Sibling skills (local only) Sibling CloudBase skills ship beside this skill. Use local relative paths such as . 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, identity, / , 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…