Create standalone browser port of LTX Athena with authenticated native API transport

frontend/hooks/use-custom-ic-lora-enabled.ts

@@ -0,0 +1,9 @@
+import { useDevFlags } from '../contexts/DevFlagsContext'
+
+// Single source of truth for whether the "Custom IC-LoRA" UI is available.
+// Off by default via the dev flag. Built-in Canny/Depth IC-LoRA is unaffected.
+// The custom option only appears inside IC-LoRA mode, which is already gated by
+// the existing API-only check — so this flag is all the extra gating it needs.
+export function useCustomIcLoraEnabled(): boolean {
+  return useDevFlags().flags.customIcLora
+}