Merge remote-tracking branch 'origin/quattro' into quattro

# Conflicts:
#	default/pacman/pacman-stable.conf

bin/omarchy

@@ -41,6 +41,7 @@ GROUP_DESCRIPTIONS[clipboard]="Clipboard helpers"
 GROUP_DESCRIPTIONS[cmd]="Command and shortcut helpers"
 GROUP_DESCRIPTIONS[cn]="OmarchyCN China environment integration"
 GROUP_DESCRIPTIONS[config]="System configuration helpers"
+GROUP_DESCRIPTIONS[crash]="Crash notification controls"
 GROUP_DESCRIPTIONS[debug]="Diagnostics and support logs"
 GROUP_DESCRIPTIONS[finalize]="Finalize user setup"
 GROUP_DESCRIPTIONS[default]="Default application selection"

bin/omarchy-agent

@@ -92,8 +92,10 @@ omp)
   ;;
 ori)
   # Ori is a harness launcher, and `ori code` is the agent it runs itself.
+  # A prompt alone means one headless turn there, printed after the turn ends,
+  # so --interactive is what seeds the session with it and keeps the window.
   command=(ori code)
-  [[ -n ${prompt:-} ]] && command+=(--prompt "$prompt")
+  [[ -n ${prompt:-} ]] && command+=(--interactive --prompt "$prompt")
   ;;
 pi)
   command=(pi)

bin/omarchy-agent-usage-codex

@@ -528,7 +528,7 @@ def fetch_codex_rpc():
 
   try:
     proc = subprocess.Popen(
-      [codex, "-s", "read-only", "-a", "untrusted", "app-server"],
+      [codex, "-s", "read-only", "-a", "on-request", "app-server"],
       stdin=subprocess.PIPE,
       stdout=subprocess.PIPE,
       stderr=subprocess.DEVNULL,

bin/omarchy-brightness-display-apple

@@ -4,7 +4,13 @@
 # omarchy:args=[--no-osd] [+N%|N%-|N%]
 # omarchy:examples=omarchy brightness display apple | omarchy brightness display apple +5% | omarchy brightness display apple --no-osd 50%
 
-device_cache="${XDG_RUNTIME_DIR:-/tmp}/omarchy-brightness-display-apple.device"
+# Only cache under the user-private runtime dir. With no XDG_RUNTIME_DIR we skip
+# caching (detect every run) rather than fall back to a predictable, world-writable
+# /tmp path another user could pre-create.
+device_cache=""
+if [[ -n ${XDG_RUNTIME_DIR:-} ]]; then
+  device_cache="$XDG_RUNTIME_DIR/omarchy-brightness-display-apple.device"
+fi
 no_osd=0
 if [[ ${1:-} == "--no-osd" ]]; then
   no_osd=1
@@ -28,9 +34,14 @@ find_apple_display_device() {
   local cached=""
   local device=""
 
-  if [[ -r $device_cache ]]; then
+  if [[ -n $device_cache && -r $device_cache ]]; then
     read -r cached <"$device_cache" || true
-    if [[ -n $cached && -e $cached ]]; then
+    # Trust a cached value only if it still names a hiddev character device. A
+    # stale or unexpected cache (a regular file, a non-hiddev node) is ignored and
+    # we re-detect instead of handing an arbitrary path to asdcontrol. The globs
+    # are left unquoted on purpose: [[ ]] pattern-matches an unquoted right side,
+    # and quoting them would turn the match into a literal string comparison.
+    if [[ ( $cached == /dev/hiddev* || $cached == /dev/usb/hiddev* ) && -c $cached ]]; then
       printf '%s\n' "$cached"
       return 0
     fi
@@ -39,7 +50,9 @@ find_apple_display_device() {
   device="$(detect_apple_display_device)" || return 1
   [[ -n $device ]] || return 1
 
-  printf '%s\n' "$device" >"$device_cache"
+  if [[ -n $device_cache ]]; then
+    printf '%s\n' "$device" >"$device_cache"
+  fi
   printf '%s\n' "$device"
 }
 

bin/omarchy-crash-mute

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# omarchy:summary=Silence crash notifications for one program, or list what is silenced
+# omarchy:args=[--] [<program>] [on|off|toggle]
+# omarchy:examples=omarchy crash mute | omarchy crash mute hyprland | omarchy crash mute /usr/bin/hyprland | omarchy crash mute hyprland off
+
+# The flag omarchy-crash-watch reads before announcing a crash. Muting is per
+# program; Trigger > Toggle > Crash Capture is the switch for all of them.
+
+set -uo pipefail
+
+readonly MUTES="$HOME/.local/state/omarchy/toggles/crash-ignore"
+
+usage() {
+  echo "Usage: omarchy crash mute [--] [<program>] [on|off|toggle]" >&2
+}
+
+# Only regular files, because that is all the watcher honours: anything else in
+# there would be reported as muted while the crashes kept arriving. The dotted
+# glob is for a program legitimately called .hidden, and `.` and `..` fail the
+# same -f test that keeps them out.
+list() {
+  local entry found=0
+
+  for entry in "$MUTES"/* "$MUTES"/.*; do
+    [[ -f $entry ]] || continue
+    printf '%s\n' "${entry##*/}"
+    found=1
+  done
+
+  ((found)) || echo "No programs muted. Crashes all notify."
+}
+
+# A program may be named -h, and the router answers that with its own help
+# before this ever runs. `omarchy crash mute -- -h` is the way through.
+[[ ${1:-} == "--" ]] && shift
+
+if (($# == 0)); then
+  list
+  exit 0
+fi
+
+program=$1
+action=${2:-on}
+
+# The watcher keys the mute on the executable's basename, so accept the path it
+# reports as readily as the name, and reduce either the same way it does.
+program=${program##*/}
+
+if [[ -z $program || $program == "." || $program == ".." ]]; then
+  echo "Not a program name: $1" >&2
+  usage
+  exit 1
+fi
+
+case "$action" in
+  on|off|toggle) ;;
+  *)
+    echo "Not an action: $action" >&2
+    usage
+    exit 1
+    ;;
+esac
+
+omarchy-toggle "crash-ignore/$program" "$action" || exit 1
+
+# Report what is now true rather than what was asked for: the flag is what the
+# watcher reads, and a toggle does not say which way it went.
+if omarchy-toggle-enabled "crash-ignore/$program"; then
+  echo "Muted crash notifications for $program."
+else
+  echo "Crash notifications for $program are back on."
+fi

