perf(client): defer chat persistence dependencies

src/lib/chat/chat_media_cache_client.ts

@@ -1,7 +1,7 @@
 "use client";
 
 import type { ChatMediaKind } from "@/data/dto/chat";
-import { getChatRepository } from "@/data/repositories/chat_repository";
+import { loadChatRepository } from "@/data/repositories/chat_repository_loader";
 import { Result, type Result as ResultT } from "@/utils/result";
 
 import { localChatMediaRowToBlob } from "./chat_media_blob";
@@ -19,7 +19,8 @@ export interface CacheRemoteChatMediaBlobInput
 export async function resolveCachedChatMediaBlob(
   input: ResolveCachedChatMediaBlobInput,
 ): Promise<ResultT<Blob | null>> {
-  const result = await getChatRepository().getCachedMedia(input);
+  const repository = await loadChatRepository();
+  const result = await repository.getCachedMedia(input);
   if (Result.isErr(result)) return result;
   if (!result.data) return Result.ok(null);
   return Result.ok(localChatMediaRowToBlob(result.data));
@@ -28,7 +29,8 @@ export async function resolveCachedChatMediaBlob(
 export async function cacheRemoteChatMediaBlob(
   input: CacheRemoteChatMediaBlobInput,
 ): Promise<ResultT<Blob>> {
-  const result = await getChatRepository().cacheRemoteMedia(input);
+  const repository = await loadChatRepository();
+  const result = await repository.cacheRemoteMedia(input);
   if (Result.isErr(result)) return result;
   const blob = localChatMediaRowToBlob(result.data);
   if (!blob) return Result.err(new Error("Cached media has no readable bytes."));

src/lib/chat/splash_latest_message.ts

@@ -1,4 +1,4 @@
-import { getChatRepository } from "@/data/repositories/chat_repository";
+import { loadChatRepository } from "@/data/repositories/chat_repository_loader";
 import {
   resolveChatCacheOwnerKey,
   type ChatCacheIdentityResolver,
@@ -44,7 +44,8 @@ export async function loadSplashLatestMessagePreview({
 export async function fetchSplashLatestMessagePreview(): Promise<
   ResultT<string | null>
 > {
-  const result = await getChatRepository().getHistory(1, 0);
+  const repository = await loadChatRepository();
+  const result = await repository.getHistory(1, 0);
   if (Result.isErr(result)) return Result.err(result.error);
 
   return Result.ok(getLatestSplashMessagePreview(result.data.messages));