feat: xiaohe version——显示 bin 跑的是研发检出还是安装快照（含 git describe）；uninstall --all 三重确认

tests/test_uninstall.py

@@ -53,11 +53,32 @@ class TestUninstall:
 
     def test_all_removes_xiaohe_dir(self, fake_home: Path) -> None:
         _populate(fake_home)
-        result = CliRunner().invoke(un_mod.uninstall_cmd, ["--all", "--yes"])
+        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 (fake_home / "workspace").is_dir()  # workspace never touched
 
+    def test_all_requires_full_chain_even_with_yes(self, fake_home: Path) -> None:
+        _populate(fake_home)
+        # --yes skips only the first gate; declining the second cancels.
+        result = CliRunner().invoke(
+            un_mod.uninstall_cmd, ["--all", "--yes"], input="n\n"
+        )
+        assert result.exit_code == 0
+        assert "Cancelled" in result.output
+        assert (fake_home / ".xiaohe").exists()
+
+    def test_all_aborts_on_wrong_phrase(self, fake_home: Path) -> None:
+        _populate(fake_home)
+        result = CliRunner().invoke(
+            un_mod.uninstall_cmd, ["--all", "--yes"], input="y\nnope\n"
+        )
+        assert result.exit_code == 0
+        assert "Cancelled" in result.output
+        assert (fake_home / ".xiaohe").exists()
+
     def test_cancelled_keeps_everything(self, fake_home: Path) -> None:
         _populate(fake_home)
         result = CliRunner().invoke(un_mod.uninstall_cmd, [], input="n\n")

tests/test_version.py

@@ -0,0 +1,48 @@
+"""Tests for myagents.commands.version."""
+
+import subprocess
+from pathlib import Path
+
+from click.testing import CliRunner
+
+from myagents.commands import version as ver_mod
+
+
+class TestDescribeTree:
+    def test_installed_runtime_tree(self) -> None:
+        tree = Path("/home/u/.xiaohe/runtime/v1.2.3/contrib/myagents")
+        mode, detail = ver_mod.describe_tree(tree)
+        assert mode == "installed"
+        assert detail == "v1.2.3"
+
+    def test_development_checkout(self, tmp_path: Path) -> None:
+        repo = tmp_path / "repo"
+        repo.mkdir()
+        (repo / ".git").mkdir()
+        mode, _ = ver_mod.describe_tree(repo)
+        assert mode == "development"
+
+    def test_unknown_tree(self, tmp_path: Path) -> None:
+        mode, _ = ver_mod.describe_tree(tmp_path)
+        assert mode == "unknown"
+
+
+class TestGitDescribe:
+    def test_describes_real_repo(self, tmp_path: Path) -> None:
+        repo = tmp_path / "repo"
+        repo.mkdir()
+        subprocess.run(["git", "init", "-q"], cwd=repo, check=True)
+        subprocess.run(
+            ["git", "-c", "user.email=t@t", "-c", "user.name=t",
+             "commit", "-q", "--allow-empty", "-m", "init"],
+            cwd=repo, check=True,
+        )
+        result = ver_mod._git_describe(repo)
+        assert "branch" in result
+
+
+class TestVersionCommand:
+    def test_runs_and_reports(self) -> None:
+        result = CliRunner().invoke(ver_mod.version_cmd)
+        assert result.exit_code == 0
+        assert "myagents" in result.output