feat: Introduce Participant trait and update GameEngine to support bot participants

2026-04-13 22:11:54 +02:00
parent c88159ecec
commit d6758ed8ec
25 changed files with 2526369 additions and 1672 deletions
@@ -2,7 +2,7 @@

 > **Stack:** raw-http | none | unknown | scala

-> 0 routes | 0 models | 0 components | 57 lib files | 1 env vars | 1 middleware
+> 0 routes | 0 models | 0 components | 62 lib files | 1 env vars | 1 middleware
 > **Token savings:** this file is ~0 tokens. Without it, AI exploration would cost ~0 tokens. **Saves ~0 tokens per conversation.**

 ---
@@ -61,14 +61,22 @@
  - function error
  - function totalPages
 - `modules/bot/python/nnue.py`
-  - function get_data_dir: ()
-  - function get_tactical_data_dir: ()
  - function get_weights_dir: ()
+  - function get_data_dir: ()
  - function list_checkpoints: ()
+  - function migrate_legacy_data: ()
  - function show_header: ()
  - function show_checkpoints_table: ()
-  - _...6 more_
- `modules/bot/python/src/export.py` — function export_weights_to_binary: (weights_file, output_file)
+  - _...10 more_
+- `modules/bot/python/src/dataset.py`
+  - function get_datasets_dir: () -> Path
+  - function next_dataset_version: () -> int
+  - function list_datasets: () -> List[Tuple[int, Dict]]
+  - function load_dataset_metadata: (version) -> Optional[Dict]
+  - function save_dataset_metadata: (version, metadata) -> None
+  - function create_dataset: (version, labeled_jsonl_path, sources, stockfish_depth) -> Path
+  - _...4 more_
+- `modules/bot/python/src/export.py` — function export_to_nbai: (weights_file, output_file, trained_by, train_loss)
 - `modules/bot/python/src/generate.py` — function play_random_game_and_collect_positions: (output_file, total_positions, samples_per_game, min_move, max_move, num_workers)
 - `modules/bot/python/src/label.py` — function normalize_evaluation: (cp_value, method, scale), function label_positions_with_stockfish: (positions_file, output_file, stockfish_path, batch_size, depth, verbose, normalize, num_workers)
 - `modules/bot/python/src/tactical_positions_extractor.py`
@@ -76,6 +84,7 @@
  - function extract_puzzle_positions: (puzzle_csv, max_puzzles) -> Set[str]
  - function load_positions_from_file: (file_path) -> Set[str]
  - function merge_positions: (tactical, other, output_file)
+  - function extract_tactical_only: (puzzle_csv, output_file, max_puzzles) -> int
  - function interactive_merge_positions: (puzzle_csv, output_file, max_puzzles)
 - `modules/bot/python/src/train.py`
  - function fen_to_features: (fen)
@@ -112,9 +121,21 @@
  - function initAccumulator
  - function pushAccumulator
  - function copyAccumulator
-  - function evaluateAtPly
-  - function evaluate
-  - _...1 more_
+  - function recomputeAccumulator
+  - function validateAccumulator
+  - _...4 more_
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiLoader.scala`
+  - class NbaiLoader
+  - function load
+  - function loadDefault
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiMigrator.scala` — class NbaiMigrator, function migrateFromBin
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiModel.scala`
+  - function toJson
+  - class NbaiMetadata
+  - function fromJson
+  - function str
+  - function num
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiWriter.scala` — class NbaiWriter, function write
 - `modules/bot/src/main/scala/de/nowchess/bot/logic/AlphaBetaSearch.scala`
  - function bestMove
  - function bestMoveWithTime
@@ -52,14 +52,22 @@
  - function error
  - function totalPages
 - `modules/bot/python/nnue.py`
-  - function get_data_dir: ()
-  - function get_tactical_data_dir: ()
  - function get_weights_dir: ()
+  - function get_data_dir: ()
  - function list_checkpoints: ()
+  - function migrate_legacy_data: ()
  - function show_header: ()
  - function show_checkpoints_table: ()
-  - _...6 more_
- `modules/bot/python/src/export.py` — function export_weights_to_binary: (weights_file, output_file)
+  - _...10 more_
+- `modules/bot/python/src/dataset.py`
+  - function get_datasets_dir: () -> Path
+  - function next_dataset_version: () -> int
+  - function list_datasets: () -> List[Tuple[int, Dict]]
+  - function load_dataset_metadata: (version) -> Optional[Dict]
+  - function save_dataset_metadata: (version, metadata) -> None
+  - function create_dataset: (version, labeled_jsonl_path, sources, stockfish_depth) -> Path
+  - _...4 more_
+- `modules/bot/python/src/export.py` — function export_to_nbai: (weights_file, output_file, trained_by, train_loss)
 - `modules/bot/python/src/generate.py` — function play_random_game_and_collect_positions: (output_file, total_positions, samples_per_game, min_move, max_move, num_workers)
 - `modules/bot/python/src/label.py` — function normalize_evaluation: (cp_value, method, scale), function label_positions_with_stockfish: (positions_file, output_file, stockfish_path, batch_size, depth, verbose, normalize, num_workers)
 - `modules/bot/python/src/tactical_positions_extractor.py`
@@ -67,6 +75,7 @@
  - function extract_puzzle_positions: (puzzle_csv, max_puzzles) -> Set[str]
  - function load_positions_from_file: (file_path) -> Set[str]
  - function merge_positions: (tactical, other, output_file)
+  - function extract_tactical_only: (puzzle_csv, output_file, max_puzzles) -> int
  - function interactive_merge_positions: (puzzle_csv, output_file, max_puzzles)
 - `modules/bot/python/src/train.py`
  - function fen_to_features: (fen)
@@ -103,9 +112,21 @@
  - function initAccumulator
  - function pushAccumulator
  - function copyAccumulator
-  - function evaluateAtPly
-  - function evaluate
-  - _...1 more_
+  - function recomputeAccumulator
+  - function validateAccumulator
+  - _...4 more_
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiLoader.scala`
+  - class NbaiLoader
+  - function load
+  - function loadDefault
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiMigrator.scala` — class NbaiMigrator, function migrateFromBin
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiModel.scala`
+  - function toJson
+  - class NbaiMetadata
+  - function fromJson
+  - function str
+  - function num
+- `modules/bot/src/main/scala/de/nowchess/bot/bots/nnue/NbaiWriter.scala` — class NbaiWriter, function write
 - `modules/bot/src/main/scala/de/nowchess/bot/logic/AlphaBetaSearch.scala`
  - function bestMove
  - function bestMoveWithTime
@@ -1,11 +1,11 @@
 # Graph Report - .  (2026-04-13)

 ## Corpus Check
- 126 files · ~38,514,178 words
+- 132 files · ~24,046,508 words
 - Verdict: corpus is large enough that graph structure adds value.

