Make post-migration.py more robust when setting default status

- Check if status 'In Betrieb' exists before setting it
- Add warning if status not found instead of SQL error
- Status records are created automatically via XML data file

open_workshop_base/migrations/18.0.1.0.4/post-migration.py

@@ -123,7 +123,31 @@ def migrate(cr, version):
     synced_categories = cr.rowcount
     _logger.info(f"✅ Synchronized {synced_categories} category values")
     
-    # 4. Validierung
+    # 4. Setze Default-Status "In Betrieb" für migrierte Equipment ohne Status
+    # (Status-Records werden automatisch über XML-Datei erstellt)
+    _logger.info("Setting default status for equipment without status...")
+    
+    # Prüfe ob Status "In Betrieb" existiert
+    cr.execute("SELECT id FROM maintenance_equipment_status WHERE name = 'In Betrieb' LIMIT 1")
+    status_result = cr.fetchone()
+    
+    if status_result:
+        status_id = status_result[0]
+        cr.execute("""
+            UPDATE maintenance_equipment me
+            SET status_id = %s
+            WHERE me.status_id IS NULL
+            AND EXISTS (
+                SELECT 1 FROM ows_machine om 
+                WHERE om.equipment_id = me.id
+            )
+        """, (status_id,))
+        status_set = cr.rowcount
+        _logger.info(f"✅ Set default status for {status_set} equipment records")
+    else:
+        _logger.warning("⚠️  Status 'In Betrieb' not found - skipping status assignment")
+    
+    # 5. Validierung
     cr.execute("SELECT COUNT(*) FROM ows_machine WHERE equipment_id IS NULL")
     remaining = cr.fetchone()[0]