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timothyandClaude Fable 5.1 a7d91bf15a fix(876): sweep session narrative out of hooks, workflows, scripts, tests and code comments; grow the detector to the process corpus
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review-verdict/h10 Review-verdict: MERGEABLE @ a7d91bf (base: main)
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`docs.no-session-narrative` reaches every durable artifact, but its detector scanned only
`docs/**/*.md` and root markdown, and nothing had ever swept the rest. The issue named four sites
from one grep and called them a floor. Deriving the population instead — a whitespace-joined sweep
over every tracked file outside the detector, for the detector's own phrasings plus the attribution
and review-round class #812 found — gave 453 sites in 108 files at `fb5592971`, and a second pass
for phrasings the first list missed (hyphenated `round-N`, "an earlier version", "the reviewer
proved") added residuals in the same files. Every site was classified with #812's three
dispositions (CUT / SEVER / KEEP with its sub-kind) under the who-benefits test; the per-site
manifests are on the PR. The rejected designs, tested-and-rejected fixtures, measurements and
traps stay; the attribution of who found them and the round in which they were found go.

The detector's population grows to `.claude/`, `.gitea/`, `.husky/` and `scripts/` regardless
of extension, minus the detector and its own test (whose fixtures ARE the phrasings) and minus
`scripts/tests/fixtures/` (test data, including decision-record copies — the same reasoning as
the records' own exemption, and what keeps the record's depth measurement true), and `--all`
lists tracked REGULAR files only — a symlink's content is its target and a gitlink has none. The #812
argument for leaving `docs/superpowers/**` in the population runs the other way here: `--diff`
sees only ADDED lines, and 287 of the 453 sites were under 30 days old — this corpus is where
narrative is being added, so the advisory nudge has reach. Density agrees: 56 line-mode hits over
the 113 regular files the predicate admits, against 9 over 66 docs files before #812. `web/` and C# stay out on the same
measurement (3 of 74 PATTERNS-matching sites, ~4,600 files). The predicate did not grow: PATTERNS
matched 74 of 453 sites, and widening the word list to the attribution class is the treadmill
the withdrawn parity test ran on. The population oracle is restated over segments with the new
arms, the synthetic cross product gains the process heads and non-markdown extensions, a fixture
witnesses that a tracked symlink is neither scanned nor counted, a `.py.bak` axis separates a
by-name exemption from a `startswith` over the same tuple, and eight mutants (drop the process
arm, drop the by-name exemption, exempt by `startswith`, drop or add a prefix, drop the fixtures
exemption, list only markdown, drop the symlink filter, test the mode per row instead of per
path) each
redden it. A pre-existing silent drop in `--diff` goes with it: git tab-terminates a `+++`
filename that contains a space, and the kept tab made `is_scanned_path` refuse the file with no
notice — fixed, with a positive control and its own mutant.

Code is unchanged by construction, measured per file type against `origin/main`: Python modules
are AST-equal with docstrings stripped, except `#` lines inside the embedded fixture programs
(string literals) of three test modules; workflows differ only in `#` lines inside `run:` block
scalars; shell, C#, TypeScript and jq are equal with comment lines stripped. The stated
exceptions: the detector and its test, 26 vitest titles that carried review-round or severity
labels or a reviewer attribution (call sites whose title changed — every changed title line
walked back to its `it(` / `it.each(...)(` anchor, so a `' + '` concatenation counts once), two
registry note strings and the mutation manifest's prose fields. scripts/tests: 1565 passed.
Web: lint, typecheck, 1319 tests green. Closes #876.

Decisions-Edit: yes
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PEcBoFw7ctrf3Nb7R7x7wk
2026-09-03 20:51:39 +02:00
706674272c test(785): mutation proofs for the three unproven ranked guards (#810)
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Closes the remaining three entries on #785's ranked list with clause-level mutation proofs, each
witnessed red against the real subject in place:

* the `pretooluse-worktree-guard.sh` + `posttooluse-worktree-marker.sh` PAIR — four clauses,
  including the cross-file seam (a clause in the marker hook, asserted against the guard's
  decision) that could not exist while the halves were tested apart;
* `.husky/pre-push:11`'s `unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE` — git exports `GIT_DIR` to
  `pre-push` only from a worktree, which `process.shared-tree-readonly` makes the mandated way to
  work here, so the guarded case is the normal one;
* `scripts/build_decisions_catalog.py --check` — including the `__main__` wiring, which can print
  "is stale" on stderr and still exit 0.

Nine ways the catalog guard can stop gating are detected, judged by executing the step's whole
`run` script rather than by matching lines out of it. Two channels are undecidable outside the
runner and are stated as uncovered rather than guessed at.

Inventory regraded to 12 MUTATION / 6 BEHAVIOUR-ONLY / 16 NONE, with a stated reason for every
remaining NONE row, verified member-for-member against the derived set.

Five cold review rounds; findings closed include production-hook-fire-log corruption, a
tautological assertion, a guard asserting on its helper rather than on the effect, and two false
greens in the workflow extractor. Follow-up: #809.

fixes #785

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Timothy <timothy@noreply.gitea.tblindustries.be>
2026-08-21 20:10:01 +00:00