使用 qwen 进行语音识别，加入 tag

Co-authored-by: Copilot <copilot@github.com>

lib/asr-tags.ts

@@ -0,0 +1,40 @@
+export const ASR_CONTENT_TAGS = [
+  "美女",
+  "游戏",
+  "时政",
+  "美食",
+  "旅行",
+  "体育",
+  "科技",
+  "教育",
+  "宠物",
+  "音乐",
+  "影视",
+  "财经",
+  "生活",
+  "其他",
+] as const;
+
+export type AsrContentTag = (typeof ASR_CONTENT_TAGS)[number];
+
+const asrContentTagSet = new Set<string>(ASR_CONTENT_TAGS);
+
+export function isAsrContentTag(value: string): value is AsrContentTag {
+  return asrContentTagSet.has(value);
+}
+
+export function normalizeAsrContentTags(tags: unknown): AsrContentTag[] {
+  const rawTags = Array.isArray(tags)
+    ? tags
+    : typeof tags === "string"
+      ? tags.split(/[、,，\s]+/).filter(Boolean)
+      : [];
+
+  const normalized = rawTags.filter(
+    (tag): tag is AsrContentTag =>
+      typeof tag === "string" && isAsrContentTag(tag),
+  );
+
+  const uniqueTags = [...new Set(normalized)].slice(0, 3);
+  return uniqueTags.length > 0 ? uniqueTags : ["其他"];
+}