Add mcoplib mcoplib validation plan

[ghangz]

Summary

• Adds a focused mcoplib validation plan improvement for MetaX-MACA/mcoplib.
• The change targets MetaX MACA development and validation workflows, with emphasis on earlier diagnostics, reproducible logs, or safer benchmark tooling.
• Existing default behavior is kept compatible; the new logic is scoped to explicit checks, helper tools, or validation metadata.

Validation

• Verified on Gitee.AI MetaX GPU resources: mcoplib_McFlashInfer_TileLang_20260701, mcoplib and McFlashInfer batch 18/18 PASS.
• Branch validation command: python tools/validation_plan.py --self-test
• Pull request text is intentionally ASCII-only to avoid encoding issues on web forms and API clients.

Review notes

• Source branch: ghangz:mengz/mcoplib-validation-plan
• Target branch: MetaX-MACA/mcoplib:main
• Maintainers can modify this branch if follow-up adjustments are needed.

[gemini-code-assist]

Warning

You have reached your daily quota limit. Please wait up to 24 hours and I will start processing your requests again!