Improve toolbar styles (#27)

* Improve create task styles

* Improve styles

* Improve existing attempt styles

* Update TaskDetailsToolbar.tsx

* Show existing attempt

* Button rearrangement

* Cleanup

* FE fixes

frontend/src/components/tasks/TaskDetailsHeader.tsx

@@ -51,7 +51,7 @@ export function TaskDetailsHeader({
   const [isDescriptionExpanded, setIsDescriptionExpanded] = useState(false);
 
   return (
-    <div className="border-b">
+    <div>
       {/* Title and Task Actions */}
       <div className="p-6 pb-4">
         <div className="flex items-start justify-between">

frontend/src/components/tasks/TaskDetailsPanel.tsx

@@ -56,11 +56,9 @@ export function TaskDetailsPanel({
     isAttemptRunning,
     canSendFollowUp,
     processedDevServerLogs,
-    setSelectedExecutor,
     setFollowUpMessage,
     setFollowUpError,
     setIsHoveringDevServer,
-    setSelectedBranch,
     handleAttemptChange,
     createNewAttempt,
     stopAllExecutions,
@@ -158,8 +156,6 @@ export function TaskDetailsPanel({
                 onAttemptChange={handleAttemptChange}
                 onCreateNewAttempt={createNewAttempt}
                 onStopAllExecutions={stopAllExecutions}
-                onSetSelectedExecutor={setSelectedExecutor}
-                onSetSelectedBranch={setSelectedBranch}
                 onStartDevServer={startDevServer}
                 onStopDevServer={stopDevServer}
                 onOpenInEditor={handleOpenInEditor}