Fix WSL workspace root detection

Co-authored-by: Orca <help@stably.ai>

src/main/ipc/worktree-logic-wsl.test.ts

@@ -48,4 +48,19 @@ describe('computeWorktreePath WSL layout', () => {
       })
     ).toBe(win32.join('C:\\workspaces', 'feature'))
   })
+
+  it('uses an explicit WSL UNC workspace root without remapping it', () => {
+    parseWslPathMock.mockReturnValue({
+      distro: 'Ubuntu',
+      linuxPath: '/home/jin/src/repo'
+    })
+    getWslHomeMock.mockReturnValue('\\\\wsl.localhost\\Ubuntu\\home\\jin')
+
+    expect(
+      computeWorktreePath('feature', '\\\\wsl.localhost\\Ubuntu\\home\\jin\\src\\repo', {
+        nestWorkspaces: false,
+        workspaceDir: '\\\\wsl.localhost\\Ubuntu\\home\\jin\\custom-worktrees'
+      })
+    ).toBe('\\\\wsl.localhost\\Ubuntu\\home\\jin\\custom-worktrees\\feature')
+  })
 })

src/main/ipc/worktree-logic.ts

@@ -8,6 +8,7 @@ import type {
   WorktreeMeta
 } from '../../shared/types'
 import { resolveRuntimePath } from '../../shared/cross-platform-path'
+import { isWslUncPath } from '../../shared/wsl-paths'
 import { splitWorktreeId } from '../../shared/worktree-id'
 import { DEFAULT_WORKSPACE_STATUS_ID } from '../../shared/workspace-statuses'
 import { getWslHome, parseWslPath } from '../wsl'
@@ -234,7 +235,7 @@ function shouldMirrorWorkspaceDirInsideWsl(repoPath: string, workspaceDir: strin
   if (isWorkspaceDirRelativeToRepo(repoPath, workspaceDir)) {
     return false
   }
-  return !parseWslPath(workspaceDir)
+  return !isWslUncPath(workspaceDir)
 }
 
 /**