 ## Summary
- 821 nodes · 1008 edges · 128 communities detected
+- 899 nodes · 1116 edges · 146 communities detected
 - Extraction: 100% EXTRACTED · 0% INFERRED · 0% AMBIGUOUS
 - Token cost: 0 input · 0 output

@@ -138,11 +138,29 @@
 - [[_COMMUNITY_Community 125|Community 125]]
 - [[_COMMUNITY_Community 126|Community 126]]
 - [[_COMMUNITY_Community 127|Community 127]]
+- [[_COMMUNITY_Community 128|Community 128]]
+- [[_COMMUNITY_Community 129|Community 129]]
+- [[_COMMUNITY_Community 130|Community 130]]
+- [[_COMMUNITY_Community 131|Community 131]]
+- [[_COMMUNITY_Community 132|Community 132]]
+- [[_COMMUNITY_Community 133|Community 133]]
+- [[_COMMUNITY_Community 134|Community 134]]
+- [[_COMMUNITY_Community 135|Community 135]]
+- [[_COMMUNITY_Community 136|Community 136]]
+- [[_COMMUNITY_Community 137|Community 137]]
+- [[_COMMUNITY_Community 138|Community 138]]
+- [[_COMMUNITY_Community 139|Community 139]]
+- [[_COMMUNITY_Community 140|Community 140]]
+- [[_COMMUNITY_Community 141|Community 141]]
+- [[_COMMUNITY_Community 142|Community 142]]
+- [[_COMMUNITY_Community 143|Community 143]]
+- [[_COMMUNITY_Community 144|Community 144]]
+- [[_COMMUNITY_Community 145|Community 145]]

 ## God Nodes (most connected - your core abstractions)
-1. `GameEngine` - 35 edges
-2. `DefaultRules` - 35 edges
-3. `NNUE` - 22 edges
+1. `DefaultRules` - 35 edges
+2. `GameEngine` - 34 edges
+3. `NNUE` - 23 edges
 4. `EvaluationClassic` - 21 edges
 5. `MoveOrdering` - 21 edges
 6. `ChessBoardView` - 19 edges
@@ -157,31 +175,31 @@
 ## Communities

 ### Community 0 - "Community 0"
-Cohesion: 0.09
-Nodes (2): GameEngine, PendingPromotion
-
-### Community 1 - "Community 1"
 Cohesion: 0.11
 Nodes (2): CastlingMove, DefaultRules

+### Community 1 - "Community 1"
+Cohesion: 0.1
+Nodes (2): GameEngine, PendingPromotion
+
 ### Community 2 - "Community 2"
 Cohesion: 0.09
 Nodes (17): ClassGap, _compact_ranges(), _find_scoverage_xml(), format_agent(), format_json(), format_markdown(), format_module_gaps(), main() (+9 more)

 ### Community 3 - "Community 3"
+Cohesion: 0.13
+Nodes (30): burst_train_interactive(), create_dataset_interactive(), datasets_menu(), delete_dataset_interactive(), export_interactive(), extend_dataset_interactive(), get_data_dir(), get_weights_dir() (+22 more)
+
+### Community 4 - "Community 4"
 Cohesion: 0.14
 Nodes (2): MoveOrdering, OrderingContext

-### Community 4 - "Community 4"
+### Community 5 - "Community 5"
 Cohesion: 0.11
 Nodes (21): Dataset, burst_train(), fen_to_features(), find_next_version(), NNUE, NNUEDataset, Find the next version number for model versioning.      Looks for nnue_weights_v, Save training metadata alongside the weights file.      Args:         weights_fi (+13 more)

-### Community 5 - "Community 5"
-Cohesion: 0.16
-Nodes (23): burst_train_interactive(), export_interactive(), extract_tactical_interactive(), get_data_dir(), get_tactical_data_dir(), get_weights_dir(), list_checkpoints(), main() (+15 more)
-
 ### Community 6 - "Community 6"
-Cohesion: 0.22
+Cohesion: 0.23
 Nodes (1): NNUE

 ### Community 7 - "Community 7"
@@ -189,432 +207,432 @@ Cohesion: 0.19
 Nodes (1): EvaluationClassic

 ### Community 8 - "Community 8"
+Cohesion: 0.15
+Nodes (20): create_dataset(), delete_dataset(), extend_dataset(), get_dataset_labeled_path(), get_datasets_dir(), list_datasets(), load_dataset_metadata(), next_dataset_version() (+12 more)
+
+### Community 9 - "Community 9"
 Cohesion: 0.14
 Nodes (9): format_module(), load_module(), main(), ModuleResult, parse_suite_xml(), run(), SuiteResult, TestCase (+1 more)

-### Community 9 - "Community 9"
+### Community 10 - "Community 10"
 Cohesion: 0.18
 Nodes (1): ChessBoardView

-### Community 10 - "Community 10"
+### Community 11 - "Community 11"
 Cohesion: 0.14
 Nodes (1): FenParserFastParse

-### Community 11 - "Community 11"
+### Community 12 - "Community 12"
 Cohesion: 0.12
 Nodes (7): InvalidFormat, InvalidMove, MoveCommand, MoveResult, QuitCommand, ResetCommand, Successful

-### Community 12 - "Community 12"
+### Community 13 - "Community 13"
 Cohesion: 0.12
 Nodes (12): BoardResetEvent, CheckDetectedEvent, CheckmateEvent, DrawClaimedEvent, FiftyMoveRuleAvailableEvent, InvalidMoveEvent, MoveExecutedEvent, MoveRedoneEvent (+4 more)

-### Community 13 - "Community 13"
+### Community 14 - "Community 14"
 Cohesion: 0.13
 Nodes (1): FenParserCombinators

-### Community 14 - "Community 14"
+### Community 15 - "Community 15"
 Cohesion: 0.26
 Nodes (2): PgnGame, PgnParser

-### Community 15 - "Community 15"
+### Community 16 - "Community 16"
 Cohesion: 0.15
 Nodes (3): candidateMoves(), GameEngineIntegrationTest, legalMoves()

-### Community 16 - "Community 16"
+### Community 17 - "Community 17"
 Cohesion: 0.14
 Nodes (3): CommandInvokerBranchTest, ConditionalFailCommand, FailingCommand

-### Community 17 - "Community 17"
+### Community 18 - "Community 18"
 Cohesion: 0.14
 Nodes (1): GameEnginePromotionTest

-### Community 18 - "Community 18"
+### Community 19 - "Community 19"
 Cohesion: 0.25
 Nodes (1): JsonExporter

-### Community 19 - "Community 19"
+### Community 20 - "Community 20"
+Cohesion: 0.21
+Nodes (12): download_and_extract_puzzle_db(), extract_puzzle_positions(), extract_tactical_only(), interactive_merge_positions(), load_positions_from_file(), merge_positions(), Load positions from a text file (one FEN per line)., Merge two position sets and write to file. (+4 more)
+
+### Community 21 - "Community 21"
 Cohesion: 0.24
 Nodes (1): AlphaBetaSearch

-### Community 20 - "Community 20"
+### Community 22 - "Community 22"
 Cohesion: 0.15
 Nodes (2): EngineTestHelpers, MockObserver

-### Community 21 - "Community 21"
+### Community 23 - "Community 23"
 Cohesion: 0.33
 Nodes (1): ZobristHash

-### Community 22 - "Community 22"
-Cohesion: 0.24
-Nodes (10): download_and_extract_puzzle_db(), extract_puzzle_positions(), interactive_merge_positions(), load_positions_from_file(), merge_positions(), Load positions from a text file (one FEN per line)., Merge two position sets and write to file., Interactive workflow: extract tactical positions and merge with user selection. (+2 more)
-
-### Community 23 - "Community 23"
+### Community 24 - "Community 24"
 Cohesion: 0.18
 Nodes (1): AlphaBetaSearchTest

-### Community 24 - "Community 24"
+### Community 25 - "Community 25"
 Cohesion: 0.18
 Nodes (1): ClassicalBotTest

-### Community 25 - "Community 25"
+### Community 26 - "Community 26"
 Cohesion: 0.33
 Nodes (2): BookEntry, PolyglotBook

-### Community 26 - "Community 26"
+### Community 27 - "Community 27"
 Cohesion: 0.22
 Nodes (1): CommandInvoker

-### Community 27 - "Community 27"
+### Community 28 - "Community 28"
 Cohesion: 0.36
 Nodes (1): FenParser

