Add key discovery, leaderboard and global search endpoints - #991

Process completed with exit code 1.

'req' is defined but never used. Allowed unused args must match /^_/u

'ErrorCode' is defined but never used. Allowed unused vars must match /^_/u

'snapshots' is assigned a value but never used. Allowed unused elements of array destructuring must match /^_/u

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4, pnpm/action-setup@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/