From 78849fa0bfeef370bf077fdfb8b88dfa025d0267 Mon Sep 17 00:00:00 2001
From: Mohamed Boudra <boudra.moha@gmail.com>
Date: Wed, 11 Mar 2026 14:51:47 +0700
Subject: [PATCH] Strip \\?\ extended-length prefix from Windows resource paths

Node.js module resolver can't handle the \\?\ prefix that Tauri's
resource_dir() returns on Windows, causing EISDIR errors. Use dunce
to simplify paths before passing them to Node.
---
 packages/desktop/src-tauri/Cargo.lock             | 1 +
 packages/desktop/src-tauri/Cargo.toml             | 1 +
 packages/desktop/src-tauri/src/runtime_manager.rs | 3 ++-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/desktop/src-tauri/Cargo.lock b/packages/desktop/src-tauri/Cargo.lock
index 697ac2c8a..94884871e 100644
--- a/packages/desktop/src-tauri/Cargo.lock
+++ b/packages/desktop/src-tauri/Cargo.lock
@@ -2633,6 +2633,7 @@ version = "0.1.25"
 dependencies = [
  "base64 0.22.1",
  "dirs",
+ "dunce",
  "futures-util",
  "http",
  "log",
diff --git a/packages/desktop/src-tauri/Cargo.toml b/packages/desktop/src-tauri/Cargo.toml
index c5e9ccf32..14e5e6941 100644
--- a/packages/desktop/src-tauri/Cargo.toml
+++ b/packages/desktop/src-tauri/Cargo.toml
@@ -24,6 +24,7 @@ tauri-build = { version = "2.5.3", features = [] }
 [dependencies]
 base64 = "0.22"
 dirs = "6"
+dunce = "1"
 futures-util = "0.3"
 http = "1"
 serde_json = "1.0"
diff --git a/packages/desktop/src-tauri/src/runtime_manager.rs b/packages/desktop/src-tauri/src/runtime_manager.rs
index 227a680b1..7bf4b3880 100644
--- a/packages/desktop/src-tauri/src/runtime_manager.rs
+++ b/packages/desktop/src-tauri/src/runtime_manager.rs
@@ -560,7 +560,8 @@ fn dev_resource_root() -> PathBuf {
 }
 
 fn bundled_runtime_root(app: &AppHandle) -> Result<PathBuf, String> {
-    if let Ok(resource_dir) = app.path().resource_dir() {
+    if let Ok(raw_resource_dir) = app.path().resource_dir() {
+        let resource_dir = dunce::simplified(&raw_resource_dir).to_path_buf();
         // Tauri's bundle.resources preserves the source directory structure, so
         // "resources/**/*" in tauri.conf.json places files at
         // $RESOURCE/resources/managed-runtime/. Try the nested path first (installed