feat: event log and history server (Spark History Server equivalent) - #2259

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andygrove wants to merge 5 commits into

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andygrove:history-server

Commits on Aug 8, 2026

refactor(scheduler): extract REST DTOs into ballista-history and factor out dto_build
andygrove
committed
7ad9a93
refactor(scheduler): tighten the DTO extraction
andygrove
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8c55ee3
docs(history): state the write-once, replay-verbatim data flow
andygrove
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b6b6a71
refactor: rename ballista-history to ballista-api-types
andygrove
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e2e1873
feat: event log and history server
andygrove
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efbb1a9