fix: initialisation of git

tests/engine/GitEngine.test.ts

@@ -350,4 +350,36 @@ describe('GitEngine', () => {
       expect(result.error).toContain('install Git LFS');
     });
   });
+
+  describe('pruneLfsCache', () => {
+    it('should run git lfs prune with verify-remote by default', async () => {
+      mockRaw.mockResolvedValue('prune complete');
+
+      const result = await gitEngine.pruneLfsCache('/tmp/project');
+
+      expect(mockRaw).toHaveBeenCalledWith(['lfs', 'prune', '--verify-remote']);
+      expect(result.success).toBe(true);
+      expect(result.dryRun).toBe(false);
+      expect(result.verifyRemote).toBe(true);
+    });
+
+    it('should run git lfs prune in dry-run mode when requested', async () => {
+      mockRaw.mockResolvedValue('would prune');
+
+      const result = await gitEngine.pruneLfsCache('/tmp/project', { dryRun: true });
+
+      expect(mockRaw).toHaveBeenCalledWith(['lfs', 'prune', '--verify-remote', '--dry-run']);
+      expect(result.success).toBe(true);
+      expect(result.dryRun).toBe(true);
+    });
+
+    it('should return error result when git lfs prune fails', async () => {
+      mockRaw.mockRejectedValue(new Error('prune failed'));
+
+      const result = await gitEngine.pruneLfsCache('/tmp/project');
+
+      expect(result.success).toBe(false);
+      expect(result.error).toContain('prune failed');
+    });
+  });
 });

tests/ipc/handlers.test.ts

@@ -146,6 +146,7 @@ const mockGitEngine = {
   getStatus: vi.fn(),
   initializeRepo: vi.fn(),
   ensureGitignore: vi.fn(),
+  pruneLfsCache: vi.fn(),
 };
 
 const mockTaskManager = {
@@ -379,6 +380,22 @@ describe('IPC Handlers', () => {
         });
       });
     });
+
+    describe('git:pruneLfs', () => {
+      it('should pass project path and options to GitEngine.pruneLfsCache', async () => {
+        mockGitEngine.pruneLfsCache.mockResolvedValue({
+          success: true,
+          dryRun: true,
+          verifyRemote: true,
+          output: 'would prune',
+        });
+
+        const result = await invokeHandler('git:pruneLfs', '/repo', { dryRun: true, verifyRemote: true });
+
+        expect(mockGitEngine.pruneLfsCache).toHaveBeenCalledWith('/repo', { dryRun: true, verifyRemote: true });
+        expect(result.success).toBe(true);
+      });
+    });
   });
 
   // ============ Project Handlers ============