refactor(atomic): migrate atomic-insight-search-box to Lit#6881

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copilot/migrate-atomic-insight-search-box

Commits on Jan 2, 2026

Initial plan
Copilot
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Step 1 complete: Migrate atomic-insight-search-box component from Stencil to Lit

Copilot
and
alexprudhomme
committed
Step 2 progress: Add unit tests and fixtures for atomic-insight-search-box

Copilot
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alexprudhomme
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