feat(api): complete unified v2 mobile surface

backend/command-api/src/app.js

@@ -5,6 +5,7 @@ import { requestContext } from './middleware/request-context.js';
 import { errorHandler, notFoundHandler } from './middleware/error-handler.js';
 import { healthRouter } from './routes/health.js';
 import { createCommandsRouter } from './routes/commands.js';
+import { createMobileCommandsRouter } from './routes/mobile.js';
 
 const logger = pino({ level: process.env.LOG_LEVEL || 'info' });
 
@@ -22,6 +23,7 @@ export function createApp(options = {}) {
 
   app.use(healthRouter);
   app.use('/commands', createCommandsRouter(options.commandHandlers));
+  app.use('/commands', createMobileCommandsRouter(options.mobileCommandHandlers));
 
   app.use(notFoundHandler);
   app.use(errorHandler);