feat(api): add Git REST API for branch and commit operations (#270)

codeframe/persistence/database.py

@@ -631,6 +631,10 @@ def count_branches_for_issue(self, *args, **kwargs):
         """Delegate to git_branches.count_branches_for_issue()."""
         return self.git_branches.count_branches_for_issue(*args, **kwargs)
 
+    def get_branch_by_name_and_issues(self, *args, **kwargs):
+        """Delegate to git_branches.get_branch_by_name_and_issues()."""
+        return self.git_branches.get_branch_by_name_and_issues(*args, **kwargs)
+
     def create_test_result(self, *args, **kwargs):
         """Delegate to test_results.create_test_result()."""
         return self.test_results.create_test_result(*args, **kwargs)

codeframe/persistence/repositories/git_repository.py

@@ -208,3 +208,33 @@ def count_branches_for_issue(self, issue_id: int) -> int:
         )
         return cursor.fetchone()[0]
 
+    def get_branch_by_name_and_issues(
+        self, branch_name: str, issue_ids: List[int]
+    ) -> Optional[Dict[str, Any]]:
+        """Get a branch by name that belongs to one of the given issues.
+
+        Single-query lookup for performance optimization.
+
+        Args:
+            branch_name: Git branch name to find
+            issue_ids: List of issue IDs the branch must belong to
+
+        Returns:
+            Branch dictionary or None if not found
+        """
+        if not issue_ids:
+            return None
+
+        cursor = self.conn.cursor()
+        placeholders = ",".join("?" * len(issue_ids))
+        cursor.execute(
+            f"""
+            SELECT * FROM git_branches
+            WHERE branch_name = ? AND issue_id IN ({placeholders})
+            LIMIT 1
+            """,
+            (branch_name, *issue_ids),
+        )
+        row = cursor.fetchone()
+        return dict(row) if row else None
+