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241 Commits
Author SHA1 Message Date
timothy 1ab50236c3 fix(786): share the last three detectors with their proofs, and close the round-4 wording items
Round four returned MERGEABLE with seven LOW/NIT items. All seven are fixed rather than shipped,
because three of them are the same defect class this branch has been closing all along.

THREE MORE PROOFS RE-IMPLEMENTED THE COMPARISON THEY NAMED. The previous commit extracted
`duplicate_row_faults` and `env_shadow_faults` for exactly this reason and left the set-equality and
Kind comparisons inline, so `test_MUTATION_a_guard_job_with_its_row_DELETED_is_reported`,
`…_a_PHANTOM_row_is_reported` and `…_a_row_whose_KIND_disagrees_is_reported` still rebuilt
`declared - listed` and the Kind check themselves. Review demonstrated it by flattening the live
assertion and watching the file stay green at 50 passed.

`coverage_faults(declared, listed) -> (missing, phantom)` and `kind_faults(roles, listed)` are now
named detectors that the live checks and all three proofs call, and each proof gained a negative
control. Witnessed after the change:

  coverage_faults disarmed -> deleted-row proof REDDENED, phantom-row proof REDDENED
  kind_faults     disarmed -> kind-disagreement proof REDDENED

Worth recording that the system was never fail-open here: the manifest harness already caught the
same disarm ("the named test still PASSED with the clause mutated"). The in-file proofs were weaker
than their names, not absent.

THE ENV-MERGE EVIDENCE WAS STEP-SCOPE USED FOR A JOB-SCOPE CLAIM. `build`'s Smoke step shows the
runner LAYERS step-level `env:` over workflow-level, and what this branch newly relies on is
job-level layering. Measured: on origin/main no job anywhere declared both a job-level `env:` and a
consumed workflow-level var, so the job scope had no in-repo witness. The gap is now named, with
the exposure bounded — the two publish jobs are `if: github.event_name != 'pull_request'`, so PR CI
cannot exercise it and a non-layering runner would fail loudly on the first push to `main` trying to
publish `":<sha>"`, not silently.

Four wording fixes, each measured:
  * the record still enumerated "exactly three jobs are `none`" while three other sites say a list
    in prose is a second copy that rots — the fourth site now agrees with them.
  * "the remaining `docker-build.yml` jobs" over-scoped: six remain after `test`/`migrations`, and
    the table has four, because `toolchain-preflight` and `scan` carry the mark/assert protocol
    voluntarily without being in the enforced scope. Said so.
  * "on every push to `main`" ignored the Smoke step's own `docs_only` gate.
  * `docs/ci-cd.md`'s excluded-token list omitted `tar`, which the source comment includes; and the
    `scan` Proof cell disclosed the two pytest files' `NONE` but not the cited script row's, two
    cells from a sibling that discloses it — so that row now states it claims no proof at all.

Suite: 1178 passed, 2 skipped (the production-log guard deselected; it is the shared-$HOME flake,
green in isolation — #809/#822). ruff 0.12.11 clean over all 47 tracked files; decisions-validate
OK; doc-narrative 0 warnings.

Refs #786
Refs #789
2026-08-28 22:14:44 +02:00
timothy f45b0593ca docs(786): reconcile the three remaining statements of the Proof: NONE rule
The rule was hedged in `docs/guard-inventory.md` when review found two inline rows citing a pytest
despite it. The record's `rule:` frontmatter, the record body, and the checker's module docstring
kept the universal wording — the same fix-one-site-leave-the-paraphrase pattern this branch has
now hit four times, which is why the sweep was by the RETRACTED words rather than the new ones.

All three now say the same thing: an inline row carries `Proof: NONE` unless a pytest genuinely
covers part of it, which `ci-image-pin` and `set-verdict-status` do, and each names which part —
because a reference covering a fraction must not read as covering the whole.

Refs #786
2026-08-28 22:14:44 +02:00
timothy e855a79999 fix(786,789): make the new proofs exercise the shipped detectors, and rename advisory -> report-only
Round three, reviewed twice in parallel (Codex gpt-5.6 and a cold Claude brief). Both converged
independently on the same two MEDIUM findings, which are the branch's own defect class reproduced
by its most recent commits: a test asserting a guarantee it does not provide.

1. THE PROOFS DID NOT EXERCISE THE CODE THEY NAMED. `test_MUTATION_a_DUPLICATE_row_is_reported`
   rebuilt the comparison with its own `len(set(...))`, and `test_MUTATION_a_SHADOWING_env_key_is_
   reported` built a synthetic dict and intersected it by hand. Both stayed GREEN with the live
   check disarmed — a behavioural test wearing a MUTATION name, which is exactly what
   `testing.guard-ships-with-mutation-proof` excludes.

   `duplicate_row_faults(rows)` and `env_shadow_faults(docs)` are now named detectors; the live
   test and its proof both call them. Verified by reproducing the reviewers' own demonstrations
   against the fix:
     duplicate detector neutered -> REDDENED "the DETECTOR did not report a second row for ..."
     shadow    detector neutered -> REDDENED "the DETECTOR did not report a shadowing job-level key"

2. `test_a_commented_out_marker_does_NOT_count` CLAIMED TO GUARD A TEXT-SCAN REGRESSION AND DID
   NOT. It re-implemented the read inline and never called `declared_roles`. One reviewer built a
   comment-blind grep reader reproducing all 17 current values byte-identically and ran every
   non-parametrised test in the file: nothing went red.

   `declared_roles(paths=None)` now takes an injectable population, so the test drives the REAL
   reader over a fixture, asserts the fault function reports it, and pins that a live marker in the
   same shape is still read (so the assertion cannot be satisfied by a reader returning None for
   everything). Verified: installing the grep reader now reddens it.

RENAMED `advisory` -> `report-only`. docs/ci-cd.md already calls `functional-e2e` an advisory job
in a DIFFERENT sense — not a required context, though it can certainly fail — while this branch
declares that job `guard`. A reader would infer the wrong marker for exactly the job whose marker
is `guard`. The value is now unambiguous, its Kind is `REPORT-ONLY`, and the manifest's declared
`expect` string moved in lockstep with the message it matches.

The rename also caught its own adjacent defect: `REPORT-ONLY` contains a hyphen, which the row
regex's `[A-Z]+` Kind group did not match, so the docs-reminder row stopped parsing. That surfaced
as a loud red naming the job — the fail-closed property documented one commit earlier, working.
Widened to `[A-Z-]+`, matching the `BEHAVIOUR-ONLY` convention in the sibling table.

Nine further accuracy findings, each measured before fixing:
  * "would therefore flag every job" — false. git/jq/python3/curl flag 4 of 8. And the REASON was
    wrong too: `small` is git-only and provisions Python via actions/setup-python, while `build`
    runs on stock ubuntu-latest, so "the bare runner has them" conflated two lanes. They are
    excluded because they do not DISCRIMINATE.
  * "four lines from the container: block" / "in one diff hunk" — false. Measured 6, 58, 6, 7, 7;
    `migrations` has the whole `services:` block in between. The property the guard rests on is
    INDEPENDENCE, not proximity, and the docs now say so.
  * "the merge semantics never have to be relied upon" — too strong. The check proves no NAME
    COLLISION; it does not prove the runner merges. That evidence is in-repo and live and is now
    cited: `build`'s Smoke step declares its own step-level `env:` and consumes workflow-level
    `${IMAGE}` on the same line, on every push to main.
  * "every malformed row fails closed" — over-broad. A malformed DUPLICATE is invisible: its job is
    already satisfied by the well-formed row. Stated.
  * The `scan` Blocks cell said "a marked job's run: body"; the ban's scope is DELIMITER_BAN_JOBS
    (the required contexts PLUS `build`), which is wider, and `scan` carries no `if:` so it runs on
    PRs too.
  * The functional-e2e row credited `e2e-local.sh` (TOOLING, only boots the instance) for curl
    assertions that live in `e2e-functional.sh` (GUARD).
  * `report-only` was defined nowhere; now defined as a verdict the job cannot enforce, with the
    limit stated (nothing detects a `guard` job whose checks are all continue-on-error).
  * "inline rows carry Proof: NONE" was stated universally while two rows cite a pytest; hedged,
    and each such row names which PART it covers.
  * "Exactly three jobs are `none`" was an unchecked prose enumeration in three sites, in a branch
    that deleted one for that reason. Removed; the markers are the source.
  * Plus: the ci-cd tool list was short by `dotnet-ef` and `playwright`; docs/README said only a
    `guard` job needs a row; "all three checks fail together" read as the opposite of "go blind";
    and #774's unrealised consequence is now subjunctive rather than past tense.

