feat: consolidate 4 AI review workflows into 1 (#114)

chore: pin 12 GitHub Actions workflows to SHA (#113)

fix: path validation bypass, agent collision, and skill impact inflation (#112)

docs: update README counts and add missing workflows/skills (#111)

ci(deps): bump codecov/codecov-action in the github-actions group (#107)

docs: update ARCHITECTURE.md [skip ci] (#109)

feat: GitNexus CI integration for PR impact analysis (#108)

fix: pipe prompt via stdin in nightly-docs-update workflow

fix: use GITHUB_TOKEN instead of PAT_TOKEN across all workflows (#104)

fix: use GITHUB_TOKEN instead of PAT_TOKEN for issue-to-pr (#103)

fix: use Bedrock-format model ID for Bedrock step (#101)

fix: use short model alias in issue-to-pr workflow (#99)

fix: use valid model ID in issue-to-pr workflow (#97)

fix: resolve 3 workflow bugs found during integration testing (#93)

test: comprehensive coverage for PR #91 hardening changes (#92)