Center the toggle-dock icons in their circular…

Details

The theme toggle used Unicode sun/moon text glyphs, which sit on the text
baseline and render visibly off-center in the round button. Replace them
with geometrically centered line-art SVG icons (matching the grid/cloud
style), swapped via innerHTML in theme-toggle.ts for both the v2 and v1
(default) layouts.
Also nudge the weather cloud up 1.5 units so its rain drops stop pulling
the composition below center.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NyxwQRZRNgsrhdBYVQvqNg

Files changed (3)