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- Mouse wheel zoom (centered on cursor position) - Click-drag to pan - Touch pinch-zoom for mobile - Touch drag to pan on mobile - Zoom controls: +, −, percentage display, reset (⌂) - Zoom range: 50% to 300% - Drag guard prevents accidental clicks after panning - Canvas connections redraw correctly at all zoom levels - Smooth CSS transitions on zoom, disabled during drag Chronicler #78 | firefrost-services