feat: 提示词拼装使用动态命令前缀

tests/core/assembler.test.ts

@@ -149,7 +149,7 @@ describe("assembleBuildPrompt", () => {
     } catch (e: any) {
       expect(e.message).toContain("尚未完成规划");
       expect(e.message).toContain("nonexistent");
-      expect(e.hint).toContain("rune plan");
+      expect(e.hint).toContain("plan nonexistent");
     }
   });
 });
@@ -163,3 +163,47 @@ describe("assembleArchivePrompt", () => {
     expect(prompt).toContain("归档");
   });
 });
+
+describe("命令前缀替换", () => {
+  it("assembleDiscussPrompt 替换 rune 为配置前缀", () => {
+    const config: RuneConfig = {
+      stages: { discuss: { prompt: "执行 rune status 查看状态" } },
+      metadata: { command: "bunx @lanyuanxiaoyao/rune" },
+    };
+    const prompt = assembleDiscussPrompt(config);
+    expect(prompt).toContain("bunx @lanyuanxiaoyao/rune status");
+    expect(prompt).not.toContain("执行 rune ");
+  });
+
+  it("assembleDiscussPrompt 无配置时追加降级说明", () => {
+    const config: RuneConfig = {
+      stages: { discuss: { prompt: "执行 rune status 查看" } },
+    };
+    const prompt = assembleDiscussPrompt(config);
+    expect(prompt).toContain("bunx @lanyuanxiaoyao/rune status");
+    expect(prompt).toContain("如果没有安装 bun");
+  });
+
+  it("assembleBuildPrompt 错误提示使用动态前缀", async () => {
+    const config: RuneConfig = {
+      stages: { build: { prompt: "构建阶段" } },
+      metadata: { command: "pnpx @lanyuanxiaoyao/rune" },
+    };
+    try {
+      await assembleBuildPrompt(config, TMP_DIR, "nonexistent-build");
+      expect.unreachable();
+    } catch (e: any) {
+      expect(e.hint).toContain("pnpx @lanyuanxiaoyao/rune plan nonexistent-build");
+    }
+  });
+
+  it("不替换 /rune- 形式", () => {
+    const config: RuneConfig = {
+      stages: { discuss: { prompt: "使用 /rune-plan 进入规划，然后 rune build 构建" } },
+      metadata: { command: "bunx @lanyuanxiaoyao/rune" },
+    };
+    const prompt = assembleDiscussPrompt(config);
+    expect(prompt).toContain("/rune-plan");
+    expect(prompt).toContain("bunx @lanyuanxiaoyao/rune build");
+  });
+});