ci: bump version with Build-94

- Add lastUpdatedMs timestamp to GameCacheDto to track actual game updates instead of heartbeat time. Fix cache eviction incorrectly marking correspondence games as idle.
- Use atomic SPOP in LoadBalancer.getGamesToMove() to prevent concurrent rebalance calls from selecting same games for migration.
- Add game→instance reverse mapping (nowchess:game:$gameId:instance) to eliminate O(instances) linear scan during cache eviction.
- Fix HealthMonitor pod matching from loose contains() to reliable endsWith() to prevent matching unintended pods with similar names.
- Update FailoverService to maintain game→instance mappings when migrating games during failover.
- Update CacheEvictionManager to use game→instance mapping for O(1) lookup instead of O(n) instance scan.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

.codesight/CODESIGHT.md

@@ -235,10 +235,10 @@
   - function rebalanceInterval
   - function rebalanceMinInterval
   - function heartbeatTtl
-  - _...12 more_
+  - _...14 more_
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/config/JacksonConfig.scala` — class JacksonConfig, function customize
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/config/NativeReflectionConfig.scala` — class NativeReflectionConfig
-- `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoordinatorGrpcServer.scala` — class CoordinatorGrpcServer
+- `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoordinatorGrpcServer.scala` — class CoordinatorGrpcServer, function hasActiveStream
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoreGrpcClient.scala`
   - class CoreGrpcClient
   - function shutdown
@@ -256,6 +256,7 @@
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/AutoScaler.scala`
   - class AutoScaler
   - function initMetrics
+  - function periodicScaleCheck
   - function checkAndScale
   - function scaleUp
   - function scaleDown
@@ -263,6 +264,7 @@
   - class CacheEvictionManager
   - function setRedisPrefix
   - function initializeMetrics
+  - function periodicCacheEviction
   - function evictStaleGames
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/FailoverService.scala`
   - class FailoverService
@@ -272,21 +274,23 @@
   - class HealthMonitor
   - function setRedisPrefix
   - function initializeMetrics
+  - function onStartup
+  - function periodicHealthCheck
   - function checkInstanceHealth
-  - function watchK8sPods
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/InstanceRegistry.scala`
   - class InstanceRegistry
   - function initMetrics
   - function setRedisPrefix
+  - function loadAllFromRedis
   - function getInstance
   - function getAllInstances
-  - function updateInstanceFromRedis
+  - _...4 more_
-  - _...3 more_
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/LoadBalancer.scala`
   - class LoadBalancer
   - function setRedisPrefix
   - function shouldRebalance
   - function rebalance
+  - function periodicRebalanceCheck
 - `modules/core/src/main/scala/de/nowchess/chess/adapter/RuleSetRestAdapter.scala`
   - class RuleSetRestAdapter
   - function candidateMoves

.codesight/libs.md

@@ -179,10 +179,10 @@
   - function rebalanceInterval
   - function rebalanceMinInterval
   - function heartbeatTtl
-  - _...12 more_
+  - _...14 more_
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/config/JacksonConfig.scala` — class JacksonConfig, function customize
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/config/NativeReflectionConfig.scala` — class NativeReflectionConfig
-- `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoordinatorGrpcServer.scala` — class CoordinatorGrpcServer
+- `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoordinatorGrpcServer.scala` — class CoordinatorGrpcServer, function hasActiveStream
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoreGrpcClient.scala`
   - class CoreGrpcClient
   - function shutdown
@@ -200,6 +200,7 @@
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/AutoScaler.scala`
   - class AutoScaler
   - function initMetrics
+  - function periodicScaleCheck
   - function checkAndScale
   - function scaleUp
   - function scaleDown
@@ -207,6 +208,7 @@
   - class CacheEvictionManager
   - function setRedisPrefix
   - function initializeMetrics
+  - function periodicCacheEviction
   - function evictStaleGames
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/FailoverService.scala`
   - class FailoverService
@@ -216,21 +218,23 @@
   - class HealthMonitor
   - function setRedisPrefix
   - function initializeMetrics
+  - function onStartup
+  - function periodicHealthCheck
   - function checkInstanceHealth
-  - function watchK8sPods
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/InstanceRegistry.scala`
   - class InstanceRegistry
   - function initMetrics
   - function setRedisPrefix
+  - function loadAllFromRedis
   - function getInstance
   - function getAllInstances
-  - function updateInstanceFromRedis
+  - _...4 more_
-  - _...3 more_
 - `modules/coordinator/src/main/scala/de/nowchess/coordinator/service/LoadBalancer.scala`
   - class LoadBalancer
   - function setRedisPrefix
   - function shouldRebalance
   - function rebalance
+  - function periodicRebalanceCheck
 - `modules/core/src/main/scala/de/nowchess/chess/adapter/RuleSetRestAdapter.scala`
   - class RuleSetRestAdapter
   - function candidateMoves

modules/account/CHANGELOG.md

@@ -253,3 +253,33 @@
 
 * Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
 * Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-16)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** add H2 database configuration for testing environment ([39c9e49](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/39c9e492cef2515368c074da9406f95e9c0c9e64))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+
+### Bug Fixes
+
+* **auth:** add InternalClientHeadersFactory for custom client headers management ([e279c39](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e279c39246470156bf11e745ee72204018d4229d))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))

modules/account/src/main/scala/de/nowchess/account/resource/OfficialChallengeResource.scala

@@ -79,7 +79,7 @@ class OfficialChallengeResource:
                   Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(ErrorDto(err)).build()
                 case Right(id) =>
                   try botEventPublisher.publishGameStart(bot.name, id, botColor, difficulty, bot.id.toString)
-                  catch case ex: Exception => log.warnf(ex, "Failed to notify bot for game %s", id)
+                  catch case ex: Exception => log.errorf(ex, "Failed to notify bot for game %s", id)
                   Response
                     .status(Response.Status.CREATED)
                     .entity(OfficialChallengeResponse(id, botName, difficulty))

modules/account/src/main/scala/de/nowchess/account/service/ChallengeService.scala

@@ -95,7 +95,7 @@ class ChallengeService:
       challenge.expiresAt = Instant.now().plus(24, ChronoUnit.HOURS)
       challengeRepository.persist(challenge)
       try eventPublisher.publishChallengeCreated(destUser.id.toString, challenge.id.toString, challenger.username)
-      catch case ex: Exception => log.warnf(ex, "Failed to notify dest user for challenge %s", challenge.id)
+      catch case ex: Exception => log.errorf(ex, "Failed to notify dest user for challenge %s", challenge.id)
       challenge
 
   @Transactional
@@ -116,7 +116,7 @@ class ChallengeService:
       challengeRepository.merge(challenge)
       notifyBotIfNeeded(challenge, gameId)
       try eventPublisher.publishChallengeAccepted(challenge.challenger.id.toString, challenge.id.toString, gameId)
-      catch case ex: Exception => log.warnf(ex, "Failed to notify challenger for game %s", gameId)
+      catch case ex: Exception => log.errorf(ex, "Failed to notify challenger for game %s", gameId)
       challenge
 
   @Transactional

modules/account/versions.env

@@ -1,3 +1,3 @@
 MAJOR=0
-MINOR=15
+MINOR=16
 PATCH=0

modules/coordinator/CHANGELOG.md

@@ -366,3 +366,451 @@
 * replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
 * update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
 * update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-13)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-13)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-13)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-14)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-16)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-16)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-16)
+
+### Features
+
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement clock expiry scanning and handling for game records ([#54](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/54)) ([2e4ba43](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2e4ba435978ef415b4ee2d7d2fc4af3b4e834b3d))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-16)
+
+### Features
+
+* add configurable CPU and memory scaling thresholds for auto-scaling ([a07bf89](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a07bf89fae43e3ef5fdd30aed0429742a95f8bbe))
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement clock expiry scanning and handling for game records ([#54](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/54)) ([2e4ba43](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2e4ba435978ef415b4ee2d7d2fc4af3b4e834b3d))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* improve pod instance ID matching logic in AutoScaler and HealthMonitor ([f109fe3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f109fe3860371dd0be3434b10a721936dc258b16))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-17)
+
+### Features
+
+* add configurable CPU and memory scaling thresholds for auto-scaling ([a07bf89](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a07bf89fae43e3ef5fdd30aed0429742a95f8bbe))
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement clock expiry scanning and handling for game records ([#54](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/54)) ([2e4ba43](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2e4ba435978ef415b4ee2d7d2fc4af3b4e834b3d))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* improve pod instance ID matching logic in AutoScaler and HealthMonitor ([f109fe3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f109fe3860371dd0be3434b10a721936dc258b16))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* remove unused clearDrainingByPodName method and update HealthMonitor to clear draining instances ([1a02f9e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1a02f9e18673d0038e9a307fee5ea5219dc76af8))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))
+##  (2026-05-17)
+
+### Features
+
+* add configurable CPU and memory scaling thresholds for auto-scaling ([a07bf89](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a07bf89fae43e3ef5fdd30aed0429742a95f8bbe))
+* add coordinator startup validation and K8s pod watch ([81b045d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/81b045d01bb054a4bc9dc9e02fc30f814e756205))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* add periodic health check to evict dead instances ([380a2cc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/380a2cceeb5873bf93ff17a1e87d62408ef8e178))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement clock expiry scanning and handling for game records ([#54](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/54)) ([2e4ba43](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2e4ba435978ef415b4ee2d7d2fc4af3b4e834b3d))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* scale up on high CPU load, not just subscription count ([255e2da](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/255e2da33c37e186ed14f2862f2d2e1b4adc59bf))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+
+### Bug Fixes
+
+* add instance-dead-timeout configuration and update HealthMonitor to use it for stale instance eviction ([be0b710](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/be0b710543b542da5c301efef7d2d587d0ba758a))
+* clean up code formatting and improve error handling in gRPC server and failover service ([ad9495a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ad9495afa3e93593b57154a187346c9b01393911))
+* coordinator auto-scaling, cache eviction, rebalancing, and grpc timeouts ([d0c7169](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d0c71693bb6f55fafdce5bcea0d5f38b9bb505ef))
+* **coordinator:** refine type casting in rolloutSpec method ([#45](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/45)) ([d522f7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d522f7f6edf9c985f03dd16816439d4184f1a589))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#43](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/43)) ([fa3c6b2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fa3c6b2886dc59c14c5dad834acc9b41e42023bb))
+* **coordinator:** use genericKubernetesResources API for Argo Rollout scaling ([#44](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/44)) ([82d0b75](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/82d0b754be1075084944b466858672d944f9f7d8))
+* **dependencies:** replace Fabric8 Kubernetes client with Quarkus Kubernetes client ([5f44570](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5f44570b357277d09f33b7296860c421e2e70ce0))
+* don't block event loop during scale-down drain ([1d121c7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1d121c727cbd4df477827cf64d065b7356a56e59))
+* don't trigger scale-down if already at min replicas ([4b3b5e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4b3b5e7c4ed9b3cd4fe2490e9f268f2e3a0d9e85))
+* enhance AutoScaler and InstanceRegistry for replica management and stale instance eviction ([b4920d3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b4920d3817e58bda94d7764e608b856ce9a909f7))
+* force-delete hanging pods and remove failed instances from registry ([960a419](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/960a419792e1161fb7241e465b7349efe4a10137))
+* improve pod instance ID matching logic in AutoScaler and HealthMonitor ([f109fe3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f109fe3860371dd0be3434b10a721936dc258b16))
+* linter formatting and improve code readability ([4a36096](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4a36096a5586e3f321d9c34c53e60d02bcc02c55))
+* **middleware:** update paths for bot generation and stockfish configuration ([2dd0501](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2dd0501687db08dcd242359f6837125baf8a2fdc))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* refresh Redis TTL on instance heartbeat to prevent false DEAD marking ([2d76c00](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2d76c001fe22868190a546f1794cf0ade36bb9a9))
+* remove corrupted instances immediately and evict dead instances ([43184d2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43184d296da5a6a7b760ac90c2b739220d86bce3))
+* remove redundant line break in LoadBalancer.scala for improved readability ([5205468](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/520546853447e0e0992b258c264272f8f7b8b438))
+* remove unused clearDrainingByPodName method and update HealthMonitor to clear draining instances ([1a02f9e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1a02f9e18673d0038e9a307fee5ea5219dc76af8))
+* replace null checks with Option in coordinator ([2b04d7f](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2b04d7fa713e06662bff5afe3fb3f9d04541ce51))
+* resolve 6 coordinator bugs (cache eviction, rebalance race, pod matching, lookup inefficiency) ([5619c82](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5619c8223ad7091706909eda8c907a29d215fd30))
+* scalafix violations in metrics check and health monitor ([b991878](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b99187821489b296d66da5a5a13f5d545b6045c6))
+* scale up immediately when instance is lost ([43525d4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/43525d41a3884c00f1db26bf3c8c4cd9a607c260))
+* streamline logging for evicted instances in InstanceRegistry ([10937e7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/10937e756a56e0e8fcf939decfdcaa4394506cc0))
+* update grpcServer variable to use Instance wrapper and add optional access method ([d5c8da2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d5c8da20f8805199e920ea5afbd9cdb39a078e40))
+* update HealthMonitor to evict instances without associated pods ([0f41f13](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0f41f13ce68b76846684bab67241a122250dfaf9))

modules/coordinator/build.gradle.kts

@@ -78,6 +78,7 @@ dependencies {
     implementation("com.fasterxml.jackson.module:jackson-module-scala_3:${versions["JACKSON_SCALA"]!!}")
     implementation("io.quarkus:quarkus-redis-client")
     implementation("io.quarkus:quarkus-kubernetes-client")
+    implementation("io.quarkus:quarkus-scheduler")
 
     testImplementation(platform("org.junit:junit-bom:${versions["JUNIT_BOM"]!!}"))
     testImplementation("org.junit.jupiter:junit-jupiter")

modules/coordinator/src/main/resources/application.yml

@@ -28,7 +28,7 @@ nowchess:
   internal:
     secret: ${INTERNAL_SECRET:123abc}
   coordinator:
-    max-games-per-core: 500
+    max-games-per-core: 100
     max-deviation-percent: 20
     rebalance-interval: 30s
     rebalance-min-interval: 60s
@@ -37,7 +37,7 @@ nowchess:
     stream-heartbeat-interval: PT0.2S
     cache-eviction-interval: 10m
     game-idle-threshold: 45m
-    auto-scale-enabled: false
+    auto-scale-enabled: true
     scale-up-threshold: 0.8
     scale-down-threshold: 0.3
     scale-min-replicas: 2
@@ -47,6 +47,8 @@ nowchess:
     k8s-rollout-label-selector: "app=nowchess-core"
     startup-validation-timeout: 15s
     failover-wait-timeout: 30s
+    scale-cpu-threshold-percent: 0.8
+    scale-memory-threshold-percent: 0.8
 
