no-mistakes(review): Extend legacy self-heal rename; clear stale Mould & Damp priority default

app/main.py

@@ -20,7 +20,7 @@ logger = logging.getLogger(__name__)
 
 
 async def ensure_legacy_schema(conn) -> None:
-    """Add columns from alembic migrations that legacy create_all databases lack."""
+    """Add columns/data changes from alembic migrations that legacy create_all databases lack."""
     result = await conn.execute(text("PRAGMA table_info(categories)"))
     columns = {row[1] for row in result}
     if "show_in_form" not in columns:
@@ -28,6 +28,16 @@ async def ensure_legacy_schema(conn) -> None:
             text("ALTER TABLE categories ADD COLUMN show_in_form BOOLEAN NOT NULL DEFAULT 1")
         )
         logger.info("Added missing categories.show_in_form column (legacy database)")
+    result = await conn.execute(
+        text(
+            "UPDATE categories SET name = 'Missing Item' "
+            "WHERE type = 'cs' AND name = 'Lost Property' AND parent_id IS NULL "
+            "AND NOT EXISTS (SELECT 1 FROM categories c2 "
+            "WHERE c2.type = 'cs' AND c2.name = 'Missing Item' AND c2.parent_id IS NULL)"
+        )
+    )
+    if result.rowcount:
+        logger.info("Renamed legacy 'Lost Property' category to 'Missing Item'")
 
 
 @asynccontextmanager