feat: add crm webhook worker

apps/worker/src/index.ts

@@ -0,0 +1,50 @@
+import { closePool } from './db.js';
+import { config } from './config.js';
+import { processCrmBatch } from './jobs/crm.js';
+
+function hasArg(name: string) {
+  return process.argv.includes(name);
+}
+
+function argValue(name: string, fallback = '') {
+  const index = process.argv.indexOf(name);
+  return index >= 0 ? process.argv[index + 1] || fallback : fallback;
+}
+
+async function runOnce() {
+  const job = argValue('--job', 'crm');
+  if (job !== 'crm') {
+    throw new Error(`Unsupported worker job: ${job}`);
+  }
+  const result = await processCrmBatch();
+  console.log(`[worker] crm batch processed=${result.processed} sent=${result.sent} failed=${result.failed} retrying=${result.retrying} discarded=${result.discarded}`);
+}
+
+async function runLoop() {
+  console.log('[worker] started');
+  let stopped = false;
+  const stop = () => {
+    stopped = true;
+  };
+  process.once('SIGINT', stop);
+  process.once('SIGTERM', stop);
+
+  while (!stopped) {
+    try {
+      await runOnce();
+    } catch (error) {
+      console.error('[worker] job failed', error);
+    }
+    await new Promise(resolve => setTimeout(resolve, config.crmPollIntervalMs));
+  }
+}
+
+try {
+  if (hasArg('--loop')) {
+    await runLoop();
+  } else {
+    await runOnce();
+  }
+} finally {
+  await closePool();
+}