refactor(errors): migrate decisions to {code,msg}

lib/api/chat.ts

@@ -1,4 +1,4 @@
-import { allow, deny } from "@/lib/policy/assert"
+import { allow, deny } from "@/lib/decision"
 import { useAuthStore } from "@/store/auth"
 import { useChatStore } from "@/store/chat"
 
@@ -16,18 +16,18 @@ export function listChatMessages(sessionId: string) {
 
 export function sendTextMessage(sessionId: string, content: string) {
   const userId = useAuthStore.getState().user?.id
-  if (!userId) return deny("AUTH_REQUIRED", "请先登录")
+  if (!userId) return deny(401, "请先登录")
 
   const chatState = useChatStore.getState()
   const session = chatState.sessions.find((item) => item.id === sessionId)
-  if (!session) return deny("NOT_FOUND", "会话不存在")
-  if (session.readonly) return deny("INVALID_STATUS", "当前会话只读")
+  if (!session) return deny(404, "会话不存在")
+  if (session.readonly) return deny(400, "当前会话只读")
   if (!session.participants.some((participant) => participant.id === userId)) {
-    return deny("NOT_PARTICIPANT", "仅会话参与方可发送消息")
+    return deny(403, "仅会话参与方可发送消息")
   }
 
   if (!content.trim()) {
-    return deny("VALIDATION_FAILED", "消息不能为空")
+    return deny(400, "消息不能为空")
   }
 
   chatState.sendTextMessage(sessionId, userId, content)
@@ -36,18 +36,18 @@ export function sendTextMessage(sessionId: string, content: string) {
 
 export function sendImageMessage(sessionId: string, imageUrl: string) {
   const userId = useAuthStore.getState().user?.id
-  if (!userId) return deny("AUTH_REQUIRED", "请先登录")
+  if (!userId) return deny(401, "请先登录")
 
   const chatState = useChatStore.getState()
   const session = chatState.sessions.find((item) => item.id === sessionId)
-  if (!session) return deny("NOT_FOUND", "会话不存在")
-  if (session.readonly) return deny("INVALID_STATUS", "当前会话只读")
+  if (!session) return deny(404, "会话不存在")
+  if (session.readonly) return deny(400, "当前会话只读")
   if (!session.participants.some((participant) => participant.id === userId)) {
-    return deny("NOT_PARTICIPANT", "仅会话参与方可发送消息")
+    return deny(403, "仅会话参与方可发送消息")
   }
 
   if (!imageUrl.trim()) {
-    return deny("VALIDATION_FAILED", "图片地址无效")
+    return deny(400, "图片地址无效")
   }
 
   chatState.sendImageMessage(sessionId, userId, imageUrl)