AiPinnedForecastView still owns the city-card data assembly, but its header, decision band, and AI evidence rendering now live in focused presentational sections. This keeps the next decision-state refactor smaller while preserving the current UI and interaction behavior.
Constraint: Keep weather, market, and AI evidence calculations unchanged in this pass.
Rejected: Move business-state construction at the same time | mixing behavior extraction with view extraction would make regressions harder to isolate.
Confidence: high
Scope-risk: moderate
Reversibility: clean
Tested: npm run build
Not-tested: Browser manual regression on mobile expand/collapse states.
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