初始化提交：contentm_agent 工作区全量快照

内容分四块：
1、产品规划产出 —— MCN 短视频整合营销工作台的①段五份（1a 需求／1b 竞品／1c 画像／1d 策略／1e 场景）、②段两份（2a 功能／2b 布局）、③段界面（DESIGN.md 契约与令牌表 ＋ mcn-workbench.html 原型 ＋ 实测/会诊/审查三份 ＋ 23 张闸门截图）。
2、开源竞品调研 —— 5 个内容工作台项目的取证原始件与 1b 系列分析文档。
3、参考资料 —— 竞品视频抽帧 1145 张 ＋ 2 个源视频 ＋ 功能点截图。
4、机制侧 —— 协作脚本与状态台账、工作区记忆日志、抽帧/OCR 脚本。

.gitignore 只排运行时日志、脚本备份副本与一次性探针输出，其余按原样入库。

执行会话/目标-调研5个开源内容工作台项目并生成分析文档-5199a6/取证/wendao/wen_org.json

@@ -0,0 +1,35 @@
+{
+ "login": "wendaoai",
+ "id": 330217300,
+ "node_id": "O_kgDOE663VA",
+ "avatar_url": "https://avatars.githubusercontent.com/u/330217300?v=4",
+ "gravatar_id": "",
+ "url": "https://api.github.com/users/wendaoai",
+ "html_url": "https://github.com/wendaoai",
+ "followers_url": "https://api.github.com/users/wendaoai/followers",
+ "following_url": "https://api.github.com/users/wendaoai/following{/other_user}",
+ "gists_url": "https://api.github.com/users/wendaoai/gists{/gist_id}",
+ "starred_url": "https://api.github.com/users/wendaoai/starred{/owner}{/repo}",
+ "subscriptions_url": "https://api.github.com/users/wendaoai/subscriptions",
+ "organizations_url": "https://api.github.com/users/wendaoai/orgs",
+ "repos_url": "https://api.github.com/users/wendaoai/repos",
+ "events_url": "https://api.github.com/users/wendaoai/events{/privacy}",
+ "received_events_url": "https://api.github.com/users/wendaoai/received_events",
+ "type": "Organization",
+ "user_view_type": "public",
+ "site_admin": false,
+ "name": null,
+ "company": null,
+ "blog": "",
+ "location": null,
+ "email": null,
+ "hireable": null,
+ "bio": null,
+ "twitter_username": null,
+ "public_repos": 1,
+ "public_gists": 0,
+ "followers": 0,
+ "following": 0,
+ "created_at": "2026-09-17T01:27:32Z",
+ "updated_at": "2026-09-17T01:27:32Z"
+}