feat: display friendly error messages on API failure (closes #34)#53

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Ai-chan-0411 wants to merge 2 commits intoO2sa:mainfrom

Ai-chan-0411:feat/friendly-api-errors

Commits on Apr 11, 2026

feat: display friendly error messages on API failure (closes #34)

Ai-chan-0411
and
claude
committed
fix: show error only in compare-form, remove duplicate from result-dashboard
Ai-chan-0411
committed