Janis Eccarius 8e17c14dff
Build & Test (NowChessSystems) TeamCity build finished
feat(analytics): add 7 new Spark analytics jobs and extend GameSource
Adds GameLengthJob, ColorAdvantageJob, EloDistributionJob, TimeControlJob,
DailyActivityJob, RatingMismatchJob, and TerminationStatsJob bringing total
batch pipelines to 11 (+ 1 streaming).

Extends GameSource with loadExtended() / fromLichessPgnExtended() extracting
WhiteElo, BlackElo, TimeControl, UTCDate, UTCTime, Termination, ECO from PGN
headers; JDBC path returns nulls for extended columns, keeping all existing
jobs unaffected.

PlayerStatsJob gains a CSV output alongside the existing Parquet write so
the analytics webview can display player statistics without pyarrow.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-21 15:03:07 +02:00
2026-03-21 14:40:00 +01:00
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