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…n router

  • Replace JSON deserialization unwrap with match expression and fallback to original patch on error
  • Replace MIME parsing unwrap with unwrap_or_else and fallback to application/octet-stream
  • Add tracing logs for error cases to aid debugging

This prevents production crashes on edge cases while maintaining graceful degradation.

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Summary of Changes

Hello @jmanhype, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the application's resilience by replacing several unwrap() calls in the router with robust error handling mechanisms. These changes prevent potential crashes due to malformed input or unexpected data, ensuring that the application can gracefully degrade and continue operating even when encountering edge cases. The introduction of detailed logging for these error paths also improves observability and simplifies future debugging efforts.

Highlights

  • Robust Error Handling for JSON Deserialization: Replaced a panic-prone .unwrap() call during JSON patch deserialization with a match expression, allowing for graceful error handling and fallback to the original patch value if deserialization fails.
  • Improved MIME Type Parsing: Switched from .unwrap() to .unwrap_or_else() for MIME type header value creation, ensuring that invalid MIME types are handled by falling back to application/octet-stream instead of crashing.
  • Enhanced Debugging with Tracing Logs: Added tracing::error! and tracing::warn! logs for error and fallback scenarios, providing better visibility and aiding in debugging potential issues in production.
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Code Review

This pull request improves robustness by replacing several .unwrap() calls with proper error handling, preventing potential panics. The change to handle MIME type parsing errors is well-implemented. However, the error handling for JSON patch deserialization introduces a logic flaw: on failure, it falls back to sending an unfiltered patch, which defeats the purpose of the filtering and could leak data intended to be hidden. I've left a comment with a suggestion to fix this.

Comment on lines 774 to 777
Err(e) => {
tracing::error!("Failed to deserialize filtered JSON patch: {}", e);
return Some(Ok(LogMsg::JsonPatch(patch)));
}
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high

Replacing .unwrap() is a great improvement for robustness. However, the new error handling for JSON patch deserialization introduces a logic flaw. In the Err arm, you fall back to returning the original, unfiltered patch. This defeats the purpose of the filtering logic in this block and will leak agent task data to the client, which is supposed to be hidden.

While the PR description mentions this as a fallback, it's a correctness issue. It would be safer to drop the message entirely if the filtered patch cannot be correctly created. You can achieve this by returning None from the filter_map closure.

                                            Err(e) => {
                                                tracing::error!("Failed to deserialize filtered JSON patch: {}", e);
                                                // Returning the original unfiltered patch would leak agent tasks to the client.
                                                // It's safer to drop this update if filtering fails.
                                                return None;
                                            }

…n router

- Replace JSON deserialization unwrap with match expression and fallback to original patch on error
- Replace MIME parsing unwrap with unwrap_or_else and fallback to application/octet-stream
- Add tracing logs for error cases to aid debugging

This prevents production crashes on edge cases while maintaining graceful degradation.

Co-authored-by: Automagik Genie 🧞 <genie@namastex.ai>
@jmanhype jmanhype force-pushed the claude/fix-unwrap-error-handling-01EMmuRUvbYXAZX78VbZWBBQ branch from 6b63787 to 933caf3 Compare November 28, 2025 14:30
@namastex888
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@codex review this pr

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Codex Review: Didn't find any major issues. Another round soon, please!

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@jmanhype
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@codex review this pr

@chatgpt-codex-connector
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Codex Review: Didn't find any major issues. Hooray!

ℹ️ About Codex in GitHub

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  • Mark a draft as ready
  • Comment "@codex review".

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3 participants