Anthropic API 529 Overloaded Error with Exponential Backoff Retry

Bug Description
API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 1/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 2/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 2 seconds… (attempt 3/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 5 seconds… (attempt 4/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 10 seconds… (attempt 5/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 18 seconds… (attempt 6/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 32 seconds… (attempt 7/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 39 seconds… (attempt 8/10)

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 1.0.57
• Feedback ID: 05d94680-528d-458d-94b2-3ec0b62a2e61

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at D7 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:841:5854)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:753:48942\n    at Q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:653:14408)\n    at $W (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:753:46653)\n    at rK (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:753:45519)\n    at dB (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:753:51568)","timestamp":"2025-07-22T18:10:58.797Z"},{"error":"Error: ENOENT: no such file or directory, open '/proc/version'\n    at Module.readFileSync (node:fs:442:20)\n    at Object.readFileSync (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:659:7096)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:659:8658\n    at Q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:653:14408)\n    at __4 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:753:63371)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-22T18:11:01.769Z"}]