feat(mapgen-studio): pin docks between header and footer with bottom constraint, pointer-events pass-through, and LAYOUT geometry update#1619
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refactor(studio): decompose App.tsx non-React corpus into feature modules and shared utilities
#1608
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…der, full-height column OpenSpec mapgen-studio-layout-geometry. LAYOUT constants become the geometry authority (PANEL_WIDTH 340, EXPLORE 260 corrected, HEADER_HEIGHT now an initial estimate); AppHeader drops the stale minHeight:104 reserve (ResizeObserver stays authoritative — dead band gone, docks rise to y≈72); docks pin header→footer (pointer-events pass-through below short panels); RecipePanel max-h-full + sticky scroll-edge fade; ExplorePanel max-h-full + internal scroll. Verified: tsc, 141 tests, DOM measurements + dark screenshot on :5173. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The left and right docks are now pinned between the measured header and the footer bar using a
bottomconstraint (FOOTER_HEIGHT + 2×SPACING), so panels can no longer underlap the footer on short viewports. Both docks carrypointer-events-noneand span the full header→footer column; panels restorepointer-events-autoon themselves so map interactions pass through any empty dock space.Panel widths are now driven exclusively by
LAYOUTconstants (PANEL_WIDTH340px,EXPLORE_PANEL_WIDTH260px) via inline styles, replacing the previous hardcoded arbitrary-value Tailwind width classes. Height is capped withmax-h-fullagainst the dock column rather than the oldmax-h-[calc(100vh-180px)]magic value.The
RecipePanelscroll body gains a sticky bottom gradient fade (from-popover,h-6,pointer-events-none, negative top margin) so the "more content below" affordance is always visible mid-scroll without any scroll-position JavaScript. The form wrapper carries matchingpb-6so the fade overlays only padding at full scroll, never the last field row.HEADER_HEIGHTinlayout.tsis updated to 48 and re-documented as an initial paint estimate only — theResizeObserverinAppHeaderremains the measurement authority. TheminHeightreserve previously applied to the header element is removed, as is the re-exportedHEADER_HEIGHTconstant fromAppHeader.tsx.