chore: import upstream snapshot with attribution

apps/sim/app/_shell/hydration-error-handler.tsx

@@ -0,0 +1,63 @@
+'use client'
+
+import { useEffect } from 'react'
+import { createLogger } from '@sim/logger'
+
+const logger = createLogger('RootLayout')
+
+const BROWSER_EXTENSION_ATTRIBUTES = [
+  'data-new-gr-c-s-check-loaded',
+  'data-gr-ext-installed',
+  'data-gr-ext-disabled',
+  'data-grammarly',
+  'data-fgm',
+  'data-lt-installed',
+]
+
+/**
+ * Checks whether a hydration error is caused by Radix UI's auto-generated IDs
+ * (`aria-controls`, `id`) differing between server and client. This is a known
+ * harmless artifact of React 19's streaming SSR producing different `useId()`
+ * tree paths. The IDs self-correct on first interaction and have no visual or
+ * functional impact since they only link closed (invisible) popover/menu content.
+ */
+function isRadixIdMismatch(args: unknown[]): boolean {
+  return args.some(
+    (arg) => typeof arg === 'string' && arg.includes('radix-') && /aria-controls|"\bid\b"/.test(arg)
+  )
+}
+
+/**
+ * Client component that intercepts console.error to filter hydration errors
+ * caused by browser extensions or Radix UI's `useId()` mismatch.
+ */
+export function HydrationErrorHandler() {
+  useEffect(() => {
+    const originalError = console.error
+    console.error = (...args) => {
+      if (typeof args[0] === 'string' && args[0].includes('Hydration')) {
+        const isExtensionError = BROWSER_EXTENSION_ATTRIBUTES.some((attr) =>
+          args.some((arg) => typeof arg === 'string' && arg.includes(attr))
+        )
+
+        if (isExtensionError || isRadixIdMismatch(args)) {
+          return
+        }
+
+        logger.error('Hydration Error', {
+          details: args,
+          componentStack: args.find(
+            (arg) => typeof arg === 'string' && arg.includes('component stack')
+          ),
+        })
+      }
+      originalError.apply(console, args)
+    }
+
+    return () => {
+      console.error = originalError
+    }
+  }, [])
+
+  return null
+}