feat: WP-0005 adoption polish — doc sync, fleet parity, CI lint

- Add make agents-sync-package and release-check parity gate
- Add tests/test_packaged_agents_parity.py; sync packaged agents with agents/
- Update install docs (HELLO_WORLD, CLI_CHEAT_SHEET, AGENT_DISTRIBUTION)
- Expand PACKAGE_RELEASE.md secrets setup and pre-tag checklist
- Add flake8 to Gitea CI; CHANGELOG Unreleased for v1.2.0
- Expand INTEGRATION_PATTERNS activity-core handoff checklist

CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- **`make agents-sync-package`** — sync `agents/` into packaged `data/agents/`
+- **Packaged agent parity test** — `release-check` fails when wheel data drifts from source
+- **Gitea CI flake8** — lint gate on `src/` in `.gitea/workflows/ci.yml`
+
+### Changed
+- **Install documentation** — HELLO_WORLD, CLI_CHEAT_SHEET, AGENT_DISTRIBUTION use Gitea PyPI extra index
+- **`docs/PACKAGE_RELEASE.md`** — secrets setup and pre-tag release checklist
+
 ## [1.1.0] - 2026-06-18
 
 ### Added