fix: isolate node instrumentation

apps/nextjs/src/instrumentation-node.ts

@@ -0,0 +1,35 @@
+export async function registerNodeInstrumentation() {
+  const { createLogger } = await import("@homarr/core/infrastructure/logs");
+  const logger = createLogger({ module: "instrumentation" });
+
+  const startTasksAsync = async () => {
+    try {
+      const tasks = await import("@homarr/tasks");
+      // Cron run-on-start hooks can perform slow external work. Keep dashboard
+      // readiness independent, but never leave the process permanently degraded.
+      void tasks.startupPromise.catch((cause: unknown) => {
+        logger.error(new Error("Failed to start embedded tasks service", { cause }));
+        process.exit(1);
+      });
+    } catch (cause) {
+      const error = new Error("Failed to load embedded tasks service", { cause });
+      logger.error(error);
+      throw error;
+    }
+  };
+
+  const startWebsocketAsync = async () => {
+    try {
+      const websocket = await import("@homarr/websocket");
+      // Listening is a bounded local readiness condition and prevents Next from
+      // becoming healthy with subscriptions unavailable.
+      await websocket.startupPromise;
+    } catch (cause) {
+      const error = new Error("Failed to start embedded websocket service", { cause });
+      logger.error(error);
+      throw error;
+    }
+  };
+
+  await Promise.all([startTasksAsync(), startWebsocketAsync()]);
+}

apps/nextjs/src/instrumentation.ts

@@ -2,37 +2,6 @@ export async function register() {
   if (process.env.NEXT_RUNTIME !== "nodejs") return;
   if (process.env.NODE_ENV !== "production") return;
 
-  const { createLogger } = await import("@homarr/core/infrastructure/logs");
-  const logger = createLogger({ module: "instrumentation" });
-
-  const startTasksAsync = async () => {
-    try {
-      const tasks = await import("@homarr/tasks");
-      // Cron run-on-start hooks can perform slow external work. Keep dashboard
-      // readiness independent, but never leave the process permanently degraded.
-      void tasks.startupPromise.catch((cause: unknown) => {
-        logger.error(new Error("Failed to start embedded tasks service", { cause }));
-        process.exit(1);
-      });
-    } catch (cause) {
-      const error = new Error("Failed to load embedded tasks service", { cause });
-      logger.error(error);
-      throw error;
-    }
-  };
-
-  const startWebsocketAsync = async () => {
-    try {
-      const websocket = await import("@homarr/websocket");
-      // Listening is a bounded local readiness condition and prevents Next from
-      // becoming healthy with subscriptions unavailable.
-      await websocket.startupPromise;
-    } catch (cause) {
-      const error = new Error("Failed to start embedded websocket service", { cause });
-      logger.error(error);
-      throw error;
-    }
-  };
-
-  await Promise.all([startTasksAsync(), startWebsocketAsync()]);
+  const { registerNodeInstrumentation } = await import("./instrumentation-node");
+  await registerNodeInstrumentation();
 }