Added login shell script for headless remote control.

1920x1200resolution.sh

@@ -0,0 +1,61 @@
+#!/bin/zsh
+# Headless (no-remote-monitor), run this at login
+
+function check_modifier_keys() {
+  python -c 'import Cocoa; print(Cocoa.NSEvent.modifierFlags() == 0)'
+}
+
+function set_display_resolution() {
+  local target_resolution="$1"
+  local target_hz="$2"
+  local target_color_depth="$3"
+  local target_scaling="$4"
+  local target_origin="$5"
+  local target_degree="$6"
+  local target_type="$7"
+
+  local display_list
+  display_list=$(displayplacer list)
+
+  local persistent_id
+  local found_type
+
+  while IFS= read -r line; do
+    if [[ "$line" == "Type: "* ]]; then
+      local type="${line#*Type: }"
+      if [[ "$type" == "$target_type" ]]; then
+        found_type="$type" # Store the found type
+        while IFS= read -r prev_line; do
+          if [[ "$prev_line" == "Persistent screen id: "* ]]; then
+            persistent_id="${prev_line#*Persistent screen id: }"
+            break 2 # Break out of both loops
+          fi
+        done <<< "$(head -n $(($LINENO - 1)) <<< "$display_list")"
+      fi
+    fi
+  done <<< "$display_list"
+
+  if [[ -n "$persistent_id" ]]; then
+    if $(check_modifier_keys); then
+      displayplacer "id:$persistent_id res:$target_resolution hz:$target_hz color_depth:$target_color_depth scaling:$target_scaling origin:$target_origin degree:$target_degree"
+    else
+      echo "Modifier keys pressed. bypassing screen resolution command..."
+    fi
+
+    # Final display
+    echo "Display Type: $found_type"
+    echo "Persistent ID: $persistent_id"
+    echo "Current Mode:"
+    displayplacer list | grep "id:$persistent_id" -A 50 | grep " <-- current mode"
+  else
+    echo "Screen type '$target_type' not found"
+  fi
+}
+
+# Customize your usage here...
+
+# Example usage for a MacBook built-in screen
+set_display_resolution "1920x1200" "60" "4" "on" "(0,0)" "0" "MacBook built in screen"
+
+# Example usage for an external display (replace with actual values)
+# set_display_resolution "2560x1440" "60" "4" "on" "(0,0)" "0" "External Display Type"