fix(views): narrow agent/squad create dialogs from max-w-5xl to max-w-4xl

Both create dialogs were too wide at 5xl (1024px). Align with the
codebase convention for full create dialogs (create-project,
create-issue expanded) which use max-w-4xl (896px). Keeps both
modals consistent.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-authored-by: multica-agent <github@multica.ai>

packages/views/agents/components/create-agent-dialog.tsx

@@ -225,7 +225,7 @@ export function CreateAgentDialog({
 
   return (
     <Dialog open onOpenChange={(v) => { if (!v) onClose(); }}>
-      <DialogContent className="p-0 gap-0 flex flex-col overflow-hidden !top-1/2 !left-1/2 !-translate-x-1/2 !-translate-y-1/2 !w-full !max-w-5xl !h-[85vh]">
+      <DialogContent className="p-0 gap-0 flex flex-col overflow-hidden !top-1/2 !left-1/2 !-translate-x-1/2 !-translate-y-1/2 !w-full !max-w-4xl !h-[85vh]">
         <DialogHeader className="border-b px-5 py-3 space-y-0">
           <DialogTitle className="text-base font-semibold">{headerTitle}</DialogTitle>
           {isDuplicate && template && (

packages/views/modals/create-squad.tsx

@@ -142,7 +142,7 @@ export function CreateSquadModal({ onClose }: { onClose: () => void }) {
 
   return (
     <Dialog open onOpenChange={(v) => { if (!v) onClose(); }}>
-      <DialogContent className="p-0 gap-0 flex flex-col overflow-hidden !top-1/2 !left-1/2 !-translate-x-1/2 !-translate-y-1/2 !w-full !max-w-5xl !h-[85vh]">
+      <DialogContent className="p-0 gap-0 flex flex-col overflow-hidden !top-1/2 !left-1/2 !-translate-x-1/2 !-translate-y-1/2 !w-full !max-w-4xl !h-[85vh]">
         <DialogHeader className="border-b px-5 py-3 space-y-0">
           <DialogTitle className="text-base font-semibold">
             {t(($) => $.create_squad.title)}