SnowCat 雪猫底层全源码：NapCat 4.18.28 底座 + SnowLuma 能力移植 + V8 通道适配 9.9.37

26 包 monorepo（TS 全源码）：
- snowcat-core: NT 内核 API 封装 + listener（含 9.9.37 六回调适配）+ Packet 发包
- snowcat-onebot: OneBot v11 全动作 + MCP Streamable HTTP 适配器 + 稳定线
- snowcat-webui-frontend/backend: 雪猫控制台（React+HeroUI）
- snowcat-shell: 单文件 bundle 出口（vite inlineDynamicImports）
- snowcat-native: napi2native / MoeHoo / ffmpeg / pty 运行时
- 56 项 SnowLuma 独门动作移植（qzone 全家桶/群相册/装扮/闪照/收藏）
- 工具件: 解包器/启动器/便携制作器/doctor

GitHub 关联已全量指向 DandanLLab/SnowCatQQ

packages/snowcat-onebot/action/extends/ShareContact.ts

@@ -0,0 +1,79 @@
+import { OneBotAction } from '@/snowcat-onebot/action/OneBotAction';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { Static, Type } from '@sinclair/typebox';
+
+const PayloadSchema = Type.Object({
+  user_id: Type.Optional(Type.String({ description: 'QQ号' })),
+  group_id: Type.Optional(Type.String({ description: '群号' })),
+  phone_number: Type.String({ default: '', description: '手机号' }),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = Type.Any({ description: '分享结果' });
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+export class SharePeerBase extends OneBotAction<PayloadType, ReturnType> {
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionSummary = '分享用户 (Ark)';
+  override actionDescription = '获取用户推荐的 Ark 内容';
+  override actionTags = ['消息扩展'];
+  override payloadExample = {
+    user_id: '123456',
+    phone_number: '',
+  };
+
+  override returnExample = {
+    ark: '...',
+  };
+
+  async _handle (payload: PayloadType) {
+    if (payload.group_id) {
+      return await this.core.apis.GroupApi.getGroupRecommendContactArkJson(payload.group_id.toString());
+    } else if (payload.user_id) {
+      return await this.core.apis.UserApi.getBuddyRecommendContactArkJson(payload.user_id.toString(), payload.phone_number);
+    }
+    throw new Error('group_id or user_id is required');
+  }
+}
+
+const PayloadSchemaGroupEx = Type.Object({
+  group_id: Type.String({ description: '群号' }),
+});
+export class SharePeer extends SharePeerBase {
+  override actionName = ActionName.SharePeer;
+}
+type PayloadTypeGroupEx = Static<typeof PayloadSchemaGroupEx>;
+
+const ReturnSchemaGroupEx = Type.String({ description: 'Ark Json内容' });
+
+type ReturnTypeGroupEx = Static<typeof ReturnSchemaGroupEx>;
+
+export class ShareGroupExBase extends OneBotAction<PayloadTypeGroupEx, ReturnTypeGroupEx> {
+  override payloadSchema = PayloadSchemaGroupEx;
+  override returnSchema = ReturnSchemaGroupEx;
+  override actionSummary = '分享群 (Ark)';
+  override actionDescription = '获取群分享的 Ark 内容';
+  override actionTags = ['消息扩展'];
+  override payloadExample = {
+    group_id: '123456',
+  };
+
+  override returnExample = '{"app": "com.tencent.structmsg", ...}';
+
+  async _handle (payload: PayloadTypeGroupEx) {
+    return await this.core.apis.GroupApi.getArkJsonGroupShare(payload.group_id.toString());
+  }
+}
+export class ShareGroupEx extends ShareGroupExBase {
+  override actionName = ActionName.ShareGroupEx;
+}
+export class SendGroupArkShare extends ShareGroupExBase {
+  override actionName = ActionName.SendGroupArkShare;
+}
+
+export class SendArkShare extends SharePeerBase {
+  override actionName = ActionName.SendArkShare;
+}