auth-wechat-miniprogram

1## Sibling skills (local only)
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3Sibling CloudBase skills ship beside this skill. Use local relative paths such as `../auth-tool-cloudbase/SKILL.md`.
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5If 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.
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7## Activation Contract
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9### Use this first when
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11- The task is about WeChat Mini Program auth behavior, `wx.cloud` identity, `OPENID` / `UNIONID`, or how a mini program caller is identified in CloudBase.
12- The project is a CloudBase mini program and the auth question is about native mini program identity rather than provider configuration.
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14### Read before writing code if
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16- The request mentions mini program login, user identity in cloud functions, or `wx.cloud` auth assumptions.
17- 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.
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19### Then also read
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21- Mini program project implementation -> `../miniprogram-development/SKILL.md`
22- Cloud function implementation -> `../cloud-functions/SKILL.md`
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24### Do NOT use for
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26- Web-based WeChat login or Web auth UI.
27- Provider enable/disable or auth console setup.
28- Generic Node-side auth flows outside mini program identity handling.
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30### Common mistakes / gotchas
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32- Generating a Web-style login page for a `wx.cloud` mini program.
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