 ---
 # dev profile

modules/coordinator/src/main/scala/de/nowchess/coordinator/config/CoordinatorConfig.scala

@@ -62,3 +62,9 @@ trait CoordinatorConfig:
 
   @WithName("failover-wait-timeout")
   def failoverWaitTimeout: Duration
+
+  @WithName("scale-cpu-threshold-percent")
+  def scaleCpuThresholdPercent: Double
+
+  @WithName("scale-memory-threshold-percent")
+  def scaleMemoryThresholdPercent: Double

modules/coordinator/src/main/scala/de/nowchess/coordinator/grpc/CoreGrpcClient.scala

@@ -39,7 +39,7 @@ class CoreGrpcClient:
 
   def batchResubscribeGames(host: String, port: Int, gameIds: List[String]): Int =
     try
-      val stub    = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port))
+      val stub = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port)).withDeadlineAfter(5, TimeUnit.SECONDS)
       val request = BatchResubscribeRequest.newBuilder().addAllGameIds(gameIds.asJava).build()
       val count   = stub.batchResubscribeGames(request).getSubscribedCount
       log.debugf("batchResubscribeGames %s:%d — subscribed %d games", host, port, count)
@@ -52,7 +52,7 @@ class CoreGrpcClient:
 
   def unsubscribeGames(host: String, port: Int, gameIds: List[String]): Int =
     try
-      val stub    = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port))
+      val stub = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port)).withDeadlineAfter(5, TimeUnit.SECONDS)
       val request = UnsubscribeGamesRequest.newBuilder().addAllGameIds(gameIds.asJava).build()
       val count   = stub.unsubscribeGames(request).getUnsubscribedCount
       log.debugf("unsubscribeGames %s:%d — unsubscribed %d games", host, port, count)
@@ -65,7 +65,7 @@ class CoreGrpcClient:
 
   def evictGames(host: String, port: Int, gameIds: List[String]): Int =
     try
-      val stub    = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port))
+      val stub = CoordinatorServiceGrpc.newBlockingStub(getChannel(host, port)).withDeadlineAfter(5, TimeUnit.SECONDS)
       val request = EvictGamesRequest.newBuilder().addAllGameIds(gameIds.asJava).build()
       val count   = stub.evictGames(request).getEvictedCount
       log.debugf("evictGames %s:%d — evicted %d games", host, port, count)

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/AutoScaler.scala

@@ -8,9 +8,13 @@ import de.nowchess.coordinator.config.CoordinatorConfig
 import io.fabric8.kubernetes.api.model.GenericKubernetesResource
 import io.fabric8.kubernetes.client.KubernetesClient
 import io.micrometer.core.instrument.{Gauge, MeterRegistry}
+import io.quarkus.scheduler.Scheduled
 import org.jboss.logging.Logger
+import io.fabric8.kubernetes.client.KubernetesClientException
+import scala.jdk.CollectionConverters.*
 
 import java.util.concurrent.atomic.AtomicReference
+import java.util.concurrent.ConcurrentHashMap
 import scala.compiletime.uninitialized
 
 @ApplicationScoped
@@ -25,20 +29,34 @@ class AutoScaler:
   @Inject
   private var instanceRegistry: InstanceRegistry = uninitialized
 
+  @Inject
+  private var loadBalancer: LoadBalancer = uninitialized
+
+  @Inject
+  private var failoverService: FailoverService = uninitialized
+
   @Inject
   private var meterRegistry: MeterRegistry = uninitialized
   // scalafix:on DisableSyntax.var
 
-  private val log           = Logger.getLogger(classOf[AutoScaler])
+  private val log                  = Logger.getLogger(classOf[AutoScaler])
-  private val lastScaleTime = new java.util.concurrent.atomic.AtomicLong(0L)
+  private val lastScaleTime        = new java.util.concurrent.atomic.AtomicLong(0L)
-  private val avgLoadRef    = new AtomicReference[Double](0.0)
+  private val avgLoadRef           = new AtomicReference[Double](0.0)
+  private val drainingForScaleDown = ConcurrentHashMap.newKeySet[String]()
+
+  def isDrainingForScaleDown(instanceId: String): Boolean =
+    drainingForScaleDown.contains(instanceId)
+
+  def clearDraining(instanceId: String): Unit =
+    drainingForScaleDown.remove(instanceId)
 
   private def kubeClientOpt: Option[KubernetesClient] =
     if kubeClientInstance.isUnsatisfied then None
     else Some(kubeClientInstance.get())
 
-  private val argoApiVersion = "argoproj.io/v1alpha1"
+  private val argoApiVersion    = "argoproj.io/v1alpha1"
-  private val argoKind       = "Rollout"
+  private val argoKind          = "Rollout"
+  private val metricsApiVersion = "metrics.k8s.io/v1beta1"
 
   @PostConstruct
   def initMetrics(): Unit =
@@ -51,6 +69,11 @@ class AutoScaler:
     meterRegistry.counter("nowchess.coordinator.scale.failures", "direction", "down").increment(0)
     ()
 
+  @Scheduled(every = "10s")
+  def periodicScaleCheck(): Unit =
+    try checkAndScale
+    catch case ex: Exception => log.warnf(ex, "Auto-scale check failed")
+
   // scalafix:off DisableSyntax.asInstanceOf
   private def rolloutSpec(rollout: GenericKubernetesResource): Option[java.util.Map[String, AnyRef]] =
     Option(rollout.get[AnyRef]("spec")).collect { case m: java.util.Map[?, ?] =>
@@ -58,6 +81,91 @@ class AutoScaler:
     }
   // scalafix:on DisableSyntax.asInstanceOf
 
+  private def parseMillicores(s: String): Long =
+    if s.endsWith("n") then s.dropRight(1).toLongOption.map(_ / 1000000).getOrElse(0L)
+    else if s.endsWith("m") then s.dropRight(1).toLongOption.getOrElse(0L)
+    else s.toLongOption.map(_ * 1000).getOrElse(0L)
+
+  private def parseBytes(s: String): Long =
+    if s.endsWith("Ki") then s.dropRight(2).toLongOption.map(_ * 1024L).getOrElse(0L)
+    else if s.endsWith("Mi") then s.dropRight(2).toLongOption.map(_ * 1024L * 1024L).getOrElse(0L)
+    else if s.endsWith("Gi") then s.dropRight(2).toLongOption.map(_ * 1024L * 1024L * 1024L).getOrElse(0L)
+    else if s.endsWith("K") then s.dropRight(1).toLongOption.map(_ * 1000L).getOrElse(0L)
+    else if s.endsWith("M") then s.dropRight(1).toLongOption.map(_ * 1000L * 1000L).getOrElse(0L)
+    else if s.endsWith("G") then s.dropRight(1).toLongOption.map(_ * 1000L * 1000L * 1000L).getOrElse(0L)
+    else s.toLongOption.getOrElse(0L)
+
+  private def exceedsRatio(
+      used: Long,
+      request: Long,
+      threshold: Double,
+      resource: String,
+      instanceId: String,
+  ): Boolean =
+    if request <= 0 then false
+    else
+      val ratio = used.toDouble / request.toDouble
+      log.debugf(
+        "Instance %s %s: %d used / %d requested = %.0f%%",
+        instanceId,
+        resource,
+        used,
+        request,
+        ratio * 100,
+      )
+      ratio > threshold
+
+  // scalafix:off DisableSyntax.asInstanceOf
+  private def isResourceConstrained(instanceId: String): Boolean =
+    kubeClientOpt.fold(false) { kube =>
+      try
+        val pods =
+          kube.pods().inNamespace(config.k8sNamespace).withLabel(config.k8sRolloutLabelSelector).list().getItems.asScala
+        pods.find(pod => instanceId.contains(pod.getMetadata.getName)).exists { pod =>
+          try
+            val requests = Option(pod.getSpec)
+              .flatMap(s => Option(s.getContainers))
+              .flatMap(cs => if cs.isEmpty then None else Option(cs.get(0)))
+              .flatMap(c => Option(c.getResources))
+              .flatMap(r => Option(r.getRequests))
+
+            val cpuRequestMillis =
+              requests.flatMap(m => Option(m.get("cpu"))).map(q => parseMillicores(q.toString)).getOrElse(0L)
+            val memRequestBytes =
+              requests.flatMap(m => Option(m.get("memory"))).map(q => parseBytes(q.toString)).getOrElse(0L)
+
+            if cpuRequestMillis <= 0 && memRequestBytes <= 0 then
+              log.debugf("No resource requests found for instance %s, skipping resource check", instanceId)
+              false
+            else
+              val metricsRes = kube
+                .genericKubernetesResources(metricsApiVersion, "PodMetrics")
+                .inNamespace(config.k8sNamespace)
+                .withName(pod.getMetadata.getName)
+                .get()
+              val metricsMap = metricsRes.asInstanceOf[java.util.Map[String, AnyRef]]
+              val usageOpt = Option(metricsMap.get("metrics"))
+                .map(_.asInstanceOf[java.util.Map[String, AnyRef]])
+                .flatMap(m => Option(m.get("containers")).map(_.asInstanceOf[java.util.List[AnyRef]]))
+                .filter(!_.isEmpty)
+                .map(_.get(0).asInstanceOf[java.util.Map[String, AnyRef]])
+                .flatMap(c => Option(c.get("usage")).map(_.asInstanceOf[java.util.Map[String, AnyRef]]))
+
+              usageOpt.exists { usage =>
+                val cpuUsed = Option(usage.get("cpu")).map(v => parseMillicores(v.toString)).getOrElse(0L)
+                val memUsed = Option(usage.get("memory")).map(v => parseBytes(v.toString)).getOrElse(0L)
+                exceedsRatio(cpuUsed, cpuRequestMillis, config.scaleCpuThresholdPercent, "CPU", instanceId) ||
+                exceedsRatio(memUsed, memRequestBytes, config.scaleMemoryThresholdPercent, "memory", instanceId)
+              }
+          catch case _: Exception => false
+        }
+      catch
+        case ex: Exception =>
+          log.debugf(ex, "Failed to check resource metrics for %s", instanceId)
+          false
+    }
+  // scalafix:on DisableSyntax.asInstanceOf
+
   def checkAndScale: Unit =
     if config.autoScaleEnabled then
       val now  = System.currentTimeMillis()
@@ -65,94 +173,138 @@ class AutoScaler:
       if now - last >= 120000 && lastScaleTime.compareAndSet(last, now) then
         val instances = instanceRegistry.getAllInstances.filter(_.state == "HEALTHY")
         if instances.nonEmpty then
-          val avgLoad = instances.map(_.subscriptionCount).sum.toDouble / instances.size
+          val avgLoad       = instances.map(_.subscriptionCount).sum.toDouble / instances.size
+          val scaleUpLoad   = config.scaleUpThreshold * config.maxGamesPerCore
+          val scaleDownLoad = config.scaleDownThreshold * config.maxGamesPerCore
           avgLoadRef.set(avgLoad)
 