bin/omarchy-crash-watch

@@ -48,12 +48,17 @@ announce() {
 # -n 0 so a restart does not re-announce crashes already dealt with.
 journalctl -f -n 0 -o json "MESSAGE_ID=$COREDUMP_MESSAGE_ID" 2>/dev/null |
   while IFS= read -r entry; do
+    # A dash for a field that is empty as well as one that is missing: tab is
+    # IFS whitespace, so an empty field collapses into the next delimiter and
+    # every field after it shifts along one. A process can set its own comm to
+    # nothing, and that crash used to be read as somebody else's and dropped.
     IFS=$'\t' read -r uid comm pid exe signal < <(
-      jq -r '[(._UID // "-"),
-              (.COREDUMP_COMM // "-"),
-              (.COREDUMP_PID // "-"),
-              (.COREDUMP_EXE // "-"),
-              (.COREDUMP_SIGNAL_NAME // "-")] | @tsv' <<<"$entry" 2>/dev/null
+      jq -r 'def field: if . == null or . == "" then "-" else . end;
+             [(._UID | field),
+              (.COREDUMP_COMM | field),
+              (.COREDUMP_PID | field),
+              (.COREDUMP_EXE | field),
+              (.COREDUMP_SIGNAL_NAME | field)] | @tsv' <<<"$entry" 2>/dev/null
     )
 
     [[ $pid =~ ^[0-9]+$ ]] || continue
@@ -71,11 +76,29 @@ journalctl -f -n 0 -o json "MESSAGE_ID=$COREDUMP_MESSAGE_ID" 2>/dev/null |
     name=$comm
     [[ $exe == /* ]] && name=${exe##*/}
 
+    # A process can set its own comm to anything prctl takes, slashes included,
+    # and a crash with no recorded executable falls back to it. The mute below
+    # turns this name into a path, so keep it one component: a crash must not
+    # reach a flag outside crash-ignore/, nor have a diagnosis write one there.
+    name=${name##*/}
+
+    # What that leaves is not always a name. "/" leaves nothing, which is no
+    # kind of array subscript and no kind of toast; a dot component names a
+    # directory rather than a flag, so a mute on it would touch that directory
+    # and then never match; and a dash is what the read above puts there when
+    # the crash recorded no name at all.
+    [[ -n $name && $name != "-" && $name != "." && $name != ".." ]] || name=unknown
+
     [[ -n $ignore_pattern && $name =~ $ignore_pattern ]] && continue
 
     # Never announce our own machinery, or it notifies about itself.
     [[ $name == omarchy-crash-* || $name == omarchy-agent-* ]] && continue
 
+    # Muted at the end of a diagnosis, when the user was offered it and said
+    # yes. A flag per program rather than one list, so omarchy-crash-mute can
+    # lift one without reading, rewriting and re-parsing the rest.
+    omarchy-toggle-enabled "crash-ignore/$name" && continue
+
     now=$EPOCHSECONDS
     (((now - ${last_notified[$name]:-0}) < dedupe_seconds)) && continue
 

bin/omarchy-dns

@@ -6,6 +6,18 @@
 
 set -euo pipefail
 
+# Whenever this runs as root — invoked directly through the passwordless
+# sudoers rule, or re-execed by require_root below — sudo's secure_path decides
+# where a bare helper resolves, and a dev link (etc/sudoers.d/omarchy-dev-path)
+# prepends a user-writable checkout bin/ to it. Every helper this script calls
+# by bare name (dirname, install, tee, rm, nmcli, systemctl, awk) is a system
+# tool, never an omarchy-* command, so pin PATH to trusted system directories
+# and keep root from resolving one out of that checkout. The unprivileged
+# wrapper phase keeps the caller's PATH so it can still find sudo/pkexec.
+if (( EUID == 0 )); then
+  export PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin
+fi
+
 NM_DNS_CONF=/etc/NetworkManager/conf.d/20-omarchy-dns.conf
 
