[Programcode]

Running npm test anywhere on the VPS killed any database gate or verify stack running in another worktree. This had already cost at least eight 10-to-13-minute gate runs.

Cause. src/test/scripts/db-gate.test.ts runs the real .superset/db-gate.sh with HOME pointed at a temp directory and only supabase and npm stubbed. The temp HOME puts the lock somewhere else, so the test never waits for the shared lock. The script fails at npm run test:db as the test intends, and its cleanup then runs the real docker rm -f debatelab-fake-openrouter. That container belongs to whichever worktree is running a gate.

Fix.

• db-gate.sh removes the fake provider in cleanup only if this run started it. verify.sh already guards its own cleanup the same way (FAKE_STARTED).
• The test stubs docker and writes its calls to the same log, so the existing exact-match assertion fails if cleanup ever calls docker on this path again. TMPDIR points at the test's temp root so a failed run doesn't leave a runtime directory in /tmp.

Verification.

• Reproduced first. With the docker stub added and the script unchanged, the test failed and the log showed docker rm -f debatelab-fake-openrouter between npm run test:db and supabase stop.
• With the script fix the test passes. bash -n is clean.
• I deliberately didn't run the old test against real docker: a verify stack from another worktree held the lock the whole time, and running it would have killed that stack.

Overlap: the chore/test-diet worktree has an uncommitted, different edit to the same test that stubs docker but still expects the docker call. Whichever lands second needs a small rebase.

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Project	Deployment	Actions	Updated
debate-navigator	Ready	Preview	Oct 2, 2026 6:22pm UTC

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