Marius CiepluchandClaude Opus 5 7fc6713e78 test(cpg): confirm the session stays alive and halves query time (M2 11.4) ...

The leak was the whole cause. With the session closed by the transaction that owns
it, a session-enabled replay of the same pinned revisions under the same budget
keeps its session for the whole run: no session_query_failed appears on either
side, where the previous run reported one per side and fell back to the disposable
path for everything.

Measured on the same pins, instrument and budget, changing only the transport:

  vulnerable revision   326.4 s -> 243.3 s
  head query time        63.6 s ->  32.0 s
  base query time        85.1 s ->  51.2 s
  dominance and config   ~14 s each -> ~4 s each

Detections are unchanged: witness present, fixed twin analyzed and quiet, unchanged
revision not a regression, kill criterion not triggered. Speed bought by losing a
detection would not be speed.

This is a cold transaction on one teaching repository under a 900-second
development budget. It is not the hook latency gate, which is warm changed-code p95
against the frozen seven-class profile, and that is task 11.5. Rollout stays NO-GO.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo

2026-09-17 07:50:04 +02:00

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