feat(bundle): add the Tauri editor with shared Dark+ language support

Add a single-document Monaco editor, native file dialogs, save handling and
prefilled input/output panels. Reuse the plugin's grammar and editor core.
Verify frontend behavior and compile the desktop app on Linux.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/bundle/src-tauri/src/main.rs b/bundle/src-tauri/src/main.rs
new file mode 100644
index 0000000..34b1b70
--- /dev/null
+++ b/bundle/src-tauri/src/main.rs
@@ -0,0 +1,19 @@
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+#[tauri::command]
+fn read_file(path: String) -> Result<String, String> {
+    std::fs::read_to_string(path).map_err(|error| error.to_string())
+}
+
+#[tauri::command]
+fn write_file(path: String, text: String) -> Result<(), String> {
+    std::fs::write(path, text).map_err(|error| error.to_string())
+}
+
+fn main() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_dialog::init())
+        .invoke_handler(tauri::generate_handler![read_file, write_file])
+        .run(tauri::generate_context!())
+        .expect("Could not start CPSC Bundle");
+}