fix(ui): disable aggressive polling on plan page to prevent layout thrashing

app/[workspace]/project/[projectId]/(home)/plan/page.tsx

@@ -42,7 +42,7 @@ export default function PlanPageV2() {
   const { data: plan, error, mutate: mutatePlan } = useSWR<Plan>(
     projectId ? `/api/projects/${projectId}/plan` : null,
     fetcher,
-    { refreshInterval: 15000, dedupingInterval: 5000 }
+    { revalidateOnFocus: false, revalidateIfStale: false }
   );
   
   // Wrapper for child components to update SWR cache optimally

fix_plan_swr_loop.js

@@ -0,0 +1,21 @@
+const fs = require('fs');
+
+const file = 'app/[workspace]/project/[projectId]/(home)/plan/page.tsx';
+let code = fs.readFileSync(file, 'utf8');
+
+// I injected SWR into the file earlier to stop the custom setInterval loop.
+// However, the `fetcher` I injected doesn't use useCallback, and SWR's fallback/refresh
+// logic might be triggering too aggressively because of how the subcomponents remount
+// or because `refreshInterval` is fighting with `mutatePlan(newPlan, false)`.
+
+// Let's remove the 15-second auto-polling. If the user edits something, we trigger a revalidation.
+// If the AI edits something from the chat, we already have an SSE 'plan' event that 
+// streams the update directly to the UI! So we don't need SWR to poll AT ALL.
+
+code = code.replace(
+  '{ refreshInterval: 15000, dedupingInterval: 5000 }',
+  '{ revalidateOnFocus: false, revalidateIfStale: false }'
+);
+
+fs.writeFileSync(file, code);
+console.log("Disabled SWR polling on the Plan page");