json in the otput of the tantivy

common/proto/search.proto

@@ -10,11 +10,11 @@ message SearchRequest {
     string table_name = 1;
     string query = 2;
 }
-
 message SearchResponse {
     message Hit {
-        int64 id = 1; // The PostgreSQL row ID
+        int64 id = 1; // PostgreSQL row ID
         float score = 2;
+        string content_json = 3;
     }
     repeated Hit hits = 1;
 }