update sentences API

routes/contextRoutes.js

@@ -32,6 +32,10 @@ router.post('/:id/add-images', contextController.addImages);
 // Status 4 -> 5: Approve
 router.post('/:id/approve', contextController.approveContext);
 
+// Search contexts: partial match on title/context + filter by type_image, status, etc.
+// Body: { search, title, context_text, type_image, type, status, grade, page, limit }
+router.post('/search', contextController.searchContexts);
+
 // Get all contexts (with optional filters)
 router.get('/', contextController.getAllContexts);