feat: 审查修复一轮——sync 解引用软链技能/防 CLAUDE.md 崩溃/init 建 agent-tasks；upgrade SHA256 校验+收尾容错；新增 xiaohe switch 回滚；uninstall --all 扩到 ~/.metabot ~/.mytoolkit；下载路径改 xiaohe-agent

tests/test_uninstall.py

@@ -30,6 +30,10 @@ def _populate(home: Path) -> None:
     (local_bin / "completions" / "_metabot").write_text("comp")
     (home / ".xiaohe" / "agent").mkdir(parents=True)
     (home / ".xiaohe" / "agent" / "config.json").write_text("{}")
+    (home / ".metabot").mkdir()
+    (home / ".metabot" / "bots.json").write_text("{}")
+    (home / ".mytoolkit").mkdir()
+    (home / ".mytoolkit" / "config.json").write_text("{}")
     (home / "workspace").mkdir()
     app = home / "Desktop" / "Xiaohe Agent.app" / "Contents"
     app.mkdir(parents=True)
@@ -49,15 +53,19 @@ class TestUninstall:
         assert not (local_bin / "completions").exists()  # empty dir cleaned
         assert not (fake_home / "Desktop" / "Xiaohe Agent.app").exists()
         assert (fake_home / ".xiaohe" / "agent" / "config.json").is_file()
+        assert (fake_home / ".metabot" / "bots.json").is_file()
+        assert (fake_home / ".mytoolkit" / "config.json").is_file()
         assert (fake_home / "workspace").is_dir()
 
-    def test_all_removes_xiaohe_dir(self, fake_home: Path) -> None:
+    def test_all_removes_config_dirs(self, fake_home: Path) -> None:
         _populate(fake_home)
         result = CliRunner().invoke(
             un_mod.uninstall_cmd, ["--all", "--yes"], input="y\ndelete-all\n"
         )
         assert result.exit_code == 0
         assert not (fake_home / ".xiaohe").exists()
+        assert not (fake_home / ".metabot").exists()
+        assert not (fake_home / ".mytoolkit").exists()
         assert (fake_home / "workspace").is_dir()  # workspace never touched
 
     def test_all_requires_full_chain_even_with_yes(self, fake_home: Path) -> None: