feat(inventory): Qwen vehicle compatibility — store AI unmatched vehicles as text, Celery background sync, fix brand filter fallback, increase vehicle limits

pos/tasks.py

@@ -96,3 +96,47 @@ def generate_report_task(self, report_type, params, tenant_id):
         'status': 'completed',
         'url': f'/pos/static/reports/{report_type}_{tenant_id}.pdf',
     }
+
+
+@celery.task(bind=True, max_retries=2)
+def sync_vehicle_compatibility_task(self, tenant_id, item_id, part_number, name, brand, compat_source):
+    """Fetch AI/TecDoc vehicle compatibility in background after item creation."""
+    from tenant_db import get_tenant_conn, get_master_conn
+    from services.inventory_vehicle_compat import auto_match_vehicle_compatibility, save_qwen_fitment
+    from services.qwen_fitment import get_vehicle_fitment
+
+    tenant_conn = None
+    master_conn = None
+    try:
+        tenant_conn = get_tenant_conn(tenant_id)
+
+        if compat_source in ('tecdoc', 'both'):
+            try:
+                master_conn = get_master_conn()
+                auto_match_vehicle_compatibility(
+                    master_conn, tenant_conn, item_id, part_number,
+                    brand=brand, name=name
+                )
+                master_conn.close()
+                master_conn = None
+            except Exception as am_err:
+                print(f"[sync_vehicle_compat] TecDoc error for item {item_id}: {am_err}")
+
+        if compat_source in ('qwen', 'both'):
+            try:
+                fitment = get_vehicle_fitment(part_number, name, brand or '')
+                save_qwen_fitment(tenant_conn, item_id, fitment)
+            except Exception as qwen_err:
+                print(f"[sync_vehicle_compat] QWEN error for item {item_id}: {qwen_err}")
+
+        tenant_conn.commit()
+        return {'status': 'ok', 'item_id': item_id, 'tenant_id': tenant_id}
+    except Exception as exc:
+        if tenant_conn:
+            tenant_conn.rollback()
+        raise self.retry(exc=exc, countdown=10)
+    finally:
+        if tenant_conn:
+            tenant_conn.close()
+        if master_conn:
+            master_conn.close()