功能：完善2K串流、显示恢复与输入优化

tools/deploy_display_guard.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+# Install only X11 display recovery; keep the kiosk/Moonlight session running.
+set -euo pipefail
+
+BOX="${VDI_BOX:-armbian@192.168.1.188}"
+REPO="$(cd "$(dirname "$0")/.." && pwd)"
+SRC="$REPO/terminal/kiosk-shell"
+STAGE=$(ssh -o BatchMode=yes -o ConnectTimeout=8 "$BOX" 'mktemp -d /tmp/vdi-display-deploy.XXXXXX')
+scp -q "$SRC/scripts/vdi-display-guard" "$SRC/scripts/vdi-kiosk-start" \
+    "$SRC/etc/vdi-display-guard.service" "$BOX:$STAGE/"
+ssh "$BOX" bash -s -- "$STAGE" <<'REMOTE'
+set -euo pipefail
+stage=$1
+backup="$HOME/vdi-terminal/backups/display-guard-$(date +%Y%m%d-%H%M%S)"
+mkdir -p "$backup" "$HOME/vdi-terminal/bin" "$HOME/.config/systemd/user"
+for file in "$HOME/vdi-terminal/bin/vdi-kiosk-start" \
+    "$HOME/vdi-terminal/bin/vdi-display-guard" \
+    "$HOME/.config/systemd/user/vdi-display-guard.service"; do
+    test ! -f "$file" || cp -p "$file" "$backup/"
+done
+sed -i 's/\r$//' "$stage/"*
+python3 -c 'import ast, sys; ast.parse(open(sys.argv[1]).read())' "$stage/vdi-display-guard"
+sh -n "$stage/vdi-kiosk-start"
+install -m 0755 "$stage/vdi-display-guard" "$stage/vdi-kiosk-start" "$HOME/vdi-terminal/bin/"
+install -m 0644 "$stage/vdi-display-guard.service" "$HOME/.config/systemd/user/"
+
+# Correct only this monitor's known stale layout; preserve all other layouts.
+python3 - "$backup" <<'PY'
+from pathlib import Path
+import shutil
+import sys
+import xml.etree.ElementTree as ET
+path = Path.home() / '.config/monitors.xml'
+if path.exists():
+    tree = ET.parse(path)
+    changed = False
+    for output in tree.findall('.//output'):
+        if (output.get('name') == 'HDMI-1'
+            and output.findtext('vendor') == 'GWR'
+            and output.findtext('product') == '0x2708'
+            and output.findtext('width') == '1920'
+            and output.findtext('height') == '1440'
+            and output.findtext('rate') == '75'):
+            for name, value in [('width', '2560'), ('height', '1440'), ('rate', '60')]:
+                output.find(name).text = value
+            changed = True
+    if changed:
+        shutil.copy2(path, Path(sys.argv[1]) / 'monitors.xml')
+        temp = path.with_name('monitors.xml.vdi-new')
+        tree.write(temp, encoding='utf-8', xml_declaration=True)
+        temp.replace(path)
+        print('Updated known stale MATE layout to 2560x1440@60')
+PY
+systemctl --user daemon-reload
+systemctl --user enable vdi-display-guard.service
+systemctl --user restart vdi-display-guard.service
+systemctl --user is-active vdi-display-guard.service
+echo "Backup: $backup"
+# Only remove the three files uploaded by this deployment.
+rm -- "$stage/vdi-display-guard" "$stage/vdi-kiosk-start" "$stage/vdi-display-guard.service"
+rmdir -- "$stage"
+REMOTE