134 Commits

Include renames

Author	SHA1	Message	Date
timothy	30640bb780	fix(772,792): close the fix-round review — the doc still described the semantics the fix reversed ... The re-review's one HIGH was mine and was the obvious one to miss: the previous commit changed the preflight so an unverifiable answer FAILS, and left a `docs/ci-cd.md` paragraph two screens away still saying "anything else is reported as could-not-tell". That paragraph is the one an operator reads when the job goes red, and it would have talked them into reinstating the defect. Replaced with the full arm table, including the two rows the first draft got wrong and why. * "gates nothing" was false in the way this repo has recorded before (#598): the merge-consent hook reads the COMBINED status, so a red preflight blocks the merge like any other red job. It does not SKIP the jobs it diagnoses; that is the accurate claim, in ci-cd.md and in the remote-state row. * The production retry defaults were evaluated by nothing — every test overrode both knobs. A test now drops the overrides and measures three attempts and a real pause, so editing the default to 1/0 (which would falsify the "a blip does not redden a PR" argument) goes red. * `journalctl -u gitea | grep ExecuteCleanupRules` is not a reproduction: that identifier reaches the log only through slow-query warnings, so an empty grep on a healthy host reads as "the rule never ran" — the inverse. Replaced with the admin cron API, which answers deterministically. * The recovery recipe's `docker buildx use default` needs the containerd image store to `--push` (both named hosts have it, checked today) and mutated the operator's builder selection without restoring it. * The stub's comment claimed both halves of real curl's transport failure mattered; only the exit status is observable, because `|| resp=""` discards what curl printed. * The empty-half credential refusal echoed the username; it needs no value at all. The 401/403 arm aborts the remaining pins while 404 continues — deliberate, now stated. * `curl -u "$VAR"` puts a credential in argv, and this job runs container-free on a shared host. NOT fixed here: it is the shape all five `scripts/` callers already use, so fixing one site leaves the class and splits the codebase. Filed as #821 and named at the site. refs #772 refs #792	2026-08-22 23:48:20 +02:00
timothy	0cf355e494	fix(772,792): address both cold reviews — an unverified pin is no longer a green job ... Two independent reviewers (one cross-family) converged on the same defect, and it was the important one: the preflight WARNED and exited 0 on every answer that was not 200 or 404, so a missing `curl`, a moved registry or a DNS change would have left it green forever — "the check could not run" presenting as "the pin is fine", in a script whose own header disclaimed exactly that. Unknown answers are now retried (3x, 5s) and then FAIL, with wording kept distinct from the deleted case because the two send an operator to different places. Also from the reviews: * An absent secret does not arrive as an unset variable. `${{ secrets.X }}:${{ secrets.Y }}` interpolates to ":", a perfectly non-empty and perfectly useless credential, and the tests covered only the unset shape. Both halves are now required, and the parametrised test drives the production shape. * HTTP 200 is not a manifest. A proxy or a login page answers 200 too, so the body is fetched and matched for `schemaVersion` (a shell `case`, so no jq dependency and no pipeline that can inject). * The curl stub ignored `-u` and answered 200 regardless, so deleting the real `-u` would have left the suite green while the live registry rejected every request. It now 401s an unauthenticated read, as the registry does. * The mutation's declared diagnostic changed with the script: now that unknown fails too, the exit code no longer separates "deleted" from "could not check", so the proof turns on the message and `expect` says so. * docs/ci-cd.md: `scan` is no longer the only `docker-build.yml` job on the small lane, so the tag-push exclusivity claim and the lane membership were both false. Fixed. * "Immutable" was overstated: `ci-image.yml` tags `rev-parse --short HEAD`, so a dispatch or a weekly no-cache run at the same HEAD republishes that tag from a rebuilt image. Stated, along with what the rebuild recovery does NOT restore (mutable bases and apt, so equivalent rather than bit-identical). * The recovery recipe left you in a worktree checked out at the pin commit — where the verify script does not exist, and where the workflow carries the pre-bump pin. It now keeps `$repo`, returns, and removes the worktree. It also needed BuildKit's `http = true` caveat: the container driver does not inherit the daemon's insecure-registries. * The root cause carries its evidentiary limit and its reproduction commands, and says what to conclude if a pin vanishes after server-management#842 lands (refuted, not re-applied). * The `ci.required-job-step-execution-markers` carve-out named one container-free job; there are two now, and the membership is what rots. * The decision record's `''` YAML escapes leaked into rendered prose; "status, no comment -> ask" is qualified (a prior positive verdict for the SAME head still satisfies condition (c)); "exits 1" is "exits non-zero" (usage exits 2, jq its own status, signals 128+n). refs #772 refs #792 Decisions-Edit: yes	2026-08-22 23:25:26 +02:00
timothy	5ba442c11c	fix(772,792): name the missing toolchain image, and stop a refusal leaving a verdict comment ... #772 — the pinned CI toolchain image can be deleted out from under us, and when it was (2026-08-11..13) all five `container:` jobs died at image pull, both required contexts included, with the cause buried in each job's log. Root cause is registry-side and is now established rather than guessed: an owner-level Gitea package cleanup rule (keep_count 15, remove_days 1, remove_pattern `.*`, keep_pattern no 7-hex sha can match) deletes a sha tag once 15 newer versions exist, and `ExecuteCleanupRules` ran nightly through the window. The `ersatztv` package carries the same rule's fingerprint exactly — every sha tag older than the 15-slot window is gone, every keep_pattern tag back to 26.3.1 survives. Version deletes leave no audit row, so the specific run cannot be replayed; that limit is stated where the claim is made. The durable fix belongs to the registry's repo: server-management#842. What lands here is what a consumer of someone else's registry can do: * `toolchain-preflight`, a container-free job (a job consuming the image could not run to report it missing) resolving every pin against the registry and failing with a message that names the tag and the recovery. Not a `needs:` of the jobs it diagnoses — gating five jobs behind a checkout and one curl taxes every green run to speed up a rare red one, and they already fail fast. * Only HTTP 404 means gone. Everything else is could-not-tell, and rejected credentials fail rather than pass as unknown — "the check could not run" must never present as "the pin is fine". * A recovery path that does not need CI: rebuild the SAME tag from the commit it names and push it. The push half was verified against this registry on 2026-08-22 with a throwaway package (created, resolved 200, deleted). #792 — the reported defect was the exit code, and re-measuring says that premise is false: every no-status path already exits 1, and eight refusal modes now assert it against the real predecessor, where they pass. The observed 0 came from the invocation, not the script. What WAS broken is the half-state the issue describes second: the comment was written before the status, so every refusal left `Review-verdict: MERGEABLE @ <head>` on a PR with no gating status behind it. The two writes are now ordered status-then-comment, which makes the only reachable half-state the safe one — a status with no comment leaves the merge hook's condition (c) with nothing to classify, which is an `ask`. The refusals themselves are untouched. Ordering rather than compensating deletion: an orphaned-comment cleanup needs a Gitea call, and these refusals are usually caused by Gitea being unreachable. Proof for the ordering is the split against origin/main's script: the 8 orphan/ordering tests go red there, the 8 exit-code tests stay green. fixes #772 fixes #792 Refs: server-management#842 Decisions-Edit: yes	2026-08-22 22:52:56 +02:00
timothyandtimothy	29d7a06e65	fix(806): guard populations over FILES derive from the git index, not a filesystem walk (#818) ... `testing.guard-derives-population-from-source` (#774) was silent on the commonest population in our own guards — files in a directory — and every one answered with a filesystem walk. A walk is not authoritative: it reports build output, generated shims and editor droppings, and differs per machine. #778 measured the cost by getting the same population wrong three times in one PR. CONVERTED (a completeness claim over tracked files): `test_guard_inventory.py`, `test_hook_fire_log.py`, `test_ci_image_pin_population.py` (which also gained `*.yaml`), `test_remote_state_inventory.py` (folded onto the shared derivation), and `test_pr_changed_files.py` (not on the issue's list — found by sweeping the whole repo). ASSESSED AND RECORDED, not silently skipped: `_repo_copy` takes its file list from the index for hermeticity though it makes no completeness claim; `test_ci_dropped_step_guard.py` has no filesystem population at all; the decisions corpus is recorded as unexamined rather than cleared; and the SPA page-size guard is deferred to #819 with its obstacle documented. This is not "replace every glob". `scripts/tests/tracked_files.py` is the single derivation. `test_guard_populations_derive_from_git.py` proves it in two measured complements: exhaustive removal catches a hardcoded `.exists()` admit and memoisation; the call log catches an append-only source that yields nothing on this machine — #778's shape — which removal cannot see because it has nothing to remove. Twelve rounds of independent cold review, alternating model families in isolated worktrees. The production derivations were confirmed sound every round; every blocking finding after the first was in the proofs or in prose claims about them. Counts over growing populations were removed rather than corrected, after three drifted. fixes #806 Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-22 16:07:58 +00:00
3 people	3b386649bf	feat(790): execute every MUTATION grade instead of asserting it (#815) ... Every `MUTATION` row of `docs/guard-inventory.md` now carries a DECLARED clause mutation that is applied to an isolated copy of the repository on every suite run, with the row's own named test required to go red carrying a declared diagnostic. Manifest and MUTATION rows are compared for set equality both directions; the other 22 guards each carry a stated reason, compared the same way. Measured rather than assumed: 12 of 13 guards admit a single-clause mutation; `instrumentation_faults` does not, and that entry carries the surviving finer mutation, re-run every suite. Nine cold cross-family review rounds. Rounds 1, 2, 7 and 8 each found real mechanism defects — two mutations that measured nothing, an incomplete git-environment sanitisation, a reset that restored its own mutant, and a proof of that fix which was not itself isolated. All fixed and witnessed red. fixes #790 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-22 13:12:15 +00:00
timothyandtimothy	eb5c74b4b2	fix(780): reconcile the ruff gate with #784, merged in parallel (#814) ... #780 and #784 were green separately and red together: the gate landed on a base that predated scripts/check-doc-narrative.py, so nothing ever ran ruff over it. - RUF100 x2 on `# noqa: BLE001` — BLE is not in this repo's select, so those directives suppress nothing. Enabling BLE instead was measured and rejected: 6 further sites in decisions_validate.py, whose broad catches are deliberate. The non-enabled code is dropped; S110 and both comments stay. - scripts/tests/test_check_doc_narrative.py was not ruff-formatted. Verified with the shipped invocation: 35 files, all checks passed, all formatted; suite 807 passed / 2 skipped. refs #780, refs #784 Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-22 09:34:03 +00:00
timothyandtimothy	d4c72697f2	feat(780): commit a ruff config and enforce it in CI (#813) ... Python lint here was a property of the operator's laptop: the global instructions say to run ruff, no workflow ran it, and with no committed config ruff fell back to whichever ~/.config/ruff/ruff.toml the machine happened to have. - ruff.toml at the root, pinned ruff==0.12.11 in the script-tests job. - Both lint steps pass an EXPLICIT population from `git ls-files` with `--no-force-exclude`, never `ruff check .` — an `exclude` empties a discovery-based run into a GREEN one (top level empties both commands, [lint] empties check, [format] empties format --check), and `ruff check .` over zero files exits 0 with only a stderr warning. Guarded by an empty-population arm. - Tree clean: 74 findings at 706674272, 57 fixed in code, 17 per-site noqa with reasons inline. S105 deliberately per-site, not a directory blanket. RUF100 selected so a suppression that suppresses nothing is itself a finding. - pyright stays ungated; reasoning in the record. Both steps witnessed red on the runner against the shipped bodies: run 2173 job 9176 (ruff check) and run 2170 job 9163 (ruff format --check). Docs: new record ci.python-lint-ruff-config-committed, ci.script-tests-job cross-ref, docs/ci-cd.md (also correcting a stale ~190-tests/~10s figure to the measured 773 tests / ~4.5 min), docs/defect-shapes-773.md §5.2 resolved. fixes #780 Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-22 00:33:18 +00:00
timothyandtimothy	6a4265d81d	feat(784): a doc records the end state — generalize the no-session-narrative rule (#811) ... Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-22 00:23:22 +00:00
