feat: add velocity metrics support with user repository discovery and rate limit handling

.github/pull_request_template.md

@@ -0,0 +1,81 @@
+## 📝 Description
+
+## 🔗 Related Issue(s)
+
+- Fixes # (issue)
+- Related to # (issue)
+
+## ✔️ Type of Change
+
+- [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
+- [ ] 🚀 New feature (non-breaking change which adds functionality)
+- [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] 🛠️ Refactoring/Technical debt (internal code improvements with no direct user-facing changes)
+- [ ] 📄 Documentation update
+- [ ] ⚙️ Chore (build process, CI, tooling, dependencies, etc.)
+- [ ] ✨ Other (please describe):
+
+## 🎯 Key Changes & Implementation Details
+
+-
+-
+-
+
+## 🔧 GitHub Operations Impact
+
+- [ ] Changes to issue creation/update logic
+- [ ] Changes to PR creation/update logic
+- [ ] Changes to release notes generation
+- [ ] Changes to YAML processing/schemas
+- [ ] Changes to GitHub API authentication (App/PAT)
+- [ ] Changes to label synchronization
+- [ ] Changes to GitHub Enterprise Server (GHES) support
+- [ ] N/A - No GitHub operations impact
+
+## 🧪 Testing Done
+
+- [ ] New unit tests added/updated
+- [ ] Integration tests performed (with mock GitHub API or test repository)
+- [ ] Manual E2E testing performed (describe scenarios):
+  - Scenario 1: ...
+  - Scenario 2: ...
+- [ ] All existing tests pass (`uv run pytest --cov=src --cov-report=term-missing`)
+- [ ] Tested with GitHub App authentication
+- [ ] Tested with PAT authentication
+- [ ] Tested with GHES (if applicable)
+
+## 📋 Configuration Changes
+
+- [ ] Changes to `pyproject.toml` (dependencies, project metadata, tool config)
+- [ ] Changes to YAML schema definitions or examples
+- [ ] Changes to environment variable requirements
+- [ ] Changes to CLI commands or arguments
+- [ ] N/A - No configuration changes
+
+## ✅ Checklist
+
+- [ ] My code follows the style guidelines of this project (e.g., ran `pre-commit run -a`).
+- [ ] I have added comprehensive Google-style docstrings to all new/modified functions, classes, and methods.
+- [ ] I have added appropriate type hints to all function parameters and return values.
+- [ ] I have commented my code, particularly in hard-to-understand areas.
+- [ ] I have made corresponding changes to the documentation (README, docstrings, etc.).
+- [ ] My changes generate no new warnings from `ruff check .` or `mypy .`.
+- [ ] I have added tests that prove my fix is effective or that my feature works.
+- [ ] New and existing unit tests pass locally with my changes.
+- [ ] I have checked that my changes don't introduce security vulnerabilities (API key exposure, injection attacks, etc.).
+- [ ] I have verified imports are properly organized (standard library, third-party, local application).
+- [ ] I have verified that no sensitive data is logged (credentials, tokens, PII).
+
+## 🖼️ Screenshots or Logs (if applicable)
+
+## 🔄 Backward Compatibility
+
+- [ ] This change is fully backward compatible
+- [ ] This change requires users to update their YAML configuration files
+- [ ] This change requires users to update environment variables
+- [ ] This change requires users to update GitHub App permissions
+- [ ] N/A
+
+## ➡️ Next Steps (if applicable)
+
+## ❓ Questions & Open Items (if applicable)

.gitignore

@@ -55,3 +55,7 @@ TECHNICAL_DESIGN.md
 # Environment variables
 .env*
 !.env.example
+
+# Development tools
+.claude/
+logs/