fix: close PI-090 review findings

electron/coding-runtime/pi/extensions/changed-file.ts

@@ -29,7 +29,7 @@ export async function reportChangedFiles(
   const paths = snapshot.files.map((file) => file.path);
   const details: ChangedFileDetailsV1 = { schema: 'changed-file.v1', paths };
   return {
-    content: [{ type: 'text' as const, text: JSON.stringify({ paths, changes: snapshot.files }) }],
+    content: [{ type: 'text' as const, text: `${paths.length} changed path(s) recorded` }],
     details,
   };
 }

electron/coding-runtime/pi/extensions/makelore-runtime.ts

@@ -306,7 +306,10 @@ export default function makeloreRuntime(pi) {
     const paths = touchedPaths.get(event.toolCallId);
     touchedPaths.delete(event.toolCallId);
     if (paths) {
-      await invokeProduct(event.toolCallId, 'changed_file', { paths, refresh: true }).catch(() => undefined);
+      await bridge('changes.touched', {
+        resourceId: event.toolCallId,
+        paths,
+      }).catch(() => undefined);
     }
   });
   pi.on('agent_end', releaseAll);