Suite: 1178 passed, 2 skipped, 1 known flake (test_hook_fire_log's production-log guard, which
compares mtimes under the SHARED ~/.cache/ersatztv/hook-fire/ — four session logs were written
during the window; 78 passed in isolation. ersatztv#809/#822, evidence posted there).

Refs #786
Refs #789
2026-08-28 22:14:44 +02:00
timothy 402032db98 fix(786,789): sweep the retracted rule out of three sites, and reject duplicate table rows
Cross-family cold re-review (Codex/gpt-5.6) returned BLOCKED with four findings. All verified
independently before fixing.

1. HIGH — THE RETRACTED RULE WAS STILL STATED AS ACTIVE IN THREE PLACES. The previous commit
   replaced the guard/none rule in docs/guard-inventory.md and flipped `test`/`migrations` to
   `guard`, but left the superseded wording in test_workflow_job_guards.py's module docstring,
   docs/ci-cd.md, and the decision record's `rule:` — from which the generated catalog (and
   MemPalace) copied it faithfully. Those three explicitly called `docker-build.yml::test` `none`,
   which is the opposite of what the workflow now declares. A maintainer following the ACTIVE
   decision record could downgrade both required jobs, delete their rows, and every structural
   check would stay green, because the checkers read the markers and the markers would agree with
   the stale prose.

   This is `process.enumerate-clauses-to-close-a-sweep` failing on my own retraction: I fixed the
   site I was looking at and left the paraphrases. All three now state the verdict/artifact rule,
   and each carries the rejected reading explicitly so it does not come back. Swept by grepping
   the RETRACTED words, not the new ones — the only hits left are the deliberate
   rejected-alternative notes.

   Same commit: docs/ci-cd.md claimed "every job in every workflow declares two things", which its
   own table contradicts — `CI_EXECUTION_CLASS` is docker-build.yml only.

2. MEDIUM — A DUPLICATE ROW WAS SILENTLY COLLAPSED. `inventory_jobs()` built a dict, so two rows
   for one job overwrote each other, last-one-wins, and set equality still held both ways. The
   realistic arrival is a merge conflict leaving an ADVISORY and a GUARD row for the same job: the
   registry contradicts itself and its checker reports green. Rows are now kept as a list and
   counted against distinct keys by `test_no_job_has_TWO_rows`, with a mutation proof carrying its
   own negative control. Witnessed: planting a contradictory duplicate row for
   `pr-checks.yml::ci-image-pin` in the real file reddens two named tests; restoring it returns 48
   passed.

3. LOW — the toolchain-preflight row said it blocks "every downstream job". Measured: NOTHING
   `needs:` it (only `build` has a `needs:`, on test/migrations/scan), and it is not a required
   context. Corrected to what it actually blocks — a merge, through the combined commit status the
   consent gate reads (#598) — and why it must not consume the image it checks (#772).

4. LOW — the predicate's documented residue was partial. Now enumerated in both directions:
   false positives (trailing comment, echo string, heredoc body — stripping is line-based, not
   shell-aware) and false negatives (absolute path, script indirection, a `#` heredoc line that a
   later command strips and executes).

   One of those claims was WRONG as first written and is corrected to what execution shows:
   variable indirection is invisible ONLY when the assignment is not in the same run body.
   `$SDK_CMD build` with `SDK_CMD` from `env:` is missed; `SDK_CMD=dotnet` written in the same body
   IS caught, because the assignment line carries the bare token.

Re-review confirmed the four earlier findings are genuinely fixed: the classification is
consistent across all 17 jobs under the verdict/artifact rule with no job it would reclassify;
both repaired positive controls redden on an emptied population; the corrected functional-e2e
claim is true and the old wording has no matches; the adjacency residual is accurately disclosed
and not overstated; the summary counts assertion holds at (43, 6, 21, 21, 6, 16).

ruff 0.12.11 clean; decisions-validate OK; targeted suites 145 passed.

Refs #786
Refs #789
2026-08-28 22:14:44 +02:00
timothy 0c3625d2e2 fix(786,789): reclassify test/migrations, de-vacuum two controls, correct a refuted claim
Cold adversarial review of b7e5c35fb returned BLOCKED with four substantive findings. All four
are real and all four are fixed here; each fix is demonstrated rather than asserted.

1. THE guard/none LINE EXCLUDED BOTH REQUIRED CONTEXTS. The rule was "a guard enforces an
   invariant about the REPOSITORY; a job exercising the PRODUCT is `none`". It reads as
   principled and put `test` and `migrations` outside the table — the two required Actions
   contexts on `main` per .gitea/required-status-contexts.json, i.e. exactly the jobs where a
   failure to fire is fail-OPEN against branch protection, and exactly the gap #786 exists to
   close. It also could not survive its own examples: `test` runs ToolCatalogTests.cs and
   web/src/api/*.guard.test.ts, the structural guards this document's own scope-limit item 2
   names.

   Replaced with a line that can be restated: a `guard` job's output is a VERDICT; a `none`
   job's output is an ARTIFACT. A `none` job can still go red — that is an error in producing
   the thing, not a finding about the repo. `test`, `migrations` and `functional-e2e` flip to
   `guard` and gain rows; `none` is now exactly the two image publishers plus renovate. The
   rejected rule is recorded so it is not re-adopted.

2. TWO POSITIVE CONTROLS WERE VACUOUS — both of them ones this commit series added, while the
   pre-existing sibling it copied was not. `len(_MUTANTS) == 2 * len(population)` is `2N == 2N`,
   a tautology at N=0, so an emptied population satisfied it while the parametrised proofs
   collected zero cases. Both now assert non-emptiness FIRST. Demonstrated after the fix, by
   degrading each population to empty:
     role mutation set        -> REDDENED: "declared_roles() is EMPTY ..."
     declaration mutation set -> REDDENED: "the workflow parsed to ZERO jobs ..."
     phantom-row proof        -> REDDENED: "the table parsed to nothing ..."

3. A MECHANISM CLAIM IN A DECISION RECORD WAS REFUTED BY EXECUTION. Four sites (the test
   docstring, docs/ci-cd.md, the record's `rule:`, and the generated catalog) said
   `functional-e2e` reaches dotnet only through scripts/e2e-local.sh and so is invisible to the
   step scan. It is not: that job runs `dotnet restore`, `npm ci`, `npm run build` and
   `dotnet build` in its own YAML, and the derivation detects it. Measured: the blind-spot set
   (declared toolchain minus detected-from-own-steps) is EMPTY today, all five jobs detected.
   Reworded to say that, and the converse is still not asserted because a future job could be
   written behind a script.

4. THE ADJACENCY RESIDUAL WAS UNDERSTATED. All three checks fail together under one edit that
   drops the container block, flips the marker AND moves the invocation into a script — the
   review verified it. Now disclosed in the code and in docs/ci-cd.md, with what actually bounds
   it: the failure MODE, not its likelihood. The job then dies on a missing binary, loudly,
   where #774's original defect sent a REQUIRED check green on the bare runner. A silent pass
   traded for a noisy crash, not a hole closed.