 provider_from_arg() {

bin/omarchy-git-url-check

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# omarchy:summary=Check that a git URL names a repository, not a transport helper
+# omarchy:args=<git-url>
+# omarchy:hidden=true
+
+set -euo pipefail
+
+# git picks a remote helper -- an executable it runs at clone time -- out of a URL
+# in exactly two shapes, and no others: `<helper>::<address>`, and
+# `<scheme>://<address>` for any scheme git does not handle itself. A single
+# colon is always scp-style ssh, and a bare path is always a path; neither can
+# reach a helper. So constraining those two shapes covers the whole surface.
+#
+# The `::` shape is refused outright, because no helper reachable that way is one
+# a theme or plugin URL has business naming, and `ext::` runs a shell command.
+# The `://` shape cannot be refused the same way, since it is also how every
+# legitimate URL arrives -- so it is allowlisted instead. The list is the
+# transports git still connects itself, `git+ssh` and `ssh+git` included: those
+# two are spelled like a helper but are read as plain ssh. `ext` and `fd` are
+# left out deliberately -- git ships a helper for each, and `ext` runs whatever
+# command the URL carries.
+TRANSPORTS=(ssh git git+ssh ssh+git http https ftp ftps file)
+
+fail() {
+  echo "omarchy-git-url-check: $*" >&2
+  exit 1
+}
+
+url="${1-}"
+
+if [[ -z $url ]]; then
+  fail "a git URL is required"
+fi
+
+if [[ $url == -* || $url =~ ^[A-Za-z0-9][A-Za-z0-9+.-]*:: ]]; then
+  fail "'$url' names a git option or transport helper, not a repository."
+fi
+
+if [[ $url =~ ^([A-Za-z0-9][A-Za-z0-9+.-]*):// ]]; then
+  scheme="${BASH_REMATCH[1]}"
+
+  for transport in "${TRANSPORTS[@]}"; do
+    if [[ $scheme == "$transport" ]]; then
+      exit 0
+    fi
+  done
+
+  fail "'$url' names the '$scheme' transport, which Omarchy does not clone from."
+fi

bin/omarchy-hw-dell-xps13-sidecar-amps

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# omarchy:summary=Match the Dell XPS 13 DX13260 that requires the sidecar amplifier workaround.
+
+product_sku="${OMARCHY_DMI_PRODUCT_SKU:-/sys/class/dmi/id/product_sku}"
+
+omarchy-hw-match "DX13260" &&
+  grep -qix "0E53" "$product_sku" 2>/dev/null

bin/omarchy-hyprland-monitor-clamshell

@@ -11,6 +11,14 @@ MONITOR_LUA="$HOME/.config/hypr/monitors.lua"
 
 INTERNAL=$(omarchy-hyprland-monitor-laptop)
 
+# INTERNAL is written into generated Lua and hyprctl eval/dispatch below, so a
+# name that is not a plain connector string could execute on the next reload.
+# Names come from hyprctl; a user-created headless output can carry anything.
+if [[ -n $INTERNAL && ! $INTERNAL =~ ^[A-Za-z0-9._-]+$ ]]; then
+  echo "Refusing unsafe internal monitor name" >&2
+  exit 1
+fi
+
 valid_scale() {
   [[ $1 =~ ^[0-9]+([.][0-9]+)?$ ]]
 }

bin/omarchy-hyprland-monitor-internal

@@ -28,6 +28,13 @@ off() {
     exit 1
   fi
 
+  # The name is written into generated Lua below, so only a plain connector
+  # name may pass; anything else could execute on the next reload.
+  if [[ ! $INTERNAL =~ ^[A-Za-z0-9._-]+$ ]]; then
+    omarchy-notification-send -g 󰍹 "Refusing unsafe monitor name"
+    exit 1
+  fi
+
   if ! omarchy-hyprland-monitor-external-active; then
     omarchy-notification-send -g 󰍹 "Can't disable the only active display"
     exit 1

bin/omarchy-hyprland-monitor-internal-mirror

@@ -22,6 +22,15 @@ on() {
     exit 1
   fi
 
+  # Both names are written into generated Lua below, so only plain connector
+  # names may pass; a user-created headless output can carry any name.
+  for output in "$INTERNAL" "$EXTERNAL"; do
+    if [[ ! $output =~ ^[A-Za-z0-9._-]+$ ]]; then
+      omarchy-notification-send -g 󰍹 "Refusing unsafe monitor name"
+      exit 1
+    fi
+  done
+
   omarchy-hyprland-toggle $DISABLE_TOGGLE off
 
   if omarchy-hyprland-toggle-disabled $TOGGLE; then

bin/omarchy-hyprland-monitor-scaling

@@ -80,6 +80,14 @@ set_scale() {
   local width="$(echo "$monitor_info" | jq -r '.width')"
   local height="$(echo "$monitor_info" | jq -r '.height')"
   local refresh_rate="$(echo "$monitor_info" | jq -r '.refreshRate')"
+
+  # active_monitor is written into the Lua string eval'd below, so only a plain
+  # connector name may pass; a hostile output name could execute otherwise.
+  if [[ ! $active_monitor =~ ^[A-Za-z0-9._-]+$ ]]; then
+    echo "Refusing unsafe monitor name" >&2
+    exit 1
+  fi
+
   local new_scale="$(clean_scale "$requested_scale" "$width" "$height")"
   # GTK only honors integer GDK_SCALE values, so persist the nearest whole
   # factor even when the monitor scale itself is fractional.

bin/omarchy-install-browser

@@ -6,9 +6,10 @@
 
 set -e
 
-setup_policy_directory() {
-  sudo mkdir -p "$1"
-  sudo chmod a+rw "$1"
+source "$OMARCHY_PATH/install/helpers/browser-policy.sh"
+
+setup_chromium_policy_directory() {
+  browser_policy_setup_dir "$1"
 }
 
 announce_browser_installed() {
@@ -23,13 +24,6 @@ copy_chromium_flags() {
   omarchy-install-chromium-ytdlp
 }
 
-setup_firefox_preferences() {
-  local distribution_dir="$1"
-
-  setup_policy_directory "$distribution_dir"
-  sudo cp -f "$OMARCHY_PATH/default/firefox/policies.json" "$distribution_dir/policies.json"
-}
-
 setup_firefox_wayland() {
   mkdir -p ~/.config/environment.d
   echo "MOZ_ENABLE_WAYLAND=1" > ~/.config/environment.d/omarchy-firefox-wayland.conf
@@ -40,7 +34,7 @@ chromium)
   echo "Installing Chromium..."
   omarchy-pkg-add chromium
 
