first lol

server/src/globals/logger.js

@@ -1,8 +1,37 @@
+const sinks = new Set();
+
+function notifySinks(level, label, args) {
+  if (!sinks.size) return;
+  const entry = {
+    level,
+    label: label || null,
+    args,
+    message: args.map((value) => {
+      if (typeof value === 'string') return value;
+      try {
+        return JSON.stringify(value);
+      } catch (err) {
+        return String(value);
+      }
+    }).join(' '),
+    timestamp: new Date().toISOString(),
+  };
+  sinks.forEach((sink) => {
+    try {
+      sink(entry);
+    } catch (err) {
+      // avoid recursive logging
+      console.error(entry.timestamp, '[ERROR]', '[logger]', 'Log sink failed', err);
+    }
+  });
+}
+
 function stamp(level, label, args) {
   const fields = [new Date().toISOString(), `[${level}]`];
   if (label) {
     fields.push(`[${label}]`);
   }
+  notifySinks(level, label, args);
   return [...fields, ...args];
 }
 
@@ -14,7 +43,14 @@ function baseLogger(label) {
   };
 }
 
+function registerSink(fn) {
+  if (typeof fn !== 'function') return () => {};
+  sinks.add(fn);
+  return () => sinks.delete(fn);
+}
+
 module.exports = {
   ...baseLogger(),
   child: (label) => baseLogger(label),
+  registerSink,
 };