-### Community 28 - "Community 28"
+### Community 29 - "Community 29"
 Cohesion: 0.31
 Nodes (1): JsonParser

-### Community 29 - "Community 29"
+### Community 30 - "Community 30"
 Cohesion: 0.31
 Nodes (5): applyMove(), Board, removed(), updated(), withMove()

-### Community 30 - "Community 30"
+### Community 31 - "Community 31"
 Cohesion: 0.22
 Nodes (1): GameContext

-### Community 31 - "Community 31"
+### Community 32 - "Community 32"
 Cohesion: 0.25
 Nodes (6): ApiError, ApiResponse, Failure, PagedResponse, Pagination, Success

-### Community 32 - "Community 32"
+### Community 33 - "Community 33"
+Cohesion: 0.39
+Nodes (1): NbaiLoader
+
+### Community 34 - "Community 34"
 Cohesion: 0.22
 Nodes (8): JsonCapturedPieces, JsonCastlingRights, JsonGameRecord, JsonGameState, JsonMetadata, JsonMove, JsonMoveType, JsonPiece

-### Community 33 - "Community 33"
+### Community 35 - "Community 35"
+Cohesion: 0.46
+Nodes (1): NbaiWriter
+
+### Community 36 - "Community 36"
 Cohesion: 0.43
 Nodes (1): FenExporter

-### Community 34 - "Community 34"
+### Community 37 - "Community 37"
 Cohesion: 0.29
 Nodes (1): CastlingRights

-### Community 35 - "Community 35"
+### Community 38 - "Community 38"
 Cohesion: 0.33
 Nodes (6): _evaluate_fen_batch(), label_positions_with_stockfish(), normalize_evaluation(), Normalize centipawn evaluation to a bounded range.      Args:         cp_value:, Worker function to evaluate a batch of FENs with Stockfish threading.      Args:, Read positions and label them with Stockfish evaluations.      Args:         pos

-### Community 36 - "Community 36"
+### Community 39 - "Community 39"
 Cohesion: 0.29
 Nodes (1): EvaluationNNUE

-### Community 37 - "Community 37"
+### Community 40 - "Community 40"
+Cohesion: 0.29
+Nodes (4): LayerDescriptor, LayerWeights, NbaiMetadata, NbaiModel
+
+### Community 41 - "Community 41"
+Cohesion: 0.53
+Nodes (5): export_to_nbai(), _infer_layers(), Derive layer descriptors from state_dict weight shapes.      Assumes layers name, _read_sidecar(), _write_floats()
+
+### Community 42 - "Community 42"
+Cohesion: 0.53
+Nodes (1): NbaiMigrator
+
+### Community 43 - "Community 43"
 Cohesion: 0.33
 Nodes (2): TranspositionTable, TTEntry

-### Community 38 - "Community 38"
+### Community 44 - "Community 44"
 Cohesion: 0.53
 Nodes (1): PolyglotHash

-### Community 39 - "Community 39"
+### Community 45 - "Community 45"
 Cohesion: 0.4
 Nodes (2): ChessGUIApp, ChessGUILauncher

-### Community 40 - "Community 40"
+### Community 46 - "Community 46"
 Cohesion: 0.5
 Nodes (2): offset(), Square

-### Community 41 - "Community 41"
+### Community 47 - "Community 47"
 Cohesion: 0.4
 Nodes (2): PlayerId, PlayerInfo

-### Community 42 - "Community 42"
+### Community 48 - "Community 48"
 Cohesion: 0.4
 Nodes (4): play_random_game_and_collect_positions(), Generate games for one worker.      Returns:         list of FENs generated by t, Generate positions using multiprocessing with multiple workers.      Args:, _worker_generate_games()

-### Community 43 - "Community 43"
+### Community 49 - "Community 49"
 Cohesion: 0.4
 Nodes (0): 

-### Community 44 - "Community 44"
+### Community 50 - "Community 50"
 Cohesion: 0.6
 Nodes (1): NNUEBot

-### Community 45 - "Community 45"
+### Community 51 - "Community 51"
 Cohesion: 0.4
 Nodes (3): EmptyToken, FenParserSupport, PieceToken

-### Community 46 - "Community 46"
+### Community 52 - "Community 52"
 Cohesion: 0.6
 Nodes (1): PgnExporter

-### Community 47 - "Community 47"
+### Community 53 - "Community 53"
 Cohesion: 0.5
 Nodes (2): PieceSprites, SquareColors

-### Community 48 - "Community 48"
+### Community 54 - "Community 54"
 Cohesion: 0.6
 Nodes (1): TerminalUI

-### Community 49 - "Community 49"
+### Community 55 - "Community 55"
 Cohesion: 0.5
 Nodes (1): BotController

-### Community 50 - "Community 50"
+### Community 56 - "Community 56"
 Cohesion: 0.67
 Nodes (1): HybridBot

-### Community 51 - "Community 51"
+### Community 57 - "Community 57"
 Cohesion: 0.67
 Nodes (1): Parser

-### Community 52 - "Community 52"
+### Community 58 - "Community 58"
 Cohesion: 0.5
 Nodes (1): CommandInvokerTest

-### Community 53 - "Community 53"
+### Community 59 - "Community 59"
 Cohesion: 0.5
 Nodes (2): EndingMockObserver, GameEngineGameEndingTest

-### Community 54 - "Community 54"
+### Community 60 - "Community 60"
 Cohesion: 0.5
 Nodes (2): GameEngineLoadGameTest, MockObserver

-### Community 55 - "Community 55"
+### Community 61 - "Community 61"
 Cohesion: 0.5
 Nodes (1): FileSystemGameService

-### Community 56 - "Community 56"
+### Community 62 - "Community 62"
 Cohesion: 0.5
 Nodes (1): DefaultRulesStateTransitionsTest

-### Community 57 - "Community 57"
+### Community 63 - "Community 63"
 Cohesion: 0.67
 Nodes (1): GUIObserver

-### Community 58 - "Community 58"
-Cohesion: 0.67
-Nodes (0): 
-
-### Community 59 - "Community 59"
-Cohesion: 0.67
-Nodes (2): export_weights_to_binary(), Load PyTorch weights and export as binary file.
-
-### Community 60 - "Community 60"
-Cohesion: 0.67
-Nodes (1): ClassicalBot
-
-### Community 61 - "Community 61"
-Cohesion: 0.67
-Nodes (1): MoveCommandTest
-
-### Community 62 - "Community 62"
-Cohesion: 0.67
-Nodes (1): GameEngineNotationTest
-
-### Community 63 - "Community 63"
-Cohesion: 0.67
-Nodes (1): GameEngineWithBotTest
-
 ### Community 64 - "Community 64"
 Cohesion: 0.67
-Nodes (1): GameFileServiceSuite
+Nodes (0): 