Also from the review: the docs-reminder row said the job "never fails" (its Checkout step can);
the phantom-row proof could not fail (it supplied its own phantom, so it now pins the unmutated
set to zero phantoms first); and the scope-limit paragraph was reworded from draft history into
a rejected-alternative note.

Review findings 6 and 7 (regex false positives on comments, false negative on `dotnet-ef`) were
already fixed in 75747fbca, which the reviewer did not see.

Suite: 1161 passed, 2 skipped. ruff 0.12.11 clean; decisions-validate OK.

NOTE for whoever sees a red `test_hook_fire_log.py::test_the_suite_does_not_write_to_the_
PRODUCTION_log` locally: it snapshots mtimes under ~/.cache/ersatztv/hook-fire/, which is shared
across worktrees and sessions, so a second Claude session running concurrently reddens it. Seen
once here with three session logs written during the window; green in isolation, both before and
after this change. That is ersatztv#809 / #822, not this diff.

Refs #786
Refs #789
2026-08-28 22:14:44 +02:00
timothy f420649fa2 fix(786,789): harden the step-text predicate and sharpen the guard/none rule
Self-review findings on the previous commit, all measured before fixing.

THE PREDICATE HAD BOTH FAILURE DIRECTIONS. Measured against constructed inputs:

  full-line comment       -> ['dotnet']      false POSITIVE
  echo string / heredoc   -> ['dotnet']      false POSITIVE
  dotnet-ef migrations    -> []              false NEGATIVE
  playwright install      -> []              false NEGATIVE

The false positive is the dangerous one: a bare-runner job whose COMMENT merely mentions dotnet
would redden the suite on a correct tree, and a correct guard going red on a correct tree is the
fastest route to that guard being deleted. Full-line comments are now stripped before matching.
`dotnet-ef` and `playwright` join the tool list, and the alternation is sorted longest-first so the
match does not depend on backtracking out of the `dotnet` prefix.

The residue is stated in the code rather than papered over: a TRAILING `# ...` comment, an
`echo "run dotnet build"` and a heredoc body all still match. Parsing those means parsing shell,
which `testing.fixing-a-parser-bug-introduces-the-next-one` prices at three or more rounds. It is
tolerable only because of its DIRECTION — a loud red naming the job and the token, with an obvious
remedy — never a silent pass.

Verified the real workflow's classification is unchanged and exact after the change:
needs-toolchain derives to {test, migrations, functional-e2e, api-docs, format}, equal to the
declared set, zero violations.

THE GUARD/NONE RULE WAS UNDER-SPECIFIED. "Purpose, not whether a step can fail" does not decide
`docker-build.yml::test`, which blocks the merge as a required context. Sharpened everywhere it is
stated: a `guard` job enforces an invariant about the REPOSITORY or its ARTIFACTS; a job that builds
or exercises the PRODUCT is `none` even when it is a required check. No marker value changed — the
rule now explains the classifications that were already there.

Also: a row for test_workflow_job_guards.py in the file-populations table, and the scope-limit
preamble de-narrated (it recounted an earlier draft; the operative warning — an unlisted class reads
as covered — is kept, the autobiography dropped).

Refs #786
Refs #789
2026-08-28 22:14:44 +02:00
timothy 20a6fed165 fix(786,789): workflows declare their own per-job metadata; guard populations derive from it
together. #786 asked for inline workflow-job guards to be enumerated using "the same
reviewed-registry-cross-checked-both-ways shape TOOLCHAIN_JOBS uses"; #789 said that
exact shape is the defect and must be deleted. Building #786 as written would have
constructed the artifact #789 removes.

Both now derive from a marker the workflow declares about itself:

  env.CI_EXECUTION_CLASS  toolchain | bare-runner   (docker-build.yml)
  env.CI_JOB_ROLE         guard | advisory | none   (every tracked workflow)

Missing or unknown values are hard failures in both checkers — a marker scheme whose
absent value defaults to a safe class stops applying the moment a job is added and
nobody notices.

it: set equality between two DERIVED sets is blind to a member leaving both at once, so
a job losing its container: block leaves the declared and pinned sets balanced. The
population needs an anchor that does not move with the block. The marker is that anchor
and is better placed — claim and reality in one diff hunk.

Its cost is adjacency, and is paid rather than argued away: a marker four lines from the
container: block can be deleted with it, where a distant literal could not. So the file
derives the requirement a THIRD time, from each job's own step bodies, independent of
both marker and block. That is also the only check that sees the failure #789 filed —
a .NET step MOVED into a bare-runner job, where no set changes at all. It is a
necessary condition only (functional-e2e reaches dotnet via scripts/e2e-local.sh), and
says so; the converse is deliberately not asserted.

test_workflow_job_guards.py asserts set equality both ways against a new
"Workflow-job guards" table in docs/guard-inventory.md. The marker records the job's
PURPOSE, not whether a step can fail: docker-build.yml::build runs a smoke test that
fails the job and is still `none`. Read the other way, every job is a guard and the
table distinguishes nothing.

The four jobs #786 named as having no dropped-step guard each get a recorded decision in
that section. None is a required context, so a drop there cannot send a required check
green; build's residual was already self-documented and is now indexed. ci-step-ran.sh
is deliberately not widened — its scope is derived from the required contexts (#787) and
test_ci_dropped_step_guard.py argues the ban belongs where a drop is consequential.

Two corrections to the issues, both measured rather than assumed:
  * #789's "editing docker-build.yml re-points ci-image-pin's expected" is false.
    expected="$(git log -1 --format=%H -- docker/ci)" — the pathspec is docker/ci only.
    Verified: docker-build.yml was last touched by HEAD and expected still resolves to
    32747a0, matching the pin. No publish-then-pin two-step was needed.
  * #786's "15 jobs across 6 workflows" is 17.

Proofs, all executed: three real mutations of docker-build.yml witnessed red (container
block removed, marker removed, dotnet step planted in a bare-runner job); the two new
checkers ship parametrised mutants over every job; the declared clause in
mutation_manifest.py is retargeted to the surviving comparison, and the new checker's
entry mutates the guarded ARTIFACT (a renamed table row) per the checker-guard
exception. test_guard_inventory.py's row parsing is scoped to its own section so the
second table cannot be read as phantom guard files.

Suite: 1161 passed, 2 skipped (was 1083) — scripts/tests, ruff 0.12.11 clean.

Refs #786
Refs #789
2026-08-28 22:14:28 +02:00
timothy e11d577193 docs(796): verification code is code under test, and the proof it was claiming an exemption from (#871)
Build ErsatzTV Image / CI toolchain image resolves (push) Successful in 8s
Build ErsatzTV Image / Delimiter ban (release path) (push) Successful in 25s
Build ErsatzTV Image / Build & test (.NET) (push) Successful in 8m38s
Build ErsatzTV Image / EF migration integrity (SQLite + MySql) (push) Successful in 6m9s
Build ErsatzTV Image / Functional E2E (curl + UI contracts) (push) Successful in 5m50s
Build ErsatzTV Image / API docs in sync (OpenAPI + endpoint index) (push) Skipped
Build ErsatzTV Image / Formatting (changed .cs conform to .editorconfig) (push) Skipped
Build ErsatzTV Image / Build & push image (amd64) (push) Successful in 4m18s
Records `testing.verification-code-needs-its-own-proof`: the proof obligation follows the
VERDICT rather than the file, so it binds harnesses, wrappers, timeouts and checkers — not
only the files the guard population derives.

The issue asked for a stated position on whether non-guard checker scripts get mutation
proofs. The position as first written claimed `scripts/mcp_smoke.py` "cannot participate"
because driving it needs the gitignored `.mcp.json` and a cold-built language server. Cold
review refuted that by execution: it takes its config path and server name as positional
arguments. The record had failed its own headline rule on the one claim its decision rested
on, so this ships the proof instead of the exemption.

