fix(dashboard): compact review command controls

[kantorcodes]

Summary

• Replace oversized review command controls with compact shared header buttons
• Add a small Hide/Show toggle for stopped command evidence
• Cap command evidence height and keep packaged static dashboard assets in sync

Verification

• pnpm --dir dashboard build
• pnpm --dir dashboard exec tsc --noEmit
• git diff --check
• Browser demo at http://127.0.0.1:4174/inbox?demo=1: desktop Copy 85x28, Hide 79x28; mobile icon buttons 32x28; Hide removes command body and Show restores it

[gemini-code-assist]

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