feat: 类型帖互动、积分经济与发帖体验

补齐问答采纳/重开、投票匿名与有票禁编、悬赏过期退回、抽奖回帖开奖，并接入积分账本与发帖附件可见性。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/app/post/[id]/edit/EditPostClient.tsx

@@ -0,0 +1,56 @@
+"use client";
+
+import PostComposer from "@/components/PostComposer";
+import type { PostAttachment } from "@/lib/api";
+
+type Props = {
+  postId: number;
+  initialTitle: string;
+  initialContent: string;
+  initialTags: string;
+  initialPostType?: string;
+  initialContentAccess?: string;
+  initialAccessPoints?: number;
+  initialTypeMeta?: string;
+  initialAttachments?: PostAttachment[];
+  canEditPollOptions?: boolean;
+  boardName: string;
+  boardId: number;
+  boardColorIndex?: number;
+};
+
+export default function EditPostClient({
+  postId,
+  initialTitle,
+  initialContent,
+  initialTags,
+  initialPostType,
+  initialContentAccess,
+  initialAccessPoints,
+  initialTypeMeta,
+  initialAttachments,
+  canEditPollOptions,
+  boardName,
+  boardId,
+  boardColorIndex = 0,
+}: Props) {
+  return (
+    <PostComposer
+      mode="edit"
+      postId={postId}
+      initialTitle={initialTitle}
+      initialContent={initialContent}
+      initialTags={initialTags}
+      initialPostType={initialPostType}
+      initialContentAccess={initialContentAccess}
+      initialAccessPoints={initialAccessPoints}
+      initialTypeMeta={initialTypeMeta}
+      initialAttachments={initialAttachments}
+      canEditPollOptions={canEditPollOptions}
+      boardName={boardName}
+      boardId={boardId}
+      boardColorIndex={boardColorIndex}
+      cancelHref={`/post/${postId}`}
+    />
+  );
+}