update from asus 106

backend/review.py

@@ -234,6 +234,38 @@ def replace_auto(frame_id: int, items: List[dict]) -> int:
     return len(items)
 
 
+def append_auto(frame_id: int, items: List[dict]) -> int:
+    """Add new automatic shapes to this frame without duplicating existing ones."""
+    if not items:
+        return 0
+    existing = listing(frame_id)
+    filtered_items = []
+    for item in items:
+        is_dup = False
+        item_box = to_box(item["geometry"])
+        for ex in existing:
+            if ex["class_id"] == item["class_id"]:
+                ex_box = to_box(ex["geometry"])
+                from backend.labeling import _iou
+                if _iou(item_box, ex_box) >= 0.85:
+                    is_dup = True
+                    break
+        if not is_dup:
+            filtered_items.append(item)
+
+    if not filtered_items:
+        return 0
+
+    with db.cursor() as cur:
+        cur.executemany(
+            """INSERT INTO annotations (frame_id, class_id, geometry, score, source, created_at)
+               VALUES (?, ?, ?, ?, 'auto', ?)""",
+            [(frame_id, item["class_id"], json.dumps(item["geometry"]),
+              item.get("score", 1.0), time.time()) for item in filtered_items],
+        )
+    return len(filtered_items)
+
+
 def frames_with_auto(batch_id: int) -> set:
     """Frame ids that already carry automatic shapes — the resume skip-list
     for REQ-035."""
@@ -339,6 +371,24 @@ def clear_batch_class_annotations(batch_id: int, class_id: int) -> int:
         return cur.rowcount
 
 
+def clear_batch_auto_annotations(batch_id: int) -> int:
+    """Delete all automatic annotations (source = 'auto') for a batch and reset frame statuses."""
+    with db.cursor() as cur:
+        cur.execute(
+            """DELETE FROM annotations
+               WHERE source = 'auto' AND frame_id IN (
+                   SELECT id FROM frames WHERE batch_id = ?
+               )""",
+            (batch_id,),
+        )
+        deleted = cur.rowcount
+        cur.execute(
+            "UPDATE frames SET review_status = 'pending' WHERE batch_id = ?",
+            (batch_id,),
+        )
+        return deleted
+
+
 def _check_class(project_id: int, class_id: int) -> None:
     with db.cursor() as cur:
         cur.execute(