feat: assemblePlanPrompt 改为按单文档组装，增加依赖说明

tests/core/assembler.test.ts

@@ -37,16 +37,16 @@ describe("assembleDiscussPrompt", () => {
 });
 
 describe("assemblePlanPrompt", () => {
-  it("包含变更名称和文档指引", async () => {
+  it("包含指定文档名称和提示词", async () => {
     const prompt = await assemblePlanPrompt(
       defaultConfig,
       TMP_DIR,
       "user-auth",
+      "design",
     );
     expect(prompt).toContain("user-auth");
     expect(prompt).toContain("design");
-    expect(prompt).toContain("task");
-    expect(prompt).toContain("格式模板");
+    expect(prompt).not.toContain("task");
   });
 
   it("包含已有文档内容（重复 plan 场景）", async () => {
@@ -57,6 +57,7 @@ describe("assemblePlanPrompt", () => {
       defaultConfig,
       TMP_DIR,
       "user-auth",
+      "design",
     );
     expect(prompt).toContain("已有设计");
     expect(prompt).toContain("在此基础上修订");
@@ -67,12 +68,67 @@ describe("assemblePlanPrompt", () => {
       defaultConfig,
       TMP_DIR,
       "user-auth",
+      "design",
     );
     expect(prompt).toContain("user-auth 设计文档");
-    expect(prompt).toContain("user-auth 任务列表");
     expect(prompt).not.toContain("{{change-name}}");
   });
 
+  it("包含依赖说明（有依赖时）", async () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "design", prompt: "生成设计" },
+            { name: "task", prompt: "生成任务", depend: ["design"] },
+          ],
+        },
+      },
+    };
+    const prompt = await assemblePlanPrompt(
+      config,
+      TMP_DIR,
+      "user-auth",
+      "task",
+    );
+    expect(prompt).toContain("依赖说明");
+    expect(prompt).toContain("design.md");
+  });
+
+  it("无依赖时不包含依赖说明", async () => {
+    const prompt = await assemblePlanPrompt(
+      defaultConfig,
+      TMP_DIR,
+      "user-auth",
+      "design",
+    );
+    expect(prompt).not.toContain("依赖说明");
+  });
+
+  it("依赖说明标注完成状态", async () => {
+    const changeDir = join(TMP_DIR, ".rune", "changes", "user-auth");
+    await mkdir(changeDir, { recursive: true });
+    await writeFile(join(changeDir, "design.md"), "# 设计");
+
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "design", prompt: "生成设计" },
+            { name: "task", prompt: "生成任务", depend: ["design"] },
+          ],
+        },
+      },
+    };
+    const prompt = await assemblePlanPrompt(
+      config,
+      TMP_DIR,
+      "user-auth",
+      "task",
+    );
+    expect(prompt).toContain("已完成");
+  });
+
   it("使用自定义 plan 配置", async () => {
     const config: RuneConfig = {
       stages: {
@@ -87,7 +143,7 @@ describe("assemblePlanPrompt", () => {
         },
       },
     };
-    const prompt = await assemblePlanPrompt(config, TMP_DIR, "my-feature");
+    const prompt = await assemblePlanPrompt(config, TMP_DIR, "my-feature", "spec");
     expect(prompt).toContain("spec");
     expect(prompt).toContain("my-feature 规格");
     expect(prompt).not.toContain("design");