-          if avgLoad > config.scaleUpThreshold * config.maxGamesPerCore then scaleUp()
+          val constrainedInstance = instances.find(inst => isResourceConstrained(inst.instanceId))
-          else if avgLoad < config.scaleDownThreshold * config.maxGamesPerCore then scaleDown()
+          val hasHighCpuOrMemory  = constrainedInstance.isDefined
+
+          log.infof(
+            "Scale check: instances=%d avgLoad=%.1f scaleUpAt=%.1f scaleDownAt=%.1f resourceConstrained=%s",
+            instances.size,
+            avgLoad,
+            scaleUpLoad,
+            scaleDownLoad,
+            constrainedInstance.map(_.instanceId).getOrElse("none"),
+          )
+
+          if avgLoad > scaleUpLoad || hasHighCpuOrMemory then scaleUp()
+          else if avgLoad < scaleDownLoad && instances.size > config.scaleMinReplicas
+          then scaleDown()
+
+  private def patchRolloutReplicas(
+      kube: KubernetesClient,
+      direction: String,
+      delta: Int,
+      canScale: Int => Boolean,
+      atLimit: Int => Unit,
+      onSuccess: (Int, Int) => Unit,
+      maxRetries: Int = 3,
+  ): Unit =
+    def attempt(retries: Int): Unit =
+      try
+        Option(
+          kube
+            .genericKubernetesResources(argoApiVersion, argoKind)
+            .inNamespace(config.k8sNamespace)
+            .withName(config.k8sRolloutName)
+            .get(),
+        ).foreach { rollout =>
+          rolloutSpec(rollout).foreach { spec =>
+            spec.get("replicas") match
+              case current: Integer =>
+                val n = current.intValue()
+                if !canScale(n) then atLimit(n)
+                else
+                  spec.put("replicas", Integer.valueOf(n + delta))
+                  kube
+                    .genericKubernetesResources(argoApiVersion, argoKind)
+                    .inNamespace(config.k8sNamespace)
+                    .resource(rollout)
+                    .update()
+                  meterRegistry.counter("nowchess.coordinator.scale.events", "direction", direction).increment()
+                  onSuccess(n, n + delta)
+              case _ => ()
+          }
+        }
+      catch
+        case ex: KubernetesClientException if ex.getCode == 409 =>
+          if retries > 0 then
+            log.debugf("Conflict scaling %s %s, retrying (%d left)", direction, config.k8sRolloutName, retries - 1)
+            attempt(retries - 1)
+          else
+            meterRegistry.counter("nowchess.coordinator.scale.failures", "direction", direction).increment()
+            log.errorf(ex, "Failed to scale %s %s after conflict retries", direction, config.k8sRolloutName)
+        case ex: Exception =>
+          meterRegistry.counter("nowchess.coordinator.scale.failures", "direction", direction).increment()
+          log.errorf(ex, "Failed to scale %s %s", direction, config.k8sRolloutName)
+    attempt(maxRetries)
 
   def scaleUp(): Unit =
     log.info("Scaling up Argo Rollout")
     kubeClientOpt match
-      case None =>
+      case None => log.warn("Kubernetes client not available, cannot scale")
-        log.warn("Kubernetes client not available, cannot scale")
       case Some(kube) =>
-        try
+        patchRolloutReplicas(
-          Option(
+          kube,
-            kube
+          direction = "up",
-              .genericKubernetesResources(argoApiVersion, argoKind)
+          delta = 1,
-              .inNamespace(config.k8sNamespace)
+          canScale = _ < config.scaleMaxReplicas,
-              .withName(config.k8sRolloutName)
+          atLimit = n => log.infof("Already at max replicas %d for %s", n, config.k8sRolloutName),
-              .get(),
+          onSuccess = (from, to) =>
-          ).foreach { rollout =>
+            log.infof("Scaled up %s from %d to %d replicas", config.k8sRolloutName, from, to)
-            rolloutSpec(rollout).foreach { spec =>
+            loadBalancer.rebalance,
-              spec.get("replicas") match
+        )
-                case replicas: Integer =>
-                  val currentReplicas = replicas.intValue()
-                  val maxReplicas     = config.scaleMaxReplicas
-
-                  if currentReplicas < maxReplicas then
-                    spec.put("replicas", Integer.valueOf(currentReplicas + 1))
-                    kube
-                      .genericKubernetesResources(argoApiVersion, argoKind)
-                      .inNamespace(config.k8sNamespace)
-                      .resource(rollout)
-                      .update()
-                    meterRegistry.counter("nowchess.coordinator.scale.events", "direction", "up").increment()
-                    log.infof(
-                      "Scaled up %s from %d to %d replicas",
-                      config.k8sRolloutName,
-                      currentReplicas,
-                      currentReplicas + 1,
-                    )
-                  else log.infof("Already at max replicas %d for %s", maxReplicas, config.k8sRolloutName)
-                case _ => ()
-            }
-          }
-        catch
-          case ex: Exception =>
-            meterRegistry.counter("nowchess.coordinator.scale.failures", "direction", "up").increment()
-            log.warnf(ex, "Failed to scale up %s", config.k8sRolloutName)
 
   def scaleDown(): Unit =
     log.info("Scaling down Argo Rollout")
-    kubeClientOpt match
+    val underloadedInstance = instanceRegistry.getAllInstances
-      case None =>
+      .filter(_.state == "HEALTHY")
-        log.warn("Kubernetes client not available, cannot scale")
+      .minByOption(_.subscriptionCount)
-      case Some(kube) =>
-        try
-          Option(
-            kube
-              .genericKubernetesResources(argoApiVersion, argoKind)
-              .inNamespace(config.k8sNamespace)
-              .withName(config.k8sRolloutName)
-              .get(),
-          ).foreach { rollout =>
-            rolloutSpec(rollout).foreach { spec =>
-              spec.get("replicas") match
-                case replicas: Integer =>
-                  val currentReplicas = replicas.intValue()
-                  val minReplicas     = config.scaleMinReplicas
 
-                  if currentReplicas > minReplicas then
+    underloadedInstance.foreach { inst =>
-                    spec.put("replicas", Integer.valueOf(currentReplicas - 1))
+      log.infof("Marking instance %s for drain before scale-down", inst.instanceId)
-                    kube
+      drainingForScaleDown.add(inst.instanceId)
-                      .genericKubernetesResources(argoApiVersion, argoKind)
+      failoverService
-                      .inNamespace(config.k8sNamespace)
+        .onInstanceStreamDropped(inst.instanceId)
-                      .resource(rollout)
+        .subscribe()
-                      .update()
+        .`with`(
-                    meterRegistry.counter("nowchess.coordinator.scale.events", "direction", "down").increment()
+          _ => log.debugf("Instance %s drained for scale-down", inst.instanceId),
-                    log.infof(
+          ex => log.warnf(ex, "Drain failed for %s, proceeding with scale-down", inst.instanceId),
-                      "Scaled down %s from %d to %d replicas",
+        )
-                      config.k8sRolloutName,
+    }
-                      currentReplicas,
+
-                      currentReplicas - 1,
+    kubeClientOpt match
-                    )
+      case None => log.warn("Kubernetes client not available, cannot scale")
-                  else log.infof("Already at min replicas %d for %s", minReplicas, config.k8sRolloutName)
+      case Some(kube) =>
-                case _ => ()
+        patchRolloutReplicas(
-            }
+          kube,
-          }
+          direction = "down",
-        catch
+          delta = -1,
-          case ex: Exception =>
+          canScale = _ > config.scaleMinReplicas,
-            meterRegistry.counter("nowchess.coordinator.scale.failures", "direction", "down").increment()
+          atLimit = n => log.infof("Already at min replicas %d for %s", n, config.k8sRolloutName),
-            log.warnf(ex, "Failed to scale down %s", config.k8sRolloutName)
+          onSuccess = (from, to) =>
+            log.infof("Scaled down %s from %d to %d replicas", config.k8sRolloutName, from, to)
+            underloadedInstance.foreach(inst => forceDeletePod(inst.instanceId, kube)),
+        )
+
+  private def forceDeletePod(instanceId: String, kube: KubernetesClient): Unit =
+    try
+      val pods = kube
+        .pods()
+        .inNamespace(config.k8sNamespace)
+        .withLabel(config.k8sRolloutLabelSelector)
+        .list()
+        .getItems
+        .asScala
+      pods.find(pod => instanceId.contains(pod.getMetadata.getName)) match
+        case Some(pod) =>
+          kube.pods().inNamespace(config.k8sNamespace).withName(pod.getMetadata.getName).withGracePeriod(0L).delete()
+          log.infof("Force-deleted pod for drained instance %s", instanceId)
+        case None =>
+          log.debugf("No pod found for drained instance %s, skipping deletion", instanceId)
+    catch
+      case ex: Exception =>
+        log.warnf(ex, "Failed to force-delete pod for drained instance %s", instanceId)

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/CacheEvictionManager.scala

@@ -7,6 +7,7 @@ import io.quarkus.redis.datasource.RedisDataSource
 import de.nowchess.coordinator.config.CoordinatorConfig
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.micrometer.core.instrument.MeterRegistry
+import io.quarkus.scheduler.Scheduled
 import scala.jdk.CollectionConverters.*
 import org.jboss.logging.Logger
 import scala.compiletime.uninitialized
@@ -48,6 +49,11 @@ class CacheEvictionManager:
     meterRegistry.timer("nowchess.coordinator.cache.eviction.duration").record(0L, TimeUnit.MILLISECONDS)
     meterRegistry.counter("nowchess.coordinator.cache.evictions").increment(0)
 
+  @Scheduled(every = "5m")
+  def periodicCacheEviction(): Unit =
+    try evictStaleGames
+    catch case ex: Exception => log.warnf(ex, "Periodic cache eviction failed")
+
   def evictStaleGames: Unit =
     meterRegistry.timer("nowchess.coordinator.cache.eviction.duration").record((() => runEviction()): Runnable)
 
@@ -69,19 +75,20 @@ class CacheEvictionManager:
               try
                 coreGrpcClient.evictGames(instance.hostname, instance.grpcPort, List(gameId))
                 redis.key(classOf[String]).del(key)
+                redis.key(classOf[String]).del(s"$redisPrefix:game:$gameId:instance")
                 meterRegistry.counter("nowchess.coordinator.cache.evictions").increment()
                 log.infof("Evicted idle game %s from %s", gameId, instance.instanceId)
                 count + 1
               catch
                 case ex: Exception =>
-                  log.warnf(ex, "Failed to evict game %s", gameId)
+                  log.errorf(ex, "Failed to evict game %s", gameId)
                   count
             }
           else count
         }
       catch
         case ex: Exception =>
-          log.warnf(ex, "Error processing game key %s", key)
+          log.errorf(ex, "Error processing game key %s", key)
           count
     }
 
@@ -90,17 +97,18 @@ class CacheEvictionManager:
   private def extractLastUpdatedTimestamp(json: String): Long =
     Try {
       val parsed = objectMapper.readTree(json)
-      Option(parsed.get("lastHeartbeat"))
+      Option(parsed.get("lastUpdatedMs"))
-        .filter(_.isTextual)
+        .filter(_.isNumber)
-        .fold(0L)(lh => Instant.parse(lh.asText()).toEpochMilli)
+        .fold(0L)(_.asLong())
     }.getOrElse(0L)
 
   private def findInstanceWithGame(gameId: String): Option[de.nowchess.coordinator.dto.InstanceMetadata] =
     try
-      instanceRegistry.getAllInstances.find { instance =>
+      val mapKey = s"$redisPrefix:game:$gameId:instance"
-        val setKey = s"$redisPrefix:instance:${instance.instanceId}:games"
+      Option(redis.value(classOf[String]).get(mapKey))
-        redis.set(classOf[String]).sismember(setKey, gameId)
+        .flatMap { instanceId =>
-      }
+          instanceRegistry.getInstance(instanceId)
+        }
     catch
       case ex: Exception =>
         log.debugf(ex, "Failed to find instance for game %s", gameId)

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/FailoverService.scala

@@ -107,15 +107,28 @@ class FailoverService:
         try
           val subscribed = coreGrpcClient.batchResubscribeGames(target.hostname, target.grpcPort, batch)
           if subscribed > 0 then
+            updateGameInstanceMappings(batch, deadId, target.instanceId)
             log.infof("Migrated %d games from %s to %s", subscribed, deadId, target.instanceId)
             true
           else false
         catch
           case ex: Exception =>
-            log.warnf(ex, "Failed to migrate batch to %s, trying next", target.instanceId)
+            log.errorf(ex, "Failed to migrate batch to %s, trying next", target.instanceId)
             false
       if success then true else tryMigrateBatch(batch, batchIdx, instances, deadId, attempt + 1)
 
+  private def updateGameInstanceMappings(gameIds: List[String], deadId: String, targetId: String): Unit =
+    try
+      val fromKey = s"$redisPrefix:instance:$deadId:games"
+      val toKey   = s"$redisPrefix:instance:$targetId:games"
+      gameIds.foreach { gameId =>
+        redis.set(classOf[String]).sadd(toKey, gameId)
+        redis.value(classOf[String]).set(s"$redisPrefix:game:$gameId:instance", targetId)
+      }
+    catch
+      case ex: Exception =>
+        log.errorf(ex, "Failed to update game instance mappings")
+
   private def cleanupDeadInstance(instanceId: String): Unit =
     val setKey = s"$redisPrefix:instance:$instanceId:games"
     redis.key(classOf[String]).del(setKey)

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/HealthMonitor.scala

@@ -5,6 +5,7 @@ import jakarta.enterprise.context.ApplicationScoped
 import jakarta.enterprise.event.Observes
 import jakarta.enterprise.inject.Instance
 import jakarta.inject.Inject
+import io.quarkus.scheduler.Scheduled
 import de.nowchess.coordinator.config.CoordinatorConfig
 import io.fabric8.kubernetes.client.KubernetesClient
 import io.fabric8.kubernetes.api.model.Pod
@@ -44,6 +45,9 @@ class HealthMonitor:
   @Inject
   private var failoverService: FailoverService = uninitialized
 
+  @Inject
+  private var autoScaler: AutoScaler = uninitialized
+
   private val log         = Logger.getLogger(classOf[HealthMonitor])
   private var redisPrefix = "nowchess"
   // scalafix:on DisableSyntax.var
@@ -73,20 +77,32 @@ class HealthMonitor:
       Thread.ofVirtual().start(() => validateStartupInstances(timeoutMs))
     startPodWatch()
 