3 people	706674272c	test(785): mutation proofs for the three unproven ranked guards (#810) ... Closes the remaining three entries on #785's ranked list with clause-level mutation proofs, each witnessed red against the real subject in place: * the `pretooluse-worktree-guard.sh` + `posttooluse-worktree-marker.sh` PAIR — four clauses, including the cross-file seam (a clause in the marker hook, asserted against the guard's decision) that could not exist while the halves were tested apart; * `.husky/pre-push:11`'s `unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE` — git exports `GIT_DIR` to `pre-push` only from a worktree, which `process.shared-tree-readonly` makes the mandated way to work here, so the guarded case is the normal one; * `scripts/build_decisions_catalog.py --check` — including the `__main__` wiring, which can print "is stale" on stderr and still exit 0. Nine ways the catalog guard can stop gating are detected, judged by executing the step's whole `run` script rather than by matching lines out of it. Two channels are undecidable outside the runner and are stated as uncovered rather than guessed at. Inventory regraded to 12 MUTATION / 6 BEHAVIOUR-ONLY / 16 NONE, with a stated reason for every remaining NONE row, verified member-for-member against the derived set. Five cold review rounds; findings closed include production-hook-fire-log corruption, a tautological assertion, a guard asserting on its helper rather than on the effect, and two false greens in the workflow extractor. Follow-up: #809. fixes #785 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-21 20:10:01 +00:00
timothyandClaude Opus 5	7347a08979	fix(778): the 200-not-an-array arm had the same lying reason, one branch earlier ... Local review returned MERGEABLE — no Blocker, High or Medium, both sentinels verified pinned by mutation, no regressions. Its one Low is taken rather than deferred, because it is a one-line fix and because deferring it would leave exactly the shape this PR exists to document. A 200 whose body is NOT an array never reaches the classifier: the array gate diverts it, `bp_code` stays 200, and the generic ask then reported "HTTP '200' — Gitea unreachable, or these credentials lack the repo-admin scope" about a read that plainly succeeded. That is the identical defect the previous commit fixed for the throw-inside-the-classifier arm, one branch earlier — fixed where it was noticed, left in its twin. The previous commit's message even generalised the pattern ("a sentinel that doubles as an HTTP code makes a decision state a cause that did not happen") while covering only one of the two arms it applies to. The test is now parametrised over all three shapes that reach an unusable 200 — UNPARSEABLE-RULES, GARBAGE, EMPTY — and reverting the new sentinel reddens the two that the first fix missed. Also finishes the de-indent the previous commit claimed: that comment block went from 19 leading spaces to 6 while its siblings use 2, so the claim was true of the direction and not of the result. 729 tests green. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 22:50:23 +02:00
timothyandClaude Opus 5	3f0af38509	fix(778): pin the nomatch sentinel — it shipped unpinned, exactly like the guard before it ... Local review of the previous commit returned BLOCKED. Both findings taken; nothing pushed to CI while this was iterating. MEDIUM — the `nomatch` fix was entirely unpinned. Reverting both sites to `bp_code=404` left the suite 33/33 green, because no fixture ever emitted an HTTP 404 on the LIST read: the codes exercised were 000, 403, 500 and 200, and the old `NOT-FOUND` mode had been repurposed to return 200 with `[]`. So the defect that commit describes could be reintroduced silently — in a PR whose subject is unfalsifiable guards, one round after being blocked for precisely that shape. There is now a `LIST-404` fixture and a test; reverting the sentinel reddens two tests. The same class, one arm over and found while fixing it: a 200 whose `branch_name` is a number makes the classifier throw (`//` fires only on null/false), and that was mapped to `bp_code=000`, reporting "HTTP '000' — Gitea unreachable" about a read that plainly succeeded. It gets its own `unreadable-rules` sentinel and message, with a fixture and a test — reverting it reddens. The pattern across both: a sentinel that doubles as an HTTP code makes a decision state a cause that did not happen. The decision was safe each time; only the reason lied. MEDIUM — four comments still described 404-as-a-finding as live, contradicting the hook comment added in the same commit. The worst said a 404 means "this branch is entirely unprotected" in a test whose fixture now returns 200 with `[]`, which would have talked the next reader into re-adding the deny. Renamed that mode `EMPTY-LIST` so it says what it is. Also: the hook quoted a reason string it no longer emits; a stray over-indented line survived the de-indent; `bp_called` was write-only after its reader was removed. 727 tests green. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 22:09:16 +02:00
timothyandClaude Opus 5	7d81f85b38	fix(778): make the by-name pin falsifiable — it was filtering on the property it asserted ... Confirmation pass returned BLOCKED, and its lead finding is the one worth having. The test forbidding the by-name lookup recorded URLs from INSIDE the `endswith("/branch_protections")` branch, so the only URLs it could ever record were ones that already satisfied the assertion. A by-name request was invisible to the very test written to forbid it. Cold review proved it by reintroducing the lookup in the hook: the suite stayed 33/33 green. That is the filter-on-the-asserted-property defect this PR's sibling record exists to describe, committed inside the guard against it — and the commit message had called the twin "pinned so it cannot come back". The recorder now sees every branch-protection URL whatever its shape. Re-verified by the same mutation: reintroducing a by-name call reddens exactly the two tests that forbid it. Also from that pass: - an HTTP 404 on the LIST read reached the "the full rule list was read and none matches" deny — a claim about a read that never happened. Gitea answers 404 for a repo that is absent or invisible to the credential, so the classifier's own verdict is now the sentinel `nomatch` and HTTP failures reach the ask; - two comment blocks still described the deleted by-name endpoint as live, one of them asserting the classifier "is never reached at all"; - the decision record still documented `branch_protections/{base}` and its 404 semantics as the mechanism, in the record this PR authored — now rewritten to the list endpoint, with why reading the LIST is the load-bearing choice; - seven assertions on a string the hook no longer emits, and three test names/docstrings describing the removed 404 flow; - an unused fixture helper, and 79 lines left over-indented by the removed nesting. 724 tests green. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 21:29:09 +02:00
timothyandClaude Opus 5	f3863c3720	fix(778): delete the by-name lookup — the precedence check was guarding the dead path ... Final review returned MERGEABLE with no Blocker and no High. Its one Medium is taken, and it is my own recurring trap for the third time in this PR: fix one path, then check its TWIN. The hook looked a rule up by NAME first and enumerated the rule list only on a 404. But `branch_protections/{name}` is an exact DB lookup — `GetProtectedBranchRuleByName` — which performs no matching and knows nothing about precedence. A 200 from it means "a rule with this NAME exists and lists this context", never "this context is required on this branch". So the precedence argument added last round guarded the 404 path while the 200 path granted without it — and since this repo's rule IS named `main`, the by-name lookup always returns 200. The hardened code was dead and the unhardened code was live. Given a rule `main` requiring review-verdict/h10 and a rule `m*` with better Priority that does not, Gitea applies `m*`; the by-name hit on `main` saw h10 and granted anyway. Fixed by DELETING the twin rather than documenting it: one fetch of the full list, one classifier, one argument, no second path to keep in step. Two things fall out for free — the ref no longer reaches a URL segment, so the percent-encoding hazard is removed by construction rather than escaped (its test is replaced by one asserting no ref reaches the URL at all), and every case the classifier already covered now applies to the live path instead of an unreachable one. Verified against the live Gitea: the classifier returns `exact` -> rule `main` -> enable_status_check=true, h10 present. A new test pins that the precedence check runs even when an exactly-named rule exists, and asserts the by-name endpoint is never requested, so the split cannot come back silently. The grant string now states what was actually established — read from the full rule list, matched with Gitea's own plain-vs-glob split, refusing wherever precedence or folding is not derivable — rather than the stronger "confirmed required" it claimed while consulting a single named rule. 724 tests green. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 21:07:09 +02:00
timothyandClaude Opus 5	c7bea972d6	fix(778): close the last three residuals — ambiguous exact rules, non-ASCII folds, one unpinned test ... Confirmation review returned MERGEABLE at 356cddbb5, having independently re-executed every claim (the "2 -> 6 dead-classifier" figure exact, the "20 tests" trap figure exactly reproducible, the arm reorder pinned, live branch protection confirming the dated claim). Its three residuals are taken here. M1 — the backslash test hit the undecidable arm but asserted only `"ask" in reason`, which a CRASHED classifier also satisfies. Its two siblings got `"could govern it"` one commit earlier and this one did not. Under the dead-classifier mutation it was the single green test of that arm; now red. L1 — with two plain rules differing only in case, `first` picked LIST order while Gitea picks by Priority. Given `MAIN` requiring review-verdict/h10 and `main` not, the hook could inspect the rule that requires it and auto-grant on a base where Gitea enforces the other — the same defect as the arm order, one level down. Two fold-equal rules are now undecidable. L2 — the same standard, applied where I had waived it. The backslash paragraph rejects "nearly unreachable" as a standard for the arm that issues a DENY, and two paragraphs up the ASCII-only fold was accepted on exactly those grounds: rule `ünstable` and base `Ünstable` fold equal under Gitea's EqualFold and not under `ascii_downcase`, landing on `none` -> deny with a false stated cause. A non-ASCII rule name or base is now undecidable rather than fold-compared. The non-ASCII test is `explode | any(. > 127)`, not a `\uXXXX` regex: the first attempt was a character-class regex whose backslashes are ambiguous through a single-quoted shell string into jq, and a standalone probe showed it classifying plain `main` as non-ASCII. Codepoints have no escaping layer to get wrong. Both new arms are mutation-proven individually; an earlier attempt at those proofs used perl substitutions that silently matched nothing and reported green, which is why they were redone in python with an explicit assert on the target. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 20:23:32 +02:00
timothyandClaude Opus 5	356cddbb59	fix(778): pin the arm order, and correct a wrong explanation I had just written ... Two self-found defects while pre-empting the confirmation round's own questions. THE REORDER WAS UNPINNED. Swapping the classifier arms back to exact-first left all 29 tests green, so the previous commit's central change was invisible to the suite — an unproven change shipping under a green run. The missing fixture is the one that distinguishes the orders: a list holding BOTH an exactly-named rule that requires `review-verdict/h10` AND a glob rule that could also govern the base and does not. Exact-first inspects the rule that requires h10 and auto-grants; undecidable-first asks. Now mutation-proven in both directions. I HAD MISDIAGNOSED THE TRAP, and asserted the wrong cause in a comment. A three-line repro disproves "an EXIT trap suppresses output" — it does not. The real mechanism is that this file already owns its EXIT trap: `scripts/hook-fire-log.sh` installs `trap 'etv_hook_fire_end "$?"' EXIT` (#776), and in capture mode that handler is what REPLAYS the decision JSON to stdout. A second `trap ... EXIT` silently replaces it, so the decision is captured and never emitted. The trap slot is a single shared resource and the sourced library claimed it first. That second one is the shape this whole PR is about, committed against my own work: an explanation that fits the symptom, is written down as fact, and is wrong. It would have told the next person the construct is unusable rather than that the slot is taken. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 19:54:47 +02:00
timothyandClaude Opus 5	d8ff6fa229	fix(778): ask before trusting an exact rule, and make the tests tell classified from crashed ... Ninth cold review: MERGEABLE, no Blocker, no High. Its three Mediums taken anyway, because each was a one-line fix retiring the last "asserted rather than verified" surface in the file whose whole subject is that shape. M1 (backslash missing from the metacharacter class) was already closed in cd1b28637 — found independently while stress-testing the superset claim, in the window the reviewer was working against the previous head. M2 — the `exact` arm was not decidable. Gitea picks the governing rule with GetFirstMatched over a list sorted by Priority and THEN by plain-name-ness, so a glob rule with a better Priority outranks an exactly-named one. Preferring `exact` would inspect a rule Gitea might not be applying: if the exact rule requires `review-verdict/h10` and a higher-priority glob rule does not, the gate auto-grants on a base where the check is not enforced. `undecidable` is now evaluated FIRST, which makes the classifier sound without knowing the precedence rules at all — the only claim this code is entitled to make about somebody else's resolver. M3 — four tests could not distinguish "classified correctly" from "classifier crashed", because a dead classifier lands on the generic could-not-read ask and they asserted only `"ask" in reason`. Measured with the reviewer's method rather than argued: injecting `error(...)` at the head of the jq program left 2 of them red; the strengthened assertions leave 6. The glob arms now pin the text unique to the undecidable ask, and the decidable arms assert the rule was HONOURED rather than referred to a human. Also: the module docstring still described a three-arm contract after this change added a fourth; the inventory row still summarised the old two-way behaviour; the ASCII-only case fold is now stated as a deliberate under-match rather than as parity with EqualFold; the live-config claim is dated; and one jq call rejoined the file's `|| true` discipline. A `trap ... EXIT` for temp-file cleanup was tried and REVERTED: it suppressed the hook's decision output entirely and took 20 tests red. A gate that prints nothing is the one outcome it must never produce, so the tidier construct loses to the one that works, with the reason recorded where the next person will try it. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 19:47:06 +02:00
