docs: Gitea PyPI install paths and publish automation

Add make package-check/publish-gitea, tag-triggered Gitea Actions workflow,
PACKAGE_RELEASE.md, and update README/GETTING_STARTED install instructions
for the Coulomb registry (v1.1.0+).

docs/GETTING_STARTED.md

@@ -57,16 +57,22 @@ make install-global
 # CLI available from any directory
 ```
 
-**Option D: From PyPI (Coming Soon)**
+**Option D: From Gitea PyPI (v1.1.0+)**
 
 ```bash
-# Will be available once v1.0.0 is published
-pip install kaizen-agentic
-# or
-pipx install kaizen-agentic  # Recommended for global CLI tools
+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/"
+
+# or global CLI via pipx
+pipx install kaizen-agentic \
+  --pip-args="--extra-index-url https://${GITEA_PACKAGE_USER}:${GITEA_PACKAGE_TOKEN}@gitea.coulomb.social/api/packages/coulomb/pypi/simple/"
 ```
 
-> **📦 Release Status**: v1.0.0 is ready for publication. Use `make install-global` for system-wide availability.
+> **📦 Registry**: Published on the Coulomb Gitea PyPI registry. Dependencies resolve
+> from public PyPI via `--extra-index-url`. See [PACKAGE_RELEASE.md](PACKAGE_RELEASE.md).
 
 ### 2. Verify Installation
 
@@ -265,7 +271,9 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: '3.8'
-      - run: pip install kaizen-agentic
+      - run: >-
+          pip install kaizen-agentic
+          --extra-index-url "https://${{ secrets.GITEA_PACKAGE_USER }}:${{ secrets.GITEA_PACKAGE_TOKEN }}@gitea.coulomb.social/api/packages/coulomb/pypi/simple/"
       - run: kaizen-agentic validate
 ```
 
@@ -405,7 +413,8 @@ kaizen-agentic status
 # New team member setup
 git clone project-repo
 cd project-repo
-pip install kaizen-agentic  # or add to requirements
+# see Option D for GITEA_PACKAGE_USER / GITEA_PACKAGE_TOKEN and --extra-index-url
+pip install kaizen-agentic
 kaizen-agentic status       # See what agents are used
 kaizen-agentic validate     # Verify everything works
 
@@ -419,12 +428,16 @@ cat CLAUDE.md
 
 **"Command not found: kaizen-agentic"**
 ```bash
-# Install the package
-pip install kaizen-agentic
+# Install from Gitea PyPI (same credentials as Option D)
+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/"
 
 # Or if using virtual env:
 source .venv/bin/activate
-pip install kaizen-agentic
+pip install kaizen-agentic \
+  --extra-index-url "https://${GITEA_PACKAGE_USER}:${GITEA_PACKAGE_TOKEN}@gitea.coulomb.social/api/packages/coulomb/pypi/simple/"
 ```
 
 **"No agents directory found"**
@@ -463,4 +476,4 @@ Once you have agents installed:
 4. **Share with team**: Document which agents your project uses
 5. **Contribute back**: Report issues and suggest improvements
 
-The key insight is that **you don't need the Makefile targets to use agents effectively** - the `kaizen-agentic` CLI provides all the functionality you need. The Makefile targets are just convenient shortcuts for projects that have them.
+The key insight is that **you don't need the Makefile targets to use agents effectively** - the `kaizen-agentic` CLI provides all the functionality you need. The Makefile targets are just convenient shortcuts for projects that have them.