fix: resolve type errors after merging upstream v0.12.0rc

- Fix ThemeMode type casting in __root.tsx
- Use specRegeneration.create() instead of non-existent generateAppSpec
- Add missing keyboard shortcut entries for projectSettings and notifications
- Fix lucide-react type casts with intermediate unknown cast
- Remove unused pipelineConfig prop from ListRow component
- Align SettingsProject interface with Project type
- Fix defaultDeleteBranchWithWorktree property name

apps/ui/src/hooks/use-project-settings-loader.ts

@@ -93,8 +93,11 @@ export function useProjectSettingsLoader() {
           }
 
           // Apply defaultDeleteBranch if present
-          if (result.settings.defaultDeleteBranch !== undefined) {
-            setDefaultDeleteBranch(requestedProjectPath, result.settings.defaultDeleteBranch);
+          if (result.settings.defaultDeleteBranchWithWorktree !== undefined) {
+            setDefaultDeleteBranch(
+              requestedProjectPath,
+              result.settings.defaultDeleteBranchWithWorktree
+            );
           }
 
           // Apply autoDismissInitScriptIndicator if present