-  setup_policy_directory /etc/chromium/policies/managed
+  setup_chromium_policy_directory /etc/chromium/policies/managed
   copy_chromium_flags ~/.config/chromium-flags.conf
   omarchy-theme-set-browser
   announce_browser_installed "Chromium"
@@ -49,7 +43,7 @@ chrome)
   echo "Installing Chrome..."
   omarchy-pkg-aur-add google-chrome || exit 1
 
-  setup_policy_directory /etc/opt/chrome/policies/managed
+  setup_chromium_policy_directory /etc/opt/chrome/policies/managed
   copy_chromium_flags ~/.config/chrome-flags.conf
   omarchy-theme-set-browser
   announce_browser_installed "Chrome"
@@ -58,7 +52,7 @@ edge)
   echo "Installing Edge..."
   omarchy-pkg-aur-add microsoft-edge-stable-bin || exit 1
 
-  setup_policy_directory /etc/opt/edge/policies/managed
+  setup_chromium_policy_directory /etc/opt/edge/policies/managed
   copy_chromium_flags ~/.config/microsoft-edge-stable-flags.conf
   omarchy-theme-set-browser
   announce_browser_installed "Edge"
@@ -67,7 +61,7 @@ brave)
   echo "Installing Brave..."
   omarchy-pkg-aur-add brave-bin || exit 1
 
-  setup_policy_directory /etc/brave/policies/managed
+  setup_chromium_policy_directory /etc/brave/policies/managed
   copy_chromium_flags ~/.config/brave-flags.conf
   omarchy-theme-set-browser
   announce_browser_installed "Brave"
@@ -76,7 +70,7 @@ brave-origin)
   echo "Installing Brave Origin..."
   omarchy-pkg-aur-add brave-origin-bin || exit 1
 
-  setup_policy_directory /etc/brave/policies/managed
+  setup_chromium_policy_directory /etc/brave/policies/managed
   copy_chromium_flags ~/.config/brave-origin-flags.conf
   omarchy-theme-set-browser
   announce_browser_installed "Brave Origin"
@@ -85,7 +79,7 @@ firefox)
   echo "Installing Firefox..."
   omarchy-pkg-add firefox || exit 1
 
-  setup_firefox_preferences /usr/lib/firefox/distribution
+  browser_policy_setup_firefox_distribution /usr/lib/firefox/distribution
   setup_firefox_wayland
   announce_browser_installed "Firefox"
   ;;
@@ -93,7 +87,7 @@ zen)
   echo "Installing Zen..."
   omarchy-pkg-aur-add zen-browser-bin || exit 1
 
-  setup_firefox_preferences /opt/zen-browser/distribution
+  browser_policy_setup_firefox_distribution /opt/zen-browser/distribution
   setup_firefox_wayland
   announce_browser_installed "Zen"
   ;;

bin/omarchy-install-service-once

@@ -10,4 +10,4 @@ echo "Enabling ONCE background service..."
 sudo systemctl enable --now once-background.service
 
 echo -e "\nLaunching ONCE..."
-once
+sudo once

bin/omarchy-plugin-add

@@ -93,6 +93,13 @@ if [[ -z $url ]]; then
   [[ -n $url ]] || fail "a git URL is required"
 fi
 
+# Refuse a URL that names a git option or a transport helper before cloning, so
+# an untrusted URL cannot run a command before the plugin is validated or
+# enabled. The check is shared with omarchy-theme-install and explains itself; a
+# missing checker leaves this non-zero, which refuses the URL rather than
+# cloning it.
+omarchy-git-url-check "$url" || exit 1
+
 if (( ! ASSUME_YES )); then
   cat >&2 <<WARN
 

bin/omarchy-provision-owner

@@ -742,6 +742,12 @@ create_user() {
   # for specific commands), and a duplicate grant is harmless.
   echo "%wheel ALL=(ALL:ALL) ALL" >/etc/sudoers.d/00-omarchy-wheel
   chmod 440 /etc/sudoers.d/00-omarchy-wheel
+
+  source "$OMARCHY_PATH/install/helpers/browser-policy.sh"
+  for dir in "${BROWSER_POLICY_MANAGED_DIRS[@]}"; do
+    [[ -d $dir || -L $dir ]] || continue
+    browser_policy_setup_dir "$dir"
+  done
 }
 
 install_authorized_keys() {

bin/omarchy-remove-security-fido2

@@ -24,9 +24,14 @@ echo -e "\e[32mRemoving FIDO2 device from authentication.\n\e[0m"
 
 remove_pam_config
 
-if [[ -d /etc/fido2 ]]; then
+authdir=/etc/fido2
+
+# -d follows symlinks, so a dangling link at /etc/fido2 would survive this and
+# a later setup would install the authfile through it. rm -rf on a symlink
+# removes the link itself, never the directory it points at.
+if [[ -e $authdir || -L $authdir ]]; then
   echo "Removing FIDO2 configuration..."
-  sudo rm -rf /etc/fido2
+  sudo rm -rf "$authdir"
 fi
 
 echo "Removing FIDO2 packages..."