-  def checkInstanceHealth: Unit =
+  @Scheduled(every = "10s")
+  def periodicHealthCheck(): Unit =
+    try checkInstanceHealth()
+    catch case ex: Exception => log.warnf(ex, "Health check failed")
+
+  def checkInstanceHealth(): Unit =
     meterRegistry.counter("nowchess.coordinator.health.checks").increment()
     val evicted = instanceRegistry.evictStaleInstances(config.instanceDeadTimeout)
     if evicted.nonEmpty then
       log.warnf("Evicted %d stale instances: %s", evicted.size, evicted.mkString(", "))
       evicted.foreach(deleteK8sPod)
+      val unexpectedEvictions = evicted.filterNot(autoScaler.isDrainingForScaleDown)
+      evicted.foreach(autoScaler.clearDraining)
+      if unexpectedEvictions.nonEmpty then autoScaler.scaleUp()
     val instances = instanceRegistry.getAllInstances
-    instances.foreach { inst =>
+    val failed = instances.collect { inst =>
       val isHealthy = checkHealth(inst.instanceId)
       if !isHealthy && inst.state == "HEALTHY" then
         log.warnf("Instance %s marked unhealthy", inst.instanceId)
         instanceRegistry.markInstanceDead(inst.instanceId)
         deleteK8sPod(inst.instanceId)
-    }
+        Some(inst.instanceId)
+      else None
+    }.flatten
+    val unexpectedFailures = failed.filterNot(autoScaler.isDrainingForScaleDown)
+    if unexpectedFailures.nonEmpty then autoScaler.scaleUp()
 
   private def checkHealth(instanceId: String): Boolean =
     val redisHealthy = checkRedisHeartbeat(instanceId)
@@ -115,7 +131,7 @@ class HealthMonitor:
 
         pods.exists { pod =>
           val podName = pod.getMetadata.getName
-          podName.contains(instanceId) && isPodReady(pod)
+          podName.endsWith(instanceId) && isPodReady(pod)
         }
       catch
         case ex: Exception =>
@@ -169,17 +185,22 @@ class HealthMonitor:
             .getItems
             .asScala
 
-          pods.find(pod => pod.getMetadata.getName.contains(instanceId)) match
+          pods.find(pod => pod.getMetadata.getName.endsWith(instanceId)) match
             case Some(pod) =>
               val podName = pod.getMetadata.getName
-              kube.pods().inNamespace(config.k8sNamespace).withName(podName).delete()
+              kube.pods().inNamespace(config.k8sNamespace).withName(podName).withGracePeriod(0L).delete()
               meterRegistry.counter("nowchess.coordinator.pods.deleted").increment()
-              log.infof("Deleted pod %s for dead instance %s", podName, instanceId)
+              log.infof("Force-deleted pod %s for dead instance %s", podName, instanceId)
             case None =>
               log.debugf("No pod found for instance %s, skipping deletion", instanceId)
         catch
           case ex: Exception =>
-            log.warnf(ex, "Failed to delete pod for instance %s", instanceId)
+            log.errorf(
+              ex,
+              "Failed to delete pod for instance %s — removing from registry to prevent blocking scale-down",
+              instanceId,
+            )
+            instanceRegistry.removeInstance(instanceId)
 
   private def validateStartupInstances(timeoutMs: Long): Unit =
     Thread.sleep(timeoutMs)
@@ -209,12 +230,9 @@ class HealthMonitor:
     }
 
   private def handlePodGone(pod: Pod): Unit =
+    val podName = pod.getMetadata.getName
     findRegisteredInstance(pod).foreach { inst =>
-      log.warnf(
+      log.warnf("Pod %s deleted — triggering failover for %s", podName, inst.instanceId)
-        "Pod %s deleted — triggering failover for %s",
-        pod.getMetadata.getName,
-        inst.instanceId,
-      )
       failoverService
         .onInstanceStreamDropped(inst.instanceId)
         .subscribe()
@@ -226,4 +244,4 @@ class HealthMonitor:
 
   private def findRegisteredInstance(pod: Pod): Option[InstanceMetadata] =
     val podName = pod.getMetadata.getName
-    instanceRegistry.getAllInstances.find(inst => podName.contains(inst.instanceId))
+    instanceRegistry.getAllInstances.find(inst => podName.endsWith(inst.instanceId))

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/InstanceRegistry.scala

@@ -9,6 +9,7 @@ import scala.jdk.CollectionConverters.*
 import scala.compiletime.uninitialized
 import com.fasterxml.jackson.databind.ObjectMapper
 import de.nowchess.coordinator.dto.InstanceMetadata
+import de.nowchess.coordinator.config.CoordinatorConfig
 import java.util.concurrent.ConcurrentHashMap
 import java.time.{Duration, Instant}
 import io.micrometer.core.instrument.{Gauge, MeterRegistry}
@@ -27,6 +28,9 @@ class InstanceRegistry:
 
   @Inject
   private var meterRegistry: MeterRegistry = uninitialized
+
+  @Inject
+  private var config: CoordinatorConfig = uninitialized
   // scalafix:on DisableSyntax.var
 
   private val log       = Logger.getLogger(classOf[InstanceRegistry])
@@ -76,23 +80,38 @@ class InstanceRegistry:
       .onItem()
       .transformToUni { value =>
         try
-          val metadata = mapper.readValue(value, classOf[InstanceMetadata])
+          Option(value).fold(
-          val isNew    = !instances.containsKey(instanceId)
+            {
-          instances.put(instanceId, metadata)
+              log.debugf("Instance %s metadata missing from Redis (may have expired)", instanceId)
-          if isNew then
+              Uni.createFrom().item(())
-            meterRegistry.counter("nowchess.coordinator.instances.joined").increment()
+            },
-            log.infof("Instance %s joined registry (subscriptions=%d)", instanceId, metadata.subscriptionCount)
+          ) { json =>
-          else
+            val metadata = mapper.readValue(json, classOf[InstanceMetadata])
-            log.debugf(
+            val isNew    = !instances.containsKey(instanceId)
-              "Instance %s updated (subscriptions=%d state=%s)",
+            instances.put(instanceId, metadata)
-              instanceId,
+            if isNew then
-              metadata.subscriptionCount,
+              meterRegistry.counter("nowchess.coordinator.instances.joined").increment()
-              metadata.state,
+              log.infof("Instance %s joined registry (subscriptions=%d)", instanceId, metadata.subscriptionCount)
-            )
+            else
-          Uni.createFrom().item(())
+              log.debugf(
+                "Instance %s updated (subscriptions=%d state=%s)",
+                instanceId,
+                metadata.subscriptionCount,
+                metadata.state,
+              )
+            val ttlMs = config.heartbeatTtl.toMillis
+            redis
+              .key(classOf[String])
+              .pexpire(key, ttlMs)
+              .map(_ => ())
+              .onFailure()
+              .recoverWithItem(())
+          }
         catch
           case ex: Exception =>
-            log.warnf(ex, "Failed to parse instance metadata for %s", instanceId)
+            log.errorf(ex, "Failed to parse instance metadata for %s — removing from registry", instanceId)
+            instances.remove(instanceId)
+            meterRegistry.counter("nowchess.coordinator.instances.removed").increment()
             Uni.createFrom().item(())
       }
       .onFailure()
@@ -112,15 +131,19 @@ class InstanceRegistry:
     val stale = instances.asScala
       .collect { case (id, inst) =>
         try
-          if Instant.parse(inst.lastHeartbeat).isBefore(cutoff) then Some(id)
+          val isHeartbeatStale = Instant.parse(inst.lastHeartbeat).isBefore(cutoff)
-          else None
+          val isDead           = inst.state == "DEAD"
+          if isHeartbeatStale || isDead then Some(id) else None
         catch case _: Exception => None
       }
       .flatten
       .toList
     stale.foreach { id =>
-      instances.remove(id)
+      val inst = Option(instances.remove(id))
       meterRegistry.counter("nowchess.coordinator.instances.evicted").increment()
-      log.warnf("Evicted stale instance %s (heartbeat older than %s)", id, maxAge)
+      inst.foreach { i =>
+        if i.state == "DEAD" then log.warnf("Evicted dead instance %s", id)
+        else log.warnf("Evicted stale instance %s (heartbeat older than %s)", id, maxAge)
+      }
     }
     stale

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/LoadBalancer.scala

@@ -4,6 +4,7 @@ import jakarta.enterprise.context.ApplicationScoped
 import jakarta.inject.Inject
 import de.nowchess.coordinator.config.CoordinatorConfig
 import io.quarkus.redis.datasource.RedisDataSource
+import io.quarkus.scheduler.Scheduled
 import org.jboss.logging.Logger
 import scala.compiletime.uninitialized
 import scala.concurrent.duration.*
@@ -68,7 +69,7 @@ class LoadBalancer:
 
         val overloaded = instances
           .filter(_.subscriptionCount > config.maxGamesPerCore)
-          .sortBy[Int](_.subscriptionCount)
+          .sortBy(_.subscriptionCount)
           .reverse
         val underloaded = instances
           .filter(_.subscriptionCount < avgLoad * 0.8)
@@ -95,19 +96,21 @@ class LoadBalancer:
                 log.infof("Moved %d games from %s to %s", subscribed, over.instanceId, target.instanceId)
             catch
               case ex: Exception =>
-                log.warnf(ex, "Failed to move games from %s to %s", over.instanceId, target.instanceId)
+                log.errorf(ex, "Failed to move games from %s to %s", over.instanceId, target.instanceId)
           }
 
           val elapsed = System.currentTimeMillis() - startTime
           log.infof("Rebalance completed in %dms", elapsed)
     catch
       case ex: Exception =>
-        log.warnf(ex, "Rebalance failed")
+        log.errorf(ex, "Rebalance failed")
 
   private def getGamesToMove(instanceId: String, count: Int): List[String] =
     try
       val setKey = s"$redisPrefix:instance:$instanceId:games"
-      redis.set(classOf[String]).smembers(setKey).asScala.toList.take(count)
+      val result = scala.collection.mutable.ListBuffer[String]()
+      for _ <- 0 until count do Option(redis.set(classOf[String]).spop(setKey)).foreach(result += _)
+      result.toList
     catch
       case ex: Exception =>
         log.debugf(ex, "Failed to get games for %s", instanceId)
@@ -115,13 +118,16 @@ class LoadBalancer:
 
   private def updateRedisGameSets(fromInstanceId: String, toInstanceId: String, gameIds: List[String]): Unit =
     try
-      val fromKey = s"$redisPrefix:instance:$fromInstanceId:games"
+      val toKey = s"$redisPrefix:instance:$toInstanceId:games"
-      val toKey   = s"$redisPrefix:instance:$toInstanceId:games"
-
       gameIds.foreach { gameId =>
-        redis.set(classOf[String]).srem(fromKey, gameId)
         redis.set(classOf[String]).sadd(toKey, gameId)
+        redis.value(classOf[String]).set(s"$redisPrefix:game:$gameId:instance", toInstanceId)
       }
     catch
       case ex: Exception =>
-        log.warnf(ex, "Failed to update Redis game sets")
+        log.errorf(ex, "Failed to update Redis game sets")
+
+  @Scheduled(every = "30s")
+  def periodicRebalanceCheck(): Unit =
+    try if shouldRebalance then rebalance
+    catch case ex: Exception => log.warnf(ex, "Periodic rebalance check failed")