 ### Community 65 - "Community 65"
 Cohesion: 0.67
-Nodes (1): FenExporterTest
+Nodes (1): ClassicalBot

 ### Community 66 - "Community 66"
 Cohesion: 0.67
-Nodes (1): PgnExporterTest
+Nodes (2): BotParticipant, Human

 ### Community 67 - "Community 67"
 Cohesion: 0.67
-Nodes (1): Main
+Nodes (1): MoveCommandTest

 ### Community 68 - "Community 68"
 Cohesion: 0.67
-Nodes (1): Renderer
+Nodes (1): GameEngineNotationTest

 ### Community 69 - "Community 69"
-Cohesion: 1.0
-Nodes (1): Piece
+Cohesion: 0.67
+Nodes (1): GameEngineWithBotTest

 ### Community 70 - "Community 70"
-Cohesion: 1.0
-Nodes (0): 
+Cohesion: 0.67
+Nodes (1): GameFileServiceSuite

 ### Community 71 - "Community 71"
-Cohesion: 1.0
-Nodes (1): Move
+Cohesion: 0.67
+Nodes (1): FenExporterTest

 ### Community 72 - "Community 72"
-Cohesion: 1.0
-Nodes (1): BoardTest
+Cohesion: 0.67
+Nodes (1): PgnExporterTest

 ### Community 73 - "Community 73"
-Cohesion: 1.0
-Nodes (1): CastlingRightsTest
+Cohesion: 0.67
+Nodes (1): Main

 ### Community 74 - "Community 74"
-Cohesion: 1.0
-Nodes (1): ColorTest
+Cohesion: 0.67
+Nodes (1): Renderer

 ### Community 75 - "Community 75"
 Cohesion: 1.0
-Nodes (1): PieceTest
+Nodes (1): Piece

 ### Community 76 - "Community 76"
 Cohesion: 1.0
-Nodes (1): PieceTypeTest
+Nodes (0): 

 ### Community 77 - "Community 77"
 Cohesion: 1.0
-Nodes (1): SquareTest
+Nodes (1): Move

 ### Community 78 - "Community 78"
 Cohesion: 1.0
-Nodes (1): GameContextTest
+Nodes (1): BoardTest

 ### Community 79 - "Community 79"
 Cohesion: 1.0
-Nodes (1): MoveTest
+Nodes (1): CastlingRightsTest

 ### Community 80 - "Community 80"
 Cohesion: 1.0
-Nodes (1): PlayerInfoTest
+Nodes (1): ColorTest

 ### Community 81 - "Community 81"
 Cohesion: 1.0
-Nodes (1): ApiResponseTest
+Nodes (1): PieceTest

 ### Community 82 - "Community 82"
 Cohesion: 1.0
-Nodes (1): Config
+Nodes (1): PieceTypeTest

 ### Community 83 - "Community 83"
 Cohesion: 1.0
-Nodes (1): BotControllerTest
+Nodes (1): SquareTest

 ### Community 84 - "Community 84"
 Cohesion: 1.0
-Nodes (1): BotDifficultyTest
+Nodes (1): GameContextTest

 ### Community 85 - "Community 85"
 Cohesion: 1.0
-Nodes (1): EvaluationTest
+Nodes (1): MoveTest

 ### Community 86 - "Community 86"
 Cohesion: 1.0
-Nodes (1): MoveOrderingTest
+Nodes (1): PlayerInfoTest

 ### Community 87 - "Community 87"
 Cohesion: 1.0
-Nodes (1): PolyglotBookTest
+Nodes (1): ApiResponseTest

 ### Community 88 - "Community 88"
 Cohesion: 1.0
-Nodes (1): PolyglotHashTest
+Nodes (1): Config

 ### Community 89 - "Community 89"
 Cohesion: 1.0
-Nodes (1): TranspositionTableTest
+Nodes (1): BotControllerTest

 ### Community 90 - "Community 90"
 Cohesion: 1.0
-Nodes (1): ZobristHashTest
+Nodes (1): BotDifficultyTest

 ### Community 91 - "Community 91"
 Cohesion: 1.0
-Nodes (1): CommandTest
+Nodes (1): EvaluationTest

 ### Community 92 - "Community 92"
 Cohesion: 1.0
-Nodes (1): ParserTest
+Nodes (1): MoveOrderingTest

 ### Community 93 - "Community 93"
 Cohesion: 1.0
-Nodes (1): GameEngineOutcomesTest
+Nodes (1): PolyglotBookTest

 ### Community 94 - "Community 94"
 Cohesion: 1.0
-Nodes (1): GameEngineScenarioTest
+Nodes (1): PolyglotHashTest

 ### Community 95 - "Community 95"
 Cohesion: 1.0
-Nodes (1): GameEngineSpecialMovesTest
+Nodes (1): TranspositionTableTest

 ### Community 96 - "Community 96"
 Cohesion: 1.0
-Nodes (1): FenParserCombinatorsTest
+Nodes (1): ZobristHashTest

 ### Community 97 - "Community 97"
 Cohesion: 1.0
-Nodes (1): FenParserFastParseTest
+Nodes (1): CommandTest

 ### Community 98 - "Community 98"
 Cohesion: 1.0
-Nodes (1): FenParserTest
+Nodes (1): ParserTest

 ### Community 99 - "Community 99"
 Cohesion: 1.0
-Nodes (1): JsonExporterBranchCoverageSuite
+Nodes (1): GameEngineOutcomesTest

 ### Community 100 - "Community 100"
 Cohesion: 1.0
-Nodes (1): JsonExporterSuite
+Nodes (1): GameEngineScenarioTest

 ### Community 101 - "Community 101"
 Cohesion: 1.0
-Nodes (1): JsonModelExtraTestSuite
+Nodes (1): GameEngineSpecialMovesTest

 ### Community 102 - "Community 102"
 Cohesion: 1.0
-Nodes (1): JsonParserEdgeCasesSuite
+Nodes (1): FenParserCombinatorsTest

 ### Community 103 - "Community 103"
 Cohesion: 1.0
-Nodes (1): JsonParserErrorHandlingSuite
+Nodes (1): FenParserFastParseTest

 ### Community 104 - "Community 104"
 Cohesion: 1.0
-Nodes (1): JsonParserMoveTypeSuite
+Nodes (1): FenParserTest

 ### Community 105 - "Community 105"
 Cohesion: 1.0
-Nodes (1): JsonParserSuite
+Nodes (1): JsonExporterBranchCoverageSuite

 ### Community 106 - "Community 106"
 Cohesion: 1.0
-Nodes (1): PgnParserTest
+Nodes (1): JsonExporterSuite

 ### Community 107 - "Community 107"
 Cohesion: 1.0
-Nodes (1): PgnValidatorTest
+Nodes (1): JsonModelExtraTestSuite

 ### Community 108 - "Community 108"
 Cohesion: 1.0
-Nodes (1): DefaultRulesTest
+Nodes (1): JsonParserEdgeCasesSuite

 ### Community 109 - "Community 109"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): JsonParserErrorHandlingSuite

 ### Community 110 - "Community 110"
 Cohesion: 1.0
-Nodes (1): RendererAndUnicodeTest
+Nodes (1): JsonParserMoveTypeSuite

 ### Community 111 - "Community 111"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): JsonParserSuite

 ### Community 112 - "Community 112"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): PgnParserTest

 ### Community 113 - "Community 113"
 Cohesion: 1.0
-Nodes (1): Strip the package prefix from the full method path.
+Nodes (1): PgnValidatorTest

 ### Community 114 - "Community 114"
 Cohesion: 1.0
-Nodes (1): Lines that are branch points and have at least one uncovered branch statement.
+Nodes (1): DefaultRulesTest

 ### Community 115 - "Community 115"
 Cohesion: 1.0
@@ -622,7 +640,7 @@ Nodes (0):

 ### Community 116 - "Community 116"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): RendererAndUnicodeTest

 ### Community 117 - "Community 117"
 Cohesion: 1.0
@@ -634,11 +652,11 @@ Nodes (0):

 ### Community 119 - "Community 119"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): Strip the package prefix from the full method path.

 ### Community 120 - "Community 120"
 Cohesion: 1.0
-Nodes (0): 
+Nodes (1): Lines that are branch points and have at least one uncovered branch statement.

