Persist Tauri window state between launches (#5871)

frontend/src-tauri/Cargo.lock

@@ -4171,6 +4171,7 @@ dependencies = [
  "tauri-plugin-shell",
  "tauri-plugin-single-instance",
  "tauri-plugin-store",
+ "tauri-plugin-window-state",
  "tiny_http",
  "tokio",
  "url",
@@ -4678,6 +4679,21 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tauri-plugin-window-state"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73736611e14142408d15353e21e3cca2f12a3cfb523ad0ce85999b6d2ef1a704"
+dependencies = [
+ "bitflags 2.11.0",
+ "log",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-plugin",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "tauri-runtime"
 version = "2.10.0"

frontend/src-tauri/Cargo.toml

@@ -34,6 +34,7 @@ tauri-plugin-single-instance = { version = "2.3.7", features = ["deep-link"] }
 tauri-plugin-store = "2.4.2"
 tauri-plugin-opener = "2.5.3"
 tauri-plugin-deep-link = "2.4.6"
+tauri-plugin-window-state = "2.2.1"
 keyring = { version = "3.6.1", features = ["apple-native", "windows-native"] }
 tokio = { version = "1.0", features = ["time", "sync"] }
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls", "rustls-tls-native-roots"] }

frontend/src-tauri/capabilities/default.json

@@ -54,6 +54,9 @@
     "dialog:allow-open",
     "dialog:allow-save",
     "opener:default",
-    "shell:allow-open"
+    "shell:allow-open",
+    "window-state:allow-filename",
+    "window-state:allow-restore-state",
+    "window-state:allow-save-window-state"
   ]
 }

frontend/src-tauri/src/lib.rs

@@ -60,6 +60,7 @@ pub fn run() {
     .plugin(tauri_plugin_http::init())
     .plugin(tauri_plugin_store::Builder::new().build())
     .plugin(tauri_plugin_deep_link::init())
+    .plugin(tauri_plugin_window_state::Builder::default().build())
     .manage(AppConnectionState::default())
     .plugin(tauri_plugin_single_instance::init(|app, args, _cwd| {
       // This callback runs when a second instance tries to start