v0.21.2

What's Changed

Other Changes

• docs: sync docs and examples with unified requests/responses contract by @yeongseon in #412
• chore: bump ruff to 0.16.2 and repair pre-commit hooks by @yeongseon in #407
• chore: ignore agent orchestration state (.sisyphus/, .omc/) by @yeongseon in #416
• ci: add tiered pre-publish runtime gate with real-Azure certification by @yeongseon in #413
• ci(e2e): certify the release candidate wheel, not the PyPI build by @yeongseon in #417
• feat(decorator): let responses= express model-derived schemas across multiple status codes by @yeongseon in #418
• docs(readme): migrate README examples to unified requests/responses params by @yeongseon in #419
• ci: normalize release-gate action pins to canonical SHAs by @yeongseon in #427
• ci: add release-gate workflow drift lint by @yeongseon in #429
• docs(i18n): adopt best-effort translation policy with staleness banners by @yeongseon in #431
• ci: add fleet-wide workflow pin-hygiene lint by @yeongseon in #433
• chore(ci): normalize action version-comment labels by @yeongseon in #435
• ci: adopt Renovate for GitHub Actions bumps (renovate.json + drift-lint annotations) by @yeongseon in #437
• docs: consolidate official documentation URL onto yeongseon.dev (STEP 3) by @yeongseon in #439
• docs(migration): add unified requests/responses migration guide + alias-retention policy by @yeongseon in #440
• refactor(bridge): remove legacy validation-namespace read mirror by @yeongseon in #442
• ci: stop auto-deploying docs to GitHub Pages by @yeongseon in #445
• docs: surface azure-functions-validation as optional runtime companion by @yeongseon in #447
• docs: link runtime-validation callout to a paired cookbook example by @yeongseon in #449

Full Changelog: v0.21.1...v0.21.2