- `scripts/tests/test_mcp_smoke.py` — a hermetic stub JSON-RPC responder and six cases
  pinning the defects the checker has already had, with the positive control as a fixture
  the refusal tests depend on, so a node-id or `-k` selection cannot skip it.
- A declared clause in `mutation_manifest.py` targeting the unguessable request id, using
  the `guard=test / target=script` shape that already exists for `mutation_harness_lib.py`.
  Witnessed red: `id_init = 1` makes the pre-answer accepted at `initialize` (rc 9 -> 10),
  and only that test moves.

`mcp_smoke.py` still gets no inventory row — one is rejected as a phantom (measured). The
row goes to the test file, which joins the derived population automatically.

Five cold-review rounds, four BLOCKED. Round 2 caught a `ruff format` red that would have
failed `script-tests`. Rounds 3-5 found only hand-maintained counts and uniqueness claims in
prose, three of them created by the previous round's fix; that class was deleted rather than
corrected again, per this record's own stop-and-subtract rule.

Docs updated in the same PR: `docs/README.md` task-signal map and `docs/guard-inventory.md`
(row, summary counts, scope-limit item 6).

fixes #796
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-28 20:06:45 +00:00
timothy 609fd852c2 fix(763): page both /statuses/{sha} reads to a validated terminator (#868)
Build ErsatzTV Image / API docs in sync (OpenAPI + endpoint index) (push) Skipped
Build ErsatzTV Image / Formatting (changed .cs conform to .editorconfig) (push) Skipped
Build ErsatzTV Image / CI toolchain image resolves (push) Successful in 7s
Build ErsatzTV Image / Delimiter ban (release path) (push) Successful in 20s
Build ErsatzTV Image / Build & test (.NET) (push) Successful in 8m45s
Build ErsatzTV Image / EF migration integrity (SQLite + MySql) (push) Successful in 6m10s
Build ErsatzTV Image / Functional E2E (curl + UI contracts) (push) Successful in 6m2s
Build ErsatzTV Image / Build & push image (amd64) (push) Successful in 4m9s
2026-08-28 17:34:48 +00:00
timothyandClaude Opus 5 5fb9c8537a docs(747): re-verify the Gitea 1.25.4-pinned CI claims on 1.27.1, and measure the merge-gate semantics that were source-attested (#867)
Build ErsatzTV Image / CI toolchain image resolves (push) Successful in 10s
Build ErsatzTV Image / Delimiter ban (release path) (push) Successful in 17s
Build ErsatzTV Image / Build & test (.NET) (push) Successful in 9m20s
Build ErsatzTV Image / EF migration integrity (SQLite + MySql) (push) Successful in 6m25s
Build ErsatzTV Image / Functional E2E (curl + UI contracts) (push) Successful in 5m48s
Build ErsatzTV Image / API docs in sync (OpenAPI + endpoint index) (push) Skipped
Build ErsatzTV Image / Formatting (changed .cs conform to .editorconfig) (push) Skipped
Build ErsatzTV Image / Build & push image (amd64) (push) Successful in 4m10s
Population derived from `git ls-files`, not the issue's 9-key list (~21 claim sites).

Re-confirmed unchanged on 1.27.1: the distinct `skipped` commit-status state; `compare` serving
no `files`; no agent-side cancel route (REST route + swagger only); `branches: [main]` suppressing
the run off a non-main base.

Newly measured on four throwaway scratch bases, `main`'s rule never PATCHed: an absent required
context blocks an ORDINARY merge without needing `block_admin_merge_override` (that field governs
the FORCE path only), and `enable_bypass_allowlist` with an empty list is NOT a substitute for it.
Trap recorded: the PR API reports `mergeable: true` while such a merge is refused.

Left explicitly dated with reasons: push-supersession auto-cancel, `pull_request_target` overlap,
`--depth=1` no-merge-base, and the scope-enum/`reqRepoWriter`/403 items. Not a corpus sweep, and
`ci.actions-credential-scoping` now says so. `review-verdict.yml` untouched — #763 holds that file.

Five adversarial review rounds (21/12/9/6/2). Caveat: all same-model-family; Codex was rate-limited.

fixes #747

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-28 16:51:13 +00:00
timothyandClaude Opus 5 462118d98d fix(763): round 9 — assert the repair's reason positively, not by absence
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review-verdict/h10 Review-verdict: MERGEABLE @ 462118d (base: main)
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PR Gates / Script lint and tests (ruff + pytest) (pull_request) Failing after 14s
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A sixth cold review found everything in round 8 clean except one line, and it
is the rule this branch keeps rediscovering: the test pinned the new
`raced_why` only by asserting the ABSENCE of the borrowed wording. Measured —
replacing the string with `zzz` left the suite green while an operator would
get `::error::… — zzz.` beside a sticky sentinel. The sibling test 330 lines
away states the rule and follows it; this one did not.

Now asserted positively, with the em-dash and full stop discriminating the
`::error::` reason from the `::warning::` text that continues ", which cannot
be true". The `zzz` mutation reddens it.

Three nits from the same review, all verified by execution rather than reading:
  - the earlier fixture's row was excluded by the strict `> $since` because the
    mark became its OWN id, not because it sat below the mark.
  - the predecessor comment said `main` "warned only on `null`". True of the two
    EMPTY shapes being contrasted; an empty body and a non-array object warned
    as well. Scoped.
  - `docs/ci-cd.md` and the record described the `::error::` as a two-way split
    (found vs unverifiable). Round 8's whole argument is that a complete read
    returning an IMPOSSIBLE answer is a third case, not a variety of the second
    — which is the operator-facing point, since it decides whether to go looking
    for an API failure that never happened. Both now say three.

The review re-verified, by comment-stripped diff, that round 8 changed no
executable line beyond the `raced_why` string and the if/elif restructure, and
independently reproduced both inertness measurements and the `origin/main`
predecessor behaviour.

Verification: `scripts/tests` 1097 passed, 2 skipped; decisions_validate and
build_decisions_catalog --check exit 0.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 18:42:22 +02:00
timothyandClaude Opus 5 e6f04cc739 fix(763): round 7 — reject an empty post-write history, and the fourth overclaim
A fourth cold review returned NOT-MERGEABLE on two Mediums. Both fixed, plus
its three Lows.

MEDIUM, and a defect this branch introduced. Tolerating a `null`/`[]` page 1 as
"complete, zero rows" is correct for the PRE-write caller — a head nothing has
posted to genuinely has no statuses — and impossible for the POST-write one,
which has just written a row to that sha. The body is well-formed, so nothing
retries it, and the walk reports success: `raced=0` concluded from a list that
cannot be real, on the one path whose failure direction is toward SUCCESS.
Worse than the code it replaced, which at least emitted a `::warning::` — a
logged fail-open had become an unlogged one. Reviewer measured both directions.

The post-write caller now rejects an empty result itself; the walk stays
caller-agnostic because the pre-write caller genuinely needs the empty answer.
This is NOT the withdrawn currency witness: that asked whether ANY row sat above
the mark, which an unrelated newer row satisfied while the rejection stayed
hidden, and it fired on schema-valid staleness. This asks only whether the list
is EMPTY — a state no unrelated row can produce and no ordering can disguise.
It carries neither defect. Proved by fixture; disarming it reddens the named
test, and the previously-uncovered `null`-at-page-1 clause is now covered too.

MEDIUM — the fourth overclaim of the same class, in the decision record body:
"Uncertainty must fail closed at both ends … Both repair now." The page-2 probe
was DELETED, not converted; it repairs nothing. It also contradicted the
record's own `rule:` ("the two directions are NOT symmetric") and the bullet
directly beneath it. Round 5 retracted this wording in `docs/ci-cd.md` only —
the sweep was by subject, not by the retracted words.

