control centre, notification overhaul, and cleanup

One centred rofi panel (super+x, or the gear in the bar) now drives network,
bluetooth, audio, WireGuard, display, notifications, clipboard, emoji,
screenshots, wallpaper, the particle layer, the bar and power. The separate
per-function menus are gone.

dunst: icons and images were disabled outright (icon_position=off,
max_icon_size=0). Now icons resolve through Papirus, images render, progress
bars are styled, notifications gap and stack, and fullscreen windows are not
covered unless the message is critical. Volume up/down never notified at all;
they now show a stacking OSD with a progress bar.

Removed things that were broken or belonged to whoever this rice came from:
- vpn-launcher.sh (mullvad/openvpn) and dc-multivpn
- audio/bluetooth/network/power rofi menus, folded into the control centre
- untar-all, unzip-all, resetxdgportal (unreferenced)
- a sxhkd binding hardcoded to /home/sarthak/projects/scribe
- clipboard-manager.sh keyed off XDG_SESSION_TYPE, which is 'tty' here, so it
  only ever printed a Russian error; rewritten on greenclip
- toggle-bar.sh was bound to super+b but did not exist; written

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Cn3dHfbgNYdbZvzb1b3GQt

.config/dunst/dunstrc

@@ -1,63 +1,111 @@
+# Sakura Line - dunst
+# Palette sampled from ~/.config/bspwm/wallpaper/wallpaper.jpg
+
 [global]
-monitor = 0
-follow = mouse
-shrink = no
-padding = 12
-horizontal_padding = 12
+    monitor = 0
+    follow = mouse
 
-width = 350
-height = (0, 150)
-offset = 12x45
-origin = top-right
+    # sits just under the polybar (bar is 28px tall at a 0.5% y-offset)
+    origin = top-right
+    offset = 14x46
+    width = (300, 420)
+    height = (0, 320)
+    notification_limit = 6
+    gap_size = 8
 
-frame_width = 2
-separator_height = 1
-frame_color = "#92b9ea"
-separator_color = frame
+    progress_bar = true
+    progress_bar_height = 8
+    progress_bar_frame_width = 0
+    progress_bar_min_width = 160
+    progress_bar_max_width = 400
+    progress_bar_corner_radius = 4
 
-sort = no
-font = JetBrainsMono Nerd Font 10
-markup = full
-format = "[%a]\n<b>%s</b>\n%b"
-alignment = left
-show_age_threshold = 60
-word_wrap = yes
-ignore_newline = no
-stack_duplicates = true
-hide_duplicate_count = no
-show_indicators = yes
+    indicate_hidden = yes
+    padding = 14
+    horizontal_padding = 16
+    text_icon_padding = 14
+    frame_width = 2
+    corner_radius = 14
+    separator_height = 8
+    separator_color = auto
 
-icon_position = off
-max_icon_size = 0
-sticky_history = no
-history_length = 6
-title = Dunst
-class = Dunst
-corner_radius = 12
+    sort = urgency_descending
+    idle_threshold = 120
 
-mouse_left_click = close_current
-mouse_middle_click = do_action
-mouse_right_click = close_all
+    font = JetBrainsMono Nerd Font 10
+    line_height = 4
+    markup = full
+    format = "<b>%s</b>\n%b"
+    alignment = left
+    vertical_alignment = center
+    show_age_threshold = 60
+    ellipsize = middle
+    word_wrap = yes
+    ignore_newline = no
+    stack_duplicates = true
+    hide_duplicate_count = false
+    show_indicators = no
 
-[ignore_flameshot_warning]
-body = "grim's screenshot component is implemented based on wlroots, it may not be used in GNOME or similar desktop environments"
-format = ""
+    # icons: app icons resolve through the icon theme, and images sent with
+    # the notification (album art, screenshots) are shown as-is
+    enable_recursive_icon_lookup = true
+    icon_theme = "Papirus-Dark, Adwaita, hicolor"
+    icon_position = left
+    min_icon_size = 32
+    max_icon_size = 64
+
+    sticky_history = yes
+    history_length = 30
+
+    title = Dunst
+    class = Dunst
+
+    mouse_left_click = do_action, close_current
+    mouse_middle_click = close_all
+    mouse_right_click = close_current
 
 [urgency_low]
-background = "#0f0d17"
-foreground = "#7f7796"
-frame_color = "#3d3752"
-timeout = 5
+    background = "#0f0d17e6"
+    foreground = "#a9a2bd"
+    frame_color = "#2e2842"
+    highlight = "#7f7796"
+    timeout = 4
 
 [urgency_normal]
-default_icon = dialog-information
-background = "#0f0d17"
-foreground = "#e9eefb"
-frame_color = "#92b9ea"
-timeout = 5
+    background = "#0f0d17e6"
+    foreground = "#e9eefb"
+    frame_color = "#3d3752"
+    highlight = "#92b9ea"
+    default_icon = dialog-information
+    timeout = 6
 
 [urgency_critical]
-background = "#0f0d17"
-foreground = "#e0798f"
-frame_color = "#cf6a80"
-timeout = 0
+    background = "#1a0f18e6"
+    foreground = "#ffe9ee"
+    frame_color = "#cf6a80"
+    highlight = "#cf6a80"
+    default_icon = dialog-error
+    timeout = 0
+
+# Don't cover a fullscreen game; critical still gets through.
+[fullscreen_delay]
+    fullscreen = delay
+
+[fullscreen_critical]
+    msg_urgency = critical
+    fullscreen = show
+
+# Transient OSDs (volume, brightness) replace each other and need no icon frame
+[osd]
+    appname = "osd"
+    format = "<b>%s</b>"
+    icon_position = off
+    frame_color = "#92b9ea"
+    highlight = "#92b9ea"
+    timeout = 2
+    history_ignore = yes
+
+[flameshot_noise]
+    body = "grim's screenshot component is implemented based on wlroots, it may not be used in GNOME or similar desktop environments"
+    skip_display = true
+    history_ignore = yes