fix(project): include default_branch in project list summary response

roboco/api/schemas/project.py

@@ -64,6 +64,7 @@ class ProjectSummaryResponse(BaseModel):
     name: str
     slug: str
     git_url: str
+    default_branch: str
     assigned_cell: Team
     is_active: bool
     has_workspace: bool = False
@@ -176,11 +177,13 @@ def project_to_response(project: "ProjectTable") -> ProjectResponse:
 
 def project_to_summary(project: "ProjectTable") -> ProjectSummaryResponse:
     """Convert a ProjectTable to ProjectSummaryResponse."""
+    default_branch = project.default_branch
     return ProjectSummaryResponse(
         id=typing_cast("UUID", project.id),
         name=str(project.name),
         slug=str(project.slug),
         git_url=str(project.git_url),
+        default_branch=str(default_branch) if default_branch else "main",
         assigned_cell=project.assigned_cell,
         is_active=bool(project.is_active),
         has_workspace=bool(project.workspace_path),

tests/integration/test_project_routes.py

@@ -156,6 +156,22 @@ async def test_list_projects_filter_by_cell(
     assert response.status_code == HTTPStatus.OK
 
 
+@pytest.mark.asyncio
+async def test_list_projects_includes_default_branch(
+    project_client: AsyncClient,
+) -> None:
+    payload = _payload()
+    payload["default_branch"] = "master"
+    create = await project_client.post("/api/projects", json=payload, headers=_HDR)
+    assert create.status_code == HTTPStatus.CREATED
+
+    response = await project_client.get("/api/projects", headers=_HDR)
+    assert response.status_code == HTTPStatus.OK
+    listed = {p["slug"]: p for p in response.json()}
+    assert payload["slug"] in listed
+    assert listed[payload["slug"]]["default_branch"] == "master"
+
+
 @pytest.mark.asyncio
 async def test_get_project_by_slug_not_found(project_client: AsyncClient) -> None:
     response = await project_client.get(