init

parser/scripts/healthcheck.js

@@ -0,0 +1,25 @@
+const fs = require('fs');
+const config = require('../src/config');
+
+try {
+  const raw = fs.readFileSync(config.heartbeatFile, 'utf8');
+  const heartbeat = JSON.parse(raw);
+  const ageMs = Date.now() - new Date(heartbeat.timestamp).getTime();
+  const maxAgeMs = Math.max(config.pollIntervalMs * 3, 120000);
+
+  if (!heartbeat.timestamp || Number.isNaN(ageMs) || ageMs > maxAgeMs) {
+    console.error('Heartbeat is stale');
+    process.exit(1);
+  }
+
+  if (heartbeat.status === 'fatal') {
+    console.error('Parser is in fatal state');
+    process.exit(1);
+  }
+
+  process.exit(0);
+} catch (error) {
+  console.error(error.message);
+  process.exit(1);
+}
+