Workcat: cute desktop cat, no window closing

Reworks the example into a pure desktop-pet: the cat wanders, sits, grooms,
stretches, dashes and naps, reacts to petting and dragging, and follows the
cursor with its eyes. The window-scanning and Accessibility code is gone.

The cat is drawn from rounded primitives plus Shape paths in a fixed 100x90
design space, so it scales cleanly to any size.

Linux/X11 is the primary target: the tray is optional, Wayland gets a warning,
and WORKCAT_X11_BYPASS / WORKCAT_OPAQUE cover uncooperative window managers.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

Info.plist.in

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>            <string>English</string>
+    <key>CFBundleExecutable</key>                   <string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
+    <key>CFBundleIdentifier</key>                   <string>${MACOSX_BUNDLE_GUI_IDENTIFIER}</string>
+    <key>CFBundleInfoDictionaryVersion</key>        <string>6.0</string>
+    <key>CFBundleName</key>                         <string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
+    <key>CFBundlePackageType</key>                  <string>APPL</string>
+    <key>CFBundleShortVersionString</key>           <string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
+    <key>CFBundleVersion</key>                      <string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
+    <key>LSMinimumSystemVersion</key>               <string>12.0</string>
+    <key>LSUIElement</key>                          <true/>
+    <key>NSHighResolutionCapable</key>              <true/>
+    <key>NSSupportsAutomaticGraphicsSwitching</key> <true/>
+</dict>
+</plist>