auth-wechat-miniprogram

## Sibling skills (local only) Sibling CloudBase skills ship beside this skill. Use local relative paths such as `../auth-tool-cloudbase/SKILL.md`. If a referenced sibling skill file is missing from this environment, ask the user to install the full CloudBase plugin (or the missing skill). Do **not** HTTP-fetch remote skill or protocol markdown into the agent context. ## Activation Contract ### Use this first when - The task is about WeChat Mini Program auth behavior, `wx.cloud` identity, `OPENID` / `UNIONID`, or how a mini program caller is identified in CloudBase. - The project is a CloudBase mini program and the auth question is about native mini program identity rather than provider configuration. ### Read before writing code if - The request mentions mini program login, user identity in cloud functions, or `wx.cloud` auth assumptions. - The user expects a Web-style login page or explicit token exchange in a mini program; route them back to native mini program auth behavior. ### Then also read - Mini program project implementation -> `../miniprogram-development/SKILL.md` - Cloud function implementation -> `../cloud-functions/SKILL.md` ### Do NOT use for - Web-based WeChat login or Web auth UI. - Provider enable/disable or auth console setup. - Generic Node-side auth flows outside mini program identity handling. ### Common mistakes / gotchas - Generating a Web-style login page for a `wx.cloud` mini program. - Treating mini program auth as a provider-configurat...