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

docs/HELLO_WORLD_TUTORIAL.md

@@ -9,10 +9,18 @@ This step-by-step tutorial will guide you through creating your first project wi
 
 ## Step 1: Install Kaizen Agentic
 
+From the Coulomb Gitea PyPI registry (dependencies resolve from public PyPI):
+
 ```bash
-pip install kaizen-agentic
+export GITEA_PACKAGE_USER=<gitea-user>
+export GITEA_PACKAGE_TOKEN=<package-token>
+
+pip install kaizen-agentic \
+  --extra-index-url "https://${GITEA_PACKAGE_USER}:${GITEA_PACKAGE_TOKEN}@gitea.coulomb.social/api/packages/coulomb/pypi/simple/"
 ```
 
+See [PACKAGE_RELEASE.md](PACKAGE_RELEASE.md) for pipx and release details.
+
 Verify the installation:
 
 ```bash
@@ -235,7 +243,11 @@ kaizen-agentic status
 
 **"kaizen-agentic: command not found"**
 ```bash
-pip install kaizen-agentic
+# Same install as Step 1 (Gitea extra index — see PACKAGE_RELEASE.md)
+export GITEA_PACKAGE_USER=<gitea-user>
+export GITEA_PACKAGE_TOKEN=<package-token>
+pip install kaizen-agentic \
+  --extra-index-url "https://${GITEA_PACKAGE_USER}:${GITEA_PACKAGE_TOKEN}@gitea.coulomb.social/api/packages/coulomb/pypi/simple/"
 ```
 
 **"make: command not found"**
@@ -267,4 +279,4 @@ make test
 - ✅ AI agents for development assistance
 - ✅ Make-based development commands
 
-You're now ready to build amazing Python projects with AI agent assistance! 🚀
+You're now ready to build amazing Python projects with AI agent assistance! 🚀