Feat/148 adaptive polling intervals - #262

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. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'_tx' is defined but never used

'_tx' is defined but never used

'StateDiffResult' is defined but never used

'insertStateSnapshot' is defined but never used

'_key' is defined but never used

'_request' is defined but never used

'xdr' is defined but never used

'config' is defined but never used

'exitSpy' is assigned a value but never used