Also fixed:
  - the record presented "an empty FIRST page is legitimate" as a property of
    the walk; it is a property of the pre-write caller.
  - `docs/ci-cd.md` called the numeric-only id comparisons a fix for mark
    inflation; they are a TYPE guard, closing the string half. A corrupt but
    genuinely numeric id still inflates the mark — not attacker-controllable,
    since ids are server-assigned, and now stated rather than implied.
  - `test_a_partial_mark_is_SAFE...`'s self-guard promised to detect that the
    fallback ran; it keys on a warning emitted by a different condition, so
    deleting the fallback left it green. Its sibling is what reddens; the
    message now says what it actually pins.
  - the order-faithful fixture appended the job's own POST after the reversal,
    serving the NEWEST row on the OLDEST page — the opposite of DESC, in the one
    fixture that exists to be ordering-faithful.
  - "twice per walk" for the wasted sleep; it is once per walk, twice per run.
  - a dead counter read in the DESC mode.

Rebased onto b16ec15d6 (the other session's #781/#799 docs work; no file
overlap, no conflicts).

Verification: `scripts/tests` 1097 passed, 2 skipped; fifteen executed mutations
across rounds 2-7; decisions_validate and build_decisions_catalog --check exit 0.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:47:06 +02:00
timothyandClaude Opus 5 89db6022d9 fix(763): round 6 — measure the partial-mark fallback under the REAL ordering
A fourth cold review (Opus, isolated worktree, tests/double/docs focus)
reported no correctness bugs in shipped behaviour but two coverage defects on
exactly the two things this change advertises. Both are closed.

The partial-mark fallback's safety is a claim ABOUT THE ORDERING — page 1 holds
the newest rows, so a walk that fails later still saw the true maximum. The
fixture pinning it served ASCENDING ids, i.e. the arrangement the design calls
unsafe, and passed anyway because the raced row's id sat above even the partial
mark. It could not distinguish safe from unsafe.

The stub now HONOURS the sort parameter: order-faithful modes serve DESC by
default and ASC when the request asks. The new fixture holds a PRE-EXISTING
base-mismatched verdict at id 7055 among 60 rows. Under DESC the salvaged mark
is 7059 and that row is below it — the exemption correctly stands. Under ASC
the mark would be 7049 and that untouched row tests as NEWER, a sticky repair
on a head nothing raced. So re-adding `sort=highestindex` now reddens by
BEHAVIOUR, not only by the structural assertion added in round 5. Measured:
re-adding it reds both tests.

Most modes stay ordering-blind on purpose and now say so: they test walk
COMPLETENESS, which is order-independent, and insertion order is what lets a
fixture place a row beyond page 1.

Also fixed:
  - `null` is accepted as an empty page. An array-only gate is the exact shape
    of #751 — `count_retargets` had one, the timeline really did return `null`
    past the end, and the fence withheld EVERY exemption from the day it
    shipped. The same narrowing here is worse, because this walk's failure is
    the STICKY sentinel: every exempt PR would need a hand-posted verdict, per
    head. Tolerating `null` cannot misread `[]`. Proved by fixture.
  - the fail-closed comment said "past the 1000-row page cap"; the bound is 950,
    as the walk's own comment and both docs already said.
  - the docs claimed "only a read returning no rows at all abandons the mark".
    False: a VALIDATED empty history yields a mark of 0 and is not abandoned —
    that is the normal first run. What abandons it is a read that both FAILED
    and returned nothing. Corrected in ci-cd.md and the record `rule:`.
  - a comment pointed at the page-2 probe "a few lines further down"; it was
    deleted, so the deixis pointed at nothing.
  - the stub claimed its logical-read counter "is only reached on a SUCCESSFUL
    page-1 serve" — measured false; it counts page-1 requests, retries included.
  - five `(round N)` markers removed. A round number is session chronology and
    does not parse for a reader who never saw it (`docs.no-session-narrative`);
    an issue number does. The four that remain predate this change.

Verification: `scripts/tests` 1096 passed, 2 skipped. Thirteen executed
mutations across rounds 2-6. The reviewer independently re-ran the earlier
matrix and confirmed it, with one correction carried here: two of those
mutations redden MORE than their named test, so "each reddening exactly its
named test" was wrong — they redden at least it.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:34:08 +02:00
timothyandClaude Opus 5 53ee44cbc1 fix(763): round 5 — correct the overstated motivation, and fix the string-id twin
A third cold review (Opus, isolated worktree) returned NOT MERGEABLE with one
High and three Medium. All are addressed.

HIGH — the stated motivation was wrong, and self-contradictory once round 4
landed. Under the server default (`created_unix DESC`) page 1 holds the NEWEST
rows and ids are monotonic with `created_at`, so page 1 already carried the
true maximum id AND every row newer than the mark — the only rows the
post-write check selects on. A single-page read therefore missed a raced
verdict only if more than 50 rows were created INSIDE the write window, not
merely on "a head with more than 50 rows", which the issue, the comments and
the docs all asserted. Reviewer executed an order-faithful DESC stub: a
page-1-only reader repairs identically to the full walk.

What actually removed #761's stall is retiring #751's page-2 probe, not the
paging. The walk still earns its place, for a reason now stated instead of the
false one: it stops the gate's one fail-toward-SUCCESS path depending on an
undocumented ordering the server honours only coarsely (page 1 came back
`114,112,113,111,110`). That measurement was deleted in commit 1 and is
restored, since round 4's safety argument rests on exactly it.

MEDIUM/real defect — the string-id TWIN, live on `main` and one expression
away from the fix already made: `select((.id? // 0) > $since)`. jq orders
strings above every number, so a PRE-EXISTING row with `"id": "3"` reads as
newer than any mark, is counted as having raced the write, and gets the sticky
sentinel plus a false "was overwritten" on EVERY later run — a permanent
per-sha stall no re-trigger clears. Now numeric-only, with a test.

Also fixed: a non-empty history carrying no numeric id was collapsed to a mark
of 0 (making every pre-existing row look newer); it is now reported unusable
and the check is skipped. `sleep` no longer fires after the final attempt.

Three unpinned clauses now have tests, each proved by an executed mutation:
  - the page cap is a refusal, not a terminator (1050-row fixture)
  - the `::error::` found-vs-unverifiable distinction (forcing `raced_why=human`
    reddened nothing before)
  - the walk requests no sort order — a structural guard on round 4's
    withdrawal, which nothing mechanical protected. It reads request LINES, not
    comments, since the withdrawal note names the parameter to explain it.

Honest scoping, not new code: the test double is ordering-blind, so the paging
tests prove WALK COMPLETENESS, not that a real raced verdict would otherwise be
missed — under DESC it would not be. The stub comment and the docstrings now
say so rather than implying the stronger claim.

Docs: `ci-cd.md` and the record's `rule:` carry the corrected reachability, the
DESC dependency of the partial-mark fallback, and both rejected alternatives
stated as rejected alternatives rather than as draft chronology
(`docs.no-session-narrative`).

Verification: `scripts/tests` 1094 passed, 2 skipped; eleven executed
mutations across rounds 2-5, each reddening exactly its named test;
decisions_validate and build_decisions_catalog --check exit 0.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:34:07 +02:00
timothyandClaude Opus 5 1eb7b41fc1 fix(763): round 4 — withdraw the ASC sort, which inverted the partial-mark fallback
Round 3 added `sort=highestindex` to close a mid-walk-insert gap: under the
server default (`created_unix DESC`) a row inserted while the walk is running
lands at position 0, on a page already read, so the walk never sees it.

That fix and the round-2 partial-mark fallback are incompatible. ASC puts the
OLDEST rows on page 1, so an incomplete walk takes its high-water mark over
the oldest rows — leaving every pre-existing row above the mark and read as
"raced". That is a spurious STICKY repair on a head nothing raced, which is
precisely the #761 failure this whole issue exists to remove. Under the
default DESC the newest row is on page 1 by construction and ids are monotonic
with `created_at` (measured), so a partial mark is at or very near the true
maximum and "lower is safe" actually holds.

Two defects from one mechanism again, so the mechanism goes rather than
getting patched: the sort is withdrawn and the mid-walk-insert residual is
ACCEPTED and documented. It is bounded — a row arriving after this job's POST
is not one this job overwrote, and being newest it wins on the combined
endpoint branch protection reads.

