chore: import upstream snapshot with attribution

apps/sim/lib/core/utils/request.ts

@@ -0,0 +1,27 @@
+import { getRequestContext } from '@sim/logger'
+import { generateId } from '@sim/utils/id'
+/**
+ * Generate a short request ID for correlation. If called inside a request
+ * context (see `withRouteHandler` and `runWithRequestContext`), returns the
+ * active request's ID so inline `[${requestId}]` log prefixes align with
+ * the auto-attached `{requestId=...}` logger metadata.
+ */
+export function generateRequestId(): string {
+  return getRequestContext()?.requestId ?? generateId().slice(0, 8)
+}
+
+/**
+ * Extract the client IP from a request, checking `x-forwarded-for` then `x-real-ip`.
+ */
+export function getClientIp(request: { headers: { get(name: string): string | null } }): string {
+  return (
+    request.headers.get('x-forwarded-for')?.split(',')[0]?.trim() ||
+    request.headers.get('x-real-ip')?.trim() ||
+    'unknown'
+  )
+}
+
+/**
+ * No-operation function for use as default callback
+ */
+export const noop = () => {}