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Q2b Phase C report

Source: plans/briefs/qwen/Q2b-C-report.md at 8a2cb42ad · last changed 2026-10-12 · first committed 2026-10-12 · 32 lines.

Prose pending.

Plan text

Q2b Phase C report

State inherited: C.1, C.2, C.3 were already applied and staged by the previous executor (one unstaged pyright suppression comment in tests/harness/test_evaluator_lint.py, staged now). I verified by diff, then re-proved everything fresh.

C.1

scripts/verify_package.py line 343 carries exactly: # gate-ok: step label ("ruff", check_ruff), not an argv; check_ruff spawns sys.executable -m ruff

C.2

lint.py: evaluate(..., env=None, interpreter=None); spawns [interpreter, "-m", "ruff", "check", file]; FileNotFoundError -> "Python interpreter not found: ..."; stderr "No module named ruff" -> "ruff is not installed for ... " checked before the lint-findings branch. Tests: test_ruff_module_missing_is_reported (real-subprocess precondition on sys._base_executable), test_interpreter_missing_is_reported. The silent-failing double moved from a fake ruff on PATH to a fake interpreter via the interpreter seam (a fake ruff on PATH is invisible to python -m ruff; previous executor measured the real ruff running). Asserted contract unchanged. Red first (.q2b/red-C2.txt, previous executor, before the lint.py change):

FAILED tests/harness/test_evaluator_lint.py::test_ruff_module_missing_is_reported
FAILED tests/harness/test_evaluator_lint.py::test_interpreter_missing_is_reported
E   TypeError: LintEvaluator.evaluate() got an unexpected keyword argument 'interpreter'
2 failed, 9 passed

Green after: 25 passed (.q2b/green-C2C3.txt) and in the final run below. Step 5 (old message): the previous executor's .q2b/conflict-C2.txt covers the search; the full forced run has 0 failures, so no other test asserts the old message.

C.3

git diff --quiet cbb7f1e2d -- tests/claude/test_start_ast_daemon_hook.py; echo rc=$? -> rc=0

C.4

Guard denial (reported, not bypassed): the Bash guard denies any redirect to a .json file in .q2b/ ("writes a file through Bash"), so > .q2b/run-C.json was refused. The run itself was not blocked; I redirected its output to the guard's sanctioned scratch path /tmp/claude-.../scratchpad/run-C.json (+ .err) and copied it to .q2b/run-C-final.txt. Earlier .q2b/run-C.json is the previous executor's stale run (predates the last test edit).