 ### Community 121 - "Community 121"
 Cohesion: 1.0
@@ -668,142 +686,238 @@ Nodes (0):
 Cohesion: 1.0
 Nodes (0): 

+### Community 128 - "Community 128"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 129 - "Community 129"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 130 - "Community 130"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 131 - "Community 131"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 132 - "Community 132"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 133 - "Community 133"
+Cohesion: 1.0
+Nodes (0): 
+
+### Community 134 - "Community 134"
+Cohesion: 1.0
+Nodes (1): Get/create data directory.
+
+### Community 135 - "Community 135"
+Cohesion: 1.0
+Nodes (1): Get/create data directory.
+
+### Community 136 - "Community 136"
+Cohesion: 1.0
+Nodes (1): Get/create weights directory.
+
+### Community 137 - "Community 137"
+Cohesion: 1.0
+Nodes (1): List available checkpoint versions.
+
+### Community 138 - "Community 138"
+Cohesion: 1.0
+Nodes (1): Display application header.
+
+### Community 139 - "Community 139"
+Cohesion: 1.0
+Nodes (1): Display available checkpoints in a table.
+
+### Community 140 - "Community 140"
+Cohesion: 1.0
+Nodes (1): Display and handle main menu.
+
+### Community 141 - "Community 141"
+Cohesion: 1.0
+Nodes (1): Interactive training menu.
+
+### Community 142 - "Community 142"
+Cohesion: 1.0
+Nodes (1): Interactive burst training menu.
+
+### Community 143 - "Community 143"
+Cohesion: 1.0
+Nodes (1): Interactive export menu.
+
+### Community 144 - "Community 144"
+Cohesion: 1.0
+Nodes (1): Interactive tactical positions extraction and merge menu.
+
+### Community 145 - "Community 145"
+Cohesion: 1.0
+Nodes (1): Load PyTorch weights and export as binary file.
+
 ## Knowledge Gaps
- **116 isolated node(s):** `Strip the package prefix from the full method path.`, `Lines that are branch points and have at least one uncovered branch statement.`, `[1,2,3,5,7,8,9] → '1-3, 5, 7-9`, `Compact agent format — optimised for low token count.     Emits only actionable`, `Return the first scoverage.xml found inside *module_dir*, or None.` (+111 more)
+- **147 isolated node(s):** `Strip the package prefix from the full method path.`, `Lines that are branch points and have at least one uncovered branch statement.`, `[1,2,3,5,7,8,9] → '1-3, 5, 7-9`, `Compact agent format — optimised for low token count.     Emits only actionable`, `Return the first scoverage.xml found inside *module_dir*, or None.` (+142 more)
  These have ≤1 connection - possible missing edges or undocumented components.
- **Thin community `Community 69`** (2 nodes): `Piece.scala`, `Piece`
+- **Thin community `Community 75`** (2 nodes): `Piece.scala`, `Piece`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 70`** (2 nodes): `PieceType.scala`, `label()`
+- **Thin community `Community 76`** (2 nodes): `PieceType.scala`, `label()`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 71`** (2 nodes): `Move.scala`, `Move`
+- **Thin community `Community 77`** (2 nodes): `Move.scala`, `Move`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 72`** (2 nodes): `BoardTest`, `BoardTest.scala`
+- **Thin community `Community 78`** (2 nodes): `BoardTest`, `BoardTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 73`** (2 nodes): `CastlingRightsTest`, `CastlingRightsTest.scala`
+- **Thin community `Community 79`** (2 nodes): `CastlingRightsTest`, `CastlingRightsTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 74`** (2 nodes): `ColorTest`, `ColorTest.scala`
+- **Thin community `Community 80`** (2 nodes): `ColorTest`, `ColorTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 75`** (2 nodes): `PieceTest.scala`, `PieceTest`
+- **Thin community `Community 81`** (2 nodes): `PieceTest.scala`, `PieceTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 76`** (2 nodes): `PieceTypeTest.scala`, `PieceTypeTest`
+- **Thin community `Community 82`** (2 nodes): `PieceTypeTest.scala`, `PieceTypeTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 77`** (2 nodes): `SquareTest.scala`, `SquareTest`
+- **Thin community `Community 83`** (2 nodes): `SquareTest.scala`, `SquareTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 78`** (2 nodes): `GameContextTest`, `GameContextTest.scala`
+- **Thin community `Community 84`** (2 nodes): `GameContextTest`, `GameContextTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 79`** (2 nodes): `MoveTest.scala`, `MoveTest`
+- **Thin community `Community 85`** (2 nodes): `MoveTest.scala`, `MoveTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 80`** (2 nodes): `PlayerInfoTest.scala`, `PlayerInfoTest`
+- **Thin community `Community 86`** (2 nodes): `PlayerInfoTest.scala`, `PlayerInfoTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 81`** (2 nodes): `ApiResponseTest`, `ApiResponseTest.scala`
+- **Thin community `Community 87`** (2 nodes): `ApiResponseTest`, `ApiResponseTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 82`** (2 nodes): `Config`, `Config.scala`
+- **Thin community `Community 88`** (2 nodes): `Config`, `Config.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 83`** (2 nodes): `BotControllerTest`, `BotControllerTest.scala`
+- **Thin community `Community 89`** (2 nodes): `BotControllerTest`, `BotControllerTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 84`** (2 nodes): `BotDifficultyTest`, `BotDifficultyTest.scala`
+- **Thin community `Community 90`** (2 nodes): `BotDifficultyTest`, `BotDifficultyTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 85`** (2 nodes): `EvaluationTest`, `EvaluationTest.scala`
+- **Thin community `Community 91`** (2 nodes): `EvaluationTest`, `EvaluationTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 86`** (2 nodes): `MoveOrderingTest.scala`, `MoveOrderingTest`
+- **Thin community `Community 92`** (2 nodes): `MoveOrderingTest.scala`, `MoveOrderingTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 87`** (2 nodes): `PolyglotBookTest.scala`, `PolyglotBookTest`
+- **Thin community `Community 93`** (2 nodes): `PolyglotBookTest.scala`, `PolyglotBookTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 88`** (2 nodes): `PolyglotHashTest.scala`, `PolyglotHashTest`
+- **Thin community `Community 94`** (2 nodes): `PolyglotHashTest.scala`, `PolyglotHashTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 89`** (2 nodes): `TranspositionTableTest.scala`, `TranspositionTableTest`
+- **Thin community `Community 95`** (2 nodes): `TranspositionTableTest.scala`, `TranspositionTableTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 90`** (2 nodes): `ZobristHashTest.scala`, `ZobristHashTest`
+- **Thin community `Community 96`** (2 nodes): `ZobristHashTest.scala`, `ZobristHashTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 91`** (2 nodes): `CommandTest`, `CommandTest.scala`
+- **Thin community `Community 97`** (2 nodes): `CommandTest`, `CommandTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 92`** (2 nodes): `ParserTest.scala`, `ParserTest`
+- **Thin community `Community 98`** (2 nodes): `ParserTest.scala`, `ParserTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 93`** (2 nodes): `GameEngineOutcomesTest`, `GameEngineOutcomesTest.scala`
+- **Thin community `Community 99`** (2 nodes): `GameEngineOutcomesTest`, `GameEngineOutcomesTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 94`** (2 nodes): `GameEngineScenarioTest`, `GameEngineScenarioTest.scala`
+- **Thin community `Community 100`** (2 nodes): `GameEngineScenarioTest`, `GameEngineScenarioTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 95`** (2 nodes): `GameEngineSpecialMovesTest`, `GameEngineSpecialMovesTest.scala`
