Move draw controls into the draw toolbar

The color picker, undo/redo, and clear eraser now live in the dedicated
draw top bar instead of the main toolbar, keeping the primary actions
(Copy/Save/Get Text) uncluttered. Keyboard shortcuts (⌘Z/⌘⇧Z) remain.

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4-flash-0731

build-app.sh

@@ -108,9 +108,9 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <key>CFBundleIconFile</key>
     <string>Icon</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.4.0</string>
+    <string>1.4.1</string>
     <key>CFBundleVersion</key>
-    <string>40</string>
+    <string>41</string>
     <key>LSUIElement</key>
     <true/>
     <key>NSHighResolutionCapable</key>