modules/coordinator/versions.env

@@ -1,3 +1,3 @@
 MAJOR=0
-MINOR=19
+MINOR=29
 PATCH=0

modules/core/CHANGELOG.md

@@ -1253,3 +1253,311 @@
 
 * Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
 * Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-13)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add CORS configuration and reorder JWT settings in application.yml ([a49f9be](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a49f9be146f04c14561c305d980846a92f8c12b2))
+* add GameRules stub with PositionStatus enum ([76d4168](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/76d4168038de23e5d6083d4e8f0504fbf31d15a3))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add MovedInCheck/Checkmate/Stalemate MoveResult variants (stub dispatch) ([8b7ec57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8b7ec57e5ea6ee1615a1883848a426dc07d26364))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* implement GameRules with isInCheck, legalMoves, gameStatus ([94a02ff](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/94a02ff6849436d9496c70a0f16c21666dae8e4e))
+* implement legal castling ([#1](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/1)) ([00d326c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/00d326c1ba67711fbe180f04e1100c3f01dd0254))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-10 Implement Pawn Promotion ([#12](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/12)) ([13bfc16](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/13bfc16cfe25db78ec607db523ca6d993c13430c))
+* NCS-11 50-move rule ([#9](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/9)) ([412ed98](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/412ed986a95703a3b282276540153480ceed229d))
+* NCS-13 Implement Threefold Repetition ([#31](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/31)) ([767d305](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/767d3051a76c266050b6335774d66e2db2273c16))
+* NCS-14 implemented insufficient moves rule ([#30](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/30)) ([b0399a4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b0399a4e489950083066c9538df9a84dcc7a4613))
+* NCS-16 Core Separation via Patterns ([#10](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/10)) ([1361dfc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1361dfc89553b146864fb8ff3526cf12cf3f293a))
+* NCS-17 Implement basic ScalaFX UI ([#14](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/14)) ([3ff8031](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ff80318b4f16c59733a46498581a5c27f048287))
+* NCS-21 Write Scripts to automate certain tasks ([#15](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/15)) ([8051871](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/80518719d536a087d339fe02530825dc07f8b388))
+* NCS-25 Add linters to keep quality up ([#27](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/27)) ([fd4e67d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fd4e67d4f782a7e955822d90cb909d0a81676fb2))
+* NCS-37 Quarkus integration ([#35](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/35)) ([f088c4e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f088c4e9ffcc498d3d1b6f01e8f50042d5830d55))
+* NCS-40 Rework Draw System ([#34](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/34)) ([33e785d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e785d22af87724839b62ae91dfe74a05b398c3))
+* NCS-41 Bot Platform ([#33](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/33)) ([8744bee](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8744bee2dd20966dae90a09c21a43d5b06f59e00))
+* NCS-53 changed IO to MicroService for easier scaling ([#37](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/37)) ([b5a2966](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b5a2966adafa9650f0f7d601bdeb8fdd13710327))
+* NCS-6 Implementing FEN & PGN ([#7](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/7)) ([f28e69d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f28e69dc181416aa2f221fdc4b45c2cda5efbf07))
+* NCS-78 Add Traceability to the Applications ([#48](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/48)) ([c96a09b](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c96a09bb5cee59fc23205bb63baa8b217a7e1b00))
+* NCS-9 En passant implementation ([#8](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/8)) ([919beb3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/919beb3b4bfa8caf2f90976a415fe9b19b7e9747))
+* **rule:** Rules as a microservice ([#39](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/39)) ([093134d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/093134d36c6844ba02a36a28d5d044f09291cd1d))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+* wire check/checkmate/stalemate into processMove and gameLoop ([5264a22](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5264a225418b885c5e6ea6411b96f85e38837f6c))
+
+### Bug Fixes
+
+* add missing kings to gameLoop capture test board ([aedd787](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/aedd787b77203c2af934751dba7b784eaf165032))
+* **auth:** change InternalAuthFilter to use @Singleton and add HTTP tests for secret validation ([c08d530](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c08d5303eb9e70d36c8eebf6a061ccb71e118fe5))
+* **auth:** update InternalAuthFilter to use @ApplicationScoped and add index-dependency configuration ([6e0fd95](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6e0fd9523e001756ce7109e639ebb54be4fcdabf))
+* correct test board positions and captureOutput/withInput interaction ([f0481e2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f0481e2561b779df00925b46ee281dc36a795150))
+* **heartbeat:** inject ObjectMapper into InstanceHeartbeatService ([#42](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/42)) ([0c98151](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0c981517da1f94cd10ae396e47bde2b35d0b3ba0))
+* IO microservice ([#38](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/38)) ([a386f57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a386f57c21d34ead6cc6f92836c52b714597e289))
+* Lints ([dc224ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/dc224abe26acf5361c56956006e1cc51b75b0b7e))
+* **redis:** add max pool wait time and switch to ReactiveRedisDataSource for heartbeat updates ([33e5017](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e5017f51a998327b180f778f73964cc10c05d3))
+* **redis:** enhance GameRedisSubscriberManager to use ReactiveRedisDataSource and improve subscription handling ([0eb752d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0eb752d4935377f75aab710b7f4eda4b29098e6a))
+* **redis:** prevent concurrent Redis heartbeat refreshes using AtomicBoolean ([847b132](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/847b13202cb909d18ca3304c27ebe17ce2312b8e))
+* **redis:** simplify refreshRedisHeartbeat logic and ensure proper error handling ([1813ea1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1813ea1d2d5d093f7925f87371b5e29820bf1136))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+* update documentation to reflect new functions in CoordinatorGrpcServer and InstanceRegistry ([f7ce4df](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f7ce4df595cbdc2ef84122781f4851ff140c0f44))
+* update main class path in build configuration and adjust VCS directory mapping ([7b1f8b1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/7b1f8b117623d327232a1a92a8a44d18582e0189))
+* update move validation to check for king safety ([#13](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/13)) ([e5e20c5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e5e20c566e368b12ca1dc59680c34e9112bf6762))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-13)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add CORS configuration and reorder JWT settings in application.yml ([a49f9be](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a49f9be146f04c14561c305d980846a92f8c12b2))
+* add GameRules stub with PositionStatus enum ([76d4168](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/76d4168038de23e5d6083d4e8f0504fbf31d15a3))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add MovedInCheck/Checkmate/Stalemate MoveResult variants (stub dispatch) ([8b7ec57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8b7ec57e5ea6ee1615a1883848a426dc07d26364))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* implement GameRules with isInCheck, legalMoves, gameStatus ([94a02ff](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/94a02ff6849436d9496c70a0f16c21666dae8e4e))
+* implement legal castling ([#1](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/1)) ([00d326c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/00d326c1ba67711fbe180f04e1100c3f01dd0254))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-10 Implement Pawn Promotion ([#12](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/12)) ([13bfc16](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/13bfc16cfe25db78ec607db523ca6d993c13430c))
+* NCS-11 50-move rule ([#9](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/9)) ([412ed98](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/412ed986a95703a3b282276540153480ceed229d))
+* NCS-13 Implement Threefold Repetition ([#31](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/31)) ([767d305](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/767d3051a76c266050b6335774d66e2db2273c16))
+* NCS-14 implemented insufficient moves rule ([#30](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/30)) ([b0399a4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b0399a4e489950083066c9538df9a84dcc7a4613))
+* NCS-16 Core Separation via Patterns ([#10](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/10)) ([1361dfc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1361dfc89553b146864fb8ff3526cf12cf3f293a))
+* NCS-17 Implement basic ScalaFX UI ([#14](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/14)) ([3ff8031](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ff80318b4f16c59733a46498581a5c27f048287))
+* NCS-21 Write Scripts to automate certain tasks ([#15](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/15)) ([8051871](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/80518719d536a087d339fe02530825dc07f8b388))
+* NCS-25 Add linters to keep quality up ([#27](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/27)) ([fd4e67d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fd4e67d4f782a7e955822d90cb909d0a81676fb2))
+* NCS-37 Quarkus integration ([#35](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/35)) ([f088c4e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f088c4e9ffcc498d3d1b6f01e8f50042d5830d55))
+* NCS-40 Rework Draw System ([#34](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/34)) ([33e785d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e785d22af87724839b62ae91dfe74a05b398c3))
+* NCS-41 Bot Platform ([#33](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/33)) ([8744bee](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8744bee2dd20966dae90a09c21a43d5b06f59e00))
+* NCS-53 changed IO to MicroService for easier scaling ([#37](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/37)) ([b5a2966](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b5a2966adafa9650f0f7d601bdeb8fdd13710327))
+* NCS-6 Implementing FEN & PGN ([#7](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/7)) ([f28e69d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f28e69dc181416aa2f221fdc4b45c2cda5efbf07))
+* NCS-78 Add Traceability to the Applications ([#48](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/48)) ([c96a09b](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c96a09bb5cee59fc23205bb63baa8b217a7e1b00))
+* NCS-9 En passant implementation ([#8](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/8)) ([919beb3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/919beb3b4bfa8caf2f90976a415fe9b19b7e9747))
+* **rule:** Rules as a microservice ([#39](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/39)) ([093134d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/093134d36c6844ba02a36a28d5d044f09291cd1d))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+* wire check/checkmate/stalemate into processMove and gameLoop ([5264a22](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5264a225418b885c5e6ea6411b96f85e38837f6c))
+
+### Bug Fixes
+
+* add missing kings to gameLoop capture test board ([aedd787](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/aedd787b77203c2af934751dba7b784eaf165032))
+* **auth:** change InternalAuthFilter to use @Singleton and add HTTP tests for secret validation ([c08d530](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c08d5303eb9e70d36c8eebf6a061ccb71e118fe5))
+* **auth:** update InternalAuthFilter to use @ApplicationScoped and add index-dependency configuration ([6e0fd95](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6e0fd9523e001756ce7109e639ebb54be4fcdabf))
+* correct test board positions and captureOutput/withInput interaction ([f0481e2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f0481e2561b779df00925b46ee281dc36a795150))
+* **heartbeat:** inject ObjectMapper into InstanceHeartbeatService ([#42](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/42)) ([0c98151](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0c981517da1f94cd10ae396e47bde2b35d0b3ba0))
+* IO microservice ([#38](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/38)) ([a386f57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a386f57c21d34ead6cc6f92836c52b714597e289))
+* Lints ([dc224ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/dc224abe26acf5361c56956006e1cc51b75b0b7e))
+* **redis:** add max pool wait time and switch to ReactiveRedisDataSource for heartbeat updates ([33e5017](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e5017f51a998327b180f778f73964cc10c05d3))
+* **redis:** enhance GameRedisSubscriberManager to use ReactiveRedisDataSource and improve subscription handling ([0eb752d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0eb752d4935377f75aab710b7f4eda4b29098e6a))
+* **redis:** prevent concurrent Redis heartbeat refreshes using AtomicBoolean ([847b132](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/847b13202cb909d18ca3304c27ebe17ce2312b8e))
+* **redis:** simplify refreshRedisHeartbeat logic and ensure proper error handling ([1813ea1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1813ea1d2d5d093f7925f87371b5e29820bf1136))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+* update documentation to reflect new functions in CoordinatorGrpcServer and InstanceRegistry ([f7ce4df](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f7ce4df595cbdc2ef84122781f4851ff140c0f44))
+* update main class path in build configuration and adjust VCS directory mapping ([7b1f8b1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/7b1f8b117623d327232a1a92a8a44d18582e0189))
+* update move validation to check for king safety ([#13](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/13)) ([e5e20c5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e5e20c566e368b12ca1dc59680c34e9112bf6762))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-16)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add CORS configuration and reorder JWT settings in application.yml ([a49f9be](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a49f9be146f04c14561c305d980846a92f8c12b2))
+* add GameRules stub with PositionStatus enum ([76d4168](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/76d4168038de23e5d6083d4e8f0504fbf31d15a3))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add MovedInCheck/Checkmate/Stalemate MoveResult variants (stub dispatch) ([8b7ec57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8b7ec57e5ea6ee1615a1883848a426dc07d26364))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* implement GameRules with isInCheck, legalMoves, gameStatus ([94a02ff](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/94a02ff6849436d9496c70a0f16c21666dae8e4e))
+* implement legal castling ([#1](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/1)) ([00d326c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/00d326c1ba67711fbe180f04e1100c3f01dd0254))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-10 Implement Pawn Promotion ([#12](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/12)) ([13bfc16](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/13bfc16cfe25db78ec607db523ca6d993c13430c))
+* NCS-11 50-move rule ([#9](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/9)) ([412ed98](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/412ed986a95703a3b282276540153480ceed229d))
+* NCS-13 Implement Threefold Repetition ([#31](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/31)) ([767d305](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/767d3051a76c266050b6335774d66e2db2273c16))
+* NCS-14 implemented insufficient moves rule ([#30](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/30)) ([b0399a4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b0399a4e489950083066c9538df9a84dcc7a4613))
+* NCS-16 Core Separation via Patterns ([#10](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/10)) ([1361dfc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1361dfc89553b146864fb8ff3526cf12cf3f293a))
+* NCS-17 Implement basic ScalaFX UI ([#14](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/14)) ([3ff8031](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ff80318b4f16c59733a46498581a5c27f048287))
+* NCS-21 Write Scripts to automate certain tasks ([#15](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/15)) ([8051871](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/80518719d536a087d339fe02530825dc07f8b388))
+* NCS-25 Add linters to keep quality up ([#27](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/27)) ([fd4e67d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fd4e67d4f782a7e955822d90cb909d0a81676fb2))
+* NCS-37 Quarkus integration ([#35](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/35)) ([f088c4e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f088c4e9ffcc498d3d1b6f01e8f50042d5830d55))
+* NCS-40 Rework Draw System ([#34](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/34)) ([33e785d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e785d22af87724839b62ae91dfe74a05b398c3))
+* NCS-41 Bot Platform ([#33](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/33)) ([8744bee](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8744bee2dd20966dae90a09c21a43d5b06f59e00))
+* NCS-53 changed IO to MicroService for easier scaling ([#37](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/37)) ([b5a2966](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b5a2966adafa9650f0f7d601bdeb8fdd13710327))
+* NCS-6 Implementing FEN & PGN ([#7](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/7)) ([f28e69d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f28e69dc181416aa2f221fdc4b45c2cda5efbf07))
+* NCS-78 Add Traceability to the Applications ([#48](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/48)) ([c96a09b](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c96a09bb5cee59fc23205bb63baa8b217a7e1b00))
+* NCS-9 En passant implementation ([#8](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/8)) ([919beb3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/919beb3b4bfa8caf2f90976a415fe9b19b7e9747))
