phonenumber api adjustement

common/proto/table_definition.proto

@@ -246,6 +246,19 @@ message TableDetail {
   repeated ScriptInfo scripts = 4;
   string base_currency = 5;
   string row_display_column = 6;
+  map<string, ColumnBehavior> column_behaviors = 7;
+}
+
+// Server-owned behavior for one logical column returned in table details.
+message ColumnBehavior {
+  // True when the server created the column as a companion of another column.
+  bool generated = 1;
+
+  // True when clients must display but never submit edits for the column.
+  bool read_only = 2;
+
+  // Logical source column name, empty for ordinary user-defined columns.
+  string generated_from = 3;
 }
 
 // A script that targets a specific column in a table.