+- **Thin community `Community 101`** (2 nodes): `GameEngineSpecialMovesTest`, `GameEngineSpecialMovesTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 96`** (2 nodes): `FenParserCombinatorsTest`, `FenParserCombinatorsTest.scala`
+- **Thin community `Community 102`** (2 nodes): `FenParserCombinatorsTest`, `FenParserCombinatorsTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 97`** (2 nodes): `FenParserFastParseTest`, `FenParserFastParseTest.scala`
+- **Thin community `Community 103`** (2 nodes): `FenParserFastParseTest`, `FenParserFastParseTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 98`** (2 nodes): `FenParserTest`, `FenParserTest.scala`
+- **Thin community `Community 104`** (2 nodes): `FenParserTest`, `FenParserTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 99`** (2 nodes): `JsonExporterBranchCoverageSuite`, `JsonExporterBranchCoverageSuite.scala`
+- **Thin community `Community 105`** (2 nodes): `JsonExporterBranchCoverageSuite`, `JsonExporterBranchCoverageSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 100`** (2 nodes): `JsonExporterSuite`, `JsonExporterSuite.scala`
+- **Thin community `Community 106`** (2 nodes): `JsonExporterSuite`, `JsonExporterSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 101`** (2 nodes): `JsonModelExtraTestSuite`, `JsonModelExtraTestSuite.scala`
+- **Thin community `Community 107`** (2 nodes): `JsonModelExtraTestSuite`, `JsonModelExtraTestSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 102`** (2 nodes): `JsonParserEdgeCasesSuite`, `JsonParserEdgeCasesSuite.scala`
+- **Thin community `Community 108`** (2 nodes): `JsonParserEdgeCasesSuite`, `JsonParserEdgeCasesSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 103`** (2 nodes): `JsonParserErrorHandlingSuite`, `JsonParserErrorHandlingSuite.scala`
+- **Thin community `Community 109`** (2 nodes): `JsonParserErrorHandlingSuite`, `JsonParserErrorHandlingSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 104`** (2 nodes): `JsonParserMoveTypeSuite`, `JsonParserMoveTypeSuite.scala`
+- **Thin community `Community 110`** (2 nodes): `JsonParserMoveTypeSuite`, `JsonParserMoveTypeSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 105`** (2 nodes): `JsonParserSuite`, `JsonParserSuite.scala`
+- **Thin community `Community 111`** (2 nodes): `JsonParserSuite`, `JsonParserSuite.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 106`** (2 nodes): `PgnParserTest.scala`, `PgnParserTest`
+- **Thin community `Community 112`** (2 nodes): `PgnParserTest.scala`, `PgnParserTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 107`** (2 nodes): `PgnValidatorTest.scala`, `PgnValidatorTest`
+- **Thin community `Community 113`** (2 nodes): `PgnValidatorTest.scala`, `PgnValidatorTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 108`** (2 nodes): `DefaultRulesTest`, `DefaultRulesTest.scala`
+- **Thin community `Community 114`** (2 nodes): `DefaultRulesTest`, `DefaultRulesTest.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 109`** (2 nodes): `PieceUnicode.scala`, `unicode()`
+- **Thin community `Community 115`** (2 nodes): `PieceUnicode.scala`, `unicode()`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 110`** (2 nodes): `RendererAndUnicodeTest.scala`, `RendererAndUnicodeTest`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 111`** (1 nodes): `build.gradle.kts`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 112`** (1 nodes): `settings.gradle.kts`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 113`** (1 nodes): `Strip the package prefix from the full method path.`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 114`** (1 nodes): `Lines that are branch points and have at least one uncovered branch statement.`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 115`** (1 nodes): `test_counter.py`
-  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 116`** (1 nodes): `build.gradle.kts`
+- **Thin community `Community 116`** (2 nodes): `RendererAndUnicodeTest.scala`, `RendererAndUnicodeTest`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
 - **Thin community `Community 117`** (1 nodes): `build.gradle.kts`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 118`** (1 nodes): `start.ps1`
+- **Thin community `Community 118`** (1 nodes): `settings.gradle.kts`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 119`** (1 nodes): `Bot.scala`
+- **Thin community `Community 119`** (1 nodes): `Strip the package prefix from the full method path.`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 120`** (1 nodes): `BotDifficulty.scala`
+- **Thin community `Community 120`** (1 nodes): `Lines that are branch points and have at least one uncovered branch statement.`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 121`** (1 nodes): `build.gradle.kts`
+- **Thin community `Community 121`** (1 nodes): `test_counter.py`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
 - **Thin community `Community 122`** (1 nodes): `build.gradle.kts`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 123`** (1 nodes): `GameContextExport.scala`
+- **Thin community `Community 123`** (1 nodes): `build.gradle.kts`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 124`** (1 nodes): `GameContextImport.scala`
+- **Thin community `Community 124`** (1 nodes): `start.ps1`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 125`** (1 nodes): `build.gradle.kts`
+- **Thin community `Community 125`** (1 nodes): `Bot.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
- **Thin community `Community 126`** (1 nodes): `RuleSet.scala`
+- **Thin community `Community 126`** (1 nodes): `BotDifficulty.scala`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
 - **Thin community `Community 127`** (1 nodes): `build.gradle.kts`
  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 128`** (1 nodes): `build.gradle.kts`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 129`** (1 nodes): `GameContextExport.scala`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 130`** (1 nodes): `GameContextImport.scala`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 131`** (1 nodes): `build.gradle.kts`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 132`** (1 nodes): `RuleSet.scala`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 133`** (1 nodes): `build.gradle.kts`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 134`** (1 nodes): `Get/create data directory.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 135`** (1 nodes): `Get/create data directory.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 136`** (1 nodes): `Get/create weights directory.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 137`** (1 nodes): `List available checkpoint versions.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 138`** (1 nodes): `Display application header.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 139`** (1 nodes): `Display available checkpoints in a table.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 140`** (1 nodes): `Display and handle main menu.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 141`** (1 nodes): `Interactive training menu.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 142`** (1 nodes): `Interactive burst training menu.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 143`** (1 nodes): `Interactive export menu.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 144`** (1 nodes): `Interactive tactical positions extraction and merge menu.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.
+- **Thin community `Community 145`** (1 nodes): `Load PyTorch weights and export as binary file.`
+  Too small to be a meaningful cluster - may be noise or needs more connections extracted.

