Fix Windows setup hook script (#2106)

src/main/hooks-runner.test.ts

@@ -185,33 +185,45 @@ describe('createIssueCommandRunnerScript', () => {
 
   it('writes a POSIX runner under the worktree git dir for long issue commands', async () => {
     const fs = await import('fs')
+    const originalPlatform = process.platform
 
     execFileSyncMock.mockReturnValue(
       '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh'
     )
-
-    const { createIssueCommandRunnerScript } = await import('./hooks')
-    const result = createIssueCommandRunnerScript(
-      makeRepo(),
-      '/test/repo-feature',
-      'codex exec "long command"\nclaude -p "review it"'
-    )
-
-    expect(result).toEqual({
-      runnerScriptPath: '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
-      envVars: expect.objectContaining({
-        ORCA_ROOT_PATH: '/test/repo',
-        ORCA_WORKTREE_PATH: '/test/repo-feature'
-      })
+    Object.defineProperty(process, 'platform', {
+      configurable: true,
+      value: 'linux'
     })
-    expect(vi.mocked(fs.writeFileSync)).toHaveBeenCalledWith(
-      '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
-      '#!/usr/bin/env bash\nset -e\ncodex exec "long command"\nclaude -p "review it"\n',
-      'utf-8'
-    )
-    expect(vi.mocked(fs.chmodSync)).toHaveBeenCalledWith(
-      '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
-      0o755
-    )
+
+    try {
+      const { createIssueCommandRunnerScript } = await import('./hooks')
+      const result = createIssueCommandRunnerScript(
+        makeRepo(),
+        '/test/repo-feature',
+        'codex exec "long command"\nclaude -p "review it"'
+      )
+
+      expect(result).toEqual({
+        runnerScriptPath: '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
+        envVars: expect.objectContaining({
+          ORCA_ROOT_PATH: '/test/repo',
+          ORCA_WORKTREE_PATH: '/test/repo-feature'
+        })
+      })
+      expect(vi.mocked(fs.writeFileSync)).toHaveBeenCalledWith(
+        '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
+        '#!/usr/bin/env bash\nset -e\ncodex exec "long command"\nclaude -p "review it"\n',
+        'utf-8'
+      )
+      expect(vi.mocked(fs.chmodSync)).toHaveBeenCalledWith(
+        '/test/repo/.git/worktrees/feature/orca/issue-command-runner.sh',
+        0o755
+      )
+    } finally {
+      Object.defineProperty(process, 'platform', {
+        configurable: true,
+        value: originalPlatform
+      })
+    }
   })
 })