Ask for Wayland directly in the Hermes launcher

Chromium falls back to XWayland often enough to matter, and the result is a
blurry window on every scaled display -- the same reason the ChatGPT and Grok
Bot launchers set this. Skipped when the caller has already named a platform.

pkgbuilds/hermes-desktop/PKGBUILD

@@ -64,7 +64,7 @@ source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/refs/tags/v${pkgver}.tar.gz
         'hermes-desktop.desktop'
         'hermes-desktop.png')
 sha256sums=('1e3d39d3638ec15fa9d31af262568a953e9272090deb1c50c44cd401175f5b80'
-            '716978c836ad46aa4ad173366d3a5d322c174fadf2f8095e6ce81301e1cad048'
+            'f6d06594c2a60a01c369992e44b20afcaf92d8f454a822dc6fccad67d4b6c58b'
             'a71e5b3599515b97ea694d51771edede69107a221f301f91c088a5d81de7a8c0'
             'd60d164e24fdcf6532133b8ea43c77a201e4b9e9dbc396187b58d51d8590ef52')
 

pkgbuilds/hermes-desktop/hermes-desktop.sh

@@ -1,12 +1,12 @@
 #!/bin/bash
+set -euo pipefail
 
 # The desktop app is only a shell: it runs `hermes serve` against a Hermes CLI
 # it does not ship. Finding none, it clones its own copy with the upstream
 # install script -- an unpinned checkout in ~/.hermes that no package manages.
 #
-# So make sure the CLI is there first. Omarchy installs it with its own script;
-# elsewhere, say so rather than letting the app quietly bootstrap a second
-# Hermes behind the user's back.
+# command -v rather than omarchy-cmd-present: no other launcher in this repo
+# makes a package depend on omarchy, and this has to behave on a plain Arch box.
 if ! command -v hermes >/dev/null 2>&1; then
   if command -v omarchy-install-hermes-cli >/dev/null 2>&1; then
     omarchy-install-hermes-cli --now
@@ -16,4 +16,18 @@ if ! command -v hermes >/dev/null 2>&1; then
   fi
 fi
 
-exec /opt/hermes-desktop/Hermes "$@"
+# Chromium's own Ozone detection falls back to XWayland often enough to matter,
+# and the result is a blurry window on every scaled display. Ask for Wayland
+# directly, unless the user has already picked a platform themselves.
+platform_flags=()
+if [[ -n "${WAYLAND_DISPLAY:-}" || ${XDG_SESSION_TYPE:-} == wayland ]]; then
+  platform_flags=(--ozone-platform=wayland)
+
+  for flag in "$@"; do
+    case "$flag" in
+    --ozone-platform=* | --ozone-platform-hint=*) platform_flags=() ;;
+    esac
+  done
+fi
+
+exec /opt/hermes-desktop/Hermes "${platform_flags[@]}" "$@"