auth-nodejs-cloudbase

## 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 - Node.js code in cloud functions or backend services must read caller identity, look up users, or issue custom login tickets. - The backend responsibility is auth / identity, not provider setup or frontend login UI. ### Read before writing code if - The task mentions `@cloudbase/node-sdk`, server-side auth, custom login tickets, or "who is calling". - The request mixes frontend login with backend identity logic; split the flow and route client-side work elsewhere. ### Then also read - Provider setup / publishable key -> `../auth-tool-cloudbase/SKILL.md` - Web login UI that consumes custom tickets -> `../auth-web-cloudbase/SKILL.md` - Raw HTTP auth client -> `../http-api-cloudbase/SKILL.md` ### Do NOT use for - Provider enable/disable or login console configuration. - Frontend login / sign-up UI. - Mini program native auth. ### Common mistakes / gotchas - Using this skill as the entry point for every auth request. - Mixing provider-management work with Node-side identity code. - Reaching for raw HTTP examples when Node SDK already covers the job. ## Wh...