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Description
Difficulty: ⭐⭐⭐ (Medium)
Dependencies: Issue #10
Component: Service Discovery
Description: Implement parallel scanning of multiple namespaces to significantly improve performance when scanning large clusters with many namespaces. Use Go concurrency patterns with goroutines and channels to scan namespaces in parallel while respecting cluster API rate limits, add configurable concurrency limits to prevent overwhelming clusters or violating rate limits, and implement real-time progress reporting that shows which namespaces are being scanned and how many services have been discovered. Add support for graceful scan cancellation that allows users to interrupt long-running scans without data corruption, implement comprehensive scan result caching with TTL to avoid rescanning unchanged namespaces, and collect detailed scan performance metrics including time per namespace, errors encountered, and resources discovered. Include error recovery that continues scanning other namespaces when one fails, and add scan resumption capability to continue from where a cancelled scan left off.
Acceptance Criteria:
- Implement concurrent namespace scanning
- Add configurable concurrency limits
- Support progress reporting for long scans
- Add scan cancellation support
- Implement scan result caching
- Add scan performance metrics
Why Now: Optimizes the scanning functionality established in Issue #10.