fix(frontend): minor copilot UI fixes

autogpt_platform/backend/backend/api/features/chat/config.py

@@ -93,18 +93,6 @@ class ChatConfig(BaseSettings):
         description="Name of the prompt in Langfuse to fetch",
     )
 
-    # Extended thinking configuration for Claude models
-    thinking_enabled: bool = Field(
-        default=True,
-        description="Enable extended thinking for Claude models via OpenRouter",
-    )
-    thinking_budget_tokens: int = Field(
-        default=10000,
-        ge=1000,
-        le=100000,
-        description="Maximum tokens for extended thinking (budget_tokens for Claude)",
-    )
-
     @field_validator("api_key", mode="before")
     @classmethod
     def get_api_key(cls, v):

autogpt_platform/backend/backend/api/features/chat/service.py

@@ -80,19 +80,6 @@ settings = Settings()
 client = openai.AsyncOpenAI(api_key=config.api_key, base_url=config.base_url)
 
 
-def _apply_thinking_config(extra_body: dict[str, Any], model: str) -> None:
-    """Apply extended thinking configuration for Anthropic models via OpenRouter.
-
-    OpenRouter's reasoning API expects either:
-    - {"max_tokens": N} for explicit token budget
-    - {"effort": "high"} for automatic budget
-
-    See: https://openrouter.ai/docs/reasoning-tokens
-    """
-    if config.thinking_enabled and "anthropic" in model.lower():
-        extra_body["reasoning"] = {"max_tokens": config.thinking_budget_tokens}
-
-
 langfuse = get_client()
 
 # Redis key prefix for tracking running long-running operations
@@ -1079,9 +1066,6 @@ async def _stream_chat_chunks(
                         :128
                     ]  # OpenRouter limit
 
-                # Enable extended thinking for Anthropic models via OpenRouter
-                _apply_thinking_config(extra_body, model)
-
                 api_call_start = time_module.perf_counter()
                 stream = await client.chat.completions.create(
                     model=model,
@@ -1845,9 +1829,6 @@ async def _generate_llm_continuation(
         if session_id:
             extra_body["session_id"] = session_id[:128]
 
-        # Enable extended thinking for Anthropic models via OpenRouter
-        _apply_thinking_config(extra_body, config.model)
-
         retry_count = 0
         last_error: Exception | None = None
         response = None
@@ -1978,9 +1959,6 @@ async def _generate_llm_continuation_with_streaming(
         if session_id:
             extra_body["session_id"] = session_id[:128]
 
-        # Enable extended thinking for Anthropic models via OpenRouter
-        _apply_thinking_config(extra_body, config.model)
-
         # Make streaming LLM call (no tools - just text response)
         from typing import cast
 

autogpt_platform/frontend/src/app/(platform)/copilot/CopilotPage.tsx

@@ -1,11 +1,11 @@
 "use client";
 
-import { LoadingSpinner } from "@/components/atoms/LoadingSpinner/LoadingSpinner";
 import { SidebarProvider } from "@/components/ui/sidebar";
 import { ChatContainer } from "./components/ChatContainer/ChatContainer";
 import { ChatSidebar } from "./components/ChatSidebar/ChatSidebar";
 import { MobileDrawer } from "./components/MobileDrawer/MobileDrawer";
 import { MobileHeader } from "./components/MobileHeader/MobileHeader";
+import { ScaleLoader } from "./components/ScaleLoader/ScaleLoader";
 import { useCopilotPage } from "./useCopilotPage";
 
 export function CopilotPage() {
@@ -34,7 +34,11 @@ export function CopilotPage() {
   } = useCopilotPage();
 
   if (isUserLoading || !isLoggedIn) {
-    return <LoadingSpinner size="large" cover />;
+    return (
+      <div className="fixed inset-0 z-50 flex items-center justify-center bg-[#f8f8f9]">
+        <ScaleLoader className="text-neutral-400" />
+      </div>
+    );
   }
 
   return (

autogpt_platform/frontend/src/app/(platform)/copilot/components/ChatMessagesContainer/ChatMessagesContainer.tsx

@@ -143,10 +143,10 @@ export const ChatMessagesContainer = ({
 
   return (
     <Conversation className="min-h-0 flex-1">
-      <ConversationContent className="gap-6 px-3 py-6">
+      <ConversationContent className="flex min-h-screen flex-1 flex-col gap-6 px-3 py-6">
         {isLoading && messages.length === 0 && (
-          <div className="flex flex-1 items-center justify-center">
-            <LoadingSpinner size="large" className="text-neutral-400" />
+          <div className="flex min-h-full flex-1 items-center justify-center">
+            <LoadingSpinner className="text-neutral-600" />
           </div>
         )}
         {messages.map((message, messageIndex) => {

autogpt_platform/frontend/src/app/(platform)/copilot/components/ChatSidebar/ChatSidebar.tsx

@@ -121,8 +121,8 @@ export function ChatSidebar() {
             className="mt-4 flex flex-col gap-1"
           >
             {isLoadingSessions ? (
-              <div className="flex items-center justify-center py-4">
-                <LoadingSpinner size="small" className="text-neutral-400" />
+              <div className="flex min-h-[30rem] items-center justify-center py-4">
+                <LoadingSpinner size="small" className="text-neutral-600" />
               </div>
             ) : sessions.length === 0 ? (
               <p className="py-4 text-center text-sm text-neutral-500">

autogpt_platform/frontend/src/app/(platform)/copilot/components/ScaleLoader/ScaleLoader.module.css

@@ -0,0 +1,35 @@
+.loader {
+  width: 48px;
+  height: 48px;
+  display: inline-block;
+  position: relative;
+}
+
+.loader::after,
+.loader::before {
+  content: "";
+  box-sizing: border-box;
+  width: 100%;
+  height: 100%;
+  border-radius: 50%;
+  background: currentColor;
+  position: absolute;
+  left: 0;
+  top: 0;
+  animation: animloader 2s linear infinite;
+}
+
+.loader::after {
+  animation-delay: 1s;
+}
+
+@keyframes animloader {
+  0% {
+    transform: scale(0);
+    opacity: 1;
+  }
+  100% {
+    transform: scale(1);
+    opacity: 0;
+  }
+}

autogpt_platform/frontend/src/app/(platform)/copilot/components/ScaleLoader/ScaleLoader.tsx

@@ -0,0 +1,16 @@
+import { cn } from "@/lib/utils";
+import styles from "./ScaleLoader.module.css";
+
+interface Props {
+  size?: number;
+  className?: string;
+}
+
+export function ScaleLoader({ size = 48, className }: Props) {
+  return (
+    <div
+      className={cn(styles.loader, className)}
+      style={{ width: size, height: size }}
+    />
+  );
+}

autogpt_platform/frontend/src/app/(platform)/copilot/tools/CreateAgent/CreateAgent.tsx

@@ -155,7 +155,7 @@ export function CreateAgentTool({ part }: Props) {
         >
           {isOperating && (
             <ContentGrid>
-              <ProgressBar value={progress} className="max-w-[280px]" />
+              <ProgressBar value={progress} />
               <ContentHint>
                 This could take a few minutes, grab a coffee ☕
               </ContentHint>