timothyandClaude Opus 5	cd1b286378	fix(778): backslash is a metacharacter too, or the none arm's proof does not hold ... Self-found while stress-testing the superset claim I introduced one commit earlier — the crux the new classifier's safety rests on. `none` authorises a DENY on the stated grounds that nothing can possibly govern this base, so its premise must hold unconditionally, not usually. The superset was "literal prefix + .* + literal suffix", which is sound for every glob dialect EXCEPT one case: gobwas/glob reads `\{` as a LITERAL brace, so a rule `a\{b` governs the base `a{b`, while a superset treating `\` as an ordinary character builds `a\.*b`, misses, and denies a base that is in fact protected. Verified before and after: with `\` outside the metacharacter class the classifier answered `none` for that pair; with it inside, `undecidable` -> ask. 18 adversarial rule/base pairs (brace alternation, negated and ranged classes, `**`, leading and trailing metacharacters, unicode, empty alternation) all answer `undecidable`, never `none`, so no dialect-matching case falls through the deny arm. Git ref rules make this nearly unreachable — a branch name may not contain `*`, `?`, `[` or `\` — but `{` IS legal in one, and "nearly unreachable" is not the standard for the arm that issues a deny. Checked with `git check-ref-format` rather than assumed. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 18:59:36 +02:00
timothyandClaude Opus 5	456042ee51	fix(778): stop claiming parity with Gitea's glob matcher — classify, or ask ... Eighth cold review: no Blocker, no High. Three Medium, two Low, one Nit. MEDIUM — the substantive one. The glob fallback asserted it matched rules "the same way Gitea applies them", and it does not. Gitea compiles a rule name with gobwas/glob and a `/` separator: its `*` does NOT cross a slash, `?`/`[…]`/`{a,b}` are wildcards, and a plain name is folded case-insensitively. Mine used `.*` for `*` and escaped the rest. The divergence has a false-OPEN direction — `release/*` does not govern `release/26/hotfix` in Gitea, but `release/.*` matched it here, which would auto-grant a scheduled merge on a base where the check is not required. That is #622's hole, reached through the block written to close it, via exactly the failure this PR records: a claim about an external system asserted rather than verified. Reimplementing somebody else's glob dialect would be a second copy of a parser, which this repo has already withdrawn a change for. So the classification is three-way and each arm is safe WITHOUT knowing the dialect: an exact non-glob name folded case-insensitively is decidable; a glob rule that could govern the base is UNDECIDABLE and asks; and "could" is tested with a provable superset of any glob dialect — literal prefix, `.*`, literal suffix — so if even that cannot match, no dialect can. Over-matching would grant on unestablished protection; under-matching would deny with a false cause. Asking is the only answer honest in both directions, and it is rare: this repo's rule is the plain name `main`. MEDIUM — a count that was wrong the moment it was written ("46 of the 69 rows are N/A"; it is 44). It was added by the same commit that demoted two rows. That is the FOURTH stale number in this change, in the deliverable whose own record argues against hand-maintained counts. Removed rather than corrected, with the reason stated. MEDIUM — `migration-smoke.sh` still said "Same shape" as `security-scan.sh`, whose note had just been rewritten to the opposite conclusion, so the backreference had silently inverted. It is the same pull-then-run over a mutable tag and deserves the grade MORE, not less: `security-scan.sh` boots a throwaway container and authorizes nothing, while this gates a production stack recreation. Regraded. LOW/NIT: an `end <= start` guard that `str.index(…, start)` makes unreachable by construction is replaced with the reachable failure it was describing; a docstring still named a fixture from an earlier draft; a reflowed `#707.` was line-initial. Two mutations were ineffective on the first attempt — one left the `decide ask` continuation in place, the other had no test covering case-folding. Both redone; each arm now reddens a named test. Decisions-Edit: yes refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 18:52:18 +02:00
timothyandClaude Opus 5	7db4101b24	fix(778): the escape emitted TWO backslashes, turning a false-open into a false DENY ... Seventh cold review. One High, one Medium, three Low, seven Nit — all in the two newest commits, which is where every round of this PR has found its defects. HIGH, and it is my own fix from the previous commit. In jq source `"\\\\"` decodes to TWO backslashes, so escaping produced `\\.` — "a literal backslash, then any character" — instead of an escaped dot. Every rule name containing a metacharacter became UNMATCHABLE, and a rule named `a[b` crashed jq outright (swallowed by `|| true`). Verified: `release/26.*` no longer matched base `release/26.4`, so the fallback found nothing and hard-DENIED with the stated cause "has NO branch protection at all" — converting a false-open into a false deny, which the block's own comment calls the worse outcome. One character: `"\\" + .c`. Correct across 14 rule/base pairs. WHY MY TEST MISSED IT, which is the transferable part: it asserted only the NEGATIVE direction (`mai.` must not match `main`). A rule matched literally and a rule made unmatchable both fail to match the wrong base, so the assertion passed for the wrong reason. Only a rule that SHOULD match separates them, and there was no positive control. There is now — plus a char-class case — and both go red against the over-escaped version. That also needed a base containing a dot: a rule cannot carry a metacharacter and still match `main`, so the first attempt at the positive control was unsatisfiable by construction. MEDIUM — four live claims that the population "derives from the filesystem", left standing by the commit that replaced that mechanism: the guard's own docstring 45 lines above a comment shouting the opposite, the inventory heading 21 lines under "Every git-tracked file", the docs/README entry, and — worst — the record's `mechanics:` frontmatter, which is the copy the catalog and MemPalace mirror, so discovery would have returned the superseded lesson. All corrected. LOW/NIT: the URL-encoding test grepped the source for `@uri` (it now asserts the URL actually requested, and reddens when the encoding is removed); the hoist comment said "every path below" without noting the docs-only enumeration above it (bounded — that path is a passthrough to a human prompt, never a grant); a now-unreachable guard is annotated rather than left reading as live; `issue-qualification-audit.sh` was `N/A` while `select-queue.sh` was `UNSAFE-KNOWN` on the same argument, and `security-scan.sh` claimed "one step" for a pull-then-run over a mutable tag — both regraded; the `PINNED` definition now says what separates its second shape from an `N/A` "one step" row (the identifier's immutability, not the step count); the section parser raises a message naming both required headings instead of a bare ValueError; and the record's body is rewrapped. Decisions-Edit: yes refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 18:21:04 +02:00
timothyandClaude Opus 5	01de6cbd8b	fix(778): * is the only wildcard — a rule name's regex metacharacters were live ... Found by attacking my own glob fallback from the previous commit before the reviewer got to it, which is the round where this PR's defects have landed every time. The 404 fallback matched a branch-protection rule by substituting `*` into a raw regex, leaving every other metacharacter active. Verified directly: a rule named `main.x` matched the base `mainax`, and `a+b` matched `aab`. The direction is the one that matters — a spurious match to some OTHER rule that happens to require `review-verdict/h10` reports this base as protected when nothing governs it, so a consent gate answers yes on evidence about a different branch. Each literal segment is now escaped before the pattern is assembled, so the wildcard survives and nothing else does. Verified across 11 rule/base pairs: metacharacters are literal, `*` still spans, exact and non-matches unaffected. The regression test needed two goes to stop being vacuous, both times for the same reason the rest of this PR keeps hitting: the stub never 404'd for the new mode, so the run denied earlier via the by-name lookup and never reached the fallback at all. It now goes red against the unescaped predecessor. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 18:01:42 +02:00
timothyandClaude Opus 5	4261f76dd2	fix(778): derive the population from git, not the disk — the guard was red on every dev checkout ... Sixth cold review (a different reviewer, in-repo, worktree-isolated after the cross-family runs wedged twice on their sandbox). One High, one Medium, two Low, two Nit. All fixed. HIGH, and it is the third time this population has been wrong. `rglob` is recursive, so it also enumerated `.husky/_/` — 17 husky shims generated by `npm ci` via web/package.json's `prepare`, gitignored and untracked. The guard therefore derived 76 files against a 59-row table and was RED on every checkout that has run `npm ci`, while staying GREEN in CI, whose `script-tests` job checks out and pip-installs but never runs `npm ci`. A guard that fails everywhere except where it runs is the fastest possible route to "that test is always broken, ignore it" — on the artifact whose entire thesis is population correctness. Reproduced, then fixed at the source rather than with a fourth traversal patch: the population now comes from `git ls-files`. The index is authoritative, identical for CI and every checkout, and excludes untracked build output by construction instead of by an exclusion list someone must maintain. That is what this PR's own record says to do; the first three attempts each derived from whatever happened to be on disk. Three tests go red against the rglob predecessor. MEDIUM — twin-missed, in the fix from the previous round. Round 4 re-read the base before the branch-protection lookup, inside the scheduled branch only, leaving the #632 retarget DETECTION still reading the top-of-hook snapshot. The reviewer demonstrated it with this PR's own fixture: scheduled+retarget denied while immediate+retarget AUTO-GRANTED. The re-read is now hoisted above every base-dependent consumer, so one read serves both paths, and the duplicate is gone. Note for the record: the hoist is the load-bearing part — once `live_base` is fresh, #632's own comparison catches the retarget too, so the explicit deny only bites when no verdict records a base. The tests are scoped to exactly that case, because as first written they passed under mutation. LOW — a 404 from `branch_protections/<ref>` does not prove the branch is unprotected. Gitea keys that endpoint on the RULE name, so a base covered by a glob rule 404s while being fully protected, and an unencoded ref containing `/` (`release/26.4`) 404s because the path is malformed. Both produced a hard deny stating a specific, false cause — and a deny blocks outright rather than prompting. The ref is percent-encoded, and a 404 now consults the rule list before denying; an unreadable list asks. LOW/NIT — the scope prose attached the extension restriction to `scripts/` alone while the guard applied it everywhere (a `.py` hook would have joined the described scope and acquired no row); `.yaml` workflows are now in scope too. The `PINNED` definition required re-validation, which two legitimately-pinned rows do not do because their check and use are one step over an immutable event-payload sha. Row ordering restored. And once more, the recurring one: adding a scope TABLE to the doc made three prose rows parse as inventory sites — the parser reading its own documentation as data, the same defect as the UNSAFE-KNOWN check that once parsed the paragraph defining UNSAFE-KNOWN. Row parsing is now bounded to the inventory section explicitly. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-19 17:53:25 +02:00
timothyandClaude Opus 5	f1e9cce4ae	fix(778): round 4 — the guard was checking a stale base, which is the defect it enforces against ... Fifth cold review: no Blockers, no Highs. 1 Medium, 1 Low, both fixed here. It also confirmed the #803 deferral is sound and re-verified every count (59 files, 69 rows, 3 PINNED; guards 34/5/15, proofs 8/6/20). MEDIUM — and it is the one worth the round. The branch-protection lookup used `$base_ref` from the PR snapshot taken at the TOP of the hook, and everything between is round trips (the file enumeration alone can be forty pages). A PERSISTENT retarget in that gap needs no ABA and no force-push: the lookup names the OLD base, confirms `review-verdict/h10` on a branch the PR no longer targets, and grants a scheduled merge onto one that may require nothing. The guard written to enforce "checking a stale identifier is not checking" was doing exactly that. The base is now re-read and compared immediately before the lookup; a move denies and names both branches. Mutation-proven. LOW — my caveat erred in the rare direction, understating a clause instead of overstating it. The scalar-row test's docstring called the whole `.statuses` member validation defence-in-depth because the #632 block masks it. That block validates `.context` and `.description` but NOT `.status`, so an object row with a numeric status passes it and does reach the new validator — where without the clause it becomes `vstate=7` and is reported as "the verdict is '7'" rather than as an unreadable payload. The caveat is now scoped to the payload rather than the clause, and the reachable case has its own test, also mutation-proven. The inventory row now conditions the guarantee on BOTH of its preconditions — the PR still targeting that base (fixed here) and the protection still standing (cannot be closed here, and said so). refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 15:31:49 +02:00
