Speed: dhash-only rows (0.21s→6ms/file); gate near-dup+phash behind flag; fix hx UnboundLocalError; loop in single task (engine deadlock fix); photo_watch uses ingest flow

photo_watch.py

@@ -15,7 +15,7 @@ from prefect import flow, task
 
 import photo_db as db
 from takeout_fetch import download_archive, extract_archive, track_archive
-from photo_ingest import check_duplicates, register_new_images, scan_directory
+from photo_ingest import photo_ingest as ingest_flow
 from apprise_helper import notify
 
 INCOMING = Path("/mnt/data/takeout/incoming")
@@ -62,13 +62,7 @@ def handle_archive(a: Path) -> str:
 @task
 def process_extracted(export_dir: str, source: str) -> dict:
     """Run the ingest chain (fingerprint + dedup) on an extracted folder."""
-    images = scan_directory(export_dir)
-    if not images:
-        return {"total": 0}
-    result = check_duplicates(images)
-    if result["new_list"]:
-        register_new_images(result["new_list"], source=source)
-    return result
+    return ingest_flow(export_dir, source=source, batch_size=1000)
 
 
 @flow(name="photo-watch")