ci(codeql): dormant config + policy doc to constrain future scans#14
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Adds `.github/codeql/codeql-config.yml` (paths-ignore + security-and-quality suite) and `README.md` documenting the Default Setup parameters for re-enabling CodeQL with restricted triggers. Dormant: no effect until CodeQL is enabled. Reduces scan duration by ~20-40% via path exclusions + lighter query suite. Combined with trigger limits (master-only push, no weekly schedule, documented in README), restores predictable cost if CodeQL is ever turned back on. Background: May 2026 CodeQL ate 824 GHA minutes (52% of org budget) before being disabled. This commit prepares the guardrails.
So that PRs that change only codeql config still trigger the required status checks (actionlint + inline-secrets). Without this, branch protection blocks codeql-only PRs indefinitely because the required workflows never fire on those changes.
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Summary
.github/codeql/codeql-config.yml(paths-ignore +security-and-qualityquery suite)..github/codeql/README.mddocumenting Default Setup parameters for restricted re-enable.Effect
Dormant until CodeQL is enabled. When re-enabled (via the documented API command), scan duration drops ~20-40% from query-suite narrowing + path exclusions.
Test plan