fix: CLI缺少参数友好提示、config.yaml注释模板、skill目录结构规范

tests/commands/init.test.ts

@@ -26,7 +26,8 @@ describe("runInit", () => {
       join(TMP_DIR, ".rune", "config.yaml"),
       "utf-8",
     );
-    expect(content.trim()).toBe("stages: {}");
+    expect(content).toContain("# Rune 配置文件");
+    expect(content).toContain("stages:");
   });
 
   it("创建 .rune/changes 和 .rune/archive 目录", async () => {
@@ -40,7 +41,7 @@ describe("runInit", () => {
     await runInit(TMP_DIR, ["opencode"]);
 
     expect(existsSync(join(TMP_DIR, ".opencode", "commands", "rune-discuss.md"))).toBe(true);
-    expect(existsSync(join(TMP_DIR, ".opencode", "skills", "rune-discuss.md"))).toBe(true);
+    expect(existsSync(join(TMP_DIR, ".opencode", "skills", "rune-discuss", "SKILL.md"))).toBe(true);
   });
 
   it("重复 init 不覆盖 config.yaml", async () => {