block · zanesq · Feb 20, 2026
diff --git a/ui/desktop/src/App.tsx b/ui/desktop/src/App.tsx
@@ -84,17 +84,23 @@ const PairRouteWrapper = ({
 
   const resumeSessionId = searchParams.get('resumeSessionId') ?? undefined;
   const recipeDeeplinkFromConfig = window.appConfig?.get('recipeDeeplink') as string | undefined;
+  const recipeIdFromConfig = window.appConfig?.get('recipeId') as string | undefined;
   const initialMessage = routeState.initialMessage;
 
-  // Create session if we have an initialMessage or recipeDeeplink but no sessionId
+  // Create session if we have an initialMessage, recipeDeeplink, or recipeId but no sessionId
   useEffect(() => {
-    if ((initialMessage || recipeDeeplinkFromConfig) && !resumeSessionId && !isCreatingSession) {
+    if (
+      (initialMessage || recipeDeeplinkFromConfig || recipeIdFromConfig) &&
+      !resumeSessionId &&
+      !isCreatingSession
+    ) {
       setIsCreatingSession(true);
 
       (async () => {
         try {
           const newSession = await createSession(getInitialWorkingDir(), {
             recipeDeeplink: recipeDeeplinkFromConfig,
+            recipeId: recipeIdFromConfig,
             allExtensions: extensionsList,
           });
 
@@ -126,7 +132,14 @@ const PairRouteWrapper = ({
     // Note: isCreatingSession is intentionally NOT in the dependency array
     // It's only used as a guard to prevent concurrent session creation
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [initialMessage, recipeDeeplinkFromConfig, resumeSessionId, setSearchParams, extensionsList]);
+  }, [
+    initialMessage,
+    recipeDeeplinkFromConfig,
+    recipeIdFromConfig,
+    resumeSessionId,
+    setSearchParams,
+    extensionsList,
+  ]);
 
   // Add resumed session to active sessions if not already there
   useEffect(() => {
@@ -450,7 +463,7 @@ export function AppInner() {
       if ((isMac ? event.metaKey : event.ctrlKey) && event.key === 'n') {
         event.preventDefault();
         try {
-          window.electron.createChatWindow(undefined, getInitialWorkingDir());
+          window.electron.createChatWindow({ dir: getInitialWorkingDir() });
         } catch (error) {
           console.error('Error creating new window:', error);
         }

diff --git a/ui/desktop/src/components/LauncherView.tsx b/ui/desktop/src/components/LauncherView.tsx
@@ -10,7 +10,7 @@ export default function LauncherView() {
     if (query.trim()) {
       const initialMessage = query;
       setQuery('');
-      window.electron.createChatWindow(initialMessage, getInitialWorkingDir());
+      window.electron.createChatWindow({ query: initialMessage, dir: getInitialWorkingDir() });
       setTimeout(() => {
         window.electron.closeWindow();
       }, 200);

diff --git a/ui/desktop/src/components/Layout/AppLayout.tsx b/ui/desktop/src/components/Layout/AppLayout.tsx
@@ -84,10 +84,9 @@ const AppLayoutContent: React.FC<AppLayoutContentProps> = ({ activeSessions }) =
   };
 
   const handleNewWindow = () => {
-    window.electron.createChatWindow(
-      undefined,
-      window.appConfig.get('GOOSE_WORKING_DIR') as string | undefined
-    );
+    window.electron.createChatWindow({
+      dir: window.appConfig.get('GOOSE_WORKING_DIR') as string | undefined,
+    });
   };
 
   return (

diff --git a/ui/desktop/src/components/ParameterInputModal.tsx b/ui/desktop/src/components/ParameterInputModal.tsx
@@ -75,7 +75,7 @@ const ParameterInputModal: React.FC<ParameterInputModalProps> = ({
     if (option === 'new-chat') {
       try {
         const workingDir = getInitialWorkingDir();
-        window.electron.createChatWindow(undefined, workingDir);
+        window.electron.createChatWindow({ dir: workingDir });
         window.electron.hideWindow();
       } catch (error) {
         console.error('Error creating new window:', error);

diff --git a/ui/desktop/src/components/recipes/CreateEditRecipeModal.tsx b/ui/desktop/src/components/recipes/CreateEditRecipeModal.tsx
@@ -1,12 +1,6 @@
 import React, { useState, useEffect, useCallback } from 'react';
 import { useForm } from '@tanstack/react-form';
-import {
-  Recipe,
-  generateDeepLink,
-  Parameter,
-  encodeRecipe,
-  stripEmptyExtensions,
-} from '../../recipe';
+import { Recipe, generateDeepLink, Parameter } from '../../recipe';
 import { Check, ExternalLink, Play, Save, X } from 'lucide-react';
 import { Geese } from '../icons/Geese';
 import Copy from '../icons/Copy';
@@ -333,21 +327,12 @@ export default function CreateEditRecipeModal({
     try {
       const recipe = getCurrentRecipe();
 
-      await saveRecipe(recipe, recipeId);
+      const savedId = await saveRecipe(recipe, recipeId);
 
       // Close modal first
       onClose(true);
 
