Prevent multiple agent creation and improve mutation handling

Co-authored-by: markokraemer.mail <markokraemer.mail@gmail.com>

frontend/src/app/(dashboard)/agents/page.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useState, useMemo, useEffect } from 'react';
+import React, { useState, useMemo, useEffect, useCallback } from 'react';
 import { toast } from 'sonner';
 import { usePathname, useRouter, useSearchParams } from 'next/navigation';
 
@@ -82,6 +82,7 @@ export default function AgentsPage() {
   const [publishDialog, setPublishDialog] = useState<PublishDialogData | null>(null);
   const [publishTags, setPublishTags] = useState<string[]>([]);
   const [publishingAgentId, setPublishingAgentId] = useState<string | null>(null);
+  const [isCreatingNewAgent, setIsCreatingNewAgent] = useState(false);
 
   const activeTab = useMemo(() => {
     return searchParams.get('tab') || 'my-agents';
@@ -250,9 +251,20 @@ export default function AgentsPage() {
     setEditDialogOpen(true);
   };
 
-  const handleCreateNewAgent = () => {
-    createNewAgentMutation.mutate();
-  };
+  const handleCreateNewAgent = useCallback(() => {
+    if (isCreatingNewAgent || createNewAgentMutation.isPending) {
+      return; // Prevent multiple clicks
+    }
+    
+    setIsCreatingNewAgent(true);
+    
+    createNewAgentMutation.mutate(undefined, {
+      onSettled: () => {
+        // Reset the debounce state after mutation completes (success or error)
+        setTimeout(() => setIsCreatingNewAgent(false), 1000);
+      }
+    });
+  }, [isCreatingNewAgent, createNewAgentMutation]);
 
   const handleInstallClick = (item: MarketplaceTemplate, e?: React.MouseEvent) => {
     if (e) {

frontend/src/components/agents/create-agent-dialog.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useCallback } from 'react';
 import { Button } from '@/components/ui/button';
 import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog';
 import { Input } from '@/components/ui/input';
@@ -48,6 +48,7 @@ export const CreateAgentDialog = ({ isOpen, onOpenChange, onAgentCreated }: Crea
   const [searchQuery, setSearchQuery] = useState<string>('');
   const [selectedCategory, setSelectedCategory] = useState<string>('All');
   const [formData, setFormData] = useState<AgentCreateRequest>(initialFormData);
+  const [isSubmitting, setIsSubmitting] = useState(false);
 
   const createAgentMutation = useCreateAgent();
   useEffect(() => {
@@ -109,19 +110,24 @@ export const CreateAgentDialog = ({ isOpen, onOpenChange, onAgentCreated }: Crea
     return tools;
   };
 
-  const handleSubmit = async () => {
-    if (!formData.name.trim()) {
+  const handleSubmit = useCallback(async () => {
+    if (!formData.name.trim() || isSubmitting || createAgentMutation.isPending) {
       return;
     }
 
+    setIsSubmitting(true);
+
     try {
       await createAgentMutation.mutateAsync(formData);
       onOpenChange(false);
       onAgentCreated?.();
     } catch (error) {
       console.error('Error creating agent:', error);
+    } finally {
+      // Reset the debounce state after a delay
+      setTimeout(() => setIsSubmitting(false), 1000);
     }
-  };
+  }, [formData, isSubmitting, createAgentMutation, onOpenChange, onAgentCreated]);
 
   const handleCancel = () => {
     onOpenChange(false);
@@ -306,16 +312,16 @@ export const CreateAgentDialog = ({ isOpen, onOpenChange, onAgentCreated }: Crea
             <Button 
               variant="outline"
               onClick={handleCancel}
-              disabled={createAgentMutation.isPending}
+              disabled={createAgentMutation.isPending || isSubmitting}
               className="px-6"
             >
               Cancel
             </Button>
             <Button 
               onClick={handleSubmit}
-              disabled={createAgentMutation.isPending || !formData.name.trim()}
+              disabled={createAgentMutation.isPending || isSubmitting || !formData.name.trim()}
             >
-              {createAgentMutation.isPending ? (
+              {createAgentMutation.isPending || isSubmitting ? (
                 <>
                   <Loader2 className="h-4 w-4 animate-spin" />
                   Creating Agent

frontend/src/components/thread/chat-input/agent-selector.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useState, useRef, useEffect } from 'react';
+import React, { useState, useRef, useEffect, useCallback } from 'react';
 import { Settings, ChevronRight, Bot, Presentation, FileSpreadsheet, Search, Plus, User, Check, ChevronDown } from 'lucide-react';
 import Image from 'next/image';
 import { Button } from '@/components/ui/button';
@@ -61,6 +61,7 @@ export const AgentSelector: React.FC<AgentSelectorProps> = ({
   const [isOpen, setIsOpen] = useState(false);
   const [searchQuery, setSearchQuery] = useState('');
   const [highlightedIndex, setHighlightedIndex] = useState<number>(-1);
+  const [isCreatingAgent, setIsCreatingAgent] = useState(false);
   const searchInputRef = useRef<HTMLInputElement>(null);
   const router = useRouter();
 
@@ -169,10 +170,21 @@ export const AgentSelector: React.FC<AgentSelectorProps> = ({
     router.push('/agents');
   };
 
-  const handleCreateAgent = () => {
+  const handleCreateAgent = useCallback(() => {
+    if (isCreatingAgent || createNewAgentMutation.isPending) {
+      return; // Prevent multiple clicks
+    }
+    
+    setIsCreatingAgent(true);
     setIsOpen(false);
-    createNewAgentMutation.mutate();
-  };
+    
+    createNewAgentMutation.mutate(undefined, {
+      onSettled: () => {
+        // Reset the debounce state after mutation completes (success or error)
+        setTimeout(() => setIsCreatingAgent(false), 1000);
+      }
+    });
+  }, [isCreatingAgent, createNewAgentMutation]);
 
   const renderAgentItem = (agent: any, index: number) => {
     const isSelected = agent.id === selectedAgentId;
@@ -339,10 +351,11 @@ export const AgentSelector: React.FC<AgentSelectorProps> = ({
                 variant="ghost"
                 size="sm"
                 onClick={handleCreateAgent}
-                className="text-xs flex items-center gap-2 rounded-xl hover:bg-accent/40 transition-all duration-200 text-muted-foreground hover:text-foreground px-4 py-2"
+                disabled={isCreatingAgent || createNewAgentMutation.isPending}
+                className="text-xs flex items-center gap-2 rounded-xl hover:bg-accent/40 transition-all duration-200 text-muted-foreground hover:text-foreground px-4 py-2 disabled:opacity-50"
               >
                 <Plus className="h-3.5 w-3.5" />
-                Create Agent
+                {isCreatingAgent || createNewAgentMutation.isPending ? 'Creating...' : 'Create Agent'}
               </Button>
             </div>
           </div>