Keep compacted prompt prefixes byte-stable across passes - #553
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TheGreatAxios merged 6 commits intoAug 23, 2026
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TheGreatAxios
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Prefix-stable compaction still uses one extractive shape on LLM failure, but dropping the CL-6906 marker made a lossy stub look like a real handoff summary. Restore the marker and keep the first summary turn byte-identical across later successful passes.
…ead-100-kv-cache-loss
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…ion-rewrites-the-prompt-head-100-kv-cache-loss
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bun run typecheckpassesbun test src/agent/compaction.test.ts src/context-compactor.test.ts tests/unit/context-window.test.ts src/provider/context-window.test.tspassesFixes CL-6914