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

lib/api/comments.ts

@@ -1,5 +1,5 @@
 import { addNotification } from "@/lib/api/notifications"
-import { allow, deny } from "@/lib/policy/assert"
+import { allow, deny } from "@/lib/decision"
 import { useAuthStore } from "@/store/auth"
 import { useCommentStore } from "@/store/comments"
 import { usePostStore } from "@/store/posts"
@@ -15,17 +15,17 @@ export function listCommentsByPost(postId: string) {
 export function addComment(postId: string, content: string) {
   const user = useAuthStore.getState().user
   if (!user) {
-    return deny("AUTH_REQUIRED", "请先登录")
+    return deny(401, "请先登录")
   }
 
   const post = usePostStore.getState().posts.find((item) => item.id === postId)
   if (!post) {
-    return deny("NOT_FOUND", "帖子不存在")
+    return deny(404, "帖子不存在")
   }
 
   const comment = useCommentStore.getState().addComment(postId, user, content)
   if (!comment) {
-    return deny("VALIDATION_FAILED", "评论内容不能为空")
+    return deny(400, "评论内容不能为空")
   }
 
   usePostStore.getState().incrementCommentCount(postId)
@@ -43,12 +43,12 @@ export function addComment(postId: string, content: string) {
 export function toggleCommentLike(commentId: string) {
   const user = useAuthStore.getState().user
   if (!user) {
-    return deny("AUTH_REQUIRED", "请先登录")
+    return deny(401, "请先登录")
   }
 
   const comment = useCommentStore.getState().comments.find((item) => item.id === commentId)
   if (!comment) {
-    return deny("NOT_FOUND", "评论不存在")
+    return deny(404, "评论不存在")
   }
 
   useCommentStore.getState().toggleCommentLike(commentId)