refactor: split backend route domains

backend/app/integration_routes.py

@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+from fastapi import FastAPI
+
+
+def register_integration_routes(
+    app: FastAPI,
+    *,
+    import_integration_sources,
+    fetch_integration_summary,
+    fetch_project_metrics,
+    fetch_member_metrics,
+    fetch_team_metrics,
+    fetch_project_breakdowns,
+    fetch_payment_source_rows,
+    fetch_mh_source_rows,
+) -> None:
+    @app.post("/api/integration/import")
+    def import_integration_data() -> dict[str, object]:
+        return import_integration_sources()
+
+    @app.get("/api/integration/summary")
+    def integration_summary() -> dict[str, object]:
+        return fetch_integration_summary()
+
+    @app.get("/api/integration/projects")
+    def integration_projects(limit: int = 500, start_date: str | None = None, end_date: str | None = None) -> dict[str, list[dict[str, object]]]:
+        safe_limit = max(1, min(limit, 5000))
+        return {"items": fetch_project_metrics(safe_limit, start_date=start_date, end_date=end_date)}
+
+    @app.get("/api/integration/members")
+    def integration_members(limit: int = 500, start_date: str | None = None, end_date: str | None = None) -> dict[str, list[dict[str, object]]]:
+        safe_limit = max(1, min(limit, 5000))
+        return {"items": fetch_member_metrics(safe_limit, start_date=start_date, end_date=end_date)}
+
+    @app.get("/api/integration/teams")
+    def integration_teams(start_date: str | None = None, end_date: str | None = None) -> dict[str, list[dict[str, object]]]:
+        return {"items": fetch_team_metrics(start_date=start_date, end_date=end_date)}
+
+    @app.get("/api/integration/project-breakdowns")
+    def integration_project_breakdowns(start_date: str | None = None, end_date: str | None = None) -> dict[str, list[dict[str, object]]]:
+        return fetch_project_breakdowns(start_date=start_date, end_date=end_date)
+
+    @app.get("/api/integration/payment-source")
+    def integration_payment_source() -> dict[str, object]:
+        return fetch_payment_source_rows()
+
+    @app.get("/api/integration/mh-source")
+    def integration_mh_source() -> dict[str, object]:
+        return fetch_mh_source_rows()