v0.56.0

Changelog

Fixes

• 685c452 fix(agent): compaction/turn-loop correctness — cache tokens, empty-retry, turn drift (#539, #540, #541)
• 03b4185 fix(engine): persist node outcomes so resumed goal gates stay satisfied (#533)
• a483537 fix(engine): refuse memoization at non-full fidelity to prevent stale replay (#534)
• b8cfd19 fix(engine): resume-window override bugs — child double-count + stale edge (#535, #536)
• 6656827 fix(parallel): propagate branch run-id and billing pause out of fan-out (#537, #538)

Other

• babc380 docs(release): v0.56.0 — resume, parallel & context-management correctness
• d3d24b0 docs(site): collapse older changelog versions behind a disclosure
• 70f2ef3 merge: #395 dedup pass (EngineResult, isStandardProvider, review renderer)
• f5cff35 merge: agent compaction/turn-loop correctness (#539, #540, #541)
• 376ee85 merge: collapse older changelog versions behind a disclosure
• c422461 merge: parallel branch run-id + billing-pause propagation (#537, #538)
• b97122d merge: persist node outcomes for resume-safe goal gates (#533)
• 1357b1b merge: refuse memoization at non-full fidelity (#534)
• 1b5bc0d merge: resume-window override fixes (#535, #536)
• 9398b8e merge: v0.56.0 release doc updates
• 14ab021 refactor: dedup EngineResult / isStandardProvider / review markdown renderer (#395)