bundle standalone node runtime and fix updater prompt race condition

release.js

@@ -153,6 +153,9 @@ async function main() {
     let installerUploadName = null;
 
     if (isFullBuild) {
+        console.log('[Optional] Ensuring bundled Node.js runtime...');
+        await ensureBundledNode();
+
         console.log('[Optional] Compiling Windows Tauri installer locally...');
         execSync('npm run build', { stdio: 'inherit' });
 
@@ -190,6 +193,43 @@ async function main() {
     console.log(`[4/4] Release successfully created: ${release.name} (${release.tag_name})`);
 }
 
+function ensureBundledNode() {
+    const binDir = path.join(__dirname, 'bin');
+    const nodeExePath = path.join(binDir, 'node.exe');
+
+    if (fs.existsSync(nodeExePath) && fs.statSync(nodeExePath).size > 10000000) {
+        return Promise.resolve();
+    }
+
+    fs.mkdirSync(binDir, { recursive: true });
+    console.log('Downloading standalone Node.js runtime for bundling...');
+
+    const nodeUrl = 'https://nodejs.org/dist/v20.18.0/win-x64/node.exe';
+    return new Promise((resolve, reject) => {
+        const fileStream = fs.createWriteStream(nodeExePath);
+        https.get(nodeUrl, (res) => {
+            if (res.statusCode === 302 || res.statusCode === 301) {
+                https.get(res.headers.location, (redirectRes) => {
+                    redirectRes.pipe(fileStream);
+                    fileStream.on('finish', () => {
+                        fileStream.close();
+                        resolve();
+                    });
+                }).on('error', reject);
+                return;
+            }
+            res.pipe(fileStream);
+            fileStream.on('finish', () => {
+                fileStream.close();
+                resolve();
+            });
+        }).on('error', (err) => {
+            try { fs.unlinkSync(nodeExePath); } catch (e) { }
+            reject(err);
+        });
+    });
+}
+
 main().catch(err => {
     console.error('Release failed:', err.message);
     process.exit(1);

src-tauri/src/main.rs

@@ -35,8 +35,9 @@ fn clean_path(path: &std::path::Path) -> String {
 fn find_node_binary(app: &tauri::App) -> Option<String> {
     if let Ok(resource_dir) = app.path().resource_dir() {
         let candidates = [
-            resource_dir.join("node.exe"),
             resource_dir.join("bin").join("node.exe"),
+            resource_dir.join("node.exe"),
+            resource_dir.join("_up_").join("bin").join("node.exe"),
             resource_dir.join("_up_").join("node.exe"),
         ];
         for candidate in candidates {
@@ -46,19 +47,28 @@ fn find_node_binary(app: &tauri::App) -> Option<String> {
         }
     }
 
+    if let Ok(exe_path) = std::env::current_exe() {
+        if let Some(parent) = exe_path.parent() {
+            let candidates = [
+                parent.join("bin").join("node.exe"),
+                parent.join("node.exe"),
+                parent.join("resources").join("bin").join("node.exe"),
+                parent.join("resources").join("node.exe"),
+            ];
+            for candidate in candidates {
+                if candidate.exists() {
+                    return Some(clean_path(&candidate));
+                }
+            }
+        }
+    }
+
     if let Ok(path_var) = std::env::var("PATH") {
         for p in std::env::split_paths(&path_var) {
             let candidate = p.join("node.exe");
             if candidate.exists() {
                 return Some(clean_path(&candidate));
             }
-            #[cfg(not(windows))]
-            {
-                let candidate_unix = p.join("node");
-                if candidate_unix.exists() {
-                    return Some(clean_path(&candidate_unix));
-                }
-            }
         }
     }
 
@@ -84,15 +94,6 @@ fn find_node_binary(app: &tauri::App) -> Option<String> {
                 return Some(clean_path(&candidate));
             }
         }
-
-        if let Ok(app_data) = std::env::var("APPDATA") {
-            let candidate = std::path::PathBuf::from(app_data)
-                .join("npm")
-                .join("node.exe");
-            if candidate.exists() {
-                return Some(clean_path(&candidate));
-            }
-        }
     }
 
     None

src-tauri/tauri.conf.json

@@ -28,6 +28,7 @@
             }
         },
         "resources": [
+            "../bin/**/*",
             "../main.js",
             "../service-manager.js",
             "../patcher.js",
@@ -38,4 +39,4 @@
             "../node_modules/**/*"
         ]
     }
-}
+}