Both the code comment and the docs record the withdrawal and the reason, so
the next reader does not re-adopt it.

Verification: `scripts/tests` 1090 passed, 2 skipped; the partial-mark mutation
still reddens `test_a_PRE_WRITE_paging_failure_still_yields_a_usable_high_water_mark`;
decisions_validate and build_decisions_catalog --check both exit 0.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:34:07 +02:00
timothyandClaude Opus 5 007d2fd3df fix(763): round 2+3 — close the fail-opens the paging change introduced
Two independent cold reviews (Codex GPT-5.6 cross-family, and an isolated
Opus agent) converged on the same blocker, which is fixed here along with
everything else they found.

BLOCKER — the mark walk turned a fail-closed case into a fail-open. The
high-water mark gates the post-write race check entirely: `max_id_before=-1`
skips it. Before paging, only a failure of the single page-1 request could
reach that. Requiring a COMPLETE walk newly routed a page-2 hiccup, an
over-cap history, or one malformed id on a later page into the same hole, so
a human rejection racing the write was left green where `main` repaired.
A partial list now still yields a mark: it can only be LOWER than the true
maximum, which makes the check more eager, never blinder. Only a read
returning no rows at all abandons it — the pre-existing #849 gap, unchanged
and now asserted by a test so it stays visible.

WITHDRAWN — the "currency witness". It produced two defects from one
mechanism, which is the signal to remove rather than patch twice: counting
ANY row above the mark does not witness this job's write, so a stale-but-valid
snapshot carrying an unrelated newer row passed while hiding a rejection; and
a schema-valid stale read is not retried, so one such response turned a
transient anomaly into a permanent sentinel. The hazard has no mechanism here
either — Gitea is a single instance with no read replicas. Removing it
restores the pre-change exposure on that path, a non-regression.

Also fixed, each a fail-open with a fixture and an executed mutation:
  - `.creator` is type-tested before indexing. `.creator.login` on a non-object
    exits jq 5 and `set -e` took the step down after the green was posted and
    before the repair. Reproduced by both reviewers.
  - the mark is the max over NUMERIC ids only. jq orders strings above every
    number, so one `"id": "99999"` passed the numeric gate and inflated the
    mark until nothing looked newer.
  - an unusable `raced` count now repairs instead of "not acting on it".
  - `sort=highestindex` (ASC, measured) so a row inserted mid-walk appends at
    the end rather than at position 0 on a page already read. An unknown sort
    value silently falls back to DESC, so this is insurance, not load-bearing,
    and the comment says so.
  - `ph_ok`/`ph_rows` renamed off `read_existing_verdict`'s `st_ok`. No live
    bug, but a name collision in a 1400-line step.

Tests the reviews showed were missing, each proved by an executed mutation:
  - verdict beyond a SHORT page (a deliberately unfaithful truncated response
    — against a faithful double a short page is always the last, so the rule
    "terminate only on an EMPTY page" was unobservable)
  - pre-write paging failure still yields a usable mark
  - pre-write read returning nothing abandons the mark and says so
  - a TRANSIENT page failure is retried (the retry was unproven code: every
    other error mode fails on every attempt, so disarming it reddened nothing)
  - a string id cannot inflate the mark
  - a malformed `creator` row does not kill the job

Stub corrections, both the same class as the earlier `[]`-vs-`null` gap: it
served one flat list (so paging was unobservable) and computed its own-post id
with `max()` over mixed str/int, which raised TypeError and made the string-id
test pass because the DOUBLE crashed rather than because the mark was right.

Mutation matrix, all executed, each reddening exactly its named test: retry
disarmed; numeric-max reverted; partial-mark fallback removed; short-page
terminates; page-1-only walk; post-write fail-closed flipped open; jq
type-guard reverted. The unusable-count arm is unreachable by any fixture and
is annotated as such rather than claimed as proved.

Verification: `scripts/tests` 1090 passed, 2 skipped; decisions_validate and
build_decisions_catalog --check both exit 0; terminator, clamp, sort order and
id monotonicity all re-measured live on Gitea 1.27.1.

refs #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:34:07 +02:00
timothyandClaude Opus 5 4368cc8cbe fix(763): page both /statuses/{sha} reads to a validated terminator
`review-verdict.yml` read the per-POST status history twice with a single
`?limit=100` request. `limit` clamps to the server-wide `MAX_RESPONSE_ITEMS`
(measured 50), so on a head carrying more rows than the clamp both reads saw a
partial list. The high-water mark was only page 1's maximum, and — the direction
that matters — a raced human verdict beyond page 1 was invisible to the
post-write race check, leaving a forged green over a rejection.

Both reads now walk to a validated empty page (`[]` on this endpoint, measured
2026-08-28 against PR #761's 114-row head: pages 1-2 return 50, page 3 returns
14, page 4 is `[]`), never terminating on a short page, under a 20-page cap and
retrying each page once. Correctness does not depend on the cap value.

This retires #751's page-2 "assume raced" probe, which repaired every head that
outgrew one page. It fired on Renovate PR #761: an `::error::` claimed a human
verdict had been overwritten on a head carrying none, and the sticky sentinel
then refused re-exemption on every later run.

Two properties replace it. Uncertainty now fails closed at both ends — the
unreadable-history branch warned and left the exemption green while the page-2
probe repaired on the same uncertainty, one check disagreeing with itself; this
is affordable only because paging removed the common trigger. And the post-write
read must witness the job's own write: reaching a validated empty page proves the
walk finished, not that it saw a current list, so at least one row above the
pre-write mark must exist because the job just posted one.

The `::error::` now distinguishes a verdict actually found from an unverifiable
read. The sentinel description stays generic — the classification recognises it
as a fixed point, so its wording is load-bearing.

The stub gained faithful paging (50-row slices, `[]` past the end, one snapshot
per logical read so a counter mode cannot describe two different histories across
pages) and, separately, modelling of the job's own POST appearing in the history
— which it had never done, so in its world every ordinary run looked like a head
nothing had been posted to. `own-write-invisible` withholds exactly that detail
as the negative control for the currency witness.

Mutation-proved by execution, one clause at a time:
  - walk reads page 1 only -> RUNNING_PAST_PAGE_1_is_PAGED_and_the_exemption_
    STANDS, raced_verdict_on_PAGE_2_is_detected_and_repaired and both UNREADABLE
    history tests go red
  - currency-witness zero branch deleted -> CANNOT_SEE_OUR_OWN_WRITE red
  - fail-closed flipped to fail-open -> both UNREADABLE history tests red

Verification: `scripts/tests` 1085 passed, 2 skipped; decisions_validate and
build_decisions_catalog --check both exit 0.

fixes #763

Decisions-Edit: yes
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-28 17:34:07 +02:00
timothy 761e575836 fix(787): derive the dropped-step guard's scope, and reconcile its snapshot against the server (#861)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-27 22:37:02 +00:00
timothy 8aebba4d89 fix(748): declare permissions: on all six workflows, and prove the declaration binds (#860)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-27 22:02:44 +00:00
timothy 45b17e58e1 fix(744,835): ci-image.yml publishes from main only; guard persist-credentials with no exemption (#857)
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Closes the push route into ci-image.yml (#744) and ships the persist-credentials guard that was waiting on it (#835).

ci-image.yml's push trigger had no branches: filter and was path-scoped to docker/ci/** AND to the workflow file itself. Gitea resolves a push workflow's definition from the pushed ref, so any branch push touching those paths ran that branch's own YAML on a docker-capable runner holding the credential that writes ersatztv:prod and the ersatztv-ci:<sha> five container: jobs execute.

Be precise about what the filter buys: it is loaded from the pushed ref like the rest of the file, so a branch that deletes it re-enables the route. This closes the DRIVE-BY case - publication as a side effect of an ordinary push - and is not a boundary against a writer who intends to run their own YAML. The wider class is #853.

