feat(agent): mirror session transcript into the workspace for snapshot resumes#3333
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tatoalo wants to merge 2 commits into
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feat(agent): mirror session transcript into the workspace for snapshot resumes#3333tatoalo wants to merge 2 commits into
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…t resumes Directory resume snapshots only cover the workspace, so the native Claude transcript in the config dir never survives a resume and every resume falls back to lossy S3-log hydration, which discards prior in-session compaction. Mirror the transcript into .posthog/ after each turn and restore it before the warm check on resume, so snapshot resumes reuse the real session. Generated-By: PostHog Code Task-Id: c6065620-5694-4478-a20a-fec4ccde8f1a
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Generated-By: PostHog Code Task-Id: c6065620-5694-4478-a20a-fec4ccde8f1a
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Problem
Directory resume snapshots only cover the workspace (
/tmp/workspace), not the Claude config dir where the native session transcript lives. So every snapshot resume is "cold": the transcript is rebuilt from the task's concatenated S3 notification logs, which cannot see in-session compaction and resurrects history the session had already compacted away. That is the mechanism behind resumes starting at 90%+ context (and, before #3331, exceeding the window outright and permanently failing the task with "Prompt is too long").Follow-up to #3331.
Changes
<workspace>/.posthog/claude-sessions/(same workspace state dir already used for skill bundles), so it rides along in directory snapshots. No-op for adapters without a Claude transcript on disk (codex).warmand reuses the real, compacted session.How did you test this?
prepareNativeResumerestores the transcript from the workspace mirror, reportswarm: true, and never fetches S3 logs.pnpm exec vitest run src/server/agent-server.test.ts src/adapters/claude/session/jsonl-hydration.test.ts— 158 passed, 1 pre-existing failure (sanitizeSessionJsonlwarn-path test) that also fails onmain.Automatic notifications
Created with PostHog Code