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_sync_workspace.py

@@ -86,6 +86,41 @@ class TestSyncWorkspace:
         report = sync_mod.sync_workspace(workspace, force=True)
         assert report["added"]
 
+    def test_symlinked_skill_dir_is_dereferenced(
+        self, runtime: Path, workspace: Path
+    ) -> None:
+        # Skills living in contrib/ are linked into .agents/skills (relative
+        # symlink); the workspace must receive real self-contained files.
+        real = runtime / "contrib" / "mytoolkit" / ".claude" / "skills" / "mytoolkit"
+        real.mkdir(parents=True)
+        (real / "SKILL.md").write_text("toolkit skill v1")
+        import os
+
+        rel_target = os.path.relpath(real, runtime / ".agents" / "skills")
+        (runtime / ".agents" / "skills" / "mytoolkit").symlink_to(
+            rel_target, target_is_directory=True
+        )
+        report = sync_mod.sync_workspace(workspace)
+        copied = workspace / ".agents" / "skills" / "mytoolkit" / "SKILL.md"
+        assert copied.is_file() and not copied.is_symlink()
+        assert copied.read_text() == "toolkit skill v1"
+        assert ".agents/skills/mytoolkit/SKILL.md" in report["added"]
+        # Second run: content identical -> no spurious updates.
+        assert sync_mod.sync_workspace(workspace) == {
+            "added": [], "updated": [], "skipped": [], "removed": []
+        }
+
+    def test_existing_real_managed_symlink_target_is_kept(
+        self, runtime: Path, workspace: Path
+    ) -> None:
+        # A pre-existing real CLAUDE.md must not be replaced by a symlink.
+        (workspace / "CLAUDE.md").write_text("my own claude rules")
+        sync_mod.sync_workspace(workspace)
+        claude_md = workspace / "CLAUDE.md"
+        assert not claude_md.is_symlink()
+        assert claude_md.read_text() == "my own claude rules"
+        assert (workspace / ".claude").is_symlink()  # other links still made
+
 
 class TestCreateLauncher:
     @pytest.fixture()
@@ -133,3 +168,43 @@ class TestCreateLauncher:
         text = entry.read_text()
         assert "Name=Xiaohe Agent" in text
         assert "Icon=xiaohe-agent" in text
+
+
+class TestInitCommand:
+    @pytest.fixture()
+    def fake_home(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Path:
+        home = tmp_path / "home"
+        home.mkdir()
+        monkeypatch.setattr(Path, "home", staticmethod(lambda: home))
+        monkeypatch.setattr(sync_mod, "get_setting", lambda *a, **kw: "")
+        monkeypatch.setattr(sync_mod, "set_setting", lambda *a, **kw: None)
+        return home
+
+    def test_agent_tasks_created_from_template(
+        self, runtime: Path, workspace: Path, fake_home: Path
+    ) -> None:
+        from click.testing import CliRunner
+
+        template = runtime / "assistant" / "agent-tasks.template.md"
+        template.parent.mkdir(parents=True)
+        template.write_text("# task board template")
+        result = CliRunner().invoke(sync_mod.init_cmd, [str(workspace)])
+        assert result.exit_code == 0, result.output
+        live = workspace / "assistant" / "agent-tasks.md"
+        assert live.read_text() == "# task board template"
+        assert (workspace / "tmp").is_dir()  # skeleton dirs created
+
+    def test_existing_agent_tasks_untouched(
+        self, runtime: Path, workspace: Path, fake_home: Path
+    ) -> None:
+        from click.testing import CliRunner
+
+        template = runtime / "assistant" / "agent-tasks.template.md"
+        template.parent.mkdir(parents=True)
+        template.write_text("# task board template")
+        live = workspace / "assistant" / "agent-tasks.md"
+        live.parent.mkdir(parents=True)
+        live.write_text("# my live board")
+        result = CliRunner().invoke(sync_mod.init_cmd, [str(workspace)])
+        assert result.exit_code == 0, result.output
+        assert live.read_text() == "# my live board"