+* **rule:** Rules as a microservice ([#39](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/39)) ([093134d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/093134d36c6844ba02a36a28d5d044f09291cd1d))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+* wire check/checkmate/stalemate into processMove and gameLoop ([5264a22](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5264a225418b885c5e6ea6411b96f85e38837f6c))
+
+### Bug Fixes
+
+* add missing kings to gameLoop capture test board ([aedd787](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/aedd787b77203c2af934751dba7b784eaf165032))
+* **auth:** change InternalAuthFilter to use @Singleton and add HTTP tests for secret validation ([c08d530](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c08d5303eb9e70d36c8eebf6a061ccb71e118fe5))
+* **auth:** update InternalAuthFilter to use @ApplicationScoped and add index-dependency configuration ([6e0fd95](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6e0fd9523e001756ce7109e639ebb54be4fcdabf))
+* correct test board positions and captureOutput/withInput interaction ([f0481e2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f0481e2561b779df00925b46ee281dc36a795150))
+* **heartbeat:** inject ObjectMapper into InstanceHeartbeatService ([#42](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/42)) ([0c98151](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0c981517da1f94cd10ae396e47bde2b35d0b3ba0))
+* IO microservice ([#38](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/38)) ([a386f57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a386f57c21d34ead6cc6f92836c52b714597e289))
+* Lints ([dc224ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/dc224abe26acf5361c56956006e1cc51b75b0b7e))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** add max pool wait time and switch to ReactiveRedisDataSource for heartbeat updates ([33e5017](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e5017f51a998327b180f778f73964cc10c05d3))
+* **redis:** enhance GameRedisSubscriberManager to use ReactiveRedisDataSource and improve subscription handling ([0eb752d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0eb752d4935377f75aab710b7f4eda4b29098e6a))
+* **redis:** prevent concurrent Redis heartbeat refreshes using AtomicBoolean ([847b132](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/847b13202cb909d18ca3304c27ebe17ce2312b8e))
+* **redis:** simplify refreshRedisHeartbeat logic and ensure proper error handling ([1813ea1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1813ea1d2d5d093f7925f87371b5e29820bf1136))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+* update documentation to reflect new functions in CoordinatorGrpcServer and InstanceRegistry ([f7ce4df](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f7ce4df595cbdc2ef84122781f4851ff140c0f44))
+* update main class path in build configuration and adjust VCS directory mapping ([7b1f8b1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/7b1f8b117623d327232a1a92a8a44d18582e0189))
+* update move validation to check for king safety ([#13](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/13)) ([e5e20c5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e5e20c566e368b12ca1dc59680c34e9112bf6762))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-16)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add CORS configuration and reorder JWT settings in application.yml ([a49f9be](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a49f9be146f04c14561c305d980846a92f8c12b2))
+* add GameRules stub with PositionStatus enum ([76d4168](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/76d4168038de23e5d6083d4e8f0504fbf31d15a3))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add MovedInCheck/Checkmate/Stalemate MoveResult variants (stub dispatch) ([8b7ec57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8b7ec57e5ea6ee1615a1883848a426dc07d26364))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement GameRules with isInCheck, legalMoves, gameStatus ([94a02ff](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/94a02ff6849436d9496c70a0f16c21666dae8e4e))
+* implement legal castling ([#1](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/1)) ([00d326c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/00d326c1ba67711fbe180f04e1100c3f01dd0254))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-10 Implement Pawn Promotion ([#12](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/12)) ([13bfc16](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/13bfc16cfe25db78ec607db523ca6d993c13430c))
+* NCS-11 50-move rule ([#9](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/9)) ([412ed98](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/412ed986a95703a3b282276540153480ceed229d))
+* NCS-13 Implement Threefold Repetition ([#31](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/31)) ([767d305](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/767d3051a76c266050b6335774d66e2db2273c16))
+* NCS-14 implemented insufficient moves rule ([#30](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/30)) ([b0399a4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b0399a4e489950083066c9538df9a84dcc7a4613))
+* NCS-16 Core Separation via Patterns ([#10](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/10)) ([1361dfc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1361dfc89553b146864fb8ff3526cf12cf3f293a))
+* NCS-17 Implement basic ScalaFX UI ([#14](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/14)) ([3ff8031](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ff80318b4f16c59733a46498581a5c27f048287))
+* NCS-21 Write Scripts to automate certain tasks ([#15](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/15)) ([8051871](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/80518719d536a087d339fe02530825dc07f8b388))
+* NCS-25 Add linters to keep quality up ([#27](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/27)) ([fd4e67d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fd4e67d4f782a7e955822d90cb909d0a81676fb2))
+* NCS-37 Quarkus integration ([#35](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/35)) ([f088c4e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f088c4e9ffcc498d3d1b6f01e8f50042d5830d55))
+* NCS-40 Rework Draw System ([#34](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/34)) ([33e785d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e785d22af87724839b62ae91dfe74a05b398c3))
+* NCS-41 Bot Platform ([#33](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/33)) ([8744bee](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8744bee2dd20966dae90a09c21a43d5b06f59e00))
+* NCS-53 changed IO to MicroService for easier scaling ([#37](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/37)) ([b5a2966](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b5a2966adafa9650f0f7d601bdeb8fdd13710327))
+* NCS-6 Implementing FEN & PGN ([#7](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/7)) ([f28e69d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f28e69dc181416aa2f221fdc4b45c2cda5efbf07))
+* NCS-78 Add Traceability to the Applications ([#48](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/48)) ([c96a09b](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c96a09bb5cee59fc23205bb63baa8b217a7e1b00))
+* NCS-9 En passant implementation ([#8](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/8)) ([919beb3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/919beb3b4bfa8caf2f90976a415fe9b19b7e9747))
+* **rule:** Rules as a microservice ([#39](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/39)) ([093134d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/093134d36c6844ba02a36a28d5d044f09291cd1d))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+* wire check/checkmate/stalemate into processMove and gameLoop ([5264a22](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5264a225418b885c5e6ea6411b96f85e38837f6c))
+
+### Bug Fixes
+
+* add missing kings to gameLoop capture test board ([aedd787](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/aedd787b77203c2af934751dba7b784eaf165032))
+* **auth:** change InternalAuthFilter to use @Singleton and add HTTP tests for secret validation ([c08d530](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c08d5303eb9e70d36c8eebf6a061ccb71e118fe5))
+* **auth:** update InternalAuthFilter to use @ApplicationScoped and add index-dependency configuration ([6e0fd95](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6e0fd9523e001756ce7109e639ebb54be4fcdabf))
+* correct test board positions and captureOutput/withInput interaction ([f0481e2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f0481e2561b779df00925b46ee281dc36a795150))
+* **heartbeat:** inject ObjectMapper into InstanceHeartbeatService ([#42](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/42)) ([0c98151](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0c981517da1f94cd10ae396e47bde2b35d0b3ba0))
+* IO microservice ([#38](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/38)) ([a386f57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a386f57c21d34ead6cc6f92836c52b714597e289))
+* Lints ([dc224ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/dc224abe26acf5361c56956006e1cc51b75b0b7e))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** add max pool wait time and switch to ReactiveRedisDataSource for heartbeat updates ([33e5017](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e5017f51a998327b180f778f73964cc10c05d3))
+* **redis:** enhance GameRedisSubscriberManager to use ReactiveRedisDataSource and improve subscription handling ([0eb752d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0eb752d4935377f75aab710b7f4eda4b29098e6a))
+* **redis:** prevent concurrent Redis heartbeat refreshes using AtomicBoolean ([847b132](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/847b13202cb909d18ca3304c27ebe17ce2312b8e))
+* **redis:** simplify refreshRedisHeartbeat logic and ensure proper error handling ([1813ea1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1813ea1d2d5d093f7925f87371b5e29820bf1136))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+* update documentation to reflect new functions in CoordinatorGrpcServer and InstanceRegistry ([f7ce4df](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f7ce4df595cbdc2ef84122781f4851ff140c0f44))
+* update main class path in build configuration and adjust VCS directory mapping ([7b1f8b1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/7b1f8b117623d327232a1a92a8a44d18582e0189))
+* update move validation to check for king safety ([#13](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/13)) ([e5e20c5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e5e20c566e368b12ca1dc59680c34e9112bf6762))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))
+##  (2026-05-17)
+
+### Features
+
+* add authentication permissions for metrics endpoints in application.yml ([04edd4d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/04edd4d6fd8a63196c36f6d67992832febc9bebb))
+* add CORS configuration and reorder JWT settings in application.yml ([a49f9be](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a49f9be146f04c14561c305d980846a92f8c12b2))
+* add GameRules stub with PositionStatus enum ([76d4168](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/76d4168038de23e5d6083d4e8f0504fbf31d15a3))
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add MovedInCheck/Checkmate/Stalemate MoveResult variants (stub dispatch) ([8b7ec57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8b7ec57e5ea6ee1615a1883848a426dc07d26364))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* implement GameRules with isInCheck, legalMoves, gameStatus ([94a02ff](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/94a02ff6849436d9496c70a0f16c21666dae8e4e))
+* implement legal castling ([#1](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/1)) ([00d326c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/00d326c1ba67711fbe180f04e1100c3f01dd0254))
+* implement periodic scaling checks and enhance instance management in AutoScaler ([3f12f69](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f12f695f132b92f634d98df2c037292498b6e86))
+* **logging:** add DEBUG/INFO/WARN logging across services (NCS-72) ([#41](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/41)) ([804a4bf](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/804a4bf179e3dfb19e2be4390e7e543caf5237c6))
+* NCS-10 Implement Pawn Promotion ([#12](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/12)) ([13bfc16](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/13bfc16cfe25db78ec607db523ca6d993c13430c))
+* NCS-11 50-move rule ([#9](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/9)) ([412ed98](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/412ed986a95703a3b282276540153480ceed229d))
+* NCS-13 Implement Threefold Repetition ([#31](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/31)) ([767d305](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/767d3051a76c266050b6335774d66e2db2273c16))
+* NCS-14 implemented insufficient moves rule ([#30](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/30)) ([b0399a4](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b0399a4e489950083066c9538df9a84dcc7a4613))
+* NCS-16 Core Separation via Patterns ([#10](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/10)) ([1361dfc](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1361dfc89553b146864fb8ff3526cf12cf3f293a))
+* NCS-17 Implement basic ScalaFX UI ([#14](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/14)) ([3ff8031](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ff80318b4f16c59733a46498581a5c27f048287))
+* NCS-21 Write Scripts to automate certain tasks ([#15](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/15)) ([8051871](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/80518719d536a087d339fe02530825dc07f8b388))
+* NCS-25 Add linters to keep quality up ([#27](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/27)) ([fd4e67d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/fd4e67d4f782a7e955822d90cb909d0a81676fb2))
+* NCS-37 Quarkus integration ([#35](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/35)) ([f088c4e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f088c4e9ffcc498d3d1b6f01e8f50042d5830d55))
+* NCS-40 Rework Draw System ([#34](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/34)) ([33e785d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e785d22af87724839b62ae91dfe74a05b398c3))
+* NCS-41 Bot Platform ([#33](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/33)) ([8744bee](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8744bee2dd20966dae90a09c21a43d5b06f59e00))
+* NCS-53 changed IO to MicroService for easier scaling ([#37](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/37)) ([b5a2966](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/b5a2966adafa9650f0f7d601bdeb8fdd13710327))
+* NCS-6 Implementing FEN & PGN ([#7](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/7)) ([f28e69d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f28e69dc181416aa2f221fdc4b45c2cda5efbf07))
+* NCS-78 Add Traceability to the Applications ([#48](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/48)) ([c96a09b](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c96a09bb5cee59fc23205bb63baa8b217a7e1b00))
+* NCS-9 En passant implementation ([#8](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/8)) ([919beb3](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/919beb3b4bfa8caf2f90976a415fe9b19b7e9747))
+* **rule:** Rules as a microservice ([#39](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/39)) ([093134d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/093134d36c6844ba02a36a28d5d044f09291cd1d))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+* wire check/checkmate/stalemate into processMove and gameLoop ([5264a22](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5264a225418b885c5e6ea6411b96f85e38837f6c))
+
+### Bug Fixes
+
+* add missing kings to gameLoop capture test board ([aedd787](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/aedd787b77203c2af934751dba7b784eaf165032))
+* **auth:** change InternalAuthFilter to use @Singleton and add HTTP tests for secret validation ([c08d530](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c08d5303eb9e70d36c8eebf6a061ccb71e118fe5))
+* **auth:** update InternalAuthFilter to use @ApplicationScoped and add index-dependency configuration ([6e0fd95](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6e0fd9523e001756ce7109e639ebb54be4fcdabf))
+* correct test board positions and captureOutput/withInput interaction ([f0481e2](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f0481e2561b779df00925b46ee281dc36a795150))
+* **heartbeat:** inject ObjectMapper into InstanceHeartbeatService ([#42](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/42)) ([0c98151](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0c981517da1f94cd10ae396e47bde2b35d0b3ba0))
+* IO microservice ([#38](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/38)) ([a386f57](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a386f57c21d34ead6cc6f92836c52b714597e289))
+* Lints ([dc224ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/dc224abe26acf5361c56956006e1cc51b75b0b7e))
+* NCS-84 More Verbose Logging ([#51](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/51)) ([4ad92ab](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/4ad92ab23698267f8faa59c4e18388d4a0042cca))
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** add max pool wait time and switch to ReactiveRedisDataSource for heartbeat updates ([33e5017](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/33e5017f51a998327b180f778f73964cc10c05d3))
+* **redis:** enhance GameRedisSubscriberManager to use ReactiveRedisDataSource and improve subscription handling ([0eb752d](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/0eb752d4935377f75aab710b7f4eda4b29098e6a))
+* **redis:** prevent concurrent Redis heartbeat refreshes using AtomicBoolean ([847b132](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/847b13202cb909d18ca3304c27ebe17ce2312b8e))
+* **redis:** simplify refreshRedisHeartbeat logic and ensure proper error handling ([1813ea1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/1813ea1d2d5d093f7925f87371b5e29820bf1136))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+* resolve 6 coordinator bugs (cache eviction, rebalance race, pod matching, lookup inefficiency) ([5619c82](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5619c8223ad7091706909eda8c907a29d215fd30))
+* update documentation to reflect new functions in CoordinatorGrpcServer and InstanceRegistry ([f7ce4df](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/f7ce4df595cbdc2ef84122781f4851ff140c0f44))
+* update main class path in build configuration and adjust VCS directory mapping ([7b1f8b1](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/7b1f8b117623d327232a1a92a8a44d18582e0189))
+* update move validation to check for king safety ([#13](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/13)) ([e5e20c5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/e5e20c566e368b12ca1dc59680c34e9112bf6762))
+
+### Reverts
+
+* Revert "feat: add authentication permissions for metrics endpoints in application.yml" ([a298417](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/a298417b9e4d68dc73bbf40be63d9484536e9f83))
+* Revert "refactor: update metrics paths formatting in application.yml for clarity" ([3870566](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/38705663498d5f47c40dafe2f26198589ede8656))

