feat: mobile-optimized kitty config, Xpra HTML5 tuning, higher DPI

- Kitty font 16pt, hide decorations, bottom tab bar, touch-friendly
- Xpra DPI 144, min-quality 80 for crisp text
- HTML5 client: floating menu enabled, swap keys for touch
- Natural scrolling for mobile devices

config/kitty.conf

@@ -1,13 +1,15 @@
-# Sethian Terminal Theme
+# Sethian Terminal Theme - optimized for web/mobile via Xpra
+
+# Large font for mobile readability
 font_family      JetBrains Mono
-font_size        11.0
+font_size        16.0
 bold_font        auto
 italic_font      auto
 
-# Sethian colors - dark with orange accents
+# Sethian colors
 foreground       #e0e0e0
 background       #0a0a0a
-background_opacity 0.95
+background_opacity 1.0
 
 cursor           #D35400
 cursor_shape     beam
@@ -15,12 +17,32 @@ cursor_shape     beam
 selection_foreground #0a0a0a
 selection_background #D35400
 
-# Tab bar
+# Tab bar - bottom, minimal, touch-friendly
+tab_bar_edge     bottom
+tab_bar_style    powerline
+tab_bar_min_tabs 1
 active_tab_foreground   #0a0a0a
 active_tab_background   #D35400
 inactive_tab_foreground #999999
 inactive_tab_background #1a1a1a
-tab_bar_style           powerline
+tab_title_max_length    20
+
+# Window layout - no wasted space
+window_padding_width 2
+hide_window_decorations yes
+placement_strategy top-left
+
+# Scrollback
+scrollback_lines 10000
+
+# Bell
+enable_audio_bell no
+visual_bell_duration 0.1
+visual_bell_color #D35400
+
+# URL handling
+url_color #D35400
+url_style curly
 
 # Normal colors
 color0  #1a1a1a
@@ -42,11 +64,13 @@ color13 #ad7fa8
 color14 #34e2e2
 color15 #eeeeec
 
-# Window
-window_padding_width 4
-confirm_os_window_close 0
-enable_audio_bell no
+# Keyboard shortcuts for tab management
+map ctrl+shift+t new_tab
+map ctrl+shift+w close_tab
+map ctrl+shift+right next_tab
+map ctrl+shift+left previous_tab
 
-# URL handling
-url_color #D35400
-url_style curly
+# Performance
+repaint_delay 16
+input_delay 2
+sync_to_monitor no

config/xpra-html5-settings.txt

@@ -0,0 +1,17 @@
+# kitty-web mobile-optimized Xpra HTML5 settings
+
+# Block telemetry
+blocked-hosts = xpra.org,www.xpra.org
+
+# Quality - prefer sharpness for text
+min-quality = 80
+min-speed = 80
+
+# Swap scroll direction for touch devices (natural scrolling)
+swap_keys = true
+
+# Floating menu enabled by default (has keyboard toggle, fullscreen, etc.)
+floating_menu = true
+
+# Encoding - prefer tight/PNG for crisp text rendering
+encoding = auto

systemd/kitty-web.service

@@ -19,9 +19,13 @@ ExecStart=/usr/bin/xpra start \
     --no-printing \
     --sharing=yes \
     --readonly=no \
+    --dpi=144 \
+    --desktop-scaling=auto \
+    --encoding=auto \
+    --min-quality=80 \
     --no-daemon
 
-ExecStop=/usr/bin/xpra stop :0
+ExecStop=/usr/bin/xpra stop
 
 Restart=on-failure
 RestartSec=5