chore: initial commit

Laimiao agent v2 service: agent orchestration, sessions, billing,
gateway client, skills catalog, auth, config, plus tests.

tests/prompt.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import { buildSystemPrompts } from "../src/agent/prompt.js";
+import { makeCatalog, skillFixture, tempRoot, testConfig } from "./helpers.js";
+
+describe("system prompts", () => {
+  it("uses direct mode when no skill is selected", async () => {
+    const catalog = await makeCatalog([
+      skillFixture({ key: "poster", content: "# Poster\n\nUse poster rules." }),
+    ]);
+    const prompts = buildSystemPrompts(catalog, testConfig(tempRoot()));
+    const text = [prompts.systemPrompt, ...prompts.appendSystemPrompt].join("\n");
+    expect(text).toContain("直接生成模式");
+    expect(text).toContain("普通直接生成不要读取技能规范");
+    expect(text).toContain("省略 skill_id");
+    expect(text).toContain("confirm_travel_style");
+    expect(text).not.toContain("Use poster rules");
+    expect(text).not.toContain("skill_id: poster");
+  });
+
+  it("injects only the selected skill spec", async () => {
+    const catalog = await makeCatalog([
+      skillFixture({ key: "poster", content: "# Poster\n\nUse poster rules." }),
+      skillFixture({ key: "other", content: "# Other\n\nUse other rules." }),
+    ]);
+    const skill = catalog.get("poster");
+    if (!skill) throw new Error("missing fixture");
+
+    const prompts = buildSystemPrompts(catalog, testConfig(tempRoot()), skill);
+    const text = [prompts.systemPrompt, ...prompts.appendSystemPrompt].join("\n");
+    expect(text).toContain("skill_id: poster");
+    expect(text).toContain("Test skill poster");
+    expect(text).toContain("Use poster rules");
+    expect(text).not.toContain("Use other rules");
+    expect(text).not.toContain("直接生成模式");
+  });
+});