gsxdsm 6d7b4a3ac3 FN-9140: make Vitest timeout ownership surveys deterministic ...

Replace ambiguous setup-boundary observations with calibrated, repeatable timeout ownership evidence.

- record fixture lifecycle events in an append-only JSONL ledger with process-safe ordering
- classify four timeout-budget arms across repeated isolate-mode cells and fail closed on incomplete evidence
- expand connectionless unit coverage and document the terminal insufficient-data survey result

Files changed:
 .../test-failures/postgres-ddl-admission-bound.md  |   2 +
 .../vitest-setup-boundary-timeout-ownership.md     |  37 +++
 docs/testing.md                                    |   2 +-
 scripts/__tests__/pg-setup-boundary-probe.test.mjs | 195 ++++++++----
 scripts/pg-setup-boundary-probe.mjs                | 341 ++++++++++++---------
 5 files changed, 371 insertions(+), 206 deletions(-)

Fusion-Task-Id: FN-9140

Fusion-Task-Lineage: 9c6970b8-af80-400a-b2b2-49718d4fe87f

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

2026-08-16 22:47:53 -07:00

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