Add gitea-shim integration and update workflow services

gitea-shim/python/test_results.md

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+# Python Gitea-GitHub Shim Test Results
+
+## Test Summary
+All unit tests for the Python Gitea-GitHub shim are passing successfully!
+
+### Test Execution
+```bash
+$ python3 -m unittest tests.test_gitea_github_shim -v
+```
+
+### Results: ✅ 17/17 tests passed
+
+## Test Coverage
+
+### GiteaGitHubShim Class (8 tests)
+- ✅ `test_init_with_token_and_url` - Initialization with both token and URL
+- ✅ `test_init_with_token_only` - GitHub compatibility mode (token only)
+- ✅ `test_get_repo` - Getting repository by full name
+- ✅ `test_get_user_authenticated` - Getting authenticated user
+- ✅ `test_get_user_by_login` - Getting user by username
+- ✅ `test_create_repo` - Creating a new repository
+- ✅ `test_get_api_status` - Getting API status
+- ✅ `test_get_rate_limit` - Getting rate limit info (mocked)
+
+### Repository Model (3 tests)
+- ✅ `test_repository_initialization` - Repository model initialization
+- ✅ `test_get_pull` - Getting a pull request
+- ✅ `test_create_pull` - Creating a pull request
+
+### PullRequest Model (3 tests)
+- ✅ `test_pull_request_initialization` - PR model initialization
+- ✅ `test_update_pull_request` - Updating a pull request
+- ✅ `test_merge_pull_request` - Merging a pull request
+
+### User Model (3 tests)
+- ✅ `test_user_initialization` - User model initialization
+- ✅ `test_get_repos` - Getting user repositories
+- ✅ `test_follow_user` - Following another user
+
+## Key Features Tested
+1. **Drop-in replacement** - The shim can be initialized just like PyGitHub
+2. **Environment variable support** - GITEA_URL can be used for configuration
+3. **Model compatibility** - Repository, PullRequest, and User models work as expected
+4. **API mapping** - Gitea API calls are properly mapped to GitHub-style responses
+5. **Error handling** - Proper handling of missing attributes with getattr()
+
+## Next Steps
+- Implement JavaScript/TypeScript Octokit shim
+- Test with actual Gitea instance
+- Add integration tests
+- Implement remaining API endpoints (issues, activity, etc.)