test(test 目錄): 將 12 個單元測試移至 app/test 並更新 npm test 指令

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/test/config.test.js

@@ -0,0 +1,51 @@
+import { describe, it, beforeEach, afterEach } from 'node:test';
+import assert from 'node:assert/strict';
+import { getLLMConfig, getOpenCodeHttpsAgent } from '../config.js';
+
+const ENV_KEYS = [
+  'OPENCODE_BASE_URL', 'OPENCODE_MODEL', 'OPENCODE_PROVIDER',
+];
+
+let saved = {};
+beforeEach(() => {
+  saved = {};
+  for (const k of ENV_KEYS) { saved[k] = process.env[k]; delete process.env[k]; }
+});
+afterEach(() => {
+  for (const k of ENV_KEYS) {
+    if (saved[k] === undefined) delete process.env[k];
+    else process.env[k] = saved[k];
+  }
+});
+
+describe('getLLMConfig', () => {
+  it('returns null provider when no env vars set', () => {
+    const cfg = getLLMConfig();
+    assert.equal(cfg.provider, null);
+    assert.deepEqual(cfg.apiKeys, []);
+  });
+
+  it('detects opencode server with defaults', () => {
+    process.env.OPENCODE_BASE_URL = 'http://opencode.local:4096';
+    const cfg = getLLMConfig();
+    assert.equal(cfg.provider, 'opencode');
+    assert.deepEqual(cfg.apiKeys, ['opencode']);
+    assert.equal(cfg.baseURL, 'http://opencode.local:4096');
+    assert.equal(cfg.model, 'gemini-2.5-flash');
+  });
+
+  it('detects opencode server with custom model', () => {
+    process.env.OPENCODE_BASE_URL = 'http://opencode.local:4096';
+    process.env.OPENCODE_MODEL = 'google/gemini-2.5-pro';
+    const cfg = getLLMConfig();
+    assert.equal(cfg.provider, 'opencode');
+    assert.equal(cfg.baseURL, 'http://opencode.local:4096');
+    assert.equal(cfg.model, 'google/gemini-2.5-pro');
+  });
+
+  it('uses an insecure HTTPS agent for OpenCode', () => {
+    const agent = getOpenCodeHttpsAgent();
+    assert.equal(agent.options.rejectUnauthorized, false);
+  });
+
+});