Fix image upload: use Tauri HTTP plugin to bypass WebView fetch restrictions

src-tauri/src/lib.rs

@@ -141,6 +141,7 @@ pub fn run() {
         .plugin(tauri_plugin_opener::init())
         .plugin(tauri_plugin_updater::Builder::new().build())
         .plugin(tauri_plugin_process::init())
+        .plugin(tauri_plugin_http::init())
         .setup(|app| {
             // ── SQLite ───────────────────────────────────────────────────────
             let data_dir = app.path().app_data_dir()?;