timothyandClaude Opus 5	8e02b9961d	fix(778): round 3 — fix the overclaim I left in the code, and defer the pre-existing ones to #803 ... Fourth cold review: no Blockers, 2 High / 2 Medium / 2 Low. It independently re-derived the population (59 files, 59 sites, 69 rows, 3 PINNED) and verified every numeric and factual claim in the diff, including the corrected confinement rationale. THE ONE THAT STINGS. The grant reason string still said a commit pushed before Gitea merges "will clear it and block the merge" — the exact sentence the new decision record quotes as THE overclaim this issue exists to remove. I documented it in three files and left it in the code a human actually reads. It now states the guarantee and its condition: the required check was confirmed rather than assumed, and it holds while that branch protection stands. FIXED HERE (all in files this PR already touches): - enable_status_check is validated as a BOOLEAN. `"true"` is not `true`, and comparing the string to `true` produced a confident deny from a payload never understood — the tri-state collapsing to two, the same defect as the contexts shape one line down. - `.statuses` members are validated, not just the array (see the honest caveat below). - the docs-reminder N/A rationale said "the job cannot fail and never reaches the combined status", which is false — any job's status joins the combined state. The true, narrower reason is that its fetch and diff are failure-swallowed, so the remote read can only change the warning's wording. - docs/README names the scripts/tests exclusion in BOTH statements. A VACUOUS TEST, CAUGHT BY ITS OWN MUTATION PROOF. The regression case for the `.statuses` member validation stays GREEN against the predecessor: the #632 base-retarget block runs first and already validates every member it consumes, so it catches the payload before the scheduled branch is reached. The two guards overlap — duplicate guards masking each other, again — which makes that finding LATENT, not live, and my added clause defence-in-depth rather than a fix. The test now asserts the observable contract (a decision is always emitted) and says plainly that it is not a mutation proof of the newer clause. Shipping it as one would have been the exact grade inflation round 2 rejected. DEFERRED to #803, with the reason stated rather than implied: a head-ABA (force-push H1 -> H2 -> H1 during pagination) defeats pr-changed-files.sh, and three OLDER contracts still assert more than the new inventory rows do. That residual predates #778 and lives in #707's mechanism; correcting another active decision record inside a PR already at four review rounds is how a scoped change stops being reviewable. The inventory rows are accurate today and now point at #803. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 14:15:24 +02:00
timothyandClaude Opus 5	25048d9ea4	fix(778): round 3 — the fence covers BASE aliasing only, and stop citing a moving count ... Third cold review: no Blockers, 1 High / 5 Medium / 1 Low / 1 Nit. All accepted. It independently re-derived the 59-file population and matched it against `find`, so the traversal that was wrong in rounds 1 and 2 is now verified rather than argued. HIGH — the ABA claim was too broad. `ci.verdict-write-retarget-fence` counts `change_target_branch` events, so it fences the BASE axis and nothing else. A force-push H1 -> H2 -> H1 during pagination leaves the final `.head.sha` comparison equal while the middle pages were enumerated against H2, and no counter moves. Two rows implied the fence covered that; both now state the head residual as real and unfenced, with what closing it would take. Also: the record still said the scheduled-merge residual was "closed one layer down" by the branch protection an admin may have removed — the circular sentence that was rewritten in the inventory last round and left standing in its twin. The hook header still called an immediate merge "sound". Both now describe the bounded window. `docs-reminder` was over-demoted by grouping it with `decisions-guard`: it cannot fail its job, so it authorizes nothing and is N/A, while `decisions-guard` reaches the combined status. Split, per this file's own rule that differing classifications get separate rows. Over-demotion is a defect too — it makes the column noise. The scope heading and the docs/README entry now name the `scripts/tests/` exclusion explicitly, so nobody adds a remote-reading test executable expecting a red guard that stays green, and a wrong limit cross-reference is corrected. The exclusion's justification was also factually false — it claimed the only network calls were to PATH stubs, but test_hook_fire_log.py starts a real http.server on 127.0.0.1 and drives it with real curl. The exclusion stands on confinement, not on absence, and now says so. COUNTS. "4 of 68 PINNED" was wrong (3), and rewriting it as "3 of 68" went stale in the same commit when splitting a row moved the denominator to 69 — three stale figures in three rounds, in the record warning against exactly this. The exact denominator is gone: three rows survive as PINNED out of roughly seventy, and the load-bearing claim is "almost nothing is pinned", not an integer. A hand-maintained count is a second copy of the table; guard-inventory.md gives its counts an equality check because they ARE the point, and a rationale record should not pretend to. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 13:58:40 +02:00
timothyandClaude Opus 5	84b4c11188	fix(778): round 2 — recursive population, and grade down five more overclaims ... Second cold review: no Blockers, 4 High / 1 Medium / 2 Low. All accepted. POPULATION, WRONG A SECOND TIME. Round 1 removed a content filter that had omitted `git fetch`. Round 2 found the replacement traversal used non-recursive `Path.glob`, so four nested files were still outside it — including scripts/scripted-schedules/entrypoint.py, which calls get_context() against a live ErsatzTV server and then drives define_content/reset_playout/build_playout off the result. Now rglob, with scripts/tests/ as the single stated DIRECTORY-level exclusion (a scope choice, reviewable in one line; not a predicate over content). Population 55 -> 59, rows 63 -> 68. The generalisation is in the record, because the deliverable made the same mistake twice: the scope may be hand-written, but anything narrowing the POPULATION has to be executed and its output compared against the filesystem — the members it drops are invisible by construction. That is the #774 rule turned on the artifact meant to enforce it. FIVE MORE OVERCLAIMS GRADED DOWN. Both merge-consent head/base rows (the hook returns `allow` and a separate call merges, so the window is small, not absent — "no async window" was simply false); the release smoke pull and the ci-image verify (the concurrency group is PER-REF, so a branch build and a tag build of one commit can publish the same :<short-sha>); and the workflow base-fetch rows, which are not advisory — the merge hook reads the COMBINED status, so any red context blocks the auto-grant. Also fixed a stale cross-reference where the enumeration row still said it "inherits that row's pins" from a row graded down in the same commit. Four PINNED rows survive out of 68. That ratio is the honest finding. CIRCULAR JUSTIFICATION REMOVED. The scheduled-merge row said its residual was "closed one layer down" by the very branch protection an admin may have removed. It is not closed, it is BOUNDED by a trust assumption, and the row now says so. Low: jq's `//` fires on `false` as well as null, so `status_check_contexts: false` was defaulted to [] and produced a confident deny from a shape never understood — absent and null are now defaulted explicitly, everything else is "unknown". And the title sentence claimed "every executable in this repo" while the guard covers four directories; both it and the docs/README entry now say what is actually enforced. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 13:44:10 +02:00
timothyandClaude Opus 5	a0849eec58	fix(778): address the cold review — drop the population filter, grade down three overclaims ... Independent cross-family review (Codex, cold brief, read-only worktree) returned BLOCKED with 9 findings. All 9 accepted; #5 partially, keeping one row PINNED with its justification stated. POPULATION (the finding that mattered most). The derivation filtered the scope by an outbound-network token list and argued that was a scope choice rather than a population filter. It omitted `git fetch` — this repo's most common remote read — so prepush-rebase-check.sh, which fetches origin/main and derives a PUSH DECISION, was structurally invisible to a guard claiming to cover "every executable that reads live remote state", along with three others. The defence offered was that over-inclusion is the safe direction; the filter also under-included. The content filter is gone: the population is now all 55 files in the scoped directories, and a file that reads no remote state carries an explicit N/A row. OVERCLAIMS, graded down. Three rows asserted more than the code does: - the scheduled-merge path was PINNED while the hook's own comment concedes the branch-protection read pins nothing → UNSAFE-KNOWN, "preflight, not a pin"; - pr-changed-files.sh was PINNED and claimed "any movement fails", but before-and-after equality is ABA-vulnerable (main → scratch → main) → UNSAFE-KNOWN, pointing at the caller-side event-count fence that does close it; - the CI toolchain image was PINNED on a mutable TAG, against this file's own definition naming a digest → UNSAFE-KNOWN. The release smoke pull stays PINNED: it pulls the tag the same concurrency-serialized job just pushed. The guard-inventory MUTATION regrade is reverted to BEHAVIOUR-ONLY (8/6/20). The review is right on species: the test feeds the real script an input the clause rejects, which this table explicitly defines as behaviour-only and has already regraded three rows for. A manually-executed disarm does not change what the test is. TWO REAL FAIL-OPENS FIXED: - jq `index()` on a STRING is substring search, so a status_check_contexts arriving as "prefix-review-verdict/h10-suffix" answered yes and would auto-grant. Membership is now exact equality over a value first proven to be an array of strings. - post-review-verdict.sh guarded both re-read comparisons with `[ -n "$x" ] &&`, so a 2xx body that merely omitted .head.sha or .base.ref made the check a no-op and the status was posted having confirmed nothing. That second fix carries a lesson worth the line: the obvious mutation (disarm the new `-z` arm) stays GREEN, because the unconditional `!=` also rejects empty — the two overlap, exactly the duplicate-guards-mask-each-other shape. The proof is taken against the REAL predecessor with the `-n` conjunct restored, which goes red showing returncode=0 and a status written. Also: 404 is now separated from 403/transport (an unprotected branch is the strongest form of the finding; `curl -sf` collapses both to an empty string), and the positive control asserts the decision is `allow` and that the endpoint was actually reached, rather than the absence of one phrase. refs #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 13:20:42 +02:00
timothyandClaude Opus 5	fe578c5864	feat(778): name the check-and-use race, and verify the protection the merge gate rests on ... #773 §3 Family D is the one class its taxonomy had no bucket for: a check and the action it authorizes are separated in time over state that can change in between, with nothing pinning a version (#536, #622, #632, #706, #707). The repo had already solved this twice without noticing it was one problem — a compare-exchange claim in-process (ffmpeg.work-ahead-slot-atomic) and RFC 7232 If-Match across /api/v1 (concurrency.ifmatch-rfc7232) — and then solved it a third time from scratch for the tooling at #706/#707. Hence a class-level record rather than a fourth per-instance one. What the enumeration actually found, which none of the five records predicted: the merge-consent hook's scheduled-auto-merge path is safe only because `review-verdict/h10` is a REQUIRED status check on main. That is branch-protection CONFIG, it lives outside this repo, nothing compared the two, and the hook asserted it in a comment AND in the grant reason a human reads. Switch the context off and every word of that sentence is false while the hook keeps printing it and keeps auto-granting. The hook now reads the branch protection and treats it as three outcomes: present proceeds, unreadable asks, absent denies. Two defects were caught by the new checks themselves rather than by review: - the population test found .gitea/workflows/dependency-scan.yml absent from the first draft of the inventory (a sixth workflow the recon slice never listed); - self-review found the guard denying with a confident wrong reason when jq errors one level down on a malformed contexts member, so the word is now matched exhaustively rather than compared against "yes". Same swallow that survived the first fix in the #632 base-change guard. Detector D has no plausible linter, so the detector is detector A applied to an enumerated inventory: docs/remote-state-inventory.md classifies every in-scope executable, and scripts/tests/test_remote_state_inventory.py derives the population from the filesystem and asserts set equality both ways. Deferred with reasons stated in the inventory: select-queue.sh (advisory, authorizes no write), ci-detect-already-validated.sh (skip elides re-validation only, the image still builds), review-verdict.yml's status POST (Gitea offers no conditional write; already fenced by #706's retarget counter). Mutation proofs witnessed for both new guards, clause-level, not whole-file. fixes #778 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-16 12:57:04 +02:00
3 people	15d2439915	feat(794): witness a fix's test failing BEFORE the fix, and check the claim in CI (#801) ... Mechanises the defect that took #776 and #793 six review rounds each: a fix's test written to confirm the fix, not to discriminate against its absence. testing.guard-ships-with-mutation-proof generalised from guards to fixes. prove-fix.sh runs the selector at the commit (control, must be GREEN) and again in a separate fresh worktree with the non-test files reverted (must be RED = pytest exit 1 exactly; 2/3/4/5/143 are refused, and --continue-on-collection-errors keeps add-a-file fixes provable). pytest's status comes from a marker written only after it returns, because ( cd X && pytest ); rc=$? returns the SUBSHELL's status. Opt-in by a Proves: trailer; CI checks every commit that carries one and says out loud when a PR has none. THE TOOL REJECTED ITS OWN AUTHOR. Three commits on the branch claimed Proves: scripts/tests/test_prove_fix.py; the job returned UNPROVEN for all three, because reverting the script restored a working earlier version the suite also passed. Two had been "verified" against hand-written mutants that did not match the code that actually shipped. The tests were rewritten until both go RED against 587edbecc — whose script emits "red without it (pytest exit 2)", a witnessed false PROVEN. This branch deliberately carries no Proves: trailer: the only one that would pass does so because reverting deletes prove-fix.sh, an add-file smoke check rather than a proof of its logic. The logic proof is a clause-level mutation that re-runs the unchanged refusal test against a mutant and witnesses it red (graded MUTATION). fixes #794 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-16 10:24:59 +00:00
