feat(FN-007): implement repository connection API and git operations

- Add GitHubAdapter and GitLabAdapter with URL parsing
- Create provider factory in apps/api/app/git/providers/
- Implement clone, fetch, push in LocalGitOperations
- Add repository_connections router with CRUD and SSH key endpoints
- Create RepositoryConnection schema with validation
- Update models and routers __init__.py for new components
- Add comprehensive tests for git operations

apps/api/tests/test_git_operations.py

@@ -44,18 +44,17 @@ def temp_repo() -> Any:
         yield repo_path
 
 
-def test_clone_raises_not_implemented_error(local_git: LocalGitOperations) -> None:
-    with pytest.raises(NotImplementedError):
+def test_clone_invalid_repo_raises(local_git: LocalGitOperations) -> None:
+    with pytest.raises(RuntimeError, match="Git clone failed"):
         local_git.clone("https://example.com/repo.git", Path("/tmp/dest"), "cred-id")
 
 
-def test_fetch_raises_not_implemented_error(local_git: LocalGitOperations, temp_repo: Path) -> None:
-    with pytest.raises(NotImplementedError):
-        local_git.fetch(temp_repo, "cred-id")
+def test_fetch_no_remote_succeeds(local_git: LocalGitOperations, temp_repo: Path) -> None:
+    local_git.fetch(temp_repo, "cred-id")
 
 
-def test_push_raises_not_implemented_error(local_git: LocalGitOperations, temp_repo: Path) -> None:
-    with pytest.raises(NotImplementedError):
+def test_push_no_remote_raises(local_git: LocalGitOperations, temp_repo: Path) -> None:
+    with pytest.raises(RuntimeError, match="Git push failed"):
         local_git.push(temp_repo, "cred-id")