add: local config import and export (#84)

* add: local config import and export

* Fix import refresh flow and typings

* Clarify import refresh messaging

* Limit stored import backups

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Co-authored-by: Jason <farion1231@gmail.com>

src-tauri/src/lib.rs

@@ -3,6 +3,7 @@ mod claude_plugin;
 mod codex_config;
 mod commands;
 mod config;
+mod import_export;
 mod migration;
 mod provider;
 mod settings;
@@ -419,6 +420,10 @@ pub fn run() {
             commands::read_claude_plugin_config,
             commands::apply_claude_plugin_config,
             commands::is_claude_plugin_applied,
+            import_export::export_config_to_file,
+            import_export::import_config_from_file,
+            import_export::save_file_dialog,
+            import_export::open_file_dialog,
             update_tray_menu,
         ]);