timothyandtimothy	499dd348ab	feat(776): every hook reports that it fired, and the report is measured (#795) ... Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-14 19:11:05 +00:00
timothyandtimothy	84165ab755	fix(797): the BOM guard was fail-open wherever xxd is not installed (#798) ... Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-14 16:50:59 +00:00
timothyandClaude Opus 5	fb258522ac	fix(774): cover the WRITE side too, and name the read-side test what it actually is ... Cold review of the rescue returned BLOCKED on two, both fair. THE SUBSTANTIVE ONE: the deleted parity test checked disjointness on BOTH scripts; the rescue covered only the read side. Review demonstrated the gap rather than asserting it — adding `BLOCKED` to post-review-verdict.sh's SUCCESS arm produced an overlap the deleted test caught and the rescue did not, because the rescue never executes that script. That was a real, undisclosed loss, and it is the second time in two commits that removing something dropped an invariant nobody enumerated. So: test_post_review_verdict.py::test_each_verdict_word_posts_its_established_polarity `case` takes the FIRST matching arm, so a token in both arms is not ambiguous — it resolves to whichever comes first, exactly as `is_pos` wins on the read side. Same consequence, and it is the one that matters: a word a reviewer means as BLOCKED posting `success` writes a GREEN `review-verdict/h10`, the required context branch protection honours. Mutation-proved with the exact case review cited: `BLOCKED` in the success arm -> the test names it and reddens. THE NAMING ONE, and it is the mistake I keep repeating: the read-side test called itself a disjointness test and its docstring said "no word may be in both vocabularies", while it pins the observable classification of five hardcoded tokens. For a UNIVERSAL property an omitted token is not a vacuous pass, it is precisely the untested member — the record's own warning. Renamed to test_each_verdict_word_retains_its_established_polarity and the docstring now scopes itself to the five words. Both surviving tests are polarity regressions, not disjointness and not parity. The inventory now enumerates all seven invariants the withdrawn file asserted and says where each went — five retired to #788, two rescued as per-script polarity. Enumerating on removal is `process.enumerate-workaround-behaviors-before-deleting`, which this branch has now failed twice and should stop failing. 584 script-tests pass, pyright clean, decisions-validate OK. ruff reports one S105 in test_post_review_verdict.py:103 — PRE-EXISTING and a known false positive on a test stub (identical on origin/main, my additions start at line 335); it is #780's territory. (--no-verify: pre-commit hook exceeds the tool timeout; its checks were run explicitly.) Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 23:31:34 +02:00
timothyandClaude Opus 5	b8f60bdec4	fix(774): rescue the disjointness invariant the deletion silently took with it ... Cold review of the deletion caught what the deletion itself missed: the withdrawn parity test carried a SECOND, separable invariant. `test_no_word_is_both_positive_and_negative` had nothing to do with parsing shell — it prevented a verdict token belonging to both vocabularies, which matters because `check-review-verdict.sh` sets `is_pos` and `is_neg` from two INDEPENDENT `grep -iqE` calls. Deleting the file took it along, undisclosed. That is `process.enumerate-workaround-behaviors-before-deleting`, and I did not enumerate. Rescued BEHAVIOURALLY, which is why it survives where its parent could not: it EXECUTES the real classifier rather than reading its source, so no shell construction can fool it. The word list is a literal, and per `testing.guard-derives-population-from-source` that is legitimate here — the property is PER-MEMBER ("each of these classifies as exactly one thing"), not a completeness claim, so a word missing from the list is untested rather than concealed. It is explicitly NOT a claim that these are the only words the scripts accept; proving that still needs #788. THE MUTATION RUN CORRECTED THE DOCSTRING, which had been written first — the wrong order, and the third time this session that running a mutation contradicted something already asserted. Adding `mergeable` to NEG_RE left the test GREEN. Reading check-review-verdict.sh:212 explains it: `if [ "$is_pos" = 1 ]; then head_pos=1; else head_neg=1; fi` means `is_pos` wins, so that edit has NO observable effect — NEG_RE is shadowed by POS_RE for any overlapping word. The real direction is the reverse: adding `blocked` to POS_RE makes `BLOCKED` classify `positive`, and the test goes red naming it. Both mutations are now recorded in the docstring as measured, with which one is caught and why the other has nothing to catch. Also closed from the same review: issue #788's BODY still described the parity test as the live interim measure with an unticked "delete it" box, while only a later comment recorded the withdrawal. The body now carries a status banner, strikes the superseded line and ticks the box — fixed on the issue, since a stale first bookkeeping surface is the same defect class this branch fixed in post-review-verdict.sh. ruff clean, pyright clean, decisions-validate OK, 579 script-tests pass. (--no-verify: the pre-commit hook exceeds the tool timeout; its checks were run explicitly.) Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 23:18:51 +02:00
timothyandClaude Opus 5	8f02e4a284	fix(774): withdraw the vocabulary parity test — six rounds is the answer, not a seventh ... Round six returned BLOCKED on the same file again: a column-zero `esac` inside a string truncates the scoped match and silently drops a real arm, and a heredoc inside the block still false-reds. Both correct. Both the sixth distinct shell construction found in six rounds. That is no longer a sequence of bugs, it is a result. A regex over shell source is not a shell parser and cannot be made into one, and each round's fix was locally right while the sequence converged on nothing. The file's own docstring told the next session not to get on this treadmill; the honest reading is that it should not have been built. DELETED rather than patched again. The reasoning is this change's own thesis, applied to itself: `testing.guard-derives-population-from-source` says the answer to a missing authoritative source is to CREATE one, never to approximate it with a predicate over text — and detector C says two copies of one rule get deduped, not compared. The right fix was available from the start and is #788. What I built instead was the weak detector the record warns against, and six rounds of a reviewer falsifying its prose is the empirical proof. A guard whose accompanying prose can be falsified every round is worse than no guard, because by this record's own argument a guard described as sound stops being re-examined. WHAT IS LOST, stated plainly: the duplication is real and is now UNMITIGATED. The two vocabularies in post-review-verdict.sh and check-review-verdict.sh can drift, and only a comment says they must not. That comment now says so explicitly, names #788 as the fix, and no longer claims a test is holding them together. WHAT IS KEPT: the finding itself (the duplication, the stale breadcrumb pointing at the merge-consent hook that carries no copy), the corrected comment, #788, and a new section in the #774 record recording this as the worked example of "a weak detector is itself the symptom-keyed mistake" — demonstrated rather than argued. Inventory updated: 31 guards / 4 tooling / 12 proof, 4 MUTATION / 6 BEHAVIOUR-ONLY / 21 NONE. The withdrawal is recorded IN the inventory, since that is where a future session will look for the guard and find it missing. Its count-parity guard verified the new numbers itself. decisions-validate OK, 574 script-tests pass (six removed with the file). (--no-verify: the pre-commit hook exceeds the tool timeout; its checks were run explicitly.) Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 23:07:35 +02:00
timothyandClaude Opus 5	49fe17336b	fix(774): scope the scan to the case block — fixing the INPUT, not adding a fifth epicycle ... Round five. The confirmation review closed Q1 (the unquoted-value escape is gone) and found two things left: the file still described every loose match as a case ARM, and `_ANY_CASE_ARM` could false-RED on a `<word>) state=` inside a heredoc, a compact comment or an unrelated case statement. Both had one cause, and it was not the regex. Both patterns read the WHOLE FILE when their subject is a single `case` block. No amount of widening or narrowing fixes a wrong input — that is the treadmill this file's own docstring told the next session not to get on, and round five would have been the first step of it. The scan now reads only between `case "$verdict" in` and its `esac`. That removes the entire false-positive class at once, and it makes the "every case arm" language TRUE rather than nearly true — the overclaim and the false red were the same defect described from two sides. If the block cannot be located the helper REFUSES: falling back to the whole file would silently restore the false reds, and returning empty would make every assertion vacuous. Also from the same review: comparison is now a MULTISET rather than a set, so two arms sharing a label cannot let an unparsed occurrence hide behind a parsed twin — the same rule as testing.enumerating-guard-identity-not-position. And the failure message no longer offers two causes that scoping has since eliminated. Proven both directions: a heredoc containing `SHIP-IT) state=success ;;` leaves the suite green; the same line inside the case block reddens it. The limits list is updated, and records the removed class deliberately — it shows which fixes are worth making. What remains are same-line-shape misses, which really are regex-bound; the false-positive family was an input-scope bug wearing a regex costume. ruff clean, pyright clean, 580 script-tests pass. (Committed with --no-verify: the pre-commit hook exceeded the tool timeout on the previous commit; decisions-validate and the full suite were run explicitly above.) Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:58:22 +02:00
timothyandClaude Opus 5	f89da6a197	fix(774): strip comments before the loose scan — the widening could false-RED a correct tree ... Self-audit of the round-four fix, before its confirmation review returned. Making `_ANY_CASE_ARM` permissive by construction closed the miss and opened the opposite failure: `#FOO) state=bar` — a comment with no space after the hash — satisfies the loose pattern and not the strict one, so it would be reported as an unparsed case arm on a completely correct tree. That direction matters as much as the miss did. A guard that reddens a correct tree gets deleted, and then catches nothing at all — which costs more than the construction the widening was for. Comments are now stripped before both scans, the same treatment the hook wiring check already needed for the same reason. Narrow: `# FOO) state=bar` with a space never matched, and the real file contains no such line today. Fixed anyway, because "narrow" is how each of the previous four rounds started. Proven three ways: a comment mentioning a hypothetical arm leaves the suite green; a real unquoted `SHIP-IT) state=success ;;` arm still reddens; clean tree green. ruff clean, pyright clean, 580 script-tests pass. Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:52:54 +02:00
timothyandClaude Opus 5	96a67c7e76	fix(774): the loose extractor shared its subject's blind spot; stop claiming the limit list is exhaustive ... Round four, one Medium, and it lands on the defence rather than the code: the change argued that its residue was acceptable BECAUSE it was accurately disclosed, and the disclosure was wrong within one round. `SHIP-IT) state=success ;;` is valid shell selecting `success`. Both extractors required the double-quoted spelling `state="success"`, so the LOOSE one missed it too — `unparsed` stayed empty, the vocabularies stayed equal, everything stayed green. A completeness check that shares its subject's blind spot is not a completeness check. The bug was structural, not about quoting. A loose counterpart must be permissive BY CONSTRUCTION; mine was merely a little wider than the strict pattern, so the one thing it could not see was the one thing it existed to find. It now matches `state=` with any value form and lets the strict pattern's failures surface as a difference. Proven on three arms — unquoted, single-quoted, and a differently-named double-quoted one — each red, clean tree green. The disclosure is corrected too, and this is the part worth keeping. It said "KNOWN LIMITS, ENUMERATED", which reads as exhaustive and was false one round later. It now says the list is NOT exhaustive, records that this very entry was the one it missed, and ends with "whatever the next round finds. Assume this list is one short." Four rounds have each produced another construction; claiming completeness over a regex on shell source is the overclaim the whole change argues against. Test renamed to test_the_strict_extractor_consumed_EVERY_case_arm_THE_LOOSE_ONE_FOUND, since the old name asserted more than the code could deliver — and the inventory guard immediately went red on the now-stale proof ref, which is exactly the drift it was built to catch, catching its own author one commit after being written. ruff clean, pyright clean, decisions-validate OK, 580 script-tests pass. Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:48:53 +02:00
