diff --git a/tests/defaults/config.test.ts b/tests/defaults/config.test.ts
index 737710f..9c122cc 100644
--- a/tests/defaults/config.test.ts
+++ b/tests/defaults/config.test.ts
@@ -14,6 +14,34 @@ describe("defaultConfig", () => {
     expect(typeof defaultConfig.stages.discuss!.prompt).toBe("string");
   });
 
+  it("discuss 默认提示词包含关键章节", () => {
+    const prompt = defaultConfig.stages.discuss!.prompt;
+    expect(prompt).toContain("探索模式");
+    expect(prompt).toContain("立场");
+    expect(prompt).toContain("你可能做的事");
+    expect(prompt).toContain("Rune 感知");
+    expect(prompt).toContain("你不必做的事");
+    expect(prompt).toContain("结束探索");
+    expect(prompt).toContain("护栏");
+    expect(prompt).toContain("典型场景");
+  });
+
+  it("discuss 默认提示词不包含 OpenSpec 术语", () => {
+    const prompt = defaultConfig.stages.discuss!.prompt;
+    expect(prompt).not.toContain("openspec");
+    expect(prompt).not.toContain("/opsx:");
+    expect(prompt).not.toContain("proposal.md");
+    expect(prompt).not.toContain("specs/");
+  });
+
+  it("discuss 默认提示词包含正确 Rune 术语", () => {
+    const prompt = defaultConfig.stages.discuss!.prompt;
+    expect(prompt).toContain("/rune-plan");
+    expect(prompt).toContain("rune status");
+    expect(prompt).toContain("design.md");
+    expect(prompt).toContain("task.md");
+  });
+
   it("plan 阶段包含 design 和 task 两个文档配置", () => {
     const docs = defaultConfig.stages.plan!.documents;
     expect(docs).toHaveLength(2);