fix(settings): wrap WebView2 env override in unsafe block for Rust 1.82+

src-tauri/src/lib.rs

@@ -77,8 +77,12 @@ mod tauri_app {
                 tokens.push(arg.to_string());
             }
         }
+        // SAFETY: called before any tokio worker or plugin thread spawns, so
+        // no concurrent `getenv` can race. `set_var` is `unsafe` since Rust 1.82.
+        unsafe {
             std::env::set_var(ENV_KEY, tokens.join(" "));
         }
+    }
 
     #[cfg_attr(mobile, tauri::mobile_entry_point)]
     pub fn run() {