diff --git a/.config/bash_aliases b/.config/bash_aliases
index 0e35fef..b381e53 100644
--- a/.config/bash_aliases
+++ b/.config/bash_aliases
@@ -2,3 +2,4 @@ alias ls='ls -lahtr'
 alias vi='kak'
 alias df='/usr/bin/git --git-dir=$HOME/.dotfilesrepo/ --work-tree=$HOME'
 alias unpack='dtrx'
+alias imv='imv-wayland'
diff --git a/.config/kak/kakrc b/.config/kak/kakrc
index 499a9f0..8b84a3b 100644
--- a/.config/kak/kakrc
+++ b/.config/kak/kakrc
@@ -9,6 +9,9 @@ set-option global makecmd 'bash build.sh'
 map global user n :make-next-error<ret>
 map global user p :make-previous-error<ret>
 
+# Toggle line comments for the current selection/line.
+map global user / ': comment-line<ret>'
+
 # Kakoune does not have a Vim-style 'expandtab' option. Make a literal Tab key
 # insert four spaces instead of a tab character while in insert mode.
 map global insert <tab> '<space><space><space><space>'
diff --git a/README.md b/README.md
index 53a8531..bd0e8c9 100644
--- a/README.md
+++ b/README.md
@@ -185,6 +185,7 @@ sudo apt install -y \
   wireplumber \
   pavucontrol \
   grim \
+  imv \
   ffmpeg libavcodec-extra
 ```
 
@@ -202,6 +203,7 @@ Package notes:
     - `xwayland` - compatibility layer that allows older X11 applications to run inside the Wayland/Sway session.
     - `wl-clipboard` - Wayland clipboard tools, mainly `wl-copy` and `wl-paste`. Needed by scripts and editor integrations.
     - `fonts-jetbrains-mono` - nice monospace font for terminal/editor use.
+    - `imv` - image viewer
 - xdg, a standard required by some apps (shared enviroment variables and such):
     - `xdg-desktop-portal-wlr` - desktop portal backend for wlroots compositors like Sway. Needed for screen sharing, screenshots, file pickers, and other app integrations.
     - `xdg-desktop-portal-gtk` - GTK portal backend/fallback. Helps with file picker dialogs and desktop integration for some applications.
diff --git a/bin/cafe b/bin/cafe
new file mode 100755
index 0000000..11eacca
--- /dev/null
+++ b/bin/cafe
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+reason="caffe: keep system awake until this process exits"
+
+echo "Caffe active. This terminal is inhibiting suspend."
+echo "Press Ctrl+C or close this terminal to return to normal."
+echo
+
+exec systemd-inhibit \
+  --what=sleep:shutdown:idle \
+  --who="caffe" \
+  --why="$reason" \
+  --mode=block \
+  sleep infinity