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tools/cargo-mutants.sh: one owner of cargo-mutants on Yggdrasil

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One verify job per range: a plan container lists the mutants (diff taken at the
workspace root), stage 1 runs each file's mutants against that file's tests only
and decides only caught and unviable, stage 2 confirms every survivor, timeout,
unfiltered or zero-test file on the full suite, sharded over free slot leases,
and the merge prints one MUTANTS line and the final MISSED/TIMEOUT names.
NAMES reruns chosen survivors; TEST_ARGS skips flaky tests.

Deletes ygg-verify.sh's MISSED/TIMEOUT summary grep and its inline cargo mutants
usage example; the host-mode export gains YGG_SLOTS and YGG_ROOT. Briefs and
SKILL.md name the script; the mock docker grows /cm and /out, with a fake cargo
and a fake flock for the new test-tools.sh cases.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Eureka 2026-11-01 19:15:38 +01:00
commit d4fba11da6
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7
SKILL.md
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@ -317,7 +317,9 @@ nothing is pasted or paraphrased. The brief says:
- **Measure the suite with the ecosystem's mutation tool, scoped to the cut's
diff:** Stryker.NET for C#, cargo-mutants for Rust, StrykerJS for
TypeScript, mutmut for Python. The tool generates the mutants and nobody
writes an anchor. Every survivor is a finding about the tests, triaged by
writes an anchor. cargo-mutants runs through `tools/cargo-mutants.sh` (per-file
scoped tests, survivors confirmed against the full suite, sharded over
Yggdrasil slots), once per Hands pass. Every survivor is a finding about the tests, triaged by
name: a behavioural test is missing, a fixture is degenerate (see below),
or the mutant is equivalent and gets a one-line reason. Boundary flips on
float thresholds are equivalent by default and are not chased. The score is
@ -622,7 +624,8 @@ exact script they want and agents do not browse. Contributions come by branch
and Forgejo pull request (this repo lives on Yggdrasil's Forgejo), never a push
to main. A script that verdicts depend on gets a Soul pass before merge, and
`bash tools/test-tools.sh` passes first. The summary and wait modes of
`tools/stopgap/ygg-verify.sh` and `tools/mutation-table.sh` are such scripts. A script whose brief no longer names it is pruned.
`tools/stopgap/ygg-verify.sh`, `tools/mutation-table.sh` and
`tools/cargo-mutants.sh` are such scripts. A script whose brief no longer names it is pruned.
Scripts that know a project's layout stay in that project.
## Git and tooling rules (scars)