feat: show window icons per workspace in waybar

Adds {windows} format to hyprland/workspaces with icon mapping for
common apps (terminal, browser, file manager, editor, media, etc.).
Icons are dimmed and smaller than the workspace number.

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

config/waybar/config.jsonc

@@ -25,7 +25,28 @@
     ],
 
     "hyprland/workspaces": {
-        "format": "{id}",
+        "format": "{id} {windows}",
+        "format-window-separator": " ",
+        "window-rewrite-default": "",
+        "window-rewrite": {
+            "class<kitty>":              "",
+            "class<foot>":               "",
+            "class<Alacritty>":          "",
+            "class<firefox>":            "",
+            "class<chromium>":           "",
+            "class<google-chrome>":      "",
+            "class<dolphin>":            "",
+            "class<thunar>":             "",
+            "class<nautilus>":           "",
+            "class<code>":               "",
+            "class<code-url-handler>":   "",
+            "class<discord>":            "",
+            "class<telegram-desktop>":   "",
+            "class<mpv>":                "",
+            "class<vlc>":                "",
+            "class<gimp>":               "",
+            "class<spotify>":            ""
+        },
         "on-scroll-up": "hyprctl dispatch workspace e+1",
         "on-scroll-down": "hyprctl dispatch workspace e-1",
         "all-outputs": false
@@ -73,8 +94,8 @@
         "format-plugged": "\uf1e6  {capacity}%",
         "format-icons": ["\uf244", "\uf243", "\uf242", "\uf241", "\uf240"],
         "states": {
-            "warning": 30,
-            "critical": 15
+            "warning": 85,
+            "critical": 80
         },
         "tooltip-format": "{timeTo}, {power:.1f}W"
     },
@@ -124,11 +145,11 @@
     },
 
     "custom/notification": {
-        "exec": "[ -f /tmp/waybar-notif ] && echo \"\uf0f3  $(cat /tmp/waybar-notif)\" || echo ''",
+        "exec": "~/.config/waybar/notif-status.sh",
+        "return-type": "json",
         "interval": 2,
-        "format": "{}",
         "max-length": 80,
-        "on-click": "rm -f /tmp/waybar-notif"
+        "on-click": "rm -f /tmp/waybar-notif /tmp/waybar-notif-urgency"
     },
 
     "disk": {