chore: error handling

[ratankaliani]

Anyhow errors from the server are hard to debug. Emit explicit error logs.

Remove outdated comments.

Extend the busy timeout to 30s on requests, and decrease the refresh interval.

[github-actions]

Metric	Value
Batch Start	21,165,930
Batch End	21,165,935
Witness Generation (seconds)	68
Execution Duration (seconds)	64
Total Instruction Count	1,470,321,953
Oracle Verify Cycles	354,578,634
Derivation Cycles	682,720,850
Block Execution Cycles	316,757,841
Blob Verification Cycles	151,770,721
Total SP1 Gas	1,729,304,762
Number of Blocks	6
Number of Transactions	55
Ethereum Gas Used	23,421,521
Cycles per Block	245,053,658
Cycles per Transaction	26,733,126
Transactions per Block	9
Gas Used per Block	3,903,586
Gas Used per Transaction	425,845
BN Pair Cycles	0
BN Add Cycles	0
BN Mul Cycles	0
KZG Eval Cycles	0
EC Recover Cycles	541,792