- Run all local engines in parallel using goroutines + sync.WaitGroup - Individual engine failures are captured as unresponsive_engines entries instead of aborting the entire search request - Context cancellation is respected: cancelled engines report as unresponsive - Upstream proxy failure is also gracefully handled (single unresponsive entry) - Extract unresponsiveResponse() and emptyResponse() helpers for consistency - Add comprehensive tests: - ConcurrentEngines: verifies parallelism (2x100ms engines complete in ~100ms) - GracefulDegradation: one engine fails, one succeeds, both represented - AllEnginesFail: no error returned, all engines in unresponsive_engines - ContextCancellation: engine respects context timeout, reports unresponsive |
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| .. | ||
| config | ||
| contracts | ||
| engines | ||
| httpapi | ||
| search | ||
| upstream | ||