modules/core/src/main/scala/de/nowchess/chess/config/NativeReflectionConfig.scala

@@ -4,11 +4,13 @@ import de.nowchess.api.board.{CastlingRights, Color, File, Piece, PieceType, Ran
 import de.nowchess.api.dto.*
 import de.nowchess.api.game.{DrawReason, GameContext, GameMode, GameResult}
 import de.nowchess.api.move.{Move, MoveType, PromotionPiece}
+import de.nowchess.chess.registry.GameCacheDto
 import io.quarkus.runtime.annotations.RegisterForReflection
 
 @RegisterForReflection(
   targets = Array(
     classOf[ApiErrorDto],
+    classOf[GameCacheDto],
     classOf[ClockDto],
     classOf[CreateGameRequestDto],
     classOf[ErrorEventDto],

modules/core/src/main/scala/de/nowchess/chess/engine/GameEngine.scala

@@ -60,8 +60,8 @@ class GameEngine(
   @SuppressWarnings(Array("DisableSyntax.var"))
   private var pendingTakebackRequest: Option[Color] = initialTakebackRequest
 
+  GameEngine.activeGamesCount.incrementAndGet()
   meterRegistry.foreach { reg =>
-    GameEngine.activeGamesCount.incrementAndGet()
     reg.counter("nowchess.games.started").increment()
   }
   private def gamesCompletedCounter(result: String): Counter =

modules/core/src/main/scala/de/nowchess/chess/grpc/IoGrpcClientWrapper.scala

@@ -25,7 +25,7 @@ class IoGrpcClientWrapper:
       CombinedExportResponse(combined.getFen, combined.getPgn)
     catch
       case ex: Exception =>
-        log.warnf(ex, "IO gRPC exportCombined failed")
+        log.errorf(ex, "IO gRPC exportCombined failed")
         // scalafix:off DisableSyntax.throw
         throw ex
       // scalafix:on DisableSyntax.throw
@@ -34,7 +34,7 @@ class IoGrpcClientWrapper:
     try CoreProtoMapper.fromProtoGameContext(stub.importFen(ProtoImportFenRequest.newBuilder().setFen(fen).build()))
     catch
       case ex: Exception =>
-        log.warnf(ex, "IO gRPC importFen failed for fen %s", fen)
+        log.errorf(ex, "IO gRPC importFen failed for fen %s", fen)
         // scalafix:off DisableSyntax.throw
         throw ex
       // scalafix:on DisableSyntax.throw
@@ -43,7 +43,7 @@ class IoGrpcClientWrapper:
     try CoreProtoMapper.fromProtoGameContext(stub.importPgn(ProtoImportPgnRequest.newBuilder().setPgn(pgn).build()))
     catch
       case ex: Exception =>
-        log.warnf(ex, "IO gRPC importPgn failed")
+        log.errorf(ex, "IO gRPC importPgn failed")
         // scalafix:off DisableSyntax.throw
         throw ex
       // scalafix:on DisableSyntax.throw
@@ -52,7 +52,7 @@ class IoGrpcClientWrapper:
     try stub.exportFen(CoreProtoMapper.toProtoGameContext(ctx)).getValue
     catch
       case ex: Exception =>
-        log.warnf(ex, "IO gRPC exportFen failed")
+        log.errorf(ex, "IO gRPC exportFen failed")
         // scalafix:off DisableSyntax.throw
         throw ex
       // scalafix:on DisableSyntax.throw
@@ -61,7 +61,7 @@ class IoGrpcClientWrapper:
     try stub.exportPgn(CoreProtoMapper.toProtoGameContext(ctx)).getValue
     catch
       case ex: Exception =>
-        log.warnf(ex, "IO gRPC exportPgn failed")
+        log.errorf(ex, "IO gRPC exportPgn failed")
         // scalafix:off DisableSyntax.throw
         throw ex
       // scalafix:on DisableSyntax.throw

modules/core/src/main/scala/de/nowchess/chess/redis/GameRedisPublisher.scala

@@ -1,13 +1,12 @@
 package de.nowchess.chess.redis
 
 import com.fasterxml.jackson.databind.ObjectMapper
-import de.nowchess.api.dto.{GameStateEventDto, GameWritebackEventDto}
+import de.nowchess.api.dto.{GameStateDto, GameStateEventDto, GameWritebackEventDto}
-import de.nowchess.api.game.{CorrespondenceClockState, LiveClockState}
+import de.nowchess.api.game.{CorrespondenceClockState, DrawReason, GameResult, LiveClockState, TimeControl, WinReason}
-import de.nowchess.chess.grpc.IoGrpcClientWrapper
-import de.nowchess.api.game.{DrawReason, GameResult, WinReason}
 import de.nowchess.api.board.Color
+import de.nowchess.chess.grpc.IoGrpcClientWrapper
 import de.nowchess.chess.observer.{GameEvent, Observer}
-import de.nowchess.chess.registry.GameRegistry
+import de.nowchess.chess.registry.{GameEntry, GameRegistry}
 import de.nowchess.chess.resource.GameDtoMapper
 import io.quarkus.redis.datasource.RedisDataSource
 import org.jboss.logging.Logger
@@ -26,61 +25,69 @@ class GameRedisPublisher(
     onGameOver: String => Unit,
 ) extends Observer:
 
+  def emitInitialWriteback(): Unit =
+    try
+      registry.get(gameId).foreach { entry =>
+        val dto = GameDtoMapper.toGameStateDto(entry, ioClient)
+        writebackEmit(objectMapper.writeValueAsString(buildWriteback(entry, dto)))
+      }
+    catch case ex: Exception => GameRedisPublisher.log.warnf(ex, "Failed to emit initial writeback for game %s", gameId)
+
   def onGameEvent(event: GameEvent): Unit =
     try
       GameRedisPublisher.log.debugf("Publishing game event for game %s", gameId)
       registry.get(gameId).foreach { entry =>
-        val dto  = GameDtoMapper.toGameStateDto(entry, ioClient)
+        val dto = GameDtoMapper.toGameStateDto(entry, ioClient)
-        val json = objectMapper.writeValueAsString(GameStateEventDto(dto))
+        redis.pubsub(classOf[String]).publish(s2cTopicName, objectMapper.writeValueAsString(GameStateEventDto(dto)))
-        redis.pubsub(classOf[String]).publish(s2cTopicName, json)
+        writebackEmit(objectMapper.writeValueAsString(buildWriteback(entry, dto)))
-
-        val clock = entry.engine.currentClockState
-        val wb = GameWritebackEventDto(
-          gameId = gameId,
-          fen = dto.fen,
-          pgn = dto.pgn,
-          moveCount = entry.engine.context.moves.size,
-          whiteId = entry.white.id.value,
-          whiteName = entry.white.displayName,
-          blackId = entry.black.id.value,
-          blackName = entry.black.displayName,
-          mode = entry.mode.toString,
-          resigned = entry.resigned,
-          limitSeconds = entry.engine.timeControl match {
-            case de.nowchess.api.game.TimeControl.Clock(l, _) => Some(l); case _ => None
-          },
-          incrementSeconds = entry.engine.timeControl match {
-            case de.nowchess.api.game.TimeControl.Clock(_, i) => Some(i); case _ => None
-          },
-          daysPerMove = entry.engine.timeControl match {
-            case de.nowchess.api.game.TimeControl.Correspondence(d) => Some(d); case _ => None
-          },
-          whiteRemainingMs = clock.collect { case c: LiveClockState => c.whiteRemainingMs },
-          blackRemainingMs = clock.collect { case c: LiveClockState => c.blackRemainingMs },
-          incrementMs = clock.collect { case c: LiveClockState => c.incrementMs },
-          clockLastTickAt = clock.collect { case c: LiveClockState => c.lastTickAt.toEpochMilli },
-          clockMoveDeadline = clock.collect { case c: CorrespondenceClockState => c.moveDeadline.toEpochMilli },
-          clockActiveColor = clock.map(_.activeColor.label.toLowerCase),
-          pendingDrawOffer = entry.engine.pendingDrawOfferBy.map(_.label.toLowerCase),
-          result = entry.engine.context.result.map {
-            case GameResult.Win(Color.White, _) => "white"
-            case GameResult.Win(Color.Black, _) => "black"
-            case GameResult.Draw(_)             => "draw"
-          },
-          terminationReason = entry.engine.context.result.map {
-            case GameResult.Win(_, WinReason.Checkmate)           => "checkmate"
-            case GameResult.Win(_, WinReason.Resignation)         => "resignation"
-            case GameResult.Win(_, WinReason.TimeControl)         => "timeout"
-            case GameResult.Draw(DrawReason.Stalemate)            => "stalemate"
-            case GameResult.Draw(DrawReason.InsufficientMaterial) => "insufficient_material"
-            case GameResult.Draw(DrawReason.FiftyMoveRule)        => "fifty_move"
-            case GameResult.Draw(DrawReason.ThreefoldRepetition)  => "repetition"
-            case GameResult.Draw(DrawReason.Agreement)            => "agreement"
-          },
-          redoStack = entry.engine.redoStackMoves.map(GameDtoMapper.moveToUci),
-          pendingTakebackRequest = entry.engine.pendingTakebackRequestBy.map(_.label.toLowerCase),
-        )
-        writebackEmit(objectMapper.writeValueAsString(wb))
         if entry.engine.context.result.isDefined then onGameOver(gameId)
       }
     catch case ex: Exception => GameRedisPublisher.log.warnf(ex, "Failed to publish game event for game %s", gameId)
+
+  private def buildWriteback(entry: GameEntry, dto: GameStateDto): GameWritebackEventDto =
+    val clock = entry.engine.currentClockState
+    GameWritebackEventDto(
+      gameId = gameId,
+      fen = dto.fen,
+      pgn = dto.pgn,
+      moveCount = entry.engine.context.moves.size,
+      whiteId = entry.white.id.value,
+      whiteName = entry.white.displayName,
+      blackId = entry.black.id.value,
+      blackName = entry.black.displayName,
+      mode = entry.mode.toString,
+      resigned = entry.resigned,
+      limitSeconds = entry.engine.timeControl match {
+        case TimeControl.Clock(l, _) => Some(l); case _ => None
+      },
+      incrementSeconds = entry.engine.timeControl match {
+        case TimeControl.Clock(_, i) => Some(i); case _ => None
+      },
+      daysPerMove = entry.engine.timeControl match {
+        case TimeControl.Correspondence(d) => Some(d); case _ => None
+      },
+      whiteRemainingMs = clock.collect { case c: LiveClockState => c.whiteRemainingMs },
+      blackRemainingMs = clock.collect { case c: LiveClockState => c.blackRemainingMs },
+      incrementMs = clock.collect { case c: LiveClockState => c.incrementMs },
+      clockLastTickAt = clock.collect { case c: LiveClockState => c.lastTickAt.toEpochMilli },
+      clockMoveDeadline = clock.collect { case c: CorrespondenceClockState => c.moveDeadline.toEpochMilli },
+      clockActiveColor = clock.map(_.activeColor.label.toLowerCase),
+      pendingDrawOffer = entry.engine.pendingDrawOfferBy.map(_.label.toLowerCase),
+      result = entry.engine.context.result.map {
+        case GameResult.Win(Color.White, _) => "white"
+        case GameResult.Win(Color.Black, _) => "black"
+        case GameResult.Draw(_)             => "draw"
+      },
+      terminationReason = entry.engine.context.result.map {
+        case GameResult.Win(_, WinReason.Checkmate)           => "checkmate"
+        case GameResult.Win(_, WinReason.Resignation)         => "resignation"
+        case GameResult.Win(_, WinReason.TimeControl)         => "timeout"
+        case GameResult.Draw(DrawReason.Stalemate)            => "stalemate"
+        case GameResult.Draw(DrawReason.InsufficientMaterial) => "insufficient_material"
+        case GameResult.Draw(DrawReason.FiftyMoveRule)        => "fifty_move"
+        case GameResult.Draw(DrawReason.ThreefoldRepetition)  => "repetition"
+        case GameResult.Draw(DrawReason.Agreement)            => "agreement"
+      },
+      redoStack = entry.engine.redoStackMoves.map(GameDtoMapper.moveToUci),
+      pendingTakebackRequest = entry.engine.pendingTakebackRequestBy.map(_.label.toLowerCase),
+    )

modules/core/src/main/scala/de/nowchess/chess/redis/GameRedisSubscriberManager.scala

@@ -13,6 +13,7 @@ import de.nowchess.chess.service.InstanceHeartbeatService
 import io.quarkus.redis.datasource.ReactiveRedisDataSource
 import io.quarkus.redis.datasource.RedisDataSource
 import io.quarkus.redis.datasource.pubsub.ReactivePubSubCommands
+import jakarta.annotation.PostConstruct
 import jakarta.annotation.PreDestroy
 import jakarta.enterprise.context.ApplicationScoped
 import jakarta.enterprise.inject.Instance
@@ -45,6 +46,30 @@ class GameRedisSubscriberManager:
   private val c2sListeners = new ConcurrentHashMap[String, ReactivePubSubCommands.ReactiveRedisSubscriber]()
   private val s2cObservers = new ConcurrentHashMap[String, Observer]()
 
+  // scalafix:off DisableSyntax.var
+  private var clockExpireSubscriber: Option[ReactivePubSubCommands.ReactiveRedisSubscriber] = None
+  // scalafix:on DisableSyntax.var
+
+  private def clockExpireChannel: String = s"${redisConfig.prefix}:game:clock:expire"
+
+  @PostConstruct
+  def subscribeClockExpiry(): Unit =
+    val handler: Consumer[String] = gameId => handleClockExpiry(gameId)
+    try
+      val subscriber = reactiveRedis
+        .pubsub(classOf[String])
+        .subscribe(clockExpireChannel, handler)
+        .await()
+        .atMost(java.time.Duration.ofSeconds(5))
+      clockExpireSubscriber = Some(subscriber)
+      log.infof("Subscribed to clock expiry channel %s", clockExpireChannel)
+    catch case ex: Exception => log.warnf(ex, "Failed to subscribe to clock expiry channel")
+
+  private def handleClockExpiry(gameId: String): Unit =
+    if !s2cObservers.containsKey(gameId) then
+      log.infof("Clock expired for game %s — loading engine to enforce timeout", gameId)
+      subscribeGame(gameId)
+
   private def c2sTopic(gameId: String): String =
     s"${redisConfig.prefix}:game:$gameId:c2s"
 
