feat: 新增 validateConfig 校验 depend 引用、自依赖和循环依赖

tests/core/config.test.ts

@@ -1,7 +1,9 @@
 import { describe, it, expect, beforeEach, afterEach } from "bun:test";
 import { mkdir, writeFile, rm } from "node:fs/promises";
 import { join } from "node:path";
-import { loadConfig, findProjectRoot, getRuneDir } from "../../src/core/config.ts";
+import { loadConfig, findProjectRoot, getRuneDir, validateConfig } from "../../src/core/config.ts";
+import { ConfigError } from "../../src/cli/errors.ts";
+import type { RuneConfig } from "../../src/types.ts";
 
 const TMP_DIR = join(import.meta.dir, "__tmp_config_test__");
 
@@ -103,3 +105,77 @@ describe("getRuneDir", () => {
     expect(getRuneDir("/project")).toBe(join("/project", ".rune"));
   });
 });
+
+describe("validateConfig", () => {
+  it("正常配置不抛错", () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "design", prompt: "生成设计" },
+            { name: "task", prompt: "生成任务", depend: ["design"] },
+          ],
+        },
+      },
+    };
+    expect(() => validateConfig(config)).not.toThrow();
+  });
+
+  it("depend 引用不存在的文档时报错", () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "task", prompt: "生成任务", depend: ["nonexistent"] },
+          ],
+        },
+      },
+    };
+    expect(() => validateConfig(config)).toThrow(ConfigError);
+  });
+
+  it("自依赖报错", () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "design", prompt: "生成设计", depend: ["design"] },
+          ],
+        },
+      },
+    };
+    expect(() => validateConfig(config)).toThrow(ConfigError);
+  });
+
+  it("循环依赖报错", () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "a", prompt: "a", depend: ["b"] },
+            { name: "b", prompt: "b", depend: ["a"] },
+          ],
+        },
+      },
+    };
+    expect(() => validateConfig(config)).toThrow(ConfigError);
+  });
+
+  it("无 plan 阶段时不报错", () => {
+    const config: RuneConfig = { stages: {} };
+    expect(() => validateConfig(config)).not.toThrow();
+  });
+
+  it("depend 为空数组时不报错", () => {
+    const config: RuneConfig = {
+      stages: {
+        plan: {
+          documents: [
+            { name: "design", prompt: "生成设计", depend: [] },
+          ],
+        },
+      },
+    };
+    expect(() => validateConfig(config)).not.toThrow();
+  });
+});