fix(daemon): reconstruct session state for events on unknown sessions#92
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fix(daemon): reconstruct session state for events on unknown sessions#92rgao-coreweave wants to merge 1 commit into
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The daemon idles out after ~10 min and holds all session state in memory, seeded only at SessionStart. A Claude Code session that outlives a daemon restart sends its next UserPromptSubmit to a fresh daemon that never saw its SessionStart, which logged "Unknown session" and silently dropped tracing for the rest of that session (159 such errors over 14 days in one local log; 52 distinct sessions observed straddling a restart). Reconstruct the session from the transcript_path every hook event carries, seeding the turn counter from the turns already on disk so numbering continues. Makes the daemon tolerant of its own restarts. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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This was referenced Jun 12, 2026
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Summary
The daemon keeps all session state in memory, seeded only at SessionStart. A Claude Code session that outlives a daemon idle-restart sent its next UserPromptSubmit to a fresh daemon with no record of it, which logged "Unknown session" and silently dropped tracing for the rest of that session (159 such errors over 14 days locally; 52 sessions seen straddling a restart).
Reconstruct the session from the
transcript_pathcarried on every hook event, seeding the turn counter from the turns already on disk so the daemon tolerates its own restarts.Test plan
node --import tsx --test tests/daemon-session-reconstruction.test.ts