feat(config): enhance scratchpad toggles, add workspace rules, adjust opacity and font size

dot_config/hypr/input.lua

@@ -83,7 +83,23 @@ hl.config({
 -- Device names come from `hyprctl devices` (the "Tablet" entry, not "Tablet Pad").
 
 -- Built-in digitizer of the Flow Z13: it physically *is* the laptop panel.
+-- Pen and finger are separate devices; the finger one is the "Touch" entry.
 hl.device({ name = "elan9008:00-04f3:43c7-stylus", output = "eDP-1" })
+-- Unbound, Hyprland maps a touch onto whichever monitor is *focused*
+-- (onTouchDown falls back to the focused monitor when the device has no
+-- output), so a tap on the panel landed on the Studio Display. Bound, the tap
+-- focuses eDP-1 and then the window under the finger.
+hl.device({ name = "elan9008:00-04f3:43c7", output = "eDP-1" })
+--
+-- Palm rejection while writing is libinput's job, not Hyprland's: with the
+-- pen in proximity it drops touches on the paired touchscreen (same
+-- LIBINPUT_DEVICE_GROUP) -- *all* of them only if the pen reports no tilt;
+-- with tilt it drops just a 200x250mm rectangle whose side is guessed from
+-- the tilt sign, and this pen reports ABS_TILT_X/Y, so a resting palm kept
+-- landing as taps and scrolls. /etc/libinput/local-overrides.quirks (not
+-- chezmoi-managed; the Flow Z13 stylus section) strips the tilt axes, which
+-- flips arbitration to ignore-all. Cost: no tilt in drawing apps. The 90ms
+-- re-enable after the pen leaves proximity is hard-coded in libinput.
 
 -- Wacom Intuos BT S: pinned to the Studio Display, matched on EDID description
 -- so it survives a different DP connector after re-docking. With that display