fix(fc5): ruff (E712, ASYNC230/240, I001) + Credential.credential_type + FileStorage in api_migrate test

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/test_api_migrate.py

@@ -3,15 +3,23 @@ import io
 import json
 
 import pytest
+from werkzeug.datastructures import FileStorage
 
 import backend.app.tasks.migration  # noqa: F401 — register celery task
-
 from backend.app import create_app
 from backend.app.celery_app import celery
 
 pytestmark = pytest.mark.integration
 
 
+def _file_storage(payload: dict, filename: str = "export.json") -> FileStorage:
+    return FileStorage(
+        stream=io.BytesIO(json.dumps(payload).encode("utf-8")),
+        filename=filename,
+        content_type="application/json",
+    )
+
+
 @pytest.fixture
 async def app():
     return create_app()
@@ -46,7 +54,7 @@ async def test_post_rejects_unknown_kind(client):
 
 @pytest.mark.asyncio
 async def test_post_ingest_rejects_missing_file(client):
-    resp = await client.post("/api/migrate/gs_ingest", data={})
+    resp = await client.post("/api/migrate/gs_ingest", form={})
     assert resp.status_code == 400
     body = await resp.get_json()
     assert body["error"] == "missing_export_file"
@@ -67,11 +75,11 @@ async def test_post_ingest_accepts_multipart_file(client, monkeypatch):
         "source_app": "gallerysubscriber", "schema_version": 1,
         "subscriptions": [], "credentials": [],
     }
-    data = {
-        "export_file": (io.BytesIO(json.dumps(export).encode()), "gs-export.json"),
-        "dry_run": "false",
-    }
-    resp = await client.post("/api/migrate/gs_ingest", files=data)
+    resp = await client.post(
+        "/api/migrate/gs_ingest",
+        form={"dry_run": "false"},
+        files={"export_file": _file_storage(export, "gs-export.json")},
+    )
     assert resp.status_code == 202
 
 
@@ -85,11 +93,11 @@ async def test_post_apply_without_backup_rejected(client, monkeypatch):
         "source_app": "gallerysubscriber", "schema_version": 1,
         "subscriptions": [], "credentials": [],
     }
-    data = {
-        "export_file": (io.BytesIO(json.dumps(export).encode()), "gs-export.json"),
-        "dry_run": "false",
-    }
-    resp = await client.post("/api/migrate/gs_ingest", files=data)
+    resp = await client.post(
+        "/api/migrate/gs_ingest",
+        form={"dry_run": "false"},
+        files={"export_file": _file_storage(export, "gs-export.json")},
+    )
     assert resp.status_code == 400
     body = await resp.get_json()
     assert body["error"] == "no_backup"
@@ -109,11 +117,11 @@ async def test_post_dry_run_allowed_without_backup(client, monkeypatch):
         "source_app": "gallerysubscriber", "schema_version": 1,
         "subscriptions": [], "credentials": [],
     }
-    data = {
-        "export_file": (io.BytesIO(json.dumps(export).encode()), "gs-export.json"),
-        "dry_run": "true",
-    }
-    resp = await client.post("/api/migrate/gs_ingest", files=data)
+    resp = await client.post(
+        "/api/migrate/gs_ingest",
+        form={"dry_run": "true"},
+        files={"export_file": _file_storage(export, "gs-export.json")},
+    )
     assert resp.status_code == 202