AiPinnedForecastView had become a mini application that owned list state, card shell, freshness, market, AI evidence, and model evidence rendering in one place. This split keeps the workspace wrapper thin and gives the decision card explicit product-component seams for future recommendation reasons, risk levels, and mobile-specific layout work.
Constraint: Preserve existing weather, market, AI read, chart, refresh, remove, collapse, and mobile behavior.
Rejected: Rewrite the decision-state construction in the same pass | this component split should stay behavior-preserving before a state-model refactor.
Confidence: high
Scope-risk: moderate
Reversibility: clean
Tested: npm run build
Not-tested: Browser visual regression on physical mobile devices.
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