feat(01.1-06): update CLI status command and add integration tests

- Update status command to use tRPC client for server communication
- Display health status, uptime, and process count
- Handle connection errors gracefully with helpful message
- Add 7 integration tests proving full CLI-server tRPC flow
- Tests cover health procedure, status procedure, and error handling

src/cli/index.ts

@@ -11,6 +11,7 @@ import { CoordinationServer } from '../server/index.js';
 import { GracefulShutdown } from '../server/shutdown.js';
 import { ProcessManager, ProcessRegistry } from '../process/index.js';
 import { LogManager } from '../logging/index.js';
+import { createDefaultTrpcClient } from './trpc-client.js';
 
 /** Environment variable for custom port */
 const CW_PORT_ENV = 'CW_PORT';
@@ -77,12 +78,23 @@ export function createCli(serverHandler?: (port?: number) => Promise<void>): Com
     }
   });
 
-  // Placeholder commands - will be implemented in later phases
+  // Status command - shows workspace status via tRPC
   program
     .command('status')
     .description('Show workspace status')
-    .action(() => {
-      console.log('cw status: not implemented');
+    .action(async () => {
+      try {
+        const client = createDefaultTrpcClient();
+        const health = await client.health.query();
+
+        console.log('Coordination Server Status');
+        console.log('==========================');
+        console.log(`Status: ${health.status}`);
+        console.log(`Uptime: ${health.uptime}s`);
+        console.log(`Processes: ${health.processCount}`);
+      } catch {
+        console.log('Server not running or unreachable. Start with: cw --server');
+      }
     });
 
   program