fix(fc-cleanup): test sha256 fixtures stay within varchar(64) + isort the registration import — Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/test_tasks_library_audit.py

@@ -8,21 +8,23 @@ import pytest
 from PIL import Image
 from sqlalchemy import select
 
+import backend.app.tasks.library_audit  # noqa: F401 — celery registration
 from backend.app import celery_app
 from backend.app.models import ImageRecord, LibraryAuditRun
 
-import backend.app.tasks.library_audit  # noqa: F401 — registration
-
 pytestmark = pytest.mark.integration
 
 
 def _mk_image(db_sync, tmp_path, *, mode, color, name):
     path = tmp_path / name
     Image.new(mode, (10, 10), color).save(path)
-    short_sha = f"fake-{name}"
+    # sha256 column is varchar(64) — pad/truncate a per-file pseudo hash
+    # exactly to 64 chars. Each test fixture file must have a unique
+    # sha256 (reference-image-record-path-unique peer constraint).
+    sha = f"audit-{name}".ljust(64, "x")[:64]
     rec = ImageRecord(
         path=str(path),
-        sha256=short_sha + "0" * (64 - len(short_sha)),
+        sha256=sha,
         size_bytes=path.stat().st_size,
         mime="image/png",
         width=10, height=10,