add moi evalops initial plan

[guolvlin-cn]

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Change

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• Explicit non-goals:

Benchmark impact

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• Fairness, privacy, security, or licensing impact:

Verification

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Checklist

• The change is linked to an Issue with observable acceptance criteria.
• Systems, models, datasets, configs and evaluators are pinned where relevant.
• No credentials, private source data or unapproved raw traces are committed.
• New or changed metrics include denominator and failure-handling rules.
• docs/status.md, ROADMAP.md, ADR or progress log is updated when the project state changed.
• Reported numbers trace back to immutable run records.