danielvm-git/bigpowers/gate-trace

Name: gate-trace
Author: danielvm-git

Claude Code and agent skill by danielvm-git/bigpowers

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Deterministic traceability quality gate — reads coverage matrix + blind-spot data, applies decision rules with oracle confidence downgrade, emits PASS/CONCERNS/FAIL/WAIVED verdict. Use before release-branch to gate merges on traceability.

Install

npx vskill@latest install danielvm-git/bigpowers/gate-trace

SKILL.md

Gate Trace

Deterministic quality gate that combines traceability coverage and blind-spot data into a single PASS/FAIL/CONCERNS/WAIVED decision before release.

Decision Rules

Rule	Condition	Verdict
R1	Any undone story with 0 code tags	FAIL
R2	Any story done but no verify evidence	CONCERNS
R3	P0 story (top WSJF quartile) with 0% coverage	FAIL
R4	Overall coverage < 60%	CONCERNS
R6	P0 story + eNN-TEST_PLAN_LATEST.md exists + zero SC-eNNsYY-P0-* in test files	CONCERNS
R5	Overall ≥ 80% + no critical gaps + all verify → PASS	PASS

Oracle Confidence Downgrade

TEA-inspired: if trace links rely on heuristics rather than explicit tags, confidence drops.

Heuristic Ratio	Downgrade
> 50% links from heuristics (file-name or task-reference)	One level (PASS→CONCERNS, CONCERNS→FAIL)
> 80% links from heuristics	Two levels (PASS→FAIL, CONCERNS→FAIL)

Process

Pre-flight: Ensure scripts/trace-stories.sh --json has been run (produces specs/traceability-matrix.json). If not present, run it.
Ensure scripts/check-blind-spots.sh has been run (produces specs/blind-spots.json). If not present, run it.
Read specs/traceability-matrix.json and specs/blind-spots.json.
Apply decision rules R1–R5 in order (first match wins).
Apply oracle confidence downgrade based on the heuristic link ratio from the matrix's oracle_stats.
Drift check (e39s03): If specs/drift-report.json exists and has suspect links, mark verdict as CONCERNS with note: "Drift detected — some implementing files are newer than their specs. Run scripts/check-spec-drift.sh for details."
Output verdict + rationale to stdout.
Adversarial refute check (e45s32): Before emitting PASS, attempt to refute the verdict — list at least one concrete traceability gap that would block merge if it were real. If the gap is real, downgrade the verdict. Rubber-stamping is prohibited; every PASS must survive one refutation attempt.
Completeness critic (e45s05) — Run adversarial gap-finding:

bash

bash scripts/lib/completeness-critic.sh

Classify output as BLOCKER / WARNING / FILLED. BLOCKER overrides any PASS verdict → FAIL. Append critic summary to rationale.

Update specs/execution-status.yaml with gate-trace result.

Verdict Semantics

Verdict	Meaning	Action
PASS	All gates satisfied	Proceed with merge
CONCERNS	Non-critical issues found	Requires explicit human override in `state.yaml`
FAIL	Critical traceability gap	Block merge — fix gap first
WAIVED	Cannot evaluate (missing inputs)	Skip gate — data not available

Output Format

yaml

gate_trace:
  verdict: PASS|CONCERNS|FAIL|WAIVED
  generated_at: "<ISO 8601>"
  rationale: "<human-readable explanation>"
  heuristic_ratio: <0.0–1.0>
  downgrade_applied: <true|false>

Integration Points

release-branch SKILL.md — pre-PR gate (FAIL blocks merge).
test-build-release.yml — its sync job runs trace-stories.sh --strict as the "Traceability gate" step (FAIL

blocks the release job), which shares this skill's coverage data (traceability-matrix.json) but does not invoke a gate-trace PASS/CONCERNS/FAIL/WAIVED verdict directly.

verify-work SKILL.md — runs blind-spot checks; gate-trace consumes the result.

References

BMAD TEA traceability approach (market survey 2026-07-02).
scripts/trace-stories.sh (e38s01) — produces traceability-matrix.json.
scripts/check-blind-spots.sh (e38s04) — produces blind-spots.json.
specs/execution-status.yaml — output target for gate result.

Handoff

Gate: READY → next: release-branch (final step before merge) Writes: state.yaml handoff.next_skill = release-branch

Verify

→ verify: test -x scripts/run-gate-trace-verify.sh && bash scripts/run-gate-trace-verify.sh --self-test && echo OK

Security

Security scanPassed, 100 of 100Pattern checks on the skill's files.
Model reviewPassed

See the full security report

Quality evaluation

Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

See evaluation results

Source

SKILL.md in the repositoryCheckingskills/gate-trace/SKILL.md

Popularity

Repository stars: 244
Repository forks: 19
7-day trend score: 28

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

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