feat(characters): support character-scoped conversations

src/providers/chat-route-providers.tsx

@@ -2,17 +2,26 @@
 
 import type { ReactNode } from "react";
 
+import { DEFAULT_CHARACTER_ID } from "@/data/constants/character";
 import { ChatProvider } from "@/stores/chat/chat-context";
 import { PaymentProvider } from "@/stores/payment/payment-context";
 import { ChatAuthSync } from "@/stores/sync/chat-auth-sync";
 import { ChatPaymentSuccessSync } from "@/stores/sync/chat-payment-success-sync";
 import { PaymentSuccessSync } from "@/stores/sync/payment-success-sync";
 
-export function ChatRouteProviders({ children }: { children: ReactNode }) {
+export interface ChatRouteProvidersProps {
+  children: ReactNode;
+  characterId?: string;
+}
+
+export function ChatRouteProviders({
+  children,
+  characterId = DEFAULT_CHARACTER_ID,
+}: ChatRouteProvidersProps) {
   return (
     <PaymentProvider>
       <PaymentSuccessSync />
-      <ChatProvider>
+      <ChatProvider characterId={characterId}>
         <ChatAuthSync />
         <ChatPaymentSuccessSync />
         {children}