Refactor review skill to be a judge that runs benchmarks and returns structured reports instead of recording results

[preinlein]

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[preinlein]

• Update skills README with new command names, workflow diagram, and tracking description #1772
• Align validate, rescue, submit, and preflight skills to the new hunt/review responsibility split #1771
• Refactor hunt skill to be coordinator and sole recorder, restructure db entries to match review template schema #1770
• Refactor review skill to be a judge that runs benchmarks and returns structured reports instead of recording results #1769 👈 (View in Graphite)
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