🛡️ Sentry: Resolve clippy lints and add retry_after_secs test

[madmax983]

🎯 Target: src/run/swebench.rs, src/stream/sweep_webhook.rs, and src/error.rs.
💣 Risk: Resolves multiple clippy lint failures preventing clean builds and improves parsing code test coverage.
🧪 Strategy: Refactored loops, updated match arms for explicit typing, replaced map-unwrap-or chains, and added a specific unit test for retry_after_secs.
🔬 Verification: cargo test --lib error::tests and cargo clippy --all-targets --all-features.

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PR created automatically by Jules for task 10287712552519457780 started by @madmax983

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[gemini-code-assist]

Code Review

This pull request refactors several Rust files to improve code idiomaticity and error handling. Specifically, it replaces .unwrap_or("") with .unwrap_or_default() in src/error.rs and adds a corresponding unit test, simplifies a socket-reading loop in src/run/swebench.rs using while let, and refactors test helpers in src/stream/sweep_webhook.rs to use explicit timeout error matching and map_or. There are no review comments, and I have no additional feedback to provide.

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[codecov]

Codecov Report

❌ Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.26%. Comparing base (9aa2ad9) to head (8c0d833).
⚠️ Report is 1 commits behind head on trunk.

Files with missing lines	Patch %	Lines
src/stream/sweep_webhook.rs	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            trunk     #610      +/-   ##
==========================================
+ Coverage   85.19%   85.26%   +0.07%     
==========================================
  Files         114      115       +1     
  Lines       65408    65858     +450     
==========================================
+ Hits        55725    56156     +431     
- Misses       9683     9702      +19     

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