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/wal/generate.py

@@ -13,6 +13,7 @@ bg    = c['special']['background']
 fg    = c['special']['foreground']
 pink  = c['colors']['color1']
 green = c['colors']['color2']
+warn  = c['colors']['color3']
 muted = c['colors']['color8']
 dark  = c['colors']['color0']
 
@@ -51,6 +52,11 @@ window#waybar.bottom {{
     font-style: italic;
 }}
 
+#custom-notification.critical {{
+    color: {pink};
+    font-style: italic;
+}}
+
 #disk,
 #network.speed {{
     padding: 1px 8px;
@@ -87,6 +93,12 @@ window#waybar.bottom {{
     animation: blink 0.6s steps(1) infinite;
 }}
 
+#workspaces button .windows-icon {{
+    font-size: 9px;
+    color: {muted};
+    margin-left: 2px;
+}}
+
 #window {{
     color: {muted};
     padding: 0 10px;
@@ -102,6 +114,7 @@ window#waybar.bottom {{
 #cpu,
 #memory,
 #temperature,
+#battery,
 #network,
 #pulseaudio,
 #tray {{
@@ -111,6 +124,15 @@ window#waybar.bottom {{
     transition: all 0.2s ease;
 }}
 
+#battery.warning {{
+    color: {warn};
+}}
+
+#battery.critical {{
+    color: {pink};
+    animation: blink 1s steps(1) infinite;
+}}
+
 #cpu:hover,
 #memory:hover,
 #network:hover,