The self-reference left both paths: and ci-image-pin's expected in the same change - a decided tradeoff with both prices stated, not a necessity. Branch publishing moves to workflow_dispatch, probed live: run 2340 on this branch published ersatztv-ci:43b1e45 and left :latest unchanged.

With both mechanical blockers gone, ci-image.yml's checkout takes persist-credentials: false (16 of 16) and scripts/tests/test_workflow_persist_credentials.py holds the convention with NO exemption list - git-index population, declared clause mutation re-run every suite, guard-inventory rows.

fixes #744
fixes #835

Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-27 20:44:44 +00:00
timothy d68ce42fcb fix(742): inherit an h10 verdict only from an allow-listed reviewer (#850)
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`review-verdict.yml` decided whether an existing `review-verdict/h10` was worth INHERITING by
testing `.creator.login != null` — satisfied by any account's credential, including the `renovate`
bot's `RENOVATE_TOKEN`, a `write:repository` PAT that cannot be scoped down the way #697 scoped the
registry credential. The test is now membership in `H10_REVIEWERS="timothy"`, a literal in the
base-resolved definition.

The design that survived 11 cold review rounds:

* `read_existing_verdict` carries TWO flags. `ex_human` (attributable AND allow-listed) gates
  INHERITANCE; `ex_attributable` gates the last-moment re-read, which asks the opposite question and
  must stay broad. Narrowing both — the first draft — makes the job post its exemption over a
  mid-run rejection, and the post-write repair does not cover that.
* The two calls no longer compute an identical predicate, so "changed" is made explicit: the
  state/creator/description triple from the first read is snapshotted and compared.
* The allow-list governs an inherited `success` ONLY. An existing `failure` inherits on
  attributability alone, because inheriting a rejection can only withhold an exemption while
  re-deriving one can turn it green on an exempt PR. A symmetric rule was a measured fail-open.
* The post-write raced check stays broad — not because narrowing would let a rejection go green
  (a real reviewer is on the list by construction), but for the misconfiguration case.

Two mechanisms were WITHDRAWN rather than patched a third time, and both withdrawals are recorded
in `ci.exemption-provenance` so they are not re-attempted: a `::warning::` annotation that produced
three defects in three rounds, and a post-write fix whose generic `pending` would have been
re-derived anyway and which had no retry trigger.

Verified: the inheritance predicate driven against the LIVE Gitea API on a probe-named context,
both allow-list directions; every clause mutation-proven against the shipped file; `scripts/tests`
1012 passed, 2 skipped.

Follow-ups filed: #845 (post-review-verdict.sh does not check its own account is allow-listed) and
#849 (post-write verification: three routes leaving an exemption `success` over a human `failure`,
plus the retarget fence's post-POST gap, plus the prose sweep that lands with the behaviour).

fixes #742

Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-27 02:52:02 +00:00
timothy ed8b602445 feat(735): bound the numeric FFmpeg profile fields with a 422, and expose readrate pacing (#847)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 22:05:38 +00:00
timothy 469d19852c fix(788): one declarative H10 verdict vocabulary, derived by both sides (#846)
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The verdict words lived in two hand-written shell copies — the `case` arms of
post-review-verdict.sh (write) and the POS_RE/NEG_RE regexes of
check-review-verdict.sh (read) — held together by nothing but a comment that had
already gone stale. scripts/lib/review-verdict-vocabulary.sh now declares them
once and both sides derive; neither script enumerates a verdict word any more.

Only the WORD SET moved. The grammar stays in check-review-verdict.sh, where
every #629 false-open actually lived.

No parity test: #774 shipped one and withdrew it after six rounds, because a
regex over shell source is not a shell parser. The proof is behavioural and
graded MUTATION — the harness restores the pre-#788 hardcoded POS_RE each run and
requires it to redden.

Enforcement is a DATA dependency, not a control-flow gate. Review round 1 found a
real fail-open in the first commit: `${#arr[@]}` is nounset-safe only for a
declared-empty array, and under `set -u` that error inside a function called as
`if ! validate` skips BOTH branches — so on the reader (deliberately no `set -e`)
an explicit BLOCKED @ head classified `positive`, exit 0. Validation now sets a
sentinel on its last line and the derived views refuse without it.

Six cold review rounds; rounds 2-6 found no fail-open across differential fuzzing
(4788 / 2612 / 7560 payloads, zero divergences from origin/main's grammar),
sentinel forgery, environment poisoning, declare -p evasion on bash 5.3 and 3.2,
path/symlink resolution and probe TOCTOU. Every malformation fails closed: reader
exit 2, writer exit 1 with nothing posted.

Also corrected: CLAUDE.md and release.review-verdict-gate both enumerated the
vocabulary without LGTM, a word the code has accepted since #629.

fixes #788

Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 20:58:09 +00:00
timothy ba6a4b08aa feat(732): On Now / Next gets a background box, and is on by default (#843)
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probe742/combined-newest SECOND
Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 19:28:25 +00:00
timothy f2551b778e fix(746): drop the persisted checkout credential; unmask the base-ref fetches (#842)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 18:50:56 +00:00
timothy 40a3232d9e feat(734): field-level progressive disclosure — shared FieldHelp trigger + panel (#841)
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Implements the three-level field-help pattern from #734 as a shared component: field name + optional one-sentence summary → a one-short-paragraph panel behind a consistent Info-icon trigger → a future external-docs deep link (`docsHref`, built and typed; no screen passes one yet).

Adopted on FFmpegProfilesScreen (9 fields), documented as docs/spa-conventions.md §15 with decision record `spa.field-progressive-disclosure`, and mirrored into the design-system prototype.

The panel is portalled to document.body: `.ctv-card` sets `overflow: hidden`, which clips a positioned descendant whatever its z-index, and one field's explainer rendered 12px of a 92px paragraph in every state of the Audio card.

A `::before` hover bridge was added and then WITHDRAWN — it held for a vertical descent onto the panel and failed for a diagonal one, leaving a safe sideways exit of 1.25px on an 18px icon. Hover reads the paragraph in place; the panel's interactive content is reached by pinning.

Four cold adversarial review rounds; the first three returned BLOCKED. They found five wrong copy claims across nine paragraphs and two vacuous tests in a row for the same mechanism.

Deferred with owners: #839 (placement verified by hand, not by a test) and #840 (the portal puts a docsHref link at the end of the tab order).

fixes #734

Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 18:05:53 +00:00
timothy 35affecd29 docs(755): ersatztv owns the fork code, media-management owns channel operations (#838)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 17:29:16 +00:00
timothy e8e17f3844 docs(708): record the live route-2 reproduction against PR #761 (#834)
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2026-08-26 09:11:23 +00:00
timothy 08cd3a002d fix(690,758): count the same query a paged handler pages (#833)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-26 07:39:23 +00:00
timothy 3e2c07b42f fix(807): SPA full-replace bodies are built as Complete&lt;T&gt;, with a derived guard over droppable request members (#827)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-23 00:58:19 +00:00
timothy 7966e08164 fix(701): guard SongMetadata's nullable primitive collections at the read site (#826)
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2026-08-22 23:24:41 +00:00
timothyandClaude Opus 5 b5dee26202 fix(701): guard SongMetadata's nullable primitive collections at the read site
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review-verdict/h10 Review-verdict: MERGEABLE @ b5dee26 (base: main)
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Both search indexers opened UpdateSong with

    metadata.AlbumArtists ??= [];
    metadata.Artists ??= [];

Artists/AlbumArtists hold the whole list in ONE COLUMN rather than
being navigations. So unlike the same `??= []` idiom on
Genres/Tags/Artwork all around them, the property IS the column value:
assigning it on a TRACKED entity flips the entry to Modified and the
next SaveChanges writes [] over a NULL column. This is the mechanism an
adversarial review demonstrated in #691, which is why that issue's
entity-level guard was reverted in favour of guarding at the read site.