timothyandClaude Opus 5	e746ba5504	fix(775): resolve the record's two competing standards; close the templated-image hole; state the predicate limits ... Third review round. Of the eight findings from round two, five were closed; this addresses what remained, and the split between "fixed" and "stated" is deliberate. FIXED — the record could not adjudicate. Its frontmatter `rule` required disarming the guard's clause; the body added an input-mutation standard for guards that ARE tests. Two incompatible criteria in one active record means one reviewer rejects the self-referencing MUTATION rows on the frontmatter and another accepts them on the body. The exception is now IN the rule with its limits: admissible only for checker-guards, only when executed and witnessed, never a licence to grade a script-guard MUTATION for having a bad-input test, and a file-level grade covers the clause its cited case mutates rather than every assertion that later lands in the file. FIXED — a matrix-templated image bypassed the cross-workflow check. `_PIN.match` requires a literal tag, so `image: <repo>:${{ matrix.tag }}` in another workflow ran on the toolchain image while the check reported none. Now keyed on the image REPOSITORY, so a templated tag is reported rather than skipped — it is a fault in its own right, since nothing could then verify which image ran. Proven: a probe workflow with exactly that construction is caught, removed, green. STATED, NOT PATCHED — the remaining three findings are all one shape: a regex over shell source cannot be made complete. Each round found another construction (a case arm whose first command is not the assignment, an indented reassignment, a basename inside `: # ... disabled`), and a fourth round would find a fifth. This repo has already paid three rounds for exactly this class at #629, #633 and #698. So the limits are now enumerated in the files themselves rather than left for the next reader: - the parity extractors list the three constructions that escape them, say what they DO catch (the realistic same-style edit on one side only), and say plainly that this is not a proof of semantic equality between two shell programs; - the inventory records that hook wiring is a substring test for the basename, so it catches deletion but not deliberate disablement. Both name the issue that removes the underlying duplication (#788), and the parity file tells the next session NOT to invest another widening round. Also outstanding and tracked, not silently dropped: PROOF/GUARD roles and MUTATION grades are per FILE, so a standalone invariant added to a PROOF file inherits its classification and a self-referencing grade does not cover clauses added later. That is clause-level inventory, which is #790. ruff clean, pyright clean, decisions-validate OK, 580 script-tests pass. Refs #774 Refs #775 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:36:08 +02:00
timothyandClaude Opus 5	0c5938dd60	fix(774): the wiring check counted a MENTION, reproducing inside the fix the defect it closed ... Self-audit before re-review, and it found one. `wired_hook_files()` was added to stop hook EXISTENCE standing in for hook WIRING — but it substring-matched the filename against the whole husky text, and `.husky/pre-commit:7` reads # CI where a base ref exists). Fail-open shim — see .claude/hooks/decisions-guard.sh. one line above the real invocation. Delete line 8, keep line 7, and the hook still reads as wired. That is mention-for-invocation, which is the exact substitution the function exists to prevent, one line inside the fix for it. Comment lines are now stripped from the husky hooks first; settings.json needs no stripping because JSON has no comments. Proven both ways: with the invocation removed and the comment left, the guard names decisions-guard.sh as unwired; clean tree stays green. Also verified rather than assumed, since a fix round is where adjacent defects live: - a stale SELF-referencing proof ref is still caught (the self-reference escape hatch skips only the PROOF-row classification check, not the def-existence check); - a reworded summary is LOUD, not vacuous — an unparsed summary fails with a message saying so, rather than silently checking nothing. ruff clean, pyright clean (0 errors) on the three new files. Deliberately NOT ruff-format-ed: the pre-existing scripts/tests corpus is not formatted either, so reformatting only these three would diverge them from every sibling and bake in a format derived from an un-versioned config on one machine — which is the divergence #780 exists to settle. 580 script-tests pass. Refs #774 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:26:25 +02:00
timothyandClaude Opus 5	3473a6c889	fix(774,775): close the cold-review findings — including three the change inflicted on itself ... Two independent cold reviews (Codex GPT-5.6 cross-family; Fable 5 on the patch) both returned BLOCKED. They agreed on the counts error and the extractor hole; each found things the other did not. Fixes, with what each was: THE INVENTORY DID NOT COVER ITS OWN NEW GUARDS. `_SCRIPT_REF` matched `scripts/name.py` but not `scripts/tests/*.py`, so the three guard files this change introduced had no rows and the completeness check stayed green. A completeness guard blind to its author's new guards is precisely the defect being legislated against. The population now globs `scripts/tests/test_*.py` — which is how they actually run, since pr-checks.yml invokes the directory. 32 rows -> 48. That forced a third Kind. Once test files are in the population, every mutation proof becomes a row wanting a proof of its own, forever. `PROOF` marks a file whose job is to prove another guard; a scripts/tests file enforcing a repo invariant with no separate guard behind it stays GUARD and may cite a mutation case in its own file. HOOK EXISTENCE WAS STANDING IN FOR HOOK WIRING. Deleting a hook's registration from .claude/settings.json left the population and the table unchanged, so the row went on describing a guard that no longer ran — #631's shape one level down. Now derived from settings.json plus the husky hooks. THE SUMMARY COUNTS WERE A HAND-KEPT MIRROR AND WERE WRONG ON ARRIVAL: "28 guards, 4 tooling ... 19 have none" against a table holding 27/5/6/3/18. Both reviewers found it independently. The prose is now parsed and asserted against the table. TWO FALSE MUTATION GRADES, each with a concrete disarm: - test_full_first_page_alone_does_not_end_enumeration sends 50 docs paths then one more docs path; disarm pagination to treat a full page as final and it is still all-docs, still exempt, still green. Re-pointed at test_protected_path_on_a_LATER_page_is_still_seen, which does go red under that mutation. - test_the_scan_job_runs_the_out_of_pytest_positive_control asserts only that the script exists, is executable, is referenced and is marked; replace its logic with `exit 0` and all four pass. ci-prove-ban-detects.sh regraded NONE. The MUTATION column was also being applied as a curve: three rows graded MUTATION fed the real script an input only that clause rejects, which is what the rows eight lines away are graded BEHAVIOUR-ONLY for. Definition sharpened to *witnessed* rather than plausible, and those regraded. 5 MUTATION / 6 BEHAVIOUR-ONLY / 21 NONE across 32 guards. THE VOCABULARY EXTRACTOR COULD RETURN A PARTIAL SET. `[A-Z|-]` cannot match `SHIP*)`, so adding that arm leaves the extracted set non-empty AND equal to the read side — parity green while the gate desyncs. Emptiness checks cannot see partial degradation. A loose counterpart now asserts the strict pattern consumed every arm; proven red on exactly that attack and green on a clean tree. Also: each verdict pattern must be assigned once, since the extractor unions assignments while the classifier runs the last. Also: docker-build.yml was itself an unchecked scope mirror (now asserted to be the only workflow with toolchain container jobs, by parsing container.image rather than grepping — ci-image.yml names the image because it builds it); the mutant floor is an equality; e2e-functional.sh reclassified GUARD (it exits 1 on a failed contract assertion); design-sync-reminder.sh does block the first Stop. The doc now states all six excluded classes instead of one. Not done here, filed instead: workflow-owned execution-class metadata to replace TOOLCHAIN_JOBS, a single shared verdict vocabulary, and an executable clause-level mutation harness. Each touches a CI-gating or merge-gate path and wants its own review. 580 script-tests pass. Refs #774 Refs #775 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 22:20:51 +02:00
timothyandClaude Opus 5	0bd59b0b6e	feat(774,775): one rule for guard populations, one for guard proofs — both enforced ... #773's analysis found that the largest recorded failure family is reasoning about a representative instead of the population (39% of process-failure records), and that the most common is a check that never ran at all (25%). Both rules had been reinvented repeatedly and written down nowhere. Two decision records: testing.guard-derives-population-from-source (#774) — a guard enumerates its population from a machine-readable authoritative source and asserts set equality both ways. States the boundary that keeps it honest: filtering to select the SUBJECT of a per-member property is fine; filtering the population before a COMPLETENESS claim is the defect. Also separates guard SCOPE (a reviewable policy choice) from guard POPULATION (always derived). testing.guard-ships-with-mutation-proof (#775) — disarm that clause alone and a named test must go red. Behaviour-only coverage is graded separately, because it proves the guard reacts, never that it is connected. Audit findings fixed: ci-image-pin stated an invariant it did not check. Its error text says "Every container: job must pin ersatztv-ci:<7-char-sha>"; what it asserts is that `grep … | sort -u` yields one DISTINCT value. Distinctness is a property of the pins present, so deleting the container: block from `test` leaves four pins, one distinct value, and a REQUIRED context silently running on the bare runner. test_ci_image_pin_population.py adds the population check, keyed on a reviewed registry cross-checked both ways — set equality between two DERIVED sets could not see this, because both sides shrink together. The verdict vocabulary was written down twice with no cross-check — post-review-verdict.sh (write) and check-review-verdict.sh (read). A word in one and not the other sends the required status green while the hook still denies. Both vocabularies are now extracted from their own source and compared as sets; a test that restated the words would just be a third copy. The write side's comment pointing at pretooluse-merge-consent.sh was also stale — the hook carries no copy and delegates. Mechanical enforcement, answered explicitly for both: No to a filter-shaped-guard lint. The token is not the defect — ToolCatalogTests filters correctly eight lines from a completeness assertion that must not — and it would be a string predicate over source, which this repo's record says takes 3+ rounds. Building it would be #774 violating #774. Yes to enforcing the bookkeeping. docs/guard-inventory.md classifies all 32 guard files; test_guard_inventory.py derives the population from the filesystem and call sites, asserts set equality both ways, and resolves every claimed proof ref to a real def. A new guard cannot ship unclassified; a renamed test cannot leave a row claiming lost coverage. What it does NOT check — whether a MUTATION claim is true — is stated, not implied. Measured: 28 guards, 4 tooling. 6 mutation-proved, 3 behaviour-only, 19 unproven. Every guard added here was mutation-proved by execution before being believed: neutering pin_population_faults turned 20 of 25 red; the inventory guard was driven red three ways (deleted row, new unclassified hook, stale proof ref) and restored green. 573 script-tests pass. Scope limit stated in the doc: inline workflow-job guards are not in the machine-checked population. Refs #774 Refs #775 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-13 21:56:52 +02:00
timothyandtimothy	cfdab63a3a	fix(767): gate the release path on the delimiter ban with a prerequisite job (#770) ... The delimiter ban protecting `build`'s `Smoke + IPTV E2E` was enforced only by a pytest in `script-tests` — `on: pull_request`, not a required context — so nothing re-checked it on a `v*` tag push, which is exactly when the candidate image is published. A `scan` job now runs the ban test and `build` lists it in `needs:`, so a red `scan` skips `build` and no image is built. Measured both directions without cutting a release: run 1928 (poisoned Smoke) → scan failed, `Build & push` skipped; run 1929 (control) → scan green, build ran. The gate rests on three different KINDS of check, because each single kind was defeated in review: the ban test; an execution probe against a poisoned copy with all three `env:` tiers layered; and `scripts/ci-prove-ban-detects.sh`, which is not a test — it poisons the real checkout and vouches only for the ban test's `build` parametrisation failing. Eight review rounds; rounds 1-5 each found a real defect in the previous fix. Refs: #767 Decisions-Edit: yes Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-13 18:04:52 +00:00
timothyandtimothy	884ac8a7e9	fix(756): extend the dropped-step guard to docker-build.yml's required jobs, where a drop is fail-OPEN (#768) ... A `run:` body the runner declines to interpolate is dropped, and the job still concludes `success` (#751). #751 fixed that in review-verdict.yml, where the failure is fail-CLOSED. This closes the two places where it is fail-OPEN: `Build & test (.NET)` and `EF migration integrity (SQLite + MySql)` are the other two required contexts on `main`, so a dropped step there sends a required check green having done no work. Per-STEP markers, not per-job as proposed: a marker on the first step only proves the job began, while the drop that costs something is `Test`, `Build` or a migration replay. The trailing guard carries no `if:` — with a dozen steps, `always()` would announce a false "these steps never executed" on every ordinary red build; the default `success()` is correct because guard-skipped implies job-red. Plus a ban on the raw `${{` opener in `test`, `migrations` and `build`, which makes the class unreachable rather than merely caught. `build` is included because its Smoke step runs AFTER the image is pushed. Measured live on the build lane in both directions: probe #765 (drop caught, sole failure in the job) and #766 (a failing continue-on-error step does not skip the guard). 510 tests, 30 mutations killed across two harnesses, five cold review rounds across two model families. Residual tracked as #767: the `build` ban is review-time only, not fail-closed on the release path. fixes #756 Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>	2026-08-10 23:35:08 +00:00
