Add core MCP server implementation and Ross Talk protocol handler: health-check.ts

src/health-check.ts

@@ -0,0 +1,57 @@
+#!/usr/bin/env node
+
+/**
+ * Health check script for Docker container
+ * Exits with code 0 if healthy, 1 if unhealthy
+ */
+
+import { WebSocket } from 'ws';
+
+const HEALTH_CHECK_PORT = process.env.HEALTH_CHECK_PORT || '3000';
+const HEALTH_CHECK_TIMEOUT = 5000;
+
+async function healthCheck(): Promise<void> {
+  try {
+    // Check if the main process is responsive
+    const healthUrl = `http://localhost:${HEALTH_CHECK_PORT}/health`;
+    
+    const controller = new AbortController();
+    const timeoutId = setTimeout(() => controller.abort(), HEALTH_CHECK_TIMEOUT);
+    
+    try {
+      const response = await fetch(healthUrl, {
+        signal: controller.signal,
+        method: 'GET'
+      });
+      
+      clearTimeout(timeoutId);
+      
+      if (response.ok) {
+        console.log('Health check passed');
+        process.exit(0);
+      } else {
+        console.error(`Health check failed with status: ${response.status}`);
+        process.exit(1);
+      }
+    } catch (error) {
+      clearTimeout(timeoutId);
+      if (error instanceof Error && error.name === 'AbortError') {
+        console.error('Health check timed out');
+      } else {
+        console.error('Health check failed:', error);
+      }
+      process.exit(1);
+    }
+  } catch (error) {
+    console.error('Health check error:', error);
+    process.exit(1);
+  }
+}
+
+// Alternative simple health check - just verify the process is running
+if (process.argv.includes('--simple')) {
+  console.log('Simple health check - process is running');
+  process.exit(0);
+}
+
+healthCheck();