bin/omarchy-setup-security-fido2

@@ -4,6 +4,7 @@
 # omarchy:requires-sudo=true
 
 set -e
+set -o pipefail
 
 
 check_fido2_hardware() {
@@ -50,13 +51,79 @@ if ! check_fido2_hardware; then
 fi
 
 # Create the pamu2fcfg file
-if [[ ! -f /etc/fido2/fido2 ]]; then
-  sudo mkdir -p /etc/fido2
+authdir=/etc/fido2
+authfile=/etc/fido2/fido2
+
+# install -d follows a symlink here and applies the mode and ownership to
+# whatever it points at, so the credential would be staged and published inside
+# the link target and that directory reopened to root:root 755. This is the
+# threat omarchy-remove-security-fido2 already names on its side.
+if [[ -L $authdir || ( -e $authdir && ! -d $authdir ) ]]; then
+  echo -e "\e[31m\n$authdir is not a FIDO2 configuration directory.\e[0m"
+  echo "Run omarchy-remove-security-fido2 first, then set FIDO2 up again."
+  exit 1
+fi
+
+# -f follows symlinks, so the already-registered check below reads a symlinked
+# authfile as a registration and leaves it in place, and is false for a
+# directory, so it tries to register over one. Only a regular file is a valid
+# pam_u2f authfile.
+if [[ -L $authfile || ( -e $authfile && ! -f $authfile ) ]]; then
+  echo -e "\e[31m\n$authfile is not a FIDO2 registration file.\e[0m"
+  echo "Run omarchy-remove-security-fido2 first, then set FIDO2 up again."
+  exit 1
+fi
+
+if [[ ! -f $authfile ]]; then
+  sudo install -d -m 755 -o root -g root "$authdir"
   echo -e "\e[32m\nLet's setup your device by confirming on the device now.\e[0m"
   echo -e "Touch your FIDO2 key when it lights up...\n"
 
-  if pamu2fcfg >/tmp/fido2; then
-    sudo mv /tmp/fido2 /etc/fido2/fido2
+  # A unique sibling created by root cannot be replaced by another process
+  # running as this user. Stream pamu2fcfg into it instead of asking root to
+  # reopen a caller-owned path: an observed temporary name could otherwise be
+  # replaced with a symlink before the privileged copy. The final rename is
+  # atomic, and -T refuses a directory at the destination. Mode 644 keeps the
+  # root-owned global authfile readable when pam_u2f uses openasuser; only root
+  # can still rewrite it.
+  stage=""
+
+  # mktemp's output is an operand for four privileged commands below, one of
+  # them an rm. Take only the name this script asked for rather than whatever
+  # came back on stdout.
+  safe_stage_path() {
+    local candidate=$1
+    local prefix="$authfile.new."
+    local suffix
+
+    [[ $candidate == "$prefix"* ]] || return 1
+    suffix=${candidate#"$prefix"}
+    [[ $suffix =~ ^[[:alnum:]]{6}$ ]]
+  }
+
+  cleanup_stage() {
+    local status=$?
+
+    if safe_stage_path "$stage"; then
+      sudo rm -f -- "$stage" || true
+    fi
+
+    return "$status"
+  }
+
+  trap cleanup_stage EXIT
+  stage=$(sudo mktemp "$authfile.new.XXXXXX")
+
+  if ! safe_stage_path "$stage" || [[ ! -f $stage || -L $stage ]]; then
+    echo -e "\e[31m\nCould not create a safe staging file beside $authfile.\e[0m"
+    exit 1
+  fi
+
+  if pamu2fcfg | sudo tee "$stage" >/dev/null && [[ -s $stage ]]; then
+    sudo chmod 644 "$stage"
+    sudo mv -Tf "$stage" "$authfile"
+    stage=""
+    trap - EXIT
     echo -e "\e[32mFIDO2 device registered successfully!\e[0m"
   else
     echo -e "\e[31m\nFIDO2 registration failed. Please try again.\e[0m"

bin/omarchy-theme-install

@@ -16,14 +16,10 @@ if [[ -z $REPO_URL ]]; then
   exit 1
 fi
 
-# git reads a leading dash as an option, and `<helper>::<address>` as a remote
-# helper to run. The helper name is a bare word at the very start, which is what
-# this matches; an scp-style IPv6 host such as git@[2001:db8::1]:org/repo.git
-# carries `::` too and must still clone.
-if [[ $REPO_URL == -* || $REPO_URL =~ ^[A-Za-z0-9][A-Za-z0-9+.-]*:: ]]; then
-  echo "Error: '$REPO_URL' names a git option or transport helper, not a repository."
-  exit 1
-fi
+# Refuse a URL that names a git option or a transport helper before cloning. The
+# check is shared with omarchy-plugin-add and explains itself; a missing checker
+# leaves this non-zero, which refuses the URL rather than cloning it.
+omarchy-git-url-check "$REPO_URL" || exit 1
 
 THEMES_DIR="$HOME/.config/omarchy/themes"
 

bin/omarchy-theme-set-browser

@@ -3,23 +3,15 @@
 # omarchy:summary=Apply the current theme color to Chromium, Chrome, Edge, and Brave
 # omarchy:hidden=true
 
+source "$OMARCHY_PATH/install/helpers/browser-policy.sh"
+
 CHROMIUM_THEME=$HOME/.local/state/omarchy/current/theme/chromium.theme
+THEME_HEX_COLOR=$BROWSER_POLICY_DEFAULT_COLOR
 
 if [[ -f $CHROMIUM_THEME ]]; then
-  THEME_RGB_COLOR=$(<$CHROMIUM_THEME)
-  THEME_HEX_COLOR=$(printf '#%02x%02x%02x' ${THEME_RGB_COLOR//,/ })
-else
-  # Use a default, neutral grey if theme doesn't have a color
-  THEME_HEX_COLOR="#1c2027"
+  THEME_HEX_COLOR=$(browser_policy_theme_hex "$(<$CHROMIUM_THEME)")
 fi
 
