[Tracking] benchmark CLI - feature roadmap for enhancements

[WangzJi]

The seata-benchmark-cli module has been merged with basic AT/TCC/SAGA support. This tracking issue lists the planned enhancements.

P0

• feature: benchmark CLI - implement TCC mode with real try/confirm/cancel and --branches support #8009 implement TCC mode with real try/confirm/cancel and --branches support
• feature: benchmark CLI - add XA mode support #8010 add XA mode executor
• [Benchmark] Add annotation-based Saga (SAGA_ANNOTATION) mode to benchmark CLI #8040 Add SAGA_ANNOTATION mode to benchmark CLI

P1

• feature: benchmark CLI - add P99.9 latency percentile #8011 add P99.9 latency percentile
• [Benchmark] Enhance traditional Saga benchmark with a more realistic state-machine workload #8039 Saga (state-machine) real-mode enhancements

Future (pending community discussion)

• JSON export (--export-json)
• Transaction status breakdown in metrics (Committed/Rollbacked/Compensated counts)
• Final report with mode/config context
• Avg/Min latency in progress output and final report
• Unit tests for core components
• Graceful shutdown (Ctrl+C outputs final report)
• Sliding window TPS calculation
• Progress percentage and ETA display
• YAML config loading fix and --config CLI parameter