 ## Suggested Questions
 _Questions this graph is uniquely positioned to answer:_

 - **What connects `Strip the package prefix from the full method path.`, `Lines that are branch points and have at least one uncovered branch statement.`, `[1,2,3,5,7,8,9] → '1-3, 5, 7-9` to the rest of the system?**
-  _116 weakly-connected nodes found - possible documentation gaps or missing edges._
+  _147 weakly-connected nodes found - possible documentation gaps or missing edges._
 - **Should `Community 0` be split into smaller, more focused modules?**
-  _Cohesion score 0.09 - nodes in this community are weakly interconnected._
- **Should `Community 1` be split into smaller, more focused modules?**
  _Cohesion score 0.11 - nodes in this community are weakly interconnected._
+- **Should `Community 1` be split into smaller, more focused modules?**
+  _Cohesion score 0.1 - nodes in this community are weakly interconnected._
 - **Should `Community 2` be split into smaller, more focused modules?**
  _Cohesion score 0.09 - nodes in this community are weakly interconnected._
 - **Should `Community 3` be split into smaller, more focused modules?**
-  _Cohesion score 0.14 - nodes in this community are weakly interconnected._
+  _Cohesion score 0.13 - nodes in this community are weakly interconnected._
 - **Should `Community 4` be split into smaller, more focused modules?**
-  _Cohesion score 0.11 - nodes in this community are weakly interconnected._
- **Should `Community 8` be split into smaller, more focused modules?**
-  _Cohesion score 0.14 - nodes in this community are weakly interconnected._
+  _Cohesion score 0.14 - nodes in this community are weakly interconnected._
+- **Should `Community 5` be split into smaller, more focused modules?**
+  _Cohesion score 0.11 - nodes in this community are weakly interconnected._
@@ -0,0 +1 @@
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+{"nodes": [{"id": "modules_bot_python_src_export_py", "label": "export.py", "file_type": "code", "source_file": "modules/bot/python/src/export.py", "source_location": "L1"}, {"id": "export_read_sidecar", "label": "_read_sidecar()", "file_type": "code", "source_file": "modules/bot/python/src/export.py", "source_location": "L16"}, {"id": "export_infer_layers", "label": "_infer_layers()", "file_type": "code", "source_file": "modules/bot/python/src/export.py", "source_location": "L24"}, {"id": "export_write_floats", "label": "_write_floats()", "file_type": "code", "source_file": "modules/bot/python/src/export.py", "source_location": "L42"}, {"id": "export_export_to_nbai", "label": "export_to_nbai()", "file_type": "code", "source_file": "modules/bot/python/src/export.py", "source_location": "L48"}, {"id": "export_rationale_25", "label": "Derive layer descriptors from state_dict weight shapes.      Assumes layers name", "file_type": "rationale", "source_file": "modules/bot/python/src/export.py", "source_location": "L25"}], "edges": [{"source": "modules_bot_python_src_export_py", "target": "json", "relation": "imports", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L4", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "struct", "relation": "imports", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L5", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "sys", "relation": "imports", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L6", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "datetime", "relation": "imports_from", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L7", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "pathlib", "relation": "imports_from", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L8", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "torch", "relation": "imports", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L10", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "export_read_sidecar", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L16", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "export_infer_layers", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L24", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "export_write_floats", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L42", "weight": 1.0}, {"source": "modules_bot_python_src_export_py", "target": "export_export_to_nbai", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L48", "weight": 1.0}, {"source": "export_export_to_nbai", "target": "export_read_sidecar", "relation": "calls", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L65", "weight": 1.0}, {"source": "export_export_to_nbai", "target": "export_infer_layers", "relation": "calls", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L78", "weight": 1.0}, {"source": "export_export_to_nbai", "target": "export_write_floats", "relation": "calls", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L113", "weight": 1.0}, {"source": "export_rationale_25", "target": "export_infer_layers", "relation": "rationale_for", "confidence": "EXTRACTED", "source_file": "modules/bot/python/src/export.py", "source_location": "L25", "weight": 1.0}]}
@@ -0,0 +1 @@
+{"nodes": [{"id": "modules_core_src_main_scala_de_nowchess_chess_engine_participant_scala", "label": "Participant.scala", "file_type": "code", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L1"}, {"id": "participant_human", "label": "Human", "file_type": "code", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L6"}, {"id": "participant_botparticipant", "label": "BotParticipant", "file_type": "code", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L7"}], "edges": [{"source": "modules_core_src_main_scala_de_nowchess_chess_engine_participant_scala", "target": "de", "relation": "imports", "confidence": "EXTRACTED", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L3", "weight": 1.0}, {"source": "modules_core_src_main_scala_de_nowchess_chess_engine_participant_scala", "target": "participant_human", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L6", "weight": 1.0}, {"source": "modules_core_src_main_scala_de_nowchess_chess_engine_participant_scala", "target": "participant_botparticipant", "relation": "contains", "confidence": "EXTRACTED", "source_file": "modules/core/src/main/scala/de/nowchess/chess/engine/Participant.scala", "source_location": "L7", "weight": 1.0}]}
@@ -0,0 +1,51 @@
+{
+  "version": 1,
+  "created": "2026-04-13T19:58:38.629943",
+  "total_positions": 2522562,
+  "stockfish_depth": 12,
+  "sources": [
+    {
+      "type": "legacy_import",
+      "path": "data/training_data.jsonl",
+      "count": 2009355,
+      "note": "Migrated from data/training_data.jsonl"
+    },
+    {
+      "type": "test_extend",
+      "count": 4,
+      "actual_count": 3
+    },
+    {
+      "type": "test_new_positions",
+      "count": 3,
+      "actual_count": 3
+    },
+    {
+      "type": "test_mixed",
+      "count": 5,
+      "actual_count": 0
+    },
+    {
+      "type": "test_all_dups",
+      "count": 2,
+      "actual_count": 0
+    },
+    {
+      "type": "guaranteed_unique",
+      "count": 10,
+      "actual_count": 8
+    },
+    {
+      "type": "merged_sources",
+      "count": 600000,
+      "sources": [
+        {
+          "type": "tactical",
+          "count": 600000,
+          "max_puzzles": 600000
+        }
+      ],
+      "actual_count": 599993
+    }
+  ]
+}
@@ -9,7 +9,6 @@ import de.nowchess.chess.command.{CommandInvoker, MoveCommand, MoveResult}
 import de.nowchess.io.{GameContextExport, GameContextImport}
 import de.nowchess.rules.RuleSet
 import de.nowchess.rules.sets.DefaultRules
-import de.nowchess.bot.Bot
 import scala.concurrent.{ExecutionContext, Future}

 /** Pure game engine that manages game state and notifies observers of state changes. All rule queries delegate to the
@@ -18,6 +17,7 @@ import scala.concurrent.{ExecutionContext, Future}
 class GameEngine(
    val initialContext: GameContext = GameContext.initial,
    val ruleSet: RuleSet = DefaultRules,
+    val participants: Map[Color, Participant] = Map(Color.White -> Human, Color.Black -> Human),
 ) extends Observable:
  // Ensure that initialBoard is set correctly for threefold repetition detection
  private val contextWithInitialBoard = if initialContext.moves.isEmpty && initialContext.board != initialContext.initialBoard then
@@ -33,30 +33,11 @@ class GameEngine(
  @SuppressWarnings(Array("DisableSyntax.var"))
  private var pendingPromotion: Option[PendingPromotion] = None

-  /** Optional opponent bot and the color it plays. */
-  @SuppressWarnings(Array("DisableSyntax.var"))
-  private var opponentBot: Option[Bot] = None
-  @SuppressWarnings(Array("DisableSyntax.var"))
-  private var opponentColor: Option[Color]  = None
  private implicit val ec: ExecutionContext = ExecutionContext.global

  /** True if a pawn promotion move is pending and needs a piece choice. */
  def isPendingPromotion: Boolean = synchronized(pendingPromotion.isDefined)

-  /** Set an opponent bot to play against. The bot will play as the given color and auto-play moves after the opponent
-    * moves.
-    */
-  def setOpponentBot(bot: Bot, color: Color): Unit = synchronized {
-    opponentBot = Some(bot)
-    opponentColor = Some(color)
-  }
-
-  /** Clear the opponent bot. */
-  def clearOpponentBot(): Unit = synchronized {
-    opponentBot = None
-    opponentColor = None
-  }
-
  // Synchronized accessors for current state
  def board: Board         = synchronized(currentContext.board)
  def turn: Color          = synchronized(currentContext.turn)
@@ -231,6 +212,9 @@ class GameEngine(
    notifyObservers(BoardResetEvent(currentContext))
  }

