test: 调整 archive 流程测试，新增 finish 命令测试

tests/cli/help.test.ts

@@ -22,6 +22,7 @@ describe("showGlobalHelp", () => {
     expect(output).toContain("plan <变更> <文档>");
     expect(output).toContain("build <名称>");
     expect(output).toContain("archive <名称>");
+    expect(output).toContain("finish <名称>");
     expect(output).toContain("status");
     expect(output).toContain("help");
     expect(output).toContain("version");
@@ -56,6 +57,13 @@ describe("showCommandHelp", () => {
     expect(output).toContain("rune create add-user-auth");
   });
 
+  it("finish 命令包含归档变更说明", () => {
+    const output = showCommandHelp("finish", "rune");
+    expect(output).toContain("rune finish <change-name>");
+    expect(output).toContain("归档变更");
+    expect(output).toContain("将变更目录");
+  });
+
   it("不存在的命令返回 null", () => {
     const output = showCommandHelp("nonexistent", "rune");
     expect(output).toBeNull();