Sicherhaven 9dcd5bae16 perf: fix scroll lag on profile/contribute, unpin calendar gradient ...

profile_screen: SingleChildScrollView + Column eagerly built every event
card (all images, shadows, tiles) at once even when off-screen. Replaced
with CustomScrollView + SliverList so only visible tiles are built per
frame. Also switches to BouncingScrollPhysics for natural momentum.

contribute_screen: Each _formCard wrapped in RepaintBoundary so form
cards are isolated render layers — one card's repaint doesn't invalidate
its siblings. Added BouncingScrollPhysics to the form SingleChildScrollView.

calendar_screen: Blue gradient banner was Positioned(top:0) making it
sticky even as the user scrolled. Removed the fixed Positioned layer and
moved the gradient inside the CustomScrollView as the first sliver in a
Stack alongside the calendar card (which keeps its y=110 visual overlap).
Now the entire page — gradient, calendar, events — scrolls as one unit.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-03-18 17:16:38 +05:30

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