chore: initial commit

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

tests/helpers.ts

@@ -0,0 +1,92 @@
+import { mkdtempSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { loadConfig, type AppConfig } from "../src/config.js";
+import type { Logger } from "../src/logger.js";
+import { SkillCatalog } from "../src/skills/catalog.js";
+import type { SkillRepository, StoredSkill, StoredSkillConfig } from "../src/skills/repository.js";
+
+export const silentLogger: Logger = {
+  debug: () => {},
+  info: () => {},
+  warn: () => {},
+  error: () => {},
+};
+
+export function tempRoot(prefix = "laimiao-v2-"): string {
+  return mkdtempSync(join(tmpdir(), prefix));
+}
+
+export class FakeSkillRepository implements SkillRepository {
+  constructor(private skills: StoredSkill[]) {}
+
+  async ensureSchema(): Promise<void> {}
+
+  async listSkills(): Promise<StoredSkill[]> {
+    return this.skills;
+  }
+
+  setSkills(skills: StoredSkill[]): void {
+    this.skills = skills;
+  }
+
+  async close(): Promise<void> {}
+}
+
+export interface SkillFixture {
+  key: string;
+  name?: string;
+  description?: string;
+  content?: string;
+  triggerKeywords?: string;
+  libraryEnabled?: boolean;
+  config?: Partial<StoredSkillConfig> | null;
+}
+
+export function skillFixture(fixture: SkillFixture): StoredSkill {
+  const config: StoredSkillConfig | undefined =
+    fixture.config === null
+      ? undefined
+      : {
+          pricePerImage: 10,
+          enabled: true,
+          ...fixture.config,
+        };
+
+  return {
+    key: fixture.key,
+    name: fixture.name ?? `Test ${fixture.key}`,
+    industry: "test",
+    description: fixture.description ?? `Test skill ${fixture.key}`,
+    triggerKeywords: fixture.triggerKeywords ?? "",
+    content: fixture.content ?? `# ${fixture.key}\n\nUse this skill for tests.\n`,
+    libraryEnabled: fixture.libraryEnabled ?? true,
+    config,
+  };
+}
+
+export async function makeCatalog(
+  skills: StoredSkill[],
+  options: { defaultPrice?: number; defaultModel?: string; defaultSize?: string } = {},
+): Promise<SkillCatalog> {
+  return new SkillCatalog({
+    repository: new FakeSkillRepository(skills),
+    defaultPrice: options.defaultPrice ?? 10,
+    defaultModel: options.defaultModel ?? "gpt-image-2",
+    defaultSize: options.defaultSize ?? "1024x1024",
+    currency: "credits",
+    logger: silentLogger,
+  }).load();
+}
+
+export function testConfig(root: string, overrides: Record<string, string> = {}): AppConfig {
+  return loadConfig({
+    APP_ROOT: root,
+    DATA_DIR: "data",
+    LOG_LEVEL: "error",
+    GATEWAY_MOCK: "true",
+    GATEWAY_POLL_INTERVAL_MS: "10",
+    BILLING_MODE: "dry_run",
+    ...overrides,
+  });
+}