-set_browser_policy() {
-  local policy_dir="$1"
-
-  [[ -d $policy_dir ]] || return
-  echo "{\"BrowserThemeColor\": \"$THEME_HEX_COLOR\", \"BrowserColorScheme\": \"device\"}" | tee "$policy_dir/color.json" >/dev/null
-}
-
 refresh_running_browser() {
   local process="$1"
   local command="$2"
@@ -30,17 +22,15 @@ refresh_running_browser() {
   fi
 }
 
-set_browser_policy /etc/chromium/policies/managed
+failed=0
+omarchy-theme-set-browser-policy "${THEME_HEX_COLOR#\#}" || failed=1
+
 refresh_running_browser chromium chromium
-
-set_browser_policy /etc/opt/chrome/policies/managed
 refresh_running_browser chrome google-chrome-stable || refresh_running_browser chrome google-chrome
-
-set_browser_policy /etc/opt/edge/policies/managed
 refresh_running_browser msedge microsoft-edge-stable
-
-set_browser_policy /etc/brave/policies/managed
 refresh_running_browser brave brave
 # Match on the binary path: the running process is named plain "brave", and a
 # bare -f brave-origin pattern would also match the installer's own terminal.
 refresh_running_browser /opt/brave-origin-bin/ brave-origin -f
+
+exit "$failed"

bin/omarchy-theme-set-browser-policy

@@ -0,0 +1,123 @@
+#!/bin/bash
+
+# omarchy:summary=Write the current theme color into the browser policy directories
+# omarchy:args=<rrggbb>
+# omarchy:hidden=true
+
+set -euo pipefail
+
+# Whenever this runs as root — invoked directly through the passwordless
+# sudoers rule, or re-execed by require_root below — sudo's secure_path decides
+# where a bare helper resolves, and a dev link (etc/sudoers.d/omarchy-dev-path)
+# prepends a user-writable checkout bin/ to it. Every helper this script calls
+# by bare name (printf's builtin aside: install, mktemp, rm) is a system tool,
+# never an omarchy-* command, so pin PATH to trusted system directories and keep
+# root from resolving one out of that checkout. The unprivileged wrapper phase
+# keeps the caller's PATH so it can still find sudo/pkexec.
+if (( EUID == 0 )); then
+  export PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin
+fi
+
+# Enterprise policy trust roots. The list is fixed here rather than taken from
+# the caller: the caller chooses a color, never a path.
+POLICY_DIRS=(
+  /etc/chromium/policies/managed
+  /etc/opt/chrome/policies/managed
+  /etc/opt/edge/policies/managed
+  /etc/brave/policies/managed
+)
+
+# The path etc/sudoers.d/omarchy-theme-browser names. The privileged half always
+# runs from there rather than from whichever copy was invoked, so the rule
+# matches even where $OMARCHY_PATH points at a checkout.
+PACKAGED_PATH=/usr/bin/omarchy-theme-set-browser-policy
+
+usage() {
+  echo "Usage: omarchy-theme-set-browser-policy <rrggbb>" >&2
+}
+
+if (( $# != 1 )); then
+  usage
+  exit 1
+fi
+
+color="$1"
+
+# Six lowercase hex digits is the whole of what this accepts. The leading "#"
+# is added when the JSON is written rather than passed in: "#" opens a comment
+# in sudoers, and keeping it out of argv lets the sudoers rule spell the
+# argument as a plain six-character glob.
+if [[ ! $color =~ ^[0-9a-f]{6}$ ]]; then
+  echo "omarchy-theme-set-browser-policy: expected six lowercase hex digits, got '$color'" >&2
+  exit 1
+fi
+
+# True when sudo would run this exact command without stopping for a password.
+# `sudo -l` on its own reports whether a command is permitted, which the blanket
+# %wheel rule answers yes to for everything; the long listing prints the matched
+# entry's tags, so !authenticate is the grant in
+# etc/sudoers.d/omarchy-theme-browser and nothing else. Listing runs nothing
+# and, under -n, prompts for nothing.
+sudo_grants_passwordless() {
+  sudo -n -l -l "$PACKAGED_PATH" "$@" 2>/dev/null | grep -q '!authenticate'
+}
+
+require_root() {
+  if (( EUID == 0 )); then
+    return
+  elif [[ -t 0 ]] || sudo_grants_passwordless "$@"; then
+    exec sudo "$PACKAGED_PATH" "$@"
+  else
+    exec pkexec "$PACKAGED_PATH" "$@"
+  fi
+}
+
+require_root "$color"
+
+failed=0
+staged=""
+# Bash 5.3 makes the EXIT trap's last command decide the script's exit status,
+# so this handler must not end on a false test. Every successful run clears
+# staged, and a trailing `[[ -n $staged ]] && ...` would report that as failure.
+cleanup() {
+  if [[ -n $staged ]]; then
+    rm -f "$staged"
+  fi
+}
+trap cleanup EXIT
+
+for policy_dir in "${POLICY_DIRS[@]}"; do
+  # Only browsers Omarchy has installed have a policy directory. Creating one
+  # here would hand a browser a managed-policy root it does not otherwise have.
+  [[ -d $policy_dir && ! -L $policy_dir ]] || continue
+
+  dest=$policy_dir/color.json
+  staged=$(mktemp) || {
+    failed=1
+    continue
+  }
+  printf '{"BrowserThemeColor": "#%s", "BrowserColorScheme": "device"}\n' "$color" >"$staged"
+
+  if [[ -L $dest || -d $dest ]]; then
+    if ! rm -rf -- "$dest"; then
+      rm -f "$staged"
+      staged=""
+      echo "omarchy-theme-set-browser-policy: cannot replace $dest" >&2
+      failed=1
+      continue
+    fi
+  fi
+
+  if ! install -m 0644 -o root -g root -T "$staged" "$dest"; then
+    rm -f "$staged"
+    staged=""
+    echo "omarchy-theme-set-browser-policy: cannot write $dest" >&2
+    failed=1
+    continue
+  fi
+
+  rm -f "$staged"
+  staged=""
+done
+
+exit "$failed"

bin/omarchy-toggle-input-device

@@ -7,44 +7,70 @@
 KIND="${1:-}"
 ACTION="${2:-toggle}"
 
