Conciseness

The body is noticeably verbose across several padded sections: the instruction 'For any selected item, ask the user to briefly describe what failed before generating the report' is repeated verbatim ~6 times across Batch 1/2/3 and the platform batches, and multi-line blockquote essays ('A bare halt is the wrong shape here…', the NOT ASSESSED ranking defense, 'This is a change in where unconfirmed NOT RUN lands, and it is deliberate') are design-rationale commentary rather than instructions. It is above level 1 because the engine-specific exit codes, timeouts, and gotchas are genuinely non-obvious knowledge Claude does not already have; it is below level 3 because the repetition and rationale-padding are substantial and easily trimmed.

Actionability

Guidance is fully executable: exact copy-paste bash commands with timeout wrappers for all three engines and all three OSes, per-engine exit-code-to-verdict mappings (e.g. gdUnit4 0/101/100/105/103/104/1), concrete resolution rules for placeholders ('$(pwd -W 2>/dev/null || pwd) gives the C:/… form in Git Bash'), explicit AskUserQuestion batch definitions, and a complete report template. The common cases (Godot, Unity EditMode+PlayMode, Unreal) are each covered with runnable commands, matching the top anchor; it is not level 4 because no significant execution gap was found.

Workflow Clarity

Six phases are clearly sequenced (detect setup → run tests → coverage → manual checks → report → gate) with explicit validation checkpoints at every phase: exit-code interpretation rules, 'a timeout (exit 124) is a gate FAILURE, never a pass', deletion of stale results files before runs, a first-matching-rule-wins verdict table, and write-only-after-approval gating. Error-recovery feedback loops ('fix the failures and run /smoke-check again') are explicit, matching the top anchor; it is not level 4 because checkpoints are present with no material gaps.

Progressive Disclosure

The file has clear, navigable phase headers, so structure is not minimal — but ~200 lines of per-engine runner instructions (Phase 2's Godot/Unity/Unreal sections) and the long report template are inlined in a 750-line monolithic SKILL.md with no references/ bundle at all, matching the 'some structure but… content that should be separate is inline' anchor. It is above level 2 (headers make it navigable, and external doc references are named, e.g. docs/engine-reference/unreal/current-best-practices.md) but below level 4 because content that clearly belongs in per-engine reference files sits inline.

Specificity

The description names a specific domain ("Critical-path smoke gate before QA hand-off") and one concrete action ("runs the automated suite"), but omits the skill's other capabilities documented in the body (coverage gap scan, batch verification of critical paths, PASS/FAIL report) — matching the 'names domain and 1-2 concrete actions, but not comprehensive' anchor. It is above level 2 because the action and domain are concrete, and below level 4 because only one action is listed.

Completeness

The 'what' is clear (runs the automated suite as a pre-QA gate), but there is no explicit 'Use when…' clause or equivalent trigger guidance — timing is only weakly implied by "before QA hand-off", which caps completeness at 3 per the judging guidelines. Not level 4: the when-phrase is positional, not an explicit trigger phrase for user situations.

Trigger Term Quality

Relevant domain keywords are present ("smoke gate", "QA hand-off", "automated suite", "build", "QA-ready") but common natural variations users would actually say — "smoke test", "test suite", "run the tests" — are missing, matching the 'some relevant keywords but missing common variations or synonyms' anchor. Better than level 2 (several domain-specific, natural-ish terms exist) but short of level 4's 'good keyword coverage'.

Distinctiveness Conflict Risk

The description carves a clear niche (pre-QA-hand-off smoke gate with a blocking outcome: "A failed check means the build is not QA-ready") that is mostly distinct from generic run-the-tests skills, with only minor overlap risk against a plain test-runner skill. Not level 5: without explicit trigger phrases, a user asking to 'run the tests' could plausibly match a generic testing skill instead.