fix: remove auto-exit timer and smooth cursor tracking

Remove the 10-second display timer so the overlay runs until toggled
off. Shrink the cursor input hole from 512px to 48px for near-pixel-
perfect tracking instead of chunky jumps.

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.1.1 (2026-04-07)
+
+### Bug Fixes
+
+- Remove 10-second auto-exit timer; overlay now runs until toggled off
+- Smooth cursor tracking by reducing input hole from 512px to 48px
+
 ## 0.1.0 (2026-04-07)
 
 Initial release.