nanoclaw

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Adam 6686315a10 fix(agent-runner): rotate oversized/old session transcripts before resume

A long-lived hub session never rotates its continuation, so the on-disk
.jsonl grows without bound — days of history plus base64 image blocks the
agent Read (screenshots from QA lanes, etc.). The SDK reloads the whole
transcript on every --resume, and past a threshold the first turn alone
exceeds the host's 30-min idle ceiling: the container is SIGKILLed before
it can reply, then the next message repeats the cycle forever. Symptom:
a hub that was responsive for days suddenly goes silent on a heavy turn.

Before resuming, the Claude provider now checks the transcript backing the
stored continuation; if it exceeds a size cap (default 12MB) or age cap
(default 14 days, from the first entry's timestamp) it archives a markdown
summary to conversations/ and starts a fresh session. Both caps are
operator-overridable via CLAUDE_TRANSCRIPT_ROTATE_BYTES /
CLAUDE_TRANSCRIPT_ROTATE_AGE_DAYS. The PreCompact archiver is refactored
into a shared archiveTranscriptFile() reused by the rotation path.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-22 23:40:47 +10:00