Update fern definition (#2678)

Co-authored-by: sahil485 <[email protected]>

Author: dsinghvi

fern/apis/fai/openapi.json

@@ -3309,7 +3309,7 @@
           "Settings"
         ],
         "summary": "Reindex Ask Ai",
-        "description": "Manually trigger reindex for an already enabled Ask AI setup.",
+        "description": "Manually trigger reindex for an already enabled Ask AI setup.\n\nArgs:\n    domain: The domain to reindex\n    org_name: Organization name (unused, kept for backwards compatibility)\n    incremental: If True, only reindex changed content based on content hashes\n    db: Database session\n    _: Token verification",
         "operationId": "reindex_ask_ai",
         "parameters": [
           {
@@ -3336,6 +3336,16 @@
               ],
               "title": "Org Name"
             }
+          },
+          {
+            "name": "incremental",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "boolean",
+              "default": false,
+              "title": "Incremental"
+            }
           }
         ],
         "responses": {