feat(characters): support character-scoped conversations

src/stores/chat/machine/actors/unlock.ts

@@ -1,7 +1,7 @@
 import { fromPromise } from "xstate";
 
 import { loadChatRepository } from "@/data/repositories/chat_repository_loader";
-import { resolveChatCacheOwnerKey } from "@/data/repositories/chat_cache_identity";
+import { resolveChatConversationKey } from "@/data/repositories/chat_cache_identity";
 import { Logger } from "@/utils/logger";
 import { Result } from "@/utils/result";
 
@@ -22,9 +22,12 @@ export interface UnlockHistoryOutput {
   messages: UiMessage[];
 }
 
-export const unlockHistoryActor = fromPromise<UnlockHistoryOutput>(async () => {
+export const unlockHistoryActor = fromPromise<
+  UnlockHistoryOutput,
+  { characterId: string }
+>(async ({ input }) => {
   const chatRepo = await loadChatRepository();
-  const unlockResult = await chatRepo.unlockHistory();
+  const unlockResult = await chatRepo.unlockHistory(input.characterId);
   if (Result.isErr(unlockResult)) {
     log.error("[chat-machine] unlockHistoryActor failed", {
       error: unlockResult.error,
@@ -32,7 +35,7 @@ export const unlockHistoryActor = fromPromise<UnlockHistoryOutput>(async () => {
     throw unlockResult.error;
   }
 
-  const history = await readAndSyncHistory();
+  const history = await readAndSyncHistory(input.characterId);
   return {
     unlocked: unlockResult.data.unlocked,
     reason: unlockResult.data.reason,
@@ -43,11 +46,14 @@ export const unlockHistoryActor = fromPromise<UnlockHistoryOutput>(async () => {
 
 export const unlockMessageActor = fromPromise<
   UnlockMessageOutput,
-  UnlockMessageRequest
+  UnlockMessageRequest & { characterId: string }
 >(async ({ input }) => {
   const chatRepo = await loadChatRepository();
-  const cacheIdentityResult = await resolveChatCacheOwnerKey();
+  const cacheIdentityResult = await resolveChatConversationKey(
+    input.characterId,
+  );
   const unlockResult = await chatRepo.unlockPrivateMessage({
+    characterId: input.characterId,
     ...(input.messageId ? { messageId: input.messageId } : {}),
     ...(input.lockType ? { lockType: input.lockType } : {}),
     ...(input.clientLockId ? { clientLockId: input.clientLockId } : {}),