health panel implementation

packages/orchestration-service/src/routes/health.js

@@ -0,0 +1,30 @@
+const { Router } = require('express');
+const fetch = require('node-fetch');
+const { getEnv, SERVICES, PORTS } = require('@nexusai/shared');
+
+const router = Router();
+
+const SERVICES_MAP = [
+  { key: 'inference',     label: 'Inference',     url: `${getEnv('INFERENCE_SERVICE_URL', SERVICES.INFERENCE_URL)}/health` },
+  { key: 'memory',        label: 'Memory',        url: `${getEnv('MEMORY_SERVICE_URL',    SERVICES.MEMORY_URL)}/health` },
+  { key: 'embedding',     label: 'Embedding',     url: `${getEnv('EMBEDDING_SERVICE_URL', SERVICES.EMBEDDING_URL)}/health` },
+  { key: 'orchestration', label: 'Orchestration', url: `http://localhost:${getEnv('PORT', PORTS.ORCHESTRATION)}/health` },
+];
+
+router.get('/', async (req, res) => {
+  const results = await Promise.all(
+    SERVICES_MAP.map(async ({ key, label, url }) => {
+      const start = Date.now();
+      try {
+        const r = await fetch(url, { signal: AbortSignal.timeout(3000) });
+        const data = await r.json();
+        return { key, label, status: 'healthy', latency: Date.now() - start, detail: data };
+      } catch (err) {
+        return { key, label, status: 'unreachable', latency: Date.now() - start, detail: null };
+      }
+    })
+  );
+  res.json(results);
+});
+
+module.exports = router;