[ci] Inventory workflow jobs explicitly

[joshlf]

Add a narrow scanner for every lower-case YAML workflow file and its
canonical top-level job IDs. Compare that live inventory with a sorted,
reviewed registry which assigns each job a plain-language role.

Reject quoted or anchored job declarations, duplicate jobs, unfamiliar
jobs keys, case-variant YAML extensions, unsorted registry rows, unknown
roles, and any missing or unreviewed job. Continue using
action-validator for the complete YAML and GitHub Actions schema rather
than implementing another YAML interpreter in zc.

This commit only establishes the handwritten-workflow inventory
boundary. Its crate-private entry point is temporarily allowed to be
unused outside tests; the all-input boundary removes that allowance when
it begins calling the audit. Later checks use the roles to constrain
generated data and keep required static validation and aggregation jobs
visible.

Tests: CARGO_NET_OFFLINE=true ./ci/check_tools.sh
Tests: ./ci/check_fmt.sh

Authored by an agent, posting via joshlf's account

---

• 　  [ci] Document the typed CI control plane #3597
• 　  [ci] Audit typed jobs into the required check #3595
• 　  [ci] Audit the semver action adapter #3587
• 　  [ci] Audit typed matrix execution #3594
• 　  [ci] Audit typed plan publication #3593
• 　  [ci] Make typed workflow bridges fail closed #3592
• 　  [ci] Drive matrix jobs from typed plans #3591
• 　  [ci] Retire the generated-matrix toolchain check #3596
• 　  [ci] Project only executable cell selectors #3590
• 　  [ci] Execute exact typed matrix cells #3589
• 　  [ci] Require execution parity before planning #3588
• 　  [ci] Model exact CI command behavior #3586
• 　  [ci] Read docs.rs arguments from Cargo metadata #3585
• 　  [ci] Shadow typed plans in Actions #3584
• 　  [ci] Write checked CI plans for Actions #3583
• 　  [ci] Project typed plans for GitHub Actions #3582
• 　  [ci] Expose typed CI planning locally #3581
• 　  [ci] Derive deterministic build and Miri plans #3580
• 　  [ci] Validate all inputs before CI planning #3579
• 　  [ci] Audit live CI inputs against policy #3578
• 　  [ci] Read frozen CI baselines strictly #3577
• 👉 [ci] Inventory workflow jobs explicitly #3576
• 　  [ci] Define a typed CI coverage policy #3575
• 　  [ci] Freeze the current CI coverage baseline #3573
• 　  [ci] Let hook inventory skip data directories #3572
• 　  [ci] Share typed toolchain metadata #3571
• 　  [ci] Pin and test repository tools #3570
• 　  [ci] Make pre-push checks safe to run in parallel #3574

Latest Update: v3 — Compare vs v2

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##             Gqofuqcjxqt64bw7di2snqyunualoi3ht    #3576   +/-   ##
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