+usage() {
+  echo "Usage: omarchy-toggle-input-device <touchpad|touchscreen> [on|off|toggle]" >&2
+}
+
 case "$KIND" in
   touchpad) LABEL="Touchpad" ICON="touchpad" ;;
   touchscreen) LABEL="Touchscreen" ICON="touch" ;;
   *)
-    echo "Usage: omarchy-toggle-input-device <touchpad|touchscreen> [on|off|toggle]" >&2
+    usage
     exit 1
     ;;
 esac
 
-# Hyprland sources this directory on reload, so the disabled state survives restarts
-STATE_FILE="$HOME/.local/state/omarchy/toggles/hypr/$KIND-disabled.lua"
+# The persisted disable is the device name stored as plain data; on every
+# reload default/hypr/disabled-input-device.lua reads it back and disables the
+# device. Names come from USB descriptors and must not be interpolated into
+# shell or Lua. The path is hardcoded to ~/.local/state like the sibling
+# toggle tools, so it keeps working when XDG_STATE_HOME diverges.
+NAME_FILE="$HOME/.local/state/omarchy/toggles/hypr/$KIND-disabled-name"
 
 device="$("omarchy-hw-$KIND")"
 
-if [[ -z $device ]]; then
-  echo "No $KIND device found" >&2
-  exit 1
-fi
+require_device() {
+  if [[ -z $device ]]; then
+    echo "No $KIND device found" >&2
+    exit 1
+  fi
+
+  if [[ $device == *[[:cntrl:]]* ]]; then
+    echo "Invalid $KIND device name" >&2
+    exit 1
+  fi
+}
+
+apply_device() {
+  local enabled=$1
+  local quoted=${device//\\/\\\\}
+  quoted=${quoted//\"/\\\"}
+  hyprctl eval "hl.device({ name = \"$quoted\", enabled = $enabled })" >/dev/null
+}
 
 enable() {
-  hyprctl eval "hl.device({ name = \"$device\", enabled = true })" >/dev/null
-  rm -f "$STATE_FILE"
+  # Clear the persisted state before requiring a usable device, so a device
+  # that stops reporting a valid name can never wedge the disable in place.
+  rm -f "$NAME_FILE"
+  require_device
+  apply_device true
   omarchy-osd -i "$ICON" -m "$LABEL enabled"
 }
 
 disable() {
-  hyprctl eval "hl.device({ name = \"$device\", enabled = false })" >/dev/null
-  mkdir -p "$(dirname "$STATE_FILE")"
-  printf 'hl.device({ name = "%s", enabled = false })\n' "$device" >"$STATE_FILE"
+  require_device
+  apply_device false
+  mkdir -p "$(dirname "$NAME_FILE")"
+  printf '%s\n' "$device" >"$NAME_FILE"
   omarchy-osd -i "$ICON" -m "$LABEL disabled"
 }
 
 case "$ACTION" in
   on) enable ;;
   off) disable ;;
-  toggle) if [[ -f $STATE_FILE ]]; then enable; else disable; fi ;;
+  toggle) if [[ -f $NAME_FILE ]]; then enable; else disable; fi ;;
   *)
-    echo "Usage: omarchy-toggle-input-device <touchpad|touchscreen> [on|off|toggle]" >&2
+    usage
     exit 1
     ;;
 esac

bin/omarchy-upgrade-to-quattro

@@ -1312,7 +1312,21 @@ apply_system_transition() {
     /usr/share/icons/Yaru/scalable/actions/go-next-symbolic.svg
   as_root gtk-update-icon-cache /usr/share/icons/Yaru >/dev/null 2>&1 || true
 
-  as_root install -d -m 0777 /etc/chromium/policies/managed
+  local browser_policy_helper=/usr/share/omarchy/install/helpers/browser-policy.sh
+  if ! as_root test -f "$browser_policy_helper"; then
+    warn "$browser_policy_helper is unavailable; Chromium policy directories were not hardened."
+  else
+    as_root env OMARCHY_PATH=/usr/share/omarchy \
+      bash -euo pipefail -c '
+        source "$OMARCHY_PATH/install/helpers/browser-policy.sh"
+        browser_policy_setup_dir /etc/chromium/policies/managed
+        for dir in "${BROWSER_POLICY_MANAGED_DIRS[@]}"; do
+          [[ $dir == "/etc/chromium/policies/managed" ]] && continue
+          [[ -d $dir || -L $dir ]] || continue
+          browser_policy_setup_dir "$dir"
+        done
+      '
+  fi
   as_root install -d -m 0755 /usr/lib/chromium
   printf '%s\n' '{"browser":{"theme":{"color_scheme":0,"color_scheme2":0}}}' | \
     as_root tee /usr/lib/chromium/initial_preferences >/dev/null
@@ -2302,6 +2316,11 @@ refresh_current_theme_after_upgrade() {
   # hooks because one of them runs `hyprctl reload`. Still poke terminal
   # emulators so the active upgrade terminal picks up generated theme files.
   run_as_user_omarchy omarchy-restart-terminal >/dev/null 2>&1 || true
+
+  # apply_system_transition purged user-owned color.json. Headless theme-set
+  # skipped omarchy-theme-set-browser, so rewrite the colour here.
+  run_as_user_omarchy omarchy-theme-set-browser >/dev/null 2>&1 ||
+    warn "Could not apply browser theme colour. Run 'omarchy theme set \"$theme_name\"' after reboot if Chromium's theme looks stale."
 }
 
