chore(config): add workspace rules and tablet mapping, fix tldraw launch

dot_config/hypr/input.lua

@@ -55,3 +55,32 @@
 -- Enable touchpad gestures for moving focus (helpful on scrolling layout).
 -- hl.gesture({ fingers = 3, direction = "left", action = function() hl.dispatch(hl.dsp.focus({ direction = "l" })) end })
 -- hl.gesture({ fingers = 3, direction = "right", action = function() hl.dispatch(hl.dsp.focus({ direction = "r" })) end })
+
+-- Tablets / pens.
+-- Hyprland maps a tablet across the *whole* monitor layout by default
+-- (input.tablet.output is empty), so a pen stretches over eDP-1 + the external
+-- display at once. Pin each tablet to a single output instead.
+-- 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.
+hl.device({ name = "elan9008:00-04f3:43c7-stylus", output = "eDP-1" })
+
+-- 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
+-- absent, Hyprland maps across the whole layout, which undocked is just eDP-1.
+--
+-- The tablet is 152x95mm (16:10) and the display is 16:9, so the active area is
+-- cropped to a 152x85.5mm (16:9) band to keep strokes undistorted while still
+-- reaching every pixel. The band starts at the top edge, leaving the bottom
+-- 9.5mm of the tablet as dead space (the pen there parks at the screen bottom).
+hl.device({
+  name = "wacom-intuos-bt-s-pen",
+  output = "desc:Apple Computer Inc StudioDisplay 0x984262A7",
+  active_area_size = { 152, 85.5 },
+  active_area_position = { 0, 0 },
+})
+
+-- Left-handed use rotates the tablet 180 degrees: left_handed = true
+
+-- The 4 ExpressKeys ("Tablet Pad") cannot be bound from Hyprland; only apps
+-- that implement the tablet-v2 pad protocol (e.g. Krita) see them.