fix(chat): make cached media load on safari

src/lib/chat/chat_media_cache_client.ts

@@ -4,6 +4,8 @@ import type { ChatMediaKind } from "@/data/dto/chat";
 import { getChatRepository } from "@/data/repositories/chat_repository";
 import { Result, type Result as ResultT } from "@/utils";
 
+import { localChatMediaRowToBlob } from "./chat_media_blob";
+
 export interface ResolveCachedChatMediaBlobInput {
   messageId: string;
   kind: ChatMediaKind;
@@ -19,7 +21,8 @@ export async function resolveCachedChatMediaBlob(
 ): Promise<ResultT<Blob | null>> {
   const result = await getChatRepository().getCachedMedia(input);
   if (Result.isErr(result)) return result;
-  return Result.ok(result.data?.blob ?? null);
+  if (!result.data) return Result.ok(null);
+  return Result.ok(localChatMediaRowToBlob(result.data));
 }
 
 export async function cacheRemoteChatMediaBlob(
@@ -27,5 +30,7 @@ export async function cacheRemoteChatMediaBlob(
 ): Promise<ResultT<Blob>> {
   const result = await getChatRepository().cacheRemoteMedia(input);
   if (Result.isErr(result)) return result;
-  return Result.ok(result.data.blob);
+  const blob = localChatMediaRowToBlob(result.data);
+  if (!blob) return Result.err(new Error("Cached media has no readable bytes."));
+  return Result.ok(blob);
 }