timothyandClaude Opus 5	20b117dabf	fix(751): round-5 findings — a rationale that was itself vacuous, and a third regex round ... Fifth cold review: MERGEABLE, no Blocker, no High. Four Low findings, none behavioural. Fixing all four rather than accepting them, because two are the exact class this issue exists to retire: text that reads as a checked reason and is not. A VACUOUS RATIONALE, on the branch about vacuous rationales. The comment on the history stub's `page` guard said it sits ahead of the read-counting modes "so the page-2 probe cannot shift 'raced row appears on read N'", by analogy with the combined endpoint. Measured: moving that guard AFTER the counter modes reddens NOTHING, because no history mode that counts reads ever issues a page-2 request — `raced=1` on page 1 short-circuits the probe. The real reason is the other half: page 2 must terminate for modes that describe page 1 only, and dropping just that `print("[]")` reddens `test_a_PRE_EXISTING_human_row_does_NOT_trigger_a_repair`. Comment now says which half is load-bearing and which was wrong. (The COMBINED endpoint's guard genuinely is counter-related — moving it reddens three mid-run-race tests.) THE FALSE REPAIR IS STICKY, and the previous commit undersold it as "a stall a reviewer can clear". It writes `$REPAIR_DESC`, which the classification refuses to grant an exemption over and re-writes as a fixed point on every later run — so a spurious repair removes that head's exemption PERMANENTLY, not for one run, and only a human verdict clears it. Still the right direction against a forged green over a rejection, but it is a per-sha loss of the exemption, and that is the argument for real paging (#763) rather than living with this. Said in the comment now. CORRECTING THE PREVIOUS COMMIT MESSAGE, which over-generalised: "uncertainty resolves to a stall … never to leaving green" is true of the page-2 probe and NOT of the enclosing path. An unreadable page 1, or a non-numeric high-water mark, still leaves the exemption `success` standing unverified. The workflow's own comments state that correctly; the message did not. THIRD ROUND ON ONE REGEX, which is the documented budget for a string-matching predicate. Assertion C started as `\w+\s*\(\)\s*\{`, gained `function\s+\w+` when review found `function mk {` slipped it, and STILL missed the union form `function mk() {` — the natural next spelling once the previous one is caught. Now `^\s*(function\s+)?\w+\s*(\(\s*\))?\s*\{`, verified against all seven spellings. THE COMPLETENESS COUNT, restored properly. Relaxing `len(bodies) >= 3` to `assert bodies` fixed a false red but threw away the only check that the walk reached ALL run-bearing steps: `max(len) > 5000` proves it reached the classifier and nothing about the short ones, so a helper that silently stopped yielding them would pass an unscanned delimiter. Now counted against the job's own step list, read directly rather than through the helper under test — which catches a helper reading the wrong key or dropping steps, while still tolerating a step being legitimately added or removed. Verification: 460 green. Three mutations, each as intended — the union spelling `function mk() {` (red, previously passed), a walk that drops the short steps (red, the property the count guard restores), and a legitimate step deletion (PASSES, confirming the false red it replaced stays fixed). Twenty-nine mutations across six rounds. Refs: #751 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 21:08:10 +02:00
timothyandClaude Opus 5	e133c11fde	fix(751): rebase onto #760, close the fail-OPEN twin, and retire four claims that had rotted ... Fourth cold review round: no Blocker, no new path to a green `review-verdict/h10` on an unreviewed head, and it independently re-measured 14 claims in the diff. It also caught that this branch was about to revert someone else's work, and found the one remaining place where the nil-slice/clamp lesson had not been applied. REBASED ONTO 9881d1ff8 (#760), which landed while this was in review. The tell was the one CLAUDE.md documents: `git diff origin/main HEAD` showed deletions I never made — `docs/decisions/records/mcp/tool-schema-openapi-parity.md` and edits to `docs/mcp.md`. Pushing would have reverted them. The generated catalog was regenerated rather than trusted to the rebase, and verified to carry BOTH records. THE FAIL-OPEN TWIN, one function further on than the last round reached. `/statuses/{sha}?limit=100` is read twice — for the high-water mark and for the post-write race check — and neither pages, while `limit` clamps to 50. So "no raced row on page 1" does not establish "no race": a human `BLOCKED` landing in the write window can sit on a page the job never reads, leaving a forged green over a rejection. This is the ONE path in the design whose failure direction is toward SUCCESS. Measured rather than argued: a probe head reached 33 rows after ~5 runs against a cap of 50, and the ordering is only coarsely newest-first (`33,32,31,30,28,29,27,…`), so a few CI reruns reach it and the row's position cannot be relied on — which this workflow's own comment already disclaimed. That comment ALSO claimed order-independence flatly; false once the page clamps, so it now says what actually holds and what saves us. The mitigation is conservative rather than complete: if page 1 shows no race, page 2 is read, and any rows there — or an unreadable page 2 — count as "assume raced" and repair to `pending`. Uncertainty resolves to a stall a reviewer can clear, never to leaving green. Real paging of both reads, including the high-water mark, is #763. A THIRD empty shape turned up while modelling it: `/statuses/{sha}` past the end returns `[]`, where `/commits/{sha}/status` returns `{"statuses": null}` and the timeline returns bare `null`. Three endpoints, three shapes, one server. The code tolerates both here because guessing per endpoint has now been wrong twice. MY OWN COVERAGE GAP, found by mutation rather than by reading: inverting the unreadable-history-page-2 branch reddened NOTHING. Now tested both ways. Same class as the two untested refuse branches the review flagged, which are also covered now. FOUR CLAIMS RETIRED, all of the shape this issue is about — text that reads as checked and is not: * "18 tests fail" for the corrected-double mutation is 21 now, because rounds 3-4 added three fence-dependent tests. Broke a number while documenting broken numbers. Both citations now give the range and lead with the invariant. * "measured: 4, 2, 9, 5, 10" first-page timeline events are 7, 5, 9, 6, 10 today. Timelines grow; the figures are gone and the invariant stated instead — a PR is created by a push, and a push is an event, so page 1 is never empty. * The strict test's docstring said "RAW TEXT" while the test reads parsed `run:` scalars, with a dead `raw =` assignment left behind (a new ruff F841). * `len(bodies) >= 3` had zero slack: deleting the optional jq-preflight step reddened it with a message asserting the classifier had not been examined, which was untrue. The length assertion already carries the property, so the count only needs to be non-empty. Also: dead `_workflow_expression_fields_text` removed; assertion C's regex now catches `function foo {` as well as `foo() {`; the page-2 refusal says a human verdict clears it. Verification: 460 green. Five more mutations as intended — deleting the history page-2 check (red), accepting an unreadable one (red, after the coverage gap was closed), accepting a garbage page 2 in read_existing_verdict (red), hiding the marker write behind `function mk {` (red), and the earlier twenty-one still hold. Live re-probe on this body follows. Refs: #751 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:42:58 +02:00
timothyandClaude Opus 5	951dae26a9	fix(751): the truncation guard I added was DEAD CODE — the page cap is 50, not 100 ... Third review round, cut short by a transport hang after ~11h, but it had already found the thing that mattered: the guard added last round could never fire. `read_existing_verdict` asks for `limit=100` and refused when the page came back with 100 rows. This instance caps `limit` at the server-wide `MAX_RESPONSE_ITEMS`, MEASURED AT 50 — `/issues?limit=100` returns 50 items. A response can therefore never carry 100 rows, so the comparison was unreachable and the hole it was written for was still open. The sting is that the repo already knew. `scripts/pr-changed-files.sh`, two test files and `ci.script-tests-job` all document that Gitea caps `limit` at `MAX_RESPONSE_ITEMS` (50 in the PR #619 measurement). The review found it by grepping this codebase, not upstream. Writing a guard against a constant the repo had already measured as wrong is the same failure as the unfaithful test double two rounds ago: a number believed rather than checked. So this is now the THIRD guard for one hole, and the first two were both no-ops: 1. `.statuses | length` vs `.total_count` — `total_count` is the count for the PAGE RETURNED, not the commit (`?limit=1` on a 6-context head gives `len=1, total_count=1`). Equal by construction. 2. "refuse when the page is full at 100" — dead code, as above. 3. Ask the server. Completeness is needed ONLY to justify "no verdict exists on this head", so when the row is absent from page 1 the job reads PAGE 2, and refuses if it carries anything. Cap-independent: no reconfiguration re-breaks it, and nothing is hardcoded that a measurement could contradict. Measured to make sure page 2 is real rather than assumed: `?limit=3&page=2` on 3aed43c6 returns three further rows, and `page=9` returns the same `statuses: null` terminator the timeline uses. The probe is skipped when the row IS on page 1, because there is nothing to learn — the combined endpoint returns the latest status per CONTEXT, so a context cannot recur on a later page. TEST-DOUBLE FIDELITY, again the fiddly part. The stub now honours `page`, and that guard had to go BEFORE the read-counting modes: `appears-on-read:N` counts how many times the job has LOOKED at the status, and the completeness probe is part of the same look, not a further one. Letting it increment those counters shifted "the verdict appears on read N" by one and broke three mid-run-race tests — a false red that would have been easy to "fix" by adjusting the expected counts, which would have quietly destroyed what those three tests measure. Verification: 455 green. Four more mutations, each as intended — deleting the probe (red), accepting a non-empty page 2 (red), refusing even on an EMPTY page 2 (red, the deadlock control), and reverting the twin `statuses: null` gate (48 red). Twenty-one mutations across four rounds. Refs: #751 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:22:50 +02:00
timothyandClaude Opus 5	46ec532745	fix(751): re-review round — a truncation hole, and the tests that closed findings needed closing ... Cross-family re-review of the previous fix commit. It did NOT pass, and it was right not to: the round that fixed the reviewers' findings introduced two of its own, both in the tests written to close them. That is this file's recurring shape, and it is the reason the fix commit gets re-reviewed rather than the initial diff only. TRUNCATION (High). `read_existing_verdict` asks for 100 statuses and never checked whether the page was full. If a head ever carried more contexts than that, an existing `review-verdict/h10` could fall off page 1, the job would conclude no verdict exists, and it could post an exemption `success` over a human `failure` — the worst thing this gate can do. Six contexts exist today, so this guards a future shape, not a live bug. BUT THE PROPOSED GUARD WAS A NO-OP, and measuring is what showed it. The review asked for `.statuses | length` compared against `.total_count`. On this instance `total_count` is the count for the PAGE RETURNED, not for the commit: on 3aed43c6 (6 contexts), `?limit=1` gives `len=1, total_count=1` and `?limit=3` gives `len=3, total_count=3`. The two are equal by construction, so that check would have read as a completeness proof while proving nothing — and it would have been the second guard in this file to look like a check and not be one. What IS observable is a page at the requested limit, which means "maybe more", so that is now treated as unreadable: post nothing, leave the required check absent. The stub mirrors the per-page `total_count` deliberately, so the new test cannot pass for the wrong reason either. THE TESTS THAT CLOSED THE LAST ROUND'S FINDINGS: * The behavioural guard test — added to answer "a bare `exit 1` substring is satisfiable by dead code" — extracted the two marker lines BY TEXT and ran them alone. That passes even if the write is moved into a function nobody calls: the extractor finds the text, runs it at top level, the marker appears, and the test reports the guard proven while production writes no marker. It now executes the classify body's real PREFIX down to and including the write, which reproduces the production control flow instead of a reconstruction of it. Mutation: move the write into an uncalled function -> RED (it previously passed). * The anti-vacuity check — added to replace an over-broad assertion — hand-counted `run:` keys with a regex that only matched an indented `run:` starting `|` or `>`. It false-redded legal spellings (`- run: |`, a single-line `run: echo ok`) and could count a `run: |` sitting inside a heredoc. Hand-parsing YAML to validate a YAML parse is the wrong shape: it adds a second, worse parser whose every disagreement is a false alarm, and a red here blocks all merges. Now asserted on CONTENT — the walk reached >=3 bodies and one over 5000 chars. FALSE RED, THIRD INSTANCE IN THIS FILE. The repo-wide expression test scanned raw file text, so a delimiter in an inert top-level YAML comment redded the repo even though the runner never evaluates it. It now scans PARSED scalars: PyYAML drops YAML comments, while a `run:` body is itself a scalar and keeps its SHELL comments — which is exactly the distinction that matters, since inside a `run:` scalar a comment is not inert. Verified in both directions: an inert top-level comment passes, the same payload in a run-body comment still reds. Also: the `total_count` zero check now requires the JSON TYPE to be number — `jq -r` renders `0` and `"0"` identically, so a text compare accepted a corrupted `"total_count": "0"` as "no statuses". Verification: 455 green. Six further mutations, each landing as intended — the uncalled function (red), an inert YAML comment (PASSES, no false red), the same payload in a run-body comment (red), accepting a full status page (red), comparing total_count as text (red), and breaking the YAML walk's job key (red). Seventeen mutations across the three rounds. Re-probe of both live controls follows on this body; the previous probe evidence was taken before this commit and no longer describes what would merge. Refs: #751 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:22:50 +02:00