-      // Encode the recipe as a deeplink before passing to the new window
-      const encodedRecipe = await encodeRecipe(stripEmptyExtensions(recipe));
-      window.electron.createChatWindow(
-        undefined,
-        undefined,
-        undefined,
-        undefined,
-        undefined,
-        encodedRecipe
-      );
+      window.electron.createChatWindow({ recipeId: savedId });
 
       toastSuccess({
         title: recipe.title,

diff --git a/ui/desktop/src/components/recipes/CreateRecipeFromSessionModal.tsx b/ui/desktop/src/components/recipes/CreateRecipeFromSessionModal.tsx
@@ -1,6 +1,6 @@
 import { useState, useEffect } from 'react';
 import { useForm } from '@tanstack/react-form';
-import { Recipe, encodeRecipe, stripEmptyExtensions } from '../../recipe';
+import { Recipe } from '../../recipe';
 import { Geese } from '../icons/Geese';
 import { X, Save, Play, Loader2 } from 'lucide-react';
 import { Button } from '../ui/button';
@@ -182,21 +182,13 @@ export default function CreateRecipeFromSessionModal({
             : undefined,
       };
 
-      await saveRecipe(recipe, null);
+      const recipeId = await saveRecipe(recipe, null);
 
       onRecipeCreated?.(recipe);
       onClose();
 
       if (runAfterSave) {
-        const encodedRecipe = await encodeRecipe(stripEmptyExtensions(recipe));
-        window.electron.createChatWindow(
-          undefined,
-          undefined,
-          undefined,
-          undefined,
-          undefined,
-          encodedRecipe
-        );
+        window.electron.createChatWindow({ recipeId });
       }
     } catch (error) {
       console.error('Failed to create recipe:', error);

diff --git a/ui/desktop/src/components/recipes/RecipesView.tsx b/ui/desktop/src/components/recipes/RecipesView.tsx
@@ -32,7 +32,7 @@ import {
 } from '../../api';
 import ImportRecipeForm, { ImportRecipeButton } from './ImportRecipeForm';
 import CreateEditRecipeModal from './CreateEditRecipeModal';
-import { generateDeepLink, encodeRecipe, Recipe, stripEmptyExtensions } from '../../recipe';
+import { generateDeepLink } from '../../recipe';
 import { useNavigation } from '../../hooks/useNavigation';
 import { CronPicker } from '../schedule/CronPicker';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '../ui/dialog';
@@ -139,12 +139,12 @@ export default function RecipesView() {
     }
   };
 
-  const handleStartRecipeChat = async (recipe: Recipe) => {
+  const handleStartRecipeChat = async (recipeId: string) => {
     try {
       const newAgent = await startAgent({
         body: {
           working_dir: getInitialWorkingDir(),
-          recipe: stripEmptyExtensions(recipe) as Recipe,
+          recipe_id: recipeId,
         },
         throwOnError: true,
       });
@@ -165,17 +165,13 @@ export default function RecipesView() {
     }
   };
 
-  const handleStartRecipeChatInNewWindow = async (recipe: Recipe) => {
+  const handleStartRecipeChatInNewWindow = async (recipeId: string) => {
     try {
-      const encodedRecipe = await encodeRecipe(stripEmptyExtensions(recipe) as Recipe);
-      window.electron.createChatWindow(
-        undefined,
-        getInitialWorkingDir(),
-        undefined,
-        undefined,
-        'pair',
-        encodedRecipe
-      );
+      window.electron.createChatWindow({
+        dir: getInitialWorkingDir(),
+        viewType: 'pair',
+        recipeId,
+      });
       trackRecipeStarted(true, undefined, true);
     } catch (error) {
       console.error('Failed to open recipe in new window:', error);
@@ -509,9 +505,9 @@ export default function RecipesView() {
 
         <div className="flex items-center gap-2 shrink-0">
           <Button
-            onClick={(e) => {
+            onClick={async (e) => {
               e.stopPropagation();
-              handleStartRecipeChat(recipe);
+              await handleStartRecipeChat(recipeManifestResponse.id);
             }}
             size="sm"
             className="h-8 w-8 p-0"
@@ -520,9 +516,9 @@ export default function RecipesView() {
             <Play className="w-4 h-4" />
           </Button>
           <Button
-            onClick={(e) => {
+            onClick={async (e) => {
               e.stopPropagation();
-              handleStartRecipeChatInNewWindow(recipe);
+              await handleStartRecipeChatInNewWindow(recipeManifestResponse.id);
             }}
             variant="outline"
             size="sm"
@@ -532,9 +528,9 @@ export default function RecipesView() {
             <ExternalLink className="w-4 h-4" />
           </Button>
           <Button
-            onClick={(e) => {
+            onClick={async (e) => {
               e.stopPropagation();
-              handleEditRecipe(recipeManifestResponse);
+              await handleEditRecipe(recipeManifestResponse);
             }}
             variant="outline"
             size="sm"

diff --git a/ui/desktop/src/components/sessions/SessionListView.tsx b/ui/desktop/src/components/sessions/SessionListView.tsx
@@ -536,13 +536,11 @@ const SessionListView: React.FC<SessionListViewProps> = React.memo(
 
     const handleOpenInNewWindow = useCallback((session: Session, e: React.MouseEvent) => {
       e.stopPropagation();
-      window.electron.createChatWindow(
-        undefined,
-        session.working_dir,
-        undefined,
-        session.id,
-        'pair'
-      );
+      window.electron.createChatWindow({
+        dir: session.working_dir,
+        resumeSessionId: session.id,
+        viewType: 'pair',
+      });
     }, []);
 
     const SessionItem = React.memo(function SessionItem({