6461c58957
Two-part fix for charts going tiny on range changes (especially 3m) and staying broken after subsequent navigations: 1. dashboard_base.html: global htmx:beforeSwap handler destroys any Chart.js instances in the swap target before HTMX replaces the DOM. Without this, the old chart's ResizeObserver remains attached to the parent container and interferes with the newly created chart instance's dimension calculations. 2. All chart pages (positioning, supply, warehouse, weather): afterSwap handler now wraps chart resize in requestAnimationFrame, ensuring the browser has completed layout before Chart.js measures container dimensions. MA toggle state is also restored inside the rAF callback after resize. Root cause: chart init scripts run synchronously during innerHTML swap, before browser layout is complete. Fast server responses (e.g. 3m = small dataset) gave even less time for layout, making the timing issue reproducible. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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