@@ -65,20 +90,19 @@ class GameRedisSubscriberManager:
     )
     s2cObservers.put(gameId, obs)
     registry.get(gameId).foreach(_.engine.subscribe(obs))
+    obs.emitInitialWriteback()
     heartbeatServiceOpt.foreach(_.addGameSubscription(gameId))
 
     val handler: Consumer[String] = msg => handleC2sMessage(gameId, msg)
-    reactiveRedis
+    try
-      .pubsub(classOf[String])
+      val subscriber = reactiveRedis
-      .subscribe(c2sTopic(gameId), handler)
+        .pubsub(classOf[String])
-      .subscribe()
+        .subscribe(c2sTopic(gameId), handler)
-      .`with`(
+        .await()
-        subscriber => {
+        .atMost(java.time.Duration.ofSeconds(5))
-          c2sListeners.put(gameId, subscriber)
+      c2sListeners.put(gameId, subscriber)
-          log.debugf("Subscribed to game %s", gameId)
+      log.debugf("Subscribed to game %s", gameId)
-        },
+    catch case ex: Exception => log.warnf(ex, "Redis subscription failed for game %s", gameId)
-        failure => log.warnf(failure, "Redis subscription failed for game %s", gameId),
-      )
 
   def unsubscribeGame(gameId: String): Unit =
     Option(c2sListeners.remove(gameId)).foreach { subscriber =>
@@ -158,5 +182,6 @@ class GameRedisSubscriberManager:
 
   @PreDestroy
   def cleanup(): Unit =
+    clockExpireSubscriber.foreach(_.unsubscribe(clockExpireChannel).await().indefinitely())
     c2sListeners.forEach((gameId, subscriber) => subscriber.unsubscribe(c2sTopic(gameId)).await().indefinitely())
     s2cObservers.forEach((gameId, obs) => registry.get(gameId).foreach(_.engine.unsubscribe(obs)))

modules/core/src/main/scala/de/nowchess/chess/registry/GameCacheDto.scala

@@ -22,4 +22,5 @@ case class GameCacheDto(
     pendingDrawOffer: Option[String],
     redoStack: List[String] = Nil,
     pendingTakebackRequest: Option[String] = None,
+    lastUpdatedMs: Long = System.currentTimeMillis(),
 )

modules/core/src/main/scala/de/nowchess/chess/registry/RedisGameRegistry.scala

@@ -143,6 +143,7 @@ class RedisGameRegistry extends GameRegistry:
         clockMoveDeadline = Option(record.clockMoveDeadline).map(_.longValue),
         clockActiveColor = Option(record.clockActiveColor),
         pendingDrawOffer = Option(record.pendingDrawOffer),
+        lastUpdatedMs = System.currentTimeMillis(),
       )
       (dto, reconstruct(dto))
     } match

modules/core/src/main/scala/de/nowchess/chess/service/InstanceHeartbeatService.scala

@@ -199,7 +199,7 @@ class InstanceHeartbeatService:
         val json = mapper.writeValueAsString(metadata)
         reactiveRedis
           .value(classOf[String])
-          .setex(key, 5L, json)
+          .setex(key, 15L, json)
           .subscribe()
           .`with`(
             _ => redisHeartbeatPending.set(false),

modules/core/versions.env

@@ -1,3 +1,3 @@
 MAJOR=0
-MINOR=38
+MINOR=43
 PATCH=0

modules/store/CHANGELOG.md

@@ -209,3 +209,75 @@
 
 * **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
 * remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+##  (2026-05-16)
+
+### Features
+
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* **config:** update application.yml to nest HTTP port configuration ([3efebd5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3efebd5ed0493159c51f7246d18d59bac58cf875))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+
+### Bug Fixes
+
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+##  (2026-05-16)
+
+### Features
+
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* **config:** update application.yml to nest HTTP port configuration ([3efebd5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3efebd5ed0493159c51f7246d18d59bac58cf875))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+
+### Bug Fixes
+
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))
+##  (2026-05-17)
+
+### Features
+
+* add initialization metrics for various services ([d438e97](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d438e97f32bdde0bfc63c1b4a8cc810cdd093166))
+* add OpenTelemetry trace configuration with parentbased sampler ([3904d5a](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3904d5ad8ad4930ddee65287a7bfab785a6148f5))
+* **config:** update application.yml for PostgreSQL and remove staging/production configurations ([2404e61](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/2404e6164c3b50ffccbea5238d636060d6abe4d6))
+* **config:** update application.yml for staging and production environments ([6113432](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/6113432a14c476a3a0dfc0d449e17d023697f2ba))
+* **config:** update application.yml to nest HTTP port configuration ([3efebd5](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3efebd5ed0493159c51f7246d18d59bac58cf875))
+* configure logging and add OpenTelemetry support ([#49](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/49)) ([d57c488](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/d57c4886612d1d92da0e1b79209fc83e6ef537a1))
+* **docker:** add .dockerignore and .gitignore files for build exclusions ([c987d8e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/c987d8e258c0e6c4cfbdaa8381c64c410d7a2b83))
+* **docker:** add Dockerfiles for building Quarkus application in native and JVM modes ([3f2d2bb](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3f2d2bb4c97fa8cddba66e1da4427c54236dfeed))
+* **docker:** add Dockerfiles for Quarkus application in JVM and native modes ([34b9933](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/34b993304670cf2aa62cd2f6460cee7b9864b08e))
+* implement clock expiry scanning and handling for game records ([#53](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/53)) ([8f9eb12](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/8f9eb12f663efabe4dc72b94394438652ad0ef02))
+* NCS-78 Add Traceability to the Applications ([#46](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/46)) ([649566e](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/649566eb3fcf38f91c8896a739f74ea318af312d))
+* NCS-78 Add Traceability to the Applications ([#47](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/47)) ([87dfc6c](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/87dfc6c2bcce7f7d58fc641bd8d468a2e584c108))
+* true-microservices ([#40](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/40)) ([5909242](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/590924254e8a2754de661a57a03e43f89ceb6299))
+* update application.yml with new API root paths and add Micrometer and OpenTelemetry dependencies ([72ce262](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/72ce262bc491f94297700e6002fb5d0812e2cc2a))
+
+### Bug Fixes
+
+* ensure full hierarchy registration for reflection in NativeReflectionConfig ([ebba729](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/ebba729af3265df1619dfbe46fd1945b2a7e30b7))
+* NCS-85 Database Writeback fails without Logs ([#52](https://git.janis-eccarius.de/NowChess/NowChessSystems/issues/52)) ([7323908](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/73239088d985f01aa6b1067ed9097a845e471d4f))
+* **redis:** update Redis configuration with max pool size and waiting parameters ([5baf6a7](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/5baf6a7cdbea484fc49c02e2b5a1c3919b7fa2c4))
+* remove unused HTTP root-path configurations from application.yml ([3ed3e59](https://git.janis-eccarius.de/NowChess/NowChessSystems/commit/3ed3e59ee456d54cd3d65ece4f36623e256b9736))

modules/store/build.gradle.kts

@@ -60,6 +60,7 @@ dependencies {
     implementation("io.quarkus:quarkus-opentelemetry")
     implementation("com.fasterxml.jackson.module:jackson-module-scala_3:${versions["JACKSON_SCALA"]!!}")
     implementation("io.quarkus:quarkus-redis-client")
+    implementation("io.quarkus:quarkus-scheduler")
 
     testImplementation(platform("org.junit:junit-bom:5.13.4"))
     testImplementation("org.junit.jupiter:junit-jupiter")

modules/store/src/main/scala/de/nowchess/store/config/NativeReflectionConfig.scala

@@ -9,5 +9,6 @@ import io.quarkus.runtime.annotations.RegisterForReflection
     classOf[GameRecord],
     classOf[GameWritebackEventDto],
   ),
+  registerFullHierarchy = true,
 )
 class NativeReflectionConfig

modules/store/src/main/scala/de/nowchess/store/redis/GameWritebackStreamListener.scala

@@ -7,8 +7,9 @@ import io.quarkus.redis.datasource.RedisDataSource
 import jakarta.annotation.PostConstruct
 import jakarta.enterprise.context.ApplicationScoped
 import jakarta.inject.Inject
+import org.jboss.logging.Logger
 import scala.compiletime.uninitialized
-import scala.util.Try
+import scala.util.{Failure, Success, Try}
 import java.util.function.Consumer
 
 @ApplicationScoped
@@ -20,10 +21,18 @@ class GameWritebackStreamListener:
   @Inject var writebackService: GameWritebackService = uninitialized
   // scalafix:on
 
+  private val log = Logger.getLogger(classOf[GameWritebackStreamListener])
+
   @PostConstruct
   def startListening(): Unit =
     val handler: Consumer[String] = json =>
-      Try(objectMapper.readValue(json, classOf[GameWritebackEventDto])).toOption
+      Try(objectMapper.readValue(json, classOf[GameWritebackEventDto])) match
-        .foreach(writebackService.writeBack)
+        case Failure(ex) =>
+          log.errorf(ex, "Failed to parse game-writeback event: %s", json)
+        case Success(event) =>
+          Try(writebackService.writeBack(event)) match
+            case Failure(ex) =>
+              log.errorf(ex, "Failed to write back game event for gameId=%s", event.gameId)
+            case Success(_) => ()
     redis.pubsub(classOf[String]).subscribe("game-writeback", handler)
     ()

modules/store/src/main/scala/de/nowchess/store/repository/GameRecordRepository.scala

@@ -34,6 +34,19 @@ class GameRecordRepository:
       .asScala
       .toList
 
+  def findExpiredLiveClockGames(nowMs: Long): List[GameRecord] =
+    em.createQuery(
+      "SELECT g FROM GameRecord g WHERE g.result IS NULL AND g.clockLastTickAt IS NOT NULL AND g.whiteRemainingMs IS NOT NULL",
+      classOf[GameRecord],
+    ).getResultList
+      .asScala
+      .toList
+      .filter { g =>
+        val remaining =
+          if g.clockActiveColor == "white" then g.whiteRemainingMs.longValue else g.blackRemainingMs.longValue
+        g.clockLastTickAt.longValue + remaining < nowMs
+      }
+
   def findByPlayerIdRunning(playerId: String, offset: Int, limit: Int): List[GameRecord] =
     em.createQuery(
       "SELECT g FROM GameRecord g WHERE g.whiteId = :id OR g.blackId = :id AND g.result = null ORDER BY g.updatedAt DESC",

modules/store/src/main/scala/de/nowchess/store/service/ClockExpiryScanner.scala

@@ -0,0 +1,36 @@
+package de.nowchess.store.service
+
+import de.nowchess.store.config.RedisConfig
+import de.nowchess.store.repository.GameRecordRepository
+import io.quarkus.redis.datasource.RedisDataSource
+import io.quarkus.scheduler.Scheduled
+import jakarta.enterprise.context.ApplicationScoped
+import jakarta.inject.Inject
+import org.jboss.logging.Logger
+import scala.compiletime.uninitialized
+
+@ApplicationScoped
+class ClockExpiryScanner:
+  @Inject
+  // scalafix:off DisableSyntax.var
+  var repository: GameRecordRepository = uninitialized
+  @Inject var redis: RedisDataSource   = uninitialized
+  @Inject var redisConfig: RedisConfig = uninitialized
+  // scalafix:on
+
+  private val log = Logger.getLogger(classOf[ClockExpiryScanner])
+
+  private def clockExpireChannel: String = s"${redisConfig.prefix}:game:clock:expire"
+
+  @Scheduled(every = "30s")
+  def scan(): Unit =
+    try
+      val nowMs   = System.currentTimeMillis()
+      val expired = repository.findExpiredLiveClockGames(nowMs)
+      if expired.nonEmpty then
+        log.infof("Found %d games with expired clocks", expired.size)
+        expired.foreach { record =>
+          log.infof("Publishing clock expiry for game %s", record.gameId)
+          redis.pubsub(classOf[String]).publish(clockExpireChannel, record.gameId)
+        }
+    catch case ex: Exception => log.warnf(ex, "Clock expiry scan failed")

modules/store/src/main/scala/de/nowchess/store/service/GameWritebackService.scala

@@ -8,6 +8,7 @@ import jakarta.annotation.PostConstruct
 import jakarta.enterprise.context.ApplicationScoped
 import jakarta.inject.Inject
 import jakarta.transaction.Transactional
+import org.jboss.logging.Logger
 
 import scala.compiletime.uninitialized
 import java.time.Instant
@@ -15,6 +16,8 @@ import java.time.Instant
 @ApplicationScoped
 class GameWritebackService:
 
+  private val log = Logger.getLogger(classOf[GameWritebackService])
+
   // scalafix:off DisableSyntax.var
   @Inject
   var repository: GameRecordRepository = uninitialized
@@ -46,12 +49,15 @@ class GameWritebackService:
   private def doWriteBack(event: GameWritebackEventDto): Unit =
     repository.findByGameId(event.gameId) match
       case None =>
+        log.infof("Creating game record for gameId=%s", event.gameId)
         createRecord(event)
         gamesWrittenCounter("create").increment()
       case Some(r) if event.moveCount > r.moveCount || event.pgn != r.pgn =>
+        log.infof("Updating game record for gameId=%s moveCount=%d", event.gameId, event.moveCount)
         updateRecord(r, event)
         gamesWrittenCounter("update").increment()
       case _ =>
+        log.debugf("Skipping writeback for gameId=%s (no change)", event.gameId)
         writebackSkipped.increment()
 
   private def createRecord(event: GameWritebackEventDto): Unit =

modules/store/versions.env

@@ -1,3 +1,3 @@
 MAJOR=0
-MINOR=14
+MINOR=17
 PATCH=0