Add orphaned features management routes and UI integration (#819)

* test(copilot): add edge case test for error with code field

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Changes from fix/bug-fixes-1-0

* refactor(auto-mode): enhance orphaned feature detection and improve project initialization

- Updated detectOrphanedFeatures method to accept preloaded features, reducing redundant disk reads.
- Improved project initialization by creating required directories and files in parallel for better performance.
- Adjusted planning mode handling in UI components to clarify approval requirements for different modes.
- Added refresh functionality for file editor tabs to ensure content consistency with disk state.

These changes enhance performance, maintainability, and user experience across the application.

* feat(orphaned-features): add orphaned features management routes and UI integration

- Introduced new routes for managing orphaned features, including listing, resolving, and bulk resolving.
- Updated the UI to include an Orphaned Features section in project settings and navigation.
- Enhanced the execution service to support new orphaned feature functionalities.

These changes improve the application's capability to handle orphaned features effectively, enhancing user experience and project management.

* fix: Normalize line endings and resolve stale dirty states in file editor

* chore: Update .gitignore and enhance orphaned feature handling

- Added a blank line in .gitignore for better readability.
- Introduced a hash to worktree paths in orphaned feature resolution to prevent conflicts.
- Added validation for target branch existence during orphaned feature resolution.
- Improved prompt formatting in execution service for clarity.
- Enhanced error handling in project selector for project initialization failures.
- Refactored orphaned features section to improve state management and UI responsiveness.

These changes improve code maintainability and user experience when managing orphaned features.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

apps/server/tests/unit/lib/file-editor-store-logic.test.ts

@@ -287,15 +287,17 @@ describe('File editor dirty state logic', () => {
       expect(tab.isDirty).toBe(true);
     });
 
-    it('should handle line ending differences as dirty', () => {
+    it('should treat CRLF and LF line endings as equivalent (not dirty)', () => {
       let tab = {
         content: 'line1\nline2',
         originalContent: 'line1\nline2',
         isDirty: false,
       };
 
+      // CodeMirror normalizes \r\n to \n internally, so content that only
+      // differs by line endings should NOT be considered dirty.
       tab = updateTabContent(tab, 'line1\r\nline2');
-      expect(tab.isDirty).toBe(true);
+      expect(tab.isDirty).toBe(false);
     });
 
     it('should handle unicode content correctly', () => {

apps/server/tests/unit/services/execution-service.test.ts

@@ -451,7 +451,7 @@ describe('execution-service.ts', () => {
       const callArgs = mockRunAgentFn.mock.calls[0];
       expect(callArgs[0]).toMatch(/test.*project/); // workDir contains project
       expect(callArgs[1]).toBe('feature-1');
-      expect(callArgs[2]).toContain('Feature Implementation Task');
+      expect(callArgs[2]).toContain('Feature Task');
       expect(callArgs[3]).toBeInstanceOf(AbortController);
       expect(callArgs[4]).toBe('/test/project');
       // Model (index 6) should be resolved