[Bug] Missing exponential backoff retry for Anthropic API rate limit errors

Bug Description
It's incredibly frustrating that Claude Code has no retry mechanism built in when receiving the rate limit error " API Error: Server is temporarily limiting requests (not your usage limit) · Rate limited".

Exponential-backoff retry is the standard solution to this. I shouldnt wake up in the morning and find that my agent has done nothing because it got a rate limit error. (And by the way it's not like I had a lot of agents running - I get Rate Limited errors often, so this is a real and frequent problem.)

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.1.153
• Feedback ID: 85e41230-50c3-46ef-acaa-9e59c334a29e

Errors

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