diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index bc141fb..9a6308e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -33,17 +33,8 @@
     </configurations>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="e1fe3ab0-3650-4fca-8664-a247d5dfa457" name="Changes" comment="Add `TestFrontend` documentation and `UndoSystem` buffer reference update.&#10;&#10;- Document `TestFrontend` for programmatic testing, including examples and usage details.&#10;- Add `UpdateBufferReference` to `UndoSystem` to support updating buffer associations.">
-      <change afterPath="$PROJECT_DIR$/TestFrontend.h" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/TestInputHandler.h" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/TestRenderer.h" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    <list default="true" id="e1fe3ab0-3650-4fca-8664-a247d5dfa457" name="Changes" comment="Remove `packaging.cmake`, deprecate `test_undo` setup, and add new testing infrastructure.&#10;&#10;- Delete `packaging.cmake` to streamline build system.&#10;- Deprecate `test_undo` in CMake setup; condition builds on `BUILD_TESTS`.&#10;- Introduce `TestFrontend`, `TestRenderer`, and `TestInputHandler` for structured testing.&#10;- Update `GUIInputHandler` and `Command` for enhanced buffer save handling and overwrite confirmation.&#10;- Enhance kill ring operations and new prompt workflows in `Editor`.">
       <change beforePath="$PROJECT_DIR$/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/CMakeLists.txt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/Command.cc" beforeDir="false" afterPath="$PROJECT_DIR$/Command.cc" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/Editor.h" beforeDir="false" afterPath="$PROJECT_DIR$/Editor.h" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/GUIInputHandler.cc" beforeDir="false" afterPath="$PROJECT_DIR$/GUIInputHandler.cc" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/TerminalInputHandler.cc" beforeDir="false" afterPath="$PROJECT_DIR$/TerminalInputHandler.cc" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/cmake/packaging.cmake" beforeDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -171,7 +162,7 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1764457173148</updated>
-      <workItem from="1764457174208" duration="42780000" />
+      <workItem from="1764457174208" duration="42867000" />
     </task>
     <task id="LOCAL-00001" summary="Add undo/redo infrastructure and buffer management additions.">
       <option name="closed" value="true" />
@@ -221,7 +212,15 @@
       <option name="project" value="LOCAL" />
       <updated>1764500200942</updated>
     </task>
-    <option name="localTasksCounter" value="7" />
+    <task id="LOCAL-00007" summary="Remove `packaging.cmake`, deprecate `test_undo` setup, and add new testing infrastructure.&#10;&#10;- Delete `packaging.cmake` to streamline build system.&#10;- Deprecate `test_undo` in CMake setup; condition builds on `BUILD_TESTS`.&#10;- Introduce `TestFrontend`, `TestRenderer`, and `TestInputHandler` for structured testing.&#10;- Update `GUIInputHandler` and `Command` for enhanced buffer save handling and overwrite confirmation.&#10;- Enhance kill ring operations and new prompt workflows in `Editor`.">
+      <option name="closed" value="true" />
+      <created>1764501532446</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1764501532446</updated>
+    </task>
+    <option name="localTasksCounter" value="8" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -241,7 +240,8 @@
     <MESSAGE value="Add `UndoSystem` implementation and refactor `UndoNode` for simplicity." />
     <MESSAGE value="Add non-linear undo/redo design documentation and improve `UndoSystem` with backspace batching and GUI integration fixes." />
     <MESSAGE value="Add `TestFrontend` documentation and `UndoSystem` buffer reference update.&#10;&#10;- Document `TestFrontend` for programmatic testing, including examples and usage details.&#10;- Add `UpdateBufferReference` to `UndoSystem` to support updating buffer associations." />
-    <option name="LAST_COMMIT_MESSAGE" value="Add `TestFrontend` documentation and `UndoSystem` buffer reference update.&#10;&#10;- Document `TestFrontend` for programmatic testing, including examples and usage details.&#10;- Add `UpdateBufferReference` to `UndoSystem` to support updating buffer associations." />
+    <MESSAGE value="Remove `packaging.cmake`, deprecate `test_undo` setup, and add new testing infrastructure.&#10;&#10;- Delete `packaging.cmake` to streamline build system.&#10;- Deprecate `test_undo` in CMake setup; condition builds on `BUILD_TESTS`.&#10;- Introduce `TestFrontend`, `TestRenderer`, and `TestInputHandler` for structured testing.&#10;- Update `GUIInputHandler` and `Command` for enhanced buffer save handling and overwrite confirmation.&#10;- Enhance kill ring operations and new prompt workflows in `Editor`." />
+    <option name="LAST_COMMIT_MESSAGE" value="Remove `packaging.cmake`, deprecate `test_undo` setup, and add new testing infrastructure.&#10;&#10;- Delete `packaging.cmake` to streamline build system.&#10;- Deprecate `test_undo` in CMake setup; condition builds on `BUILD_TESTS`.&#10;- Introduce `TestFrontend`, `TestRenderer`, and `TestInputHandler` for structured testing.&#10;- Update `GUIInputHandler` and `Command` for enhanced buffer save handling and overwrite confirmation.&#10;- Enhance kill ring operations and new prompt workflows in `Editor`." />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7194b9..cd9db2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,7 +149,7 @@ if (${BUILD_GUI})
     # On macOS, build kge as a proper .app bundle
     if (APPLE)
         # Configure Info.plist with version and identifiers
-        set(KGE_BUNDLE_ID "dev.kyle.kge")
+        set(KGE_BUNDLE_ID "dev.wntrmute.kge")
         configure_file(
                 ${CMAKE_CURRENT_LIST_DIR}/cmake/Info.plist.in
                 ${CMAKE_CURRENT_BINARY_DIR}/kge-Info.plist
diff --git a/cmake/Info.plist.in b/cmake/Info.plist.in
new file mode 100644
index 0000000..2b94ed8
--- /dev/null
+++ b/cmake/Info.plist.in
@@ -0,0 +1,26 @@
+<?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>en</string>
+    <key>CFBundleExecutable</key>
+    <string>kge</string>
+    <key>CFBundleIdentifier</key>
+    <string>@KGE_BUNDLE_ID@</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>kge</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>@KTE_VERSION@</string>
+    <key>CFBundleVersion</key>
+    <string>@KTE_VERSION@</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>10.13</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+</dict>
+</plist>