完善外部生成Worker动态扩缩容

新增外部生成controller进程角色与systemd服务

补齐队列统计procedure与spacetime-client绑定

更新生产部署脚本、健康巡检和server provision的worker/controller口径

新增容器worker smoke脚本并同步运维文档与团队记忆

scripts/ops/production-health-patrol.mjs

@@ -20,9 +20,11 @@ const DEFAULT_PUBLIC_PATHS = [
 
 const DEFAULT_SERVICES = [
   'genarrative-api.service',
+  'genarrative-external-generation-controller.service',
   'spacetimedb.service',
   'nginx.service',
 ];
+const WORKER_SERVICE_PATTERN = 'genarrative-external-generation-worker@*.service';
 
 function usage() {
   console.log(`Usage:
@@ -216,6 +218,61 @@ async function checkService(serviceName, timeoutMs) {
   );
 }
 
+async function checkActiveWorkerInstances(config) {
+  const result = await runCommand(
+    'systemctl',
+    [
+      'list-units',
+      WORKER_SERVICE_PATTERN,
+      '--type=service',
+      '--state=active',
+      '--no-legend',
+      '--plain',
+      '--no-pager',
+    ],
+    config.timeoutMs,
+  );
+  if (result.code !== 0) {
+    return checkResult(
+      'service:external-generation-workers',
+      'CRITICAL',
+      '无法枚举外部生成 worker 实例',
+      {
+        command: result.command,
+        stderr: result.stderr.trim() || result.error,
+      },
+    );
+  }
+
+  const services = result.stdout
+    .split('\n')
+    .map((line) => line.trim().split(/\s+/u)[0])
+    .filter((service) =>
+      /^genarrative-external-generation-worker@.+\.service$/u.test(service),
+    );
+
+  if (services.length === 0) {
+    return checkResult(
+      'service:external-generation-workers',
+      'CRITICAL',
+      '没有 active 的外部生成 worker 实例',
+      {
+        command: result.command,
+      },
+    );
+  }
+
+  return checkResult(
+    'service:external-generation-workers',
+    'OK',
+    `${services.length} 个 worker active`,
+    {
+      command: result.command,
+      services,
+    },
+  );
+}
+
 function requestUrl(url, timeoutMs) {
   return new Promise((resolve) => {
     const startedAt = Date.now();
@@ -310,6 +367,10 @@ async function checkRecentJournal(config) {
     '-u',
     'genarrative-api.service',
     '-u',
+    'genarrative-external-generation-controller.service',
+    '-u',
+    WORKER_SERVICE_PATTERN,
+    '-u',
     'spacetimedb.service',
     '-u',
     'nginx.service',
@@ -426,6 +487,7 @@ async function main() {
   for (const serviceName of DEFAULT_SERVICES) {
     checks.push(await checkService(serviceName, config.timeoutMs));
   }
+  checks.push(await checkActiveWorkerInstances(config));
 
   checks.push(await checkHttp('api:/healthz', joinUrl(config.apiBaseUrl, '/healthz'), config));
   checks.push(await checkHttp('api:/readyz', joinUrl(config.apiBaseUrl, '/readyz'), config));