fusion

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gsxdsm a1977e052b FN-9149: Add PostgreSQL timeout-boundary diagnostics

Instrument the opt-in PostgreSQL test harness to attribute loaded-lane timeout failures without changing default behavior.

- Add bounded setup, body, and teardown watchdog probes with host, cluster, and template evidence.
- Wire observer records into the harness and loaded-failure census with explicit suppression and attribution handling.
- Cover observer inertness, boundary behavior, and census joins while documenting the 27-worker campaign findings.

Files changed:
 ...res-loaded-lane-unrelated-failure-population.md |  31 +-
 docs/testing.md                                    |  27 ++
 .../core/src/__test-utils__/pg-test-harness.ts     | 113 +++++-
 .../__test-utils__/pg-timeout-boundary-observer.ts | 451 +++++++++++++++++++++
 .../pg-test-harness-observer-inertness.test.ts     |  31 ++
 .../__tests__/pg-timeout-boundary-observer.test.ts | 177 ++++++++
 .../__tests__/pg-loaded-failure-census.test.mjs    |  31 ++
 scripts/pg-loaded-failure-census.mjs               | 101 ++++-
 8 files changed, 934 insertions(+), 28 deletions(-)

Fusion-Task-Id: FN-9149

Fusion-Task-Lineage: 4df4ee28-5369-41ae-bb0c-e7e9ae78d873

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

2026-08-19 08:41:14 -07:00

architecture

FN-8685: add durable cross-process task deletion consumers

2026-08-01 06:09:04 -07:00

architecture-patterns

fix(engine): make the planning->plan-review handoff atomic so planned cards stop stranding in Todo

2026-08-12 21:24:53 -07:00

best-practices

docs(solutions): finding 6 — read the implementation before claiming its output is wrong (#2649 )

2026-07-30 00:07:06 -07:00

build-errors

docs(solutions): capture eslint exhaustive-deps CI-lint gotcha