Parameters: name feature inputs when features are added

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL

crates/doc/src/document.rs

@@ -807,6 +807,7 @@ impl Document {
             }
             _ => self.features.push(f),
         }
+        self.name_feature_inputs(id);
         Ok(id)
     }