Measured rather than reasoned about, per the issue's first done-when
box. Restoring ONLY the `??= []` clause (the real predecessor lines,
not a hand-written mutant) reddens the new fixture on
`metadata.Artists should be null but was []`; a probe variant with the
first two assertions replaced by prints reports STATE=Modified and the
raw column moving from NULL to "[]". Today's two feeds are both
AsNoTracking (SearchRepository.GetItemToIndex and GetAllSongs), so no
shipped caller loses data -- but that is a property of two callers, not
of the indexer, and #691 already recorded it as a loaded gun. The
fixture pins the indexer's own contract instead.

Removing the assignment is not sufficient alone: it was load-bearing
for the four reads below it, and deleting it by itself converts a
silent write into a live throw on every untagged song. Measured by
deleting only those two lines from the real predecessor file:
NullReferenceException, thrown at the foreach (cited by symbol: a line
number in a mutant that exists in no committed tree is unreproducible
by construction). The
exception type follows the read FORM, not the field -- foreach yields
NRE, string.Join/ToList yield ArgumentNullException -- and this PR
contains two of each, which is why no single exception-name grep
characterises the class. So each site moves together with its reads:

- LuceneSearchIndex.UpdateSong / ElasticSearchIndex.UpdateSong: hoist
  Optional(...).Flatten().ToList() locals and read those.
- RefreshChannelDataHandler: the Scriban context took the raw nullable
  lists (the issue's second item). The shipped _song.sbntxt only does
  array.join, but a custom template is free to do anything.

The population was derived from the MODEL rather than from the issue's
file list, and the obvious derivation is wrong: "the IList<string>
properties under ErsatzTV.Core/Domain" returns two of eight. It misses
the six value-converted collections (ProgramScheduleAlternate and
PlayoutTemplate each carrying DaysOfMonth, MonthsOfYear, DaysOfWeek),
declared as plain ICollection<T> and made single columns only in
Data/Configurations -- and their storage differs (comma-separated text
for the int converter, JSON for the enum one), so the shared property
is "one scalar column", not the serialization. No site applies `??=`
to any of the six, so this defect has no instance there; whether a null
can REACH one at runtime is unverified and is filed as #823 rather than
asserted either way. Only the SongMetadata pair is left NULL in
practice, by FallbackMetadataProvider. Every site touching either field
was then swept; the remaining readers were already guarded by #691.

The fixture carries two anti-vacuity guards, both witnessed:

- A POSITIVE CONTROL (`writer.NumDocs.ShouldBe(1)`). Every other
  assertion says something did NOT happen, so all of them hold
  vacuously if UpdateSong never runs -- and it silently stops running
  if a future refactor gates UpdateItems on `_initialized`, which this
  fixture bypasses by injecting the writer. Verified BOTH directions:
  with that gate added the control fails `NumDocs should be 1 but was
  0`, and with the control removed the whole test PASSES while the code
  under test is unreachable.
- A capturing logger, because UpdateSong wraps its body in a catch that
  assigns metadata.Song = null -- severing a required relationship and
  cascading the metadata to Deleted. Without it the probe silently
  measures the error path; on the first run it did exactly that (a bare
  ILanguageCodeService substitute NPEs inside AddLanguages). The raw
  column helper also fails loudly on a missing row, since ExecuteScalar
  returns CLR null for both "NULL column" and "no such row".

ElasticSearchIndex has no equivalent fixture -- it needs a stubbed
transport -- so its change is by inspection against the Lucene one, and
the gap is filed as #824 rather than covered by a source-text guard.

The whitespace-only churn in ElasticSearchIndex.cs is the #311
fix-as-you-touch format gate: it scopes to whole changed FILES.
`git diff -w` over that file shows only the two hunks above.

Local gate: ErsatzTV.Tests 2006 passed / 4 pre-existing skips,
Core.Tests 685/1 skip, Infrastructure.Tests 114, Architecture.Tests 7,
Scanner.Tests 1504 -- 0 failures in each. scripts/tests 874 passed / 2
skipped. dotnet format whitespace --verify-no-changes clean on the four
touched files, no BOM on any. decisions_validate OK.

Fixes #701

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-23 00:49:57 +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
timothy 29d7a06e65 fix(806): guard populations over FILES derive from the git index, not a filesystem walk (#818)
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`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
timothyandClaude Opus 5 3a53c50c45 docs: a cancelled job reads as failure where a monitor actually looks (#817)
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`ci.cancelled-is-not-a-verdict` documented the run/job API, where cancelled is distinguishable. The endpoint a CI monitor actually polls — `commits/{sha}/status`, the per-sha view the merge gate reads — has no `cancelled` state and reports one as `failure`. The record now says to resolve the job-level `conclusion` before reporting a red.

The kickoff's push HARD CONSTRAINT is tightened from "a review has run" to "a CLEAN verdict, zero outstanding findings on the current tree", since #790's rounds 7 and 8 each still found a real mechanism defect and every earlier push auto-cancelled a live run.

Refs #790

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-22 13:35:21 +00:00
timothyandClaude Opus 5 3b386649bf feat(790): execute every MUTATION grade instead of asserting it (#815)
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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
timothy d4c72697f2 feat(780): commit a ruff config and enforce it in CI (#813)
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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
timothy 6a4265d81d feat(784): a doc records the end state — generalize the no-session-narrative rule (#811)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-22 00:23:22 +00:00
timothy 649acd12ee feat(779): test the deny path at the production config value, and derive full-replace field lists (#808)
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Two conventions from #773's detector menu (F and G), each as a decision record plus a filled gap.

Part 1 — the deny path at the production config value. Every assertion about the API read-gating posture ran through a hand-written fake HANDED the boolean, and no test in the repo constructed ApiKeyProvider at all, so the line deriving that posture from configuration had never executed. Now covered across the matrix through the real provider: absent, true/True/TRUE, false/False, and a present-but-non-boolean value (which throws at startup — fail-closed, pinned).

Part 2 — a full-replace path asserts its complete field list. ScheduleItemResponseRoundTripTests is the release gate for the flat schedule-item DTO, and its comparer was itself a hand-copied field list: complete when written, unable to report when it stopped being. Now derived by reflection with an empty exemption set and a written-down count pin (55).

Four cold adversarial review rounds. Three returned BLOCKED, every one on a claim in a decision record that the code contradicted — the exact defect the records exist to name. The surviving rule, now written into the record: state the measurement and the code path you actually read; do not generalise from one executed case, and do not explain a mechanism you did not measure.

Residual SPA optional-field drift tracked as #807.

fixes #779

Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-21 19:22:30 +00:00
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 456042ee51 fix(778): stop claiming parity with Gitea's glob matcher — classify, or ask
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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
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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 e5996b7c1e docs(778): the population was wrong three times — record what finally fixed it
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The record said "wrong twice" and drew the lesson "execute the traversal and eyeball
it". The third instance (rglob picking up untracked `.husky/_` shims) shows that was
still the wrong generalisation: every round had executed its traversal, and every round
had an argument for why it was sufficient.

What held was changing the SOURCE, not the walk — `git ls-files` instead of the
filesystem. The index is authoritative, identical for CI and every checkout, and
excludes untracked build output by construction. So the lesson is the one
`testing.guard-derives-population-from-source` already states, one level up: ask what
the authoritative list of these things IS, and if the answer is "whatever the walk
finds", the guard is not finished however carefully the walk is written.

Decisions-Edit: yes

refs #778

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-19 17:54:00 +02:00
timothyandClaude Opus 5 25048d9ea4 fix(778): round 3 — the fence covers BASE aliasing only, and stop citing a moving count
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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
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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
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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
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#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
timothyandClaude Opus 5 15d2439915 feat(794): witness a fix's test failing BEFORE the fix, and check the claim in CI (#801)
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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
timothy 499dd348ab feat(776): every hook reports that it fired, and the report is measured (#795)
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Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-14 19:11:05 +00:00