feat: persist window size and position between sessions

Add tauri-plugin-window-state to remember window geometry.

Author: kbzowski

src-tauri/Cargo.lock

@@ -58,6 +58,7 @@ rand = "0.8"
 
 # Secure credential storage
 keyring = { version = "3", features = ["apple-native", "windows-native", "sync-secret-service"] }
+tauri-plugin-window-state = "2"
 
 # Windows-specific enhanced notifications
 [target.'cfg(windows)'.dependencies]

src-tauri/Cargo.toml

@@ -124,6 +124,7 @@ pub fn run() {
             tauri_plugin_autostart::MacosLauncher::LaunchAgent,
             Some(vec!["--minimized"]),
         ))
+        .plugin(tauri_plugin_window_state::Builder::new().build())
         .plugin(tauri_plugin_updater::Builder::new().build())
         .setup(|app| {
             // Initialize database