fix(cursor): harden runtime follow-up regressions

src/utils/hooks/image-analysis-backend-resolver.ts

@@ -396,6 +396,16 @@ function resolveBackend(
     };
   }
 
+  if (profileType === 'cursor' || profileName === 'cursor') {
+    return {
+      backendId: null,
+      backendDisplayName: null,
+      resolutionSource: 'unresolved',
+      reason:
+        'Cursor image analysis does not inherit the global fallback backend. Set image_analysis.profile_backends.cursor to an explicit provider to enable transformer-backed image analysis.',
+    };
+  }
+
   if (profileType === 'copilot' || profileName === 'copilot') {
     const backendId = normalizeImageAnalysisBackendId('ghcp', Object.keys(config.provider_models));
     return {