 # Everything below mutates the system, so a non-zero exit from here on leaves a

bin/omarchy-webapp-install

@@ -13,6 +13,18 @@ safe_icon_name() {
     | sed 's/[^[:alnum:]]\+/-/g; s/^-//; s/-$//'
 }
 
+require_plain_name() {
+  # The name becomes a filename. A slash would turn it into directory levels, so
+  # the launcher lands somewhere omarchy-webapp-remove cannot address and the app
+  # is stuck in the launcher; a leading ../ leaves the applications directory
+  # altogether. Refuse rather than silently renaming what the user typed -- most
+  # often it is a URL entered in the name field.
+  if [[ $1 == */* ]]; then
+    echo "App name cannot contain '/': $1"
+    exit 1
+  fi
+}
+
 icon_name_from_ref() {
   local ref="$1"
   local name
@@ -68,6 +80,7 @@ fetch_site_icon() {
 if (( $# < 3 )); then
   echo -e "\e[32mLet's create a new web app you can start with the app launcher.\n\e[0m"
   APP_NAME=$(gum input --prompt "Name> " --placeholder "My favorite web app")
+  require_plain_name "$APP_NAME"
   APP_URL=$(gum input --prompt "URL> " --placeholder "https://example.com")
   if [[ ! $APP_URL =~ ^[a-zA-Z][a-zA-Z0-9+.-]*: ]]; then
     APP_URL="https://$APP_URL"
@@ -104,6 +117,8 @@ if [[ -z $APP_NAME || -z $APP_URL ]]; then
   exit 1
 fi
 
+require_plain_name "$APP_NAME"
+
 if [[ -z $ICON_REF ]]; then
   ICON_VALUE=$(safe_icon_name "$APP_NAME")
   mkdir -p "$ICON_DIR"
@@ -132,8 +147,9 @@ fi
 EXEC_COMMAND="${CUSTOM_EXEC:-omarchy-launch-webapp $APP_URL}"
 
 # Create application .desktop file
-DESKTOP_FILE="$HOME/.local/share/applications/$APP_NAME.desktop"
-mkdir -p "$(dirname "$DESKTOP_FILE")"
+DESKTOP_DIR="$HOME/.local/share/applications"
+DESKTOP_FILE="$DESKTOP_DIR/$APP_NAME.desktop"
+mkdir -p "$DESKTOP_DIR"
 
 cat >"$DESKTOP_FILE" <<EOF
 [Desktop Entry]

bin/omarchy-webapp-remove

@@ -9,14 +9,31 @@ ICON_DIR="$HOME/.local/share/icons/hicolor/256x256/apps"
 OLD_ICON_DIR="$HOME/.local/share/applications/icons"
 DESKTOP_DIR="$HOME/.local/share/applications/"
 
-if (( $# == 0 )); then
-  # Find all web apps
-  while IFS= read -r -d '' file; do
-    if grep -q '^Exec=.*\(omarchy-launch-webapp\|omarchy-webapp-handler\).*' "$file"; then
-      WEB_APPS+=("$(basename "${file%.desktop}")")
-    fi
-  done < <(find "$DESKTOP_DIR" -name '*.desktop' -print0)
+# Always index the launchers, so removal deletes the file that was found rather
+# than a path rebuilt from the displayed name. Installs predating the name
+# validation could nest the launcher inside directories, and those are exactly
+# the ones a reconstructed path cannot reach.
+WEB_APP_PATHS=()
+while IFS= read -r -d '' file; do
+  if grep -q '^Exec=.*\(omarchy-launch-webapp\|omarchy-webapp-handler\).*' "$file"; then
+    WEB_APPS+=("$(basename "${file%.desktop}")")
+    WEB_APP_PATHS+=("$file")
+  fi
+done < <(find "$DESKTOP_DIR" -name '*.desktop' -print0 2>/dev/null)
 
+# The launcher matching a chosen name, or empty when nothing was indexed under
+# it (an app removed between the scan and the pick, say).
+path_for_web_app() {
+  local wanted="$1" i
+  for i in "${!WEB_APPS[@]}"; do
+    if [[ ${WEB_APPS[$i]} == "$wanted" ]]; then
+      printf '%s\n' "${WEB_APP_PATHS[$i]}"
+      return 0
+    fi
+  done
+}
+
+if (( $# == 0 )); then
   if ((${#WEB_APPS[@]})); then
     mapfile -t SORTED_WEB_APPS < <(printf '%s\n' "${WEB_APPS[@]}" | sort)
     APP_NAME=$(omarchy-menu-select "Select web app to remove" "${SORTED_WEB_APPS[@]}" -- --width 520 --maxheight 520)
@@ -34,7 +51,8 @@ if [[ -z $APP_NAME ]]; then
 fi
 
 icon_name=$(printf '%s\n' "$APP_NAME" | tr '[:upper:]' '[:lower:]' | sed 's/[^[:alnum:]]\+/-/g; s/^-//; s/-$//')
-rm -f "$DESKTOP_DIR/$APP_NAME.desktop"
+desktop_file=$(path_for_web_app "$APP_NAME")
+rm -f "${desktop_file:-$DESKTOP_DIR/$APP_NAME.desktop}"
 rm -f "$ICON_DIR/$icon_name.png" "$ICON_DIR/$APP_NAME.png" "$OLD_ICON_DIR/$APP_NAME.png"
 
 if [[ ${OMARCHY_REMOVE_NOTIFY:-true} != "false" ]]; then