Add Feishu channel adapter with webhook and send path

src/config/schema.test.ts

@@ -608,6 +608,33 @@ describe('configSchema — line', () => {
   });
 });
 
+describe('configSchema — feishu', () => {
+  const minimalConfig = {
+    telegram: { bot_token: 'test', allowed_chat_ids: [1] },
+    models: { default: { provider: 'anthropic', model: 'claude-3' } },
+  };
+
+  it('accepts feishu config and defaults optional fields', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      feishu: {
+        app_id: 'cli_a1b2c3',
+        app_secret: 'secret',
+      },
+    });
+
+    expect(result.feishu).toBeDefined();
+    if (!result.feishu) {
+      throw new Error('Expected feishu config');
+    }
+    expect(result.feishu.app_id).toBe('cli_a1b2c3');
+    expect(result.feishu.app_secret).toBe('secret');
+    expect(result.feishu.allowed_chat_ids).toEqual([]);
+    expect(result.feishu.require_mention).toBe(true);
+    expect(result.feishu.mention_name).toBe('flynn');
+  });
+});
+
 describe('configSchema — whatsapp', () => {
   const minimalConfig = {
     telegram: { bot_token: 'test', allowed_chat_ids: [1] },