feat: implement find_all method in ChannelRepository and update related services and routes for public access

k-tv-frontend/hooks/use-tv.ts

@@ -106,7 +106,8 @@ export function useStreamUrl(
   return useQuery({
     queryKey: ["stream-url", channelId, slotId],
     queryFn: async (): Promise<string | null> => {
-      const params = new URLSearchParams({ token: token! });
+      const params = new URLSearchParams();
+      if (token) params.set("token", token);
       const res = await fetch(`/api/stream/${channelId}?${params}`, {
         cache: "no-store",
       });
@@ -115,7 +116,7 @@ export function useStreamUrl(
       const { url } = await res.json();
       return url as string;
     },
-    enabled: !!channelId && !!token && !!slotId,
+    enabled: !!channelId && !!slotId,
     staleTime: Infinity,
     retry: false,
   });