diff --git a/ui/desktop/src/main.ts b/ui/desktop/src/main.ts
index 9ed1f91c9d86..d76945471d1e 100644
--- a/ui/desktop/src/main.ts
+++ b/ui/desktop/src/main.ts
@@ -202,7 +202,7 @@ if (process.platform === 'win32') {
             const recentDirs = loadRecentDirs();
             const openDir = recentDirs.length > 0 ? recentDirs[0] : null;
 
-            const recipeDeeplink = parsedUrl.searchParams.get('config');
+            const recipeDeeplink = parseRecipeDeeplink(protocolUrl);
             const scheduledJobId = parsedUrl.searchParams.get('scheduledJob');
 
             createChat(
@@ -319,6 +319,8 @@ async function processProtocolUrl(parsedUrl: URL, window: BrowserWindow) {
   pendingDeepLink = null;
 }
 
+let windowDeeplinkURL: string | null = null;
+
 app.on('open-url', async (_event, url) => {
   if (process.platform !== 'win32') {
     const parsedUrl = new URL(url);
@@ -329,7 +331,10 @@ app.on('open-url', async (_event, url) => {
     console.log('[Main] Received open-url event:', url);
     if (parsedUrl.hostname === 'bot' || parsedUrl.hostname === 'recipe') {
       console.log('[Main] Detected bot/recipe URL, creating new chat window');
-      const recipeDeeplink = parsedUrl.searchParams.get('config');
+      let recipeDeeplink = parseRecipeDeeplink(url);
+      if (recipeDeeplink) {
+        windowDeeplinkURL = url;
+      }
       const scheduledJobId = parsedUrl.searchParams.get('scheduledJob');
 
       // Create a new window directly
@@ -1037,12 +1042,52 @@ const openDirectoryDialog = async (): Promise<OpenDialogReturnValue> => {
     }
 
     addRecentDir(dirToAdd);
+
+    let recipeDeeplink: string | undefined = undefined;
+    if (windowDeeplinkURL) {
+      recipeDeeplink = parseRecipeDeeplink(windowDeeplinkURL);
+    }
     // Create a new window with the selected directory
-    await createChat(app, undefined, dirToAdd);
+    await createChat(
+      app,
+      undefined,
+      dirToAdd,
+      undefined,
+      undefined,
+      undefined,
+      undefined,
+      recipeDeeplink
+    );
   }
   return result;
 };
 
+function parseRecipeDeeplink(url: string): string | undefined {
+  const parsedUrl = new URL(url);
+  let recipeDeeplink = parsedUrl.searchParams.get('config');
+  if (recipeDeeplink && !url.includes(recipeDeeplink)) {
+    // URLSearchParams decodes + as space, which can break encoded configs
+    // Parse raw query to preserve "+" characters in values like config
+    const search = parsedUrl.search || '';
+    // parse recipe deeplink from search params
+    const configMatch = search.match(/(?:[?&])config=([^&]*)/);
+    // get recipe deeplink from config match
+    let recipeDeeplinkTmp = configMatch ? configMatch[1] : null;
+    if (recipeDeeplinkTmp) {
+      try {
+        recipeDeeplink = decodeURIComponent(recipeDeeplinkTmp);
+      } catch {
+        // Leave as-is if decoding fails
+        return undefined;
+      }
+    }
+  }
+  if (recipeDeeplink) {
+    return recipeDeeplink;
+  }
+  return undefined;
+}
+
 // Global error handler
 const handleFatalError = (error: Error) => {
   const windows = BrowserWindow.getAllWindows();