Add Zalo channel adapter with webhook and send path

src/gateway/handlers/services.test.ts

@@ -37,6 +37,7 @@ function makeBaseConfig(): Config {
     bluebubbles: undefined,
     line: undefined,
     feishu: undefined,
+    zalo: undefined,
   } as unknown as Config;
 }
 
@@ -57,6 +58,7 @@ describe('discoverServices', () => {
       expect.objectContaining({ name: 'bluebubbles', status: 'not_configured' }),
       expect.objectContaining({ name: 'line', status: 'not_configured' }),
       expect.objectContaining({ name: 'feishu', status: 'not_configured' }),
+      expect.objectContaining({ name: 'zalo', status: 'not_configured' }),
       expect.objectContaining({ name: 'cron', status: 'not_configured' }),
       expect.objectContaining({ name: 'mcp', status: 'not_configured' }),
       expect.objectContaining({ name: 'web_search', status: 'configured' }),

src/gateway/handlers/services.ts

@@ -60,6 +60,7 @@ export function discoverServices(
     { key: 'bluebubbles', name: 'bluebubbles', description: 'iMessage via BlueBubbles' },
     { key: 'line', name: 'line', description: 'LINE Messaging API bot' },
     { key: 'feishu', name: 'feishu', description: 'Feishu/Lark bot' },
+    { key: 'zalo', name: 'zalo', description: 'Zalo OA bot' },
   ];
 
   for (const { key, name, description } of channelConfigs) {