+  /** Kick off play when the side to move is a bot (e.g. bot-vs-bot from initial position). */
+  def startGame(): Unit = synchronized(requestBotMoveIfNeeded())
+
  // ──── Private helpers ────

  private def executeMove(move: Move): Unit =
@@ -332,37 +316,34 @@ class GameEngine(
  /** Request a move from the opponent bot if it's their turn. Spawns an async task to avoid blocking the engine.
    */
  private def requestBotMoveIfNeeded(): Unit =
-    (opponentBot, opponentColor) match
-      case (Some(bot), Some(color)) if currentContext.turn == color =>
-        Future {
-          bot.nextMove(currentContext) match
-            case Some(move) => applyBotMove(move, color)
-            case None       => handleBotNoMove()
-        }
-      case _ => () // No bot or not bot's turn
+    val pendingBotMove = synchronized {
+      participants.get(currentContext.turn) match
+        case Some(BotParticipant(bot)) => Some((bot, currentContext))
+        case _                         => None
+    }

-  private def applyBotMove(move: Move, color: Color): Unit =
+    pendingBotMove.foreach { case (bot, contextAtRequest) =>
+      Future {
+        bot.nextMove(contextAtRequest) match
+          case Some(move) => applyBotMove(move)
+          case None       => handleBotNoMove()
+      }
+    }
+
+  private def applyBotMove(move: Move): Unit =
    synchronized {
-      if currentContext.turn == color then
-        val from = move.from
-        val to   = move.to
-        currentContext.board.pieceAt(from) match
-          case Some(piece) if piece.color == color =>
-            val legal = ruleSet.legalMoves(currentContext)(from)
-            legal.find(m => m.to == to && m.moveType == move.moveType) match
-              case Some(legalMove) =>
-                val isPromotion = move.moveType match
-                  case MoveType.Promotion(_) => true
-                  case _                     => false
-                if isPromotion then
-                  move.moveType match
-                    case MoveType.Promotion(pp) => completePromotion(pp)
-                    case _                      => ()
-                else executeMove(legalMove)
-              case None =>
-                notifyObservers(InvalidMoveEvent(currentContext, s"Bot move ${from}${to} is illegal"))
-          case _ =>
-            notifyObservers(InvalidMoveEvent(currentContext, "Bot move has invalid source square"))
+      val color = currentContext.turn
+      val from  = move.from
+      val to    = move.to
+      currentContext.board.pieceAt(from) match
+        case Some(piece) if piece.color == color =>
+          val legal = ruleSet.legalMoves(currentContext)(from)
+          legal.find(m => m.to == to && m.moveType == move.moveType) match
+            case Some(legalMove) => executeMove(legalMove)
+            case None =>
+              notifyObservers(InvalidMoveEvent(currentContext, s"Bot move ${from}${to} is illegal"))
+        case _ =>
+          notifyObservers(InvalidMoveEvent(currentContext, "Bot move has invalid source square"))
    }

  private def handleBotNoMove(): Unit =
@@ -0,0 +1,8 @@
+package de.nowchess.chess.engine
+
+import de.nowchess.bot.Bot
+
+sealed trait Participant
+case object Human extends Participant
+final case class BotParticipant(bot: Bot) extends Participant
+
@@ -9,17 +9,16 @@ import de.nowchess.rules.sets.DefaultRules
 import org.scalatest.funsuite.AnyFunSuite
 import org.scalatest.matchers.should.Matchers
 import java.util.concurrent.atomic.{AtomicBoolean, AtomicInteger}
-import scala.concurrent.duration.*
-import scala.concurrent.Await

 class GameEngineWithBotTest extends AnyFunSuite with Matchers:

  test("GameEngine can play against a ClassicalBot"):
-    val engine = GameEngine(GameContext.initial, DefaultRules)
    val bot    = ClassicalBot(BotDifficulty.Easy)
-
-    // Set White (human) vs Black (bot)
-    engine.setOpponentBot(bot, Color.Black)
+    val engine = GameEngine(
+      GameContext.initial,
+      DefaultRules,
+      Map(Color.White -> Human, Color.Black -> BotParticipant(bot)),
+    )

    // Collect events
    val moveCount         = new AtomicInteger(0)
@@ -49,8 +48,6 @@ class GameEngineWithBotTest extends AnyFunSuite with Matchers:
    // White should have moved, then Black (bot) should have responded
    moveCount.get() should be >= 2

-    engine.clearOpponentBot()
-
  test("BotController can list and retrieve bots"):
    val bots = BotController.listBots
    bots should contain("easy")
@@ -65,10 +62,12 @@ class GameEngineWithBotTest extends AnyFunSuite with Matchers:
    BotController.getBot("unknown") should be(None)

  test("GameEngine handles bot with different difficulty"):
-    val engine  = GameEngine(GameContext.initial, DefaultRules)
    val hardBot = BotController.getBot("hard").get
-
-    engine.setOpponentBot(hardBot, Color.Black)
+    val engine = GameEngine(
+      GameContext.initial,
+      DefaultRules,
+      Map(Color.White -> Human, Color.Black -> BotParticipant(hardBot)),
+    )
    engine.turn should equal(Color.White)

    val movesMade = new AtomicInteger(0)
@@ -87,13 +86,13 @@ class GameEngineWithBotTest extends AnyFunSuite with Matchers:
    // At least white moved, possibly black also responded
    movesMade.get() should be >= 1

-    engine.clearOpponentBot()
-
  test("GameEngine plays valid bot moves"):
-    val engine = GameEngine(GameContext.initial, DefaultRules)
    val bot    = ClassicalBot(BotDifficulty.Easy)
-
-    engine.setOpponentBot(bot, Color.Black)
+    val engine = GameEngine(
+      GameContext.initial,
+      DefaultRules,
+      Map(Color.White -> Human, Color.Black -> BotParticipant(bot)),
+    )

    val moveCount = new AtomicInteger(0)
    val observer = new Observer:
@@ -113,4 +112,3 @@ class GameEngineWithBotTest extends AnyFunSuite with Matchers:
    // Game should not be ended (checkmate/stalemate)
    engine.context.moves.nonEmpty should be(true)

-    engine.clearOpponentBot()
@@ -1,10 +1,7 @@
 package de.nowchess.ui

-import de.nowchess.api.board.Color.{Black, White}
 import de.nowchess.bot.util.PolyglotBook
 import de.nowchess.bot.BotDifficulty
-import de.nowchess.bot.bots.{ClassicalBot, HybridBot, NNUEBot}
-import de.nowchess.chess.engine.GameEngine
 import de.nowchess.ui.terminal.TerminalUI
 import de.nowchess.ui.gui.ChessGUILauncher

@@ -13,12 +10,21 @@ import de.nowchess.ui.gui.ChessGUILauncher
  */
 object Main:
  def main(args: Array[String]): Unit =
-    // Create the core game engine (single source of truth)
-    val engine = new GameEngine()
-
    val book = PolyglotBook("../../modules/bot/codekiddy.bin")

-    engine.setOpponentBot(HybridBot(BotDifficulty.Easy, book = Some(book)), White);
+    // Create the core game engine (single source of truth)
+    val engine = new de.nowchess.chess.engine.GameEngine(
+      participants = Map(
+        de.nowchess.api.board.Color.White -> de.nowchess.chess.engine.BotParticipant(
+          de.nowchess.bot.bots.HybridBot(BotDifficulty.Easy, book = Some(book)),
+        ),
+        de.nowchess.api.board.Color.Black -> de.nowchess.chess.engine.BotParticipant(
+          de.nowchess.bot.bots.HybridBot(BotDifficulty.Easy, book = Some(book)),
+        ),
+      ),
+    )
+
+    engine.startGame()

    // Launch ScalaFX GUI in separate thread
    ChessGUILauncher.launch(engine)
				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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