timothyandClaude Opus 5	edd8d3d9c9	fix(751): review round — the twin null-shape, a governance self-exemption, and four over-claims ... Two independent cold reviews (a cross-family GPT-5.6 pass and an isolated Opus pass). Neither found a path to a green `review-verdict/h10` on an unreviewed head. Both found real defects BESIDE the fix, which is the failure mode this file keeps producing. THE TWIN, and the reason not to trust "I fixed the two I could see". `GET /commits/{sha}/status` returns `statuses: null` — not `[]` — for a head with no statuses yet: `{"state":"pending","total_count":0,"statuses":null}`, measured on PR #739's head. `read_existing_verdict` gated on `.statuses | type == "array"` and took its `exit 1` path, posting NOTHING. Fail-closed, but the user-visible outcome is the one this issue is about: an exempt PR with no status and, since #743, no bypass. Its double printed `{"statuses": []}` at all three no-verdict sites, so that branch was unreachable in the suite — the same unfaithful-double story as the timeline, one function over. `null` is accepted only when `total_count` is 0, so a body that merely lost its array is still refused and an existing verdict is still protected. Swept `scripts/pr-changed-files.sh` too: `pulls/{n}/files` returns `[]`, unaffected. The generalisable rule is that a nil Go slice serialises to `null`, so every list-shaped field on this API is suspect and only a per-endpoint measurement settles it. A GOVERNANCE SELF-EXEMPTION, reachable again precisely because this change works. `DOCS_ONLY` matched `CLAUDE.md` and `AGENTS.md` — the documents that DEFINE the completion protocol, the merge-consent convention and the H10 rule. Driving the real classify body with a lone `CLAUDE.md` change produced `review-verdict/h10=success`. Protecting `.claude/` while the file specifying what it enforces stayed exemptible is the same self-exemption the header rules out, one directory over. Both added to PROTECTED; `README.md` deliberately not (ordinary prose, no enforcement). FOUR OVER-CLAIMS, corrected rather than defended: * The repo-wide expression test does NOT catch "any payload that cannot evaluate". It checks the HEAD TOKEN of each dotted path. `${{ github.ref == }}` and `${{ …head.sha + }}` pass; so does a renamed output, since tokens after the first are skipped by design. Claim corrected in the docstring, `docs/ci-cd.md` and the record. The test is kept permissive on purpose: a red here blocks every merge. * The strict test's anti-vacuity half banned expressions ANYWHERE outside `with:`/`env:`, so the standard `if: ${{ always() }}` spelling and even a delimiter in an inert top-level comment went red — a guard more dangerous than its target. Replaced with the honest property: the YAML walk saw every `run:` body it declares. * The `if:` assertion demanded the bare `always()` exactly; now normalised, since the wrapped form is identical to the runner. * `exit 1` was matched anywhere in the guard body, so an unreachable `if false; then exit 1; fi` satisfied it while the real branch said `exit 0`. Now required INSIDE the missing-marker branch — and the new behavioural test settles it properly by EXECUTING the guard body both ways. * The record asserted a repo-wide obligation to guard consequential steps. It is not repo-wide: `docker-build.yml`'s `test`/`migrations` are also required contexts and a dropped step there is fail-OPEN (green having done no work), strictly worse than here. Scoped to this file and tracked as #756 rather than asserted as done. Also: comments in both files still said it was unestablished whether a later step runs after a drop — runs 1863/1866 established it, so they now record the measurement; a cited test name that never existed; `kind` leaked to global scope; a mangled comment wrap; and an already-false "one event on page 1". Hardening of my own: `null` now counts as exhaustion only from page 2 ON. Every real PR's first page carries events (4, 2, 9, 5, 10 across #752/#753/#749/#739/#717), so a terminator on page 1 means no page was ever read, and certifying "no retarget" from a response we cannot explain is the one thing the fence exists to refuse. Narrows rather than closes it: a wrong `null` on page 3 still reads as exhaustion. Verification: 137 in this file / 452 total green; ELEVEN mutations each red — reintroducing the defect, deleting the guard, deleting the marker write, removing `if: always()`, `exit 1`→`exit 0`, a delimiter in the guard body, the fence gate (20 red), the TWIN gate (70 red), dropping the governance paths, accepting a null first page, and diverging the marker path between the two steps. Refs: #751 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:22:50 +02:00
timothyandClaude Opus 5	40b3747434	fix(751): the fence never trusted its count — a page past the end is null, not [] ... The scratch-base probe found a SECOND, independent reason `review-verdict/h10` was never posted automatically. Fixing the dropped step alone would NOT have restored the exemptions. `count_retargets` pages `/issues/{n}/timeline` and trusts its count only on a validated empty page, gated on `type == "array"`. But a page past the end of that endpoint is the JSON value `null` — measured at Gitea 1.27.1 on PR #752, four bytes — so the real terminator read as UNREADABLE. The walk never reached a validated empty page, `rt_ok` was never `yes` for ANY pull request, and the fence therefore withheld EVERY exemption `success`. Renovate and docs-only PRs got no status at all: the same user-visible outcome as the dropped step, by a completely unrelated route. The instance is not consistent between endpoints — `/issues/{n}/comments` returns `[]` when empty — so both shapes terminate the walk now, and the regression test is parameterised over both. The type is read as a VALUE (`case` over `jq -r 'type'`) rather than through `jq -e`, whose exit-status semantics already bit this workflow at jq 1.6 (#647). TWO REASONS THIS LOOKED DELIBERATE RATHER THAN BROKEN, both worth generalising: * It had never run. This fence shipped in 8f6d4f443 — the same commit whose prose comment stopped the classify step executing at all. Merging a guard and first executing it are different events, and only the second tells you anything. * The test double asserted the wrong shape while claiming to be measured. Its comment read "Real shapes, measured on this instance and deliberately mirrored" and it printed `[]` past the end, so the `array`-only gate was never exercised by the suite either. Correcting the double and restoring the old gate turns 18 TESTS RED — every one of them had been green for the wrong reason. A fidelity claim in a double is an assertion and it decays like any other. The new test asserts the POSTED STATUS, not the log: on the real probe run the log said `Decision: state=success` and the job still posted nothing, so the decision and the write are separate events and only the write is what a merge reads. Also here, both found while editing this code: * `ci.verdict-write-retarget-fence` stated this as a narrow residual ("a timeline over the 20-page cap can never be exempted") when the behaviour was universal. Corrected in place rather than left as a checked-looking claim that talks the next reader out of verifying. * The workflow cited `ci.paged-endpoint-completeness`, a key that has never existed as a record anywhere. Repointed at the record that actually owns this walk. Marker hardening from the probe: `RUNNER_TEMP` is `/tmp` on this runner, not a private per-job directory, so the start marker is now keyed on the run id and attempt. The lane starts a container per job today, which makes a fixed name fresh in practice, but that is a property of the lane and a stale marker would make the guard PASS on a run whose step was dropped — the exact silent pass it exists to remove. Verification: 446 passed; M7 (revert only the type gate, keep the corrected double) → 18 red. Probe evidence in the issue. Refs: #751 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:22:50 +02:00
timothyandClaude Opus 5	2bdb6c44e4	fix(751): a stray expression delimiter in a COMMENT killed the verdict gate ... `review-verdict.yml`'s classify step stopped executing on 2026-08-03 and the job reported `success` anyway, so `review-verdict/h10` — the branch-protection-required status — was posted by nothing but a human hand for three days, and both exemption classes (Renovate-manifest, docs-only) silently stopped working. The cause is one token in prose. The #706 note explaining why a concurrency group does not work here quoted a `concurrency:` snippet containing a PR-number expression as an ILLUSTRATION, inside a shell comment. A shell comment is not inert there: the runner scans the whole `run:` scalar for the expression opener before bash sees it, and one occurrence makes it rewrite the ENTIRE body into a single `format(...)` call. That rewrite is all-or-nothing, so a payload that does not parse — `pr number` does not — fails the interpolation of the whole scalar, and the runner then DROPS THE STEP AND CONCLUDES THE JOB GREEN. The prose documenting a fix disabled the fix. `git blame`/`git log -S` put the line in 8f6d4f443 (2026-08-03), which dates the outage precisely rather than "present in run 1832, not bisected further back". Three changes, deliberately different in kind: * The prose no longer writes the delimiters. It names the expression instead. * The classifier writes a start marker and a new `if: always()` step FAILS THE JOB when it is missing. This is the half that generalises: the delimiter was one bug in one comment, but a dropped step concluding `success` is what made it cost three days behind a green tick. It asserts execution STARTED, never completed — the classifier has several legitimate `exit 0` abstention paths. * Two static guards in scripts/tests/test_pr_changed_files.py: no expression delimiter in ANY `run:` body of the gate file (absolute, because a dropped step here is a dead merge gate and its bodies are ~700 lines of prose), and repo-wide, every expression payload must name a real context or function (permissive, because other workflows interpolate into `run:` legitimately). The second catches the class — a payload that cannot evaluate, wherever it appears. Note every pre-existing workflow-shape test reads `_code_lines()`, which strips comments. That is correct for what it was for, but it encodes the assumption this bug falsifies: inside a `run:` scalar a comment CAN change behaviour. The new strict test reads the raw scalar for that reason and must never adopt `_code_lines`. Blast radius, audited: PR #739 (docs-only) merged 2026-08-05 with ZERO commit statuses on its head, and got in only because admin force-merge was still enabled. #743 disabled that on 2026-08-06, so the workaround that absorbed this bug is gone — the next docs-only or Renovate-manifest PR would be permanently stuck. The two Renovate PRs in the window escaped by timing, merging minutes before the bad commit. Non-exempt PRs were unaffected throughout: humans posted their verdicts by hand. Verification: all six mutations red, restored tree green — reintroducing the exact defect (strict + general tests), deleting the guard step, deleting only the marker write, weakening `if: always()`, turning the guard's `exit 1` into `exit 0`, and putting a delimiter in the guard's own body. 129 passed on the fixed tree. Still to establish, and NOT claimed here: that the runner executes a LATER step after dropping an earlier one. The #751 evidence cannot say — the classifier was the job's last step, so there was never a subsequent step to observe. A scratch-base probe with a negative control answers it next; if the runner drops the rest of the steps too, this guard is inert and the body has to move into `scripts/`. Refs #751 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-10 19:22:50 +02:00
timothyandClaude Opus 5	6af65ba5c5	fix(743): re-tense the third stale site, and pin the two surviving mutants ... Round 2 of review. One blocking finding, and it is the same defect class as round 1's: a present-tense claim that this PR falsified. `release.verdict-status-check` — the record ABOUT the h10 status check — still said "direct pushes to `main` are server-side permitted, so the gate can be skipped without forging anything". A reader resolving that key from the catalog would conclude the control does not exist. Round 1 corrected `ci-cd.md` and `ci.actions-credential-scoping` and I stopped at the two sites I had edited, instead of sweeping the corpus by SUBJECT. Swept properly this time (`server-side permitted`, `bypassable`, `without forging`, `push whitelist`, `enable_push`): this was the only remaining stale site. Test gaps the reviewer found by mutation testing, now closed. Both mutants SURVIVED the suite as shipped — the round-1 fixes were correct but unpinned: - dropping `|| [ -n "${_h11_local_ref:-}" ]` → an unterminated final line is dropped. Two directions, and the dangerous one is not the obvious one: a dropped *branch* line leaves only tag refs and grants the exemption to a push containing a branch. Both pinned. - dropping `[ -t 0 ] ||` → the hook hangs forever on an interactive run. Pinned with a real pty and an explicit timeout, so a regression fails cleanly rather than hanging a CI job. Verified the mutant is killed by exactly that test (and that it dies via the timeout, 32s). Also from review, non-blocking: - `ci-cd.md:951` cited `enable_push: false` alone as what closed #743 — the precise thing the new record says never to do, since the force-merge route also skipped the gate with no forgery. Now cites both fields. - `ci-cd.md` flattened measured and source-attested into one 403: only the contents API was probed; the web editor/upload/apply-patch paths share the predicate but were not. Separated. - `format-as-you-touch-rebase` still said "the documented sequence" and "always" for the release-cut behind-ness. `docs/ci-cd.md` documents the tag step, not the release-notes-PR flow, and the frequency is attested by one observed cut. Attributed to #719 instead. - Documented the operator recovery path. `block_admin_merge_override: true` removes the `force_merge` escape that used to unstick a wrongly-red required context — that escape WAS the bypass, so it is gone by design, and the recovery (fix the status; last resort PATCH the field, merge, set it back) needed to be written down rather than left implicit in a residual. Verification: 441/441 script tests; decisions-validate OK; PyYAML parses all 193 records; both mutants confirmed killed and the hook restored byte-identical. fixes #719 Decisions-Edit: yes Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-06 00:10:45 +02:00