chore: snapshot before HartOMat rebrand

frontend/src/components/LiveRenderLog.tsx

@@ -62,7 +62,7 @@ export default function LiveRenderLog({
       <div className="mt-1">
         <button
           onClick={() => setExpanded((v) => !v)}
-          className="text-[10px] text-gray-400 hover:text-gray-600 flex items-center gap-1"
+          className="text-[10px] text-content-muted hover:text-content-secondary flex items-center gap-1"
         >
           <Terminal size={10} />
           Log ({entries.length})
@@ -79,11 +79,11 @@ export default function LiveRenderLog({
     <div className="mt-2">
       <button
         onClick={() => setExpanded((v) => !v)}
-        className="flex items-center gap-1.5 text-xs text-gray-500 hover:text-gray-700 mb-1"
+        className="flex items-center gap-1.5 text-xs text-content-muted hover:text-content-secondary mb-1"
       >
         <Terminal size={12} />
         <span className="font-medium">Render Log</span>
-        <span className="text-gray-400">({entries.length} entries)</span>
+        <span className="text-content-muted">({entries.length} entries)</span>
         {expanded ? <ChevronUp size={12} /> : <ChevronDown size={12} />}
       </button>
       {expanded && (

frontend/src/components/chat/ChatPanel.tsx

@@ -316,8 +316,9 @@ export default function ChatPanel({ open, onClose, contextType, contextId }: Cha
         {/* Error state */}
         {sendMut.isError && (
           <div className="flex justify-center">
-            <p className="text-xs text-red-500 bg-red-50 px-3 py-1.5 rounded-full">
-              Failed to send. Please try again.
+            <p className="text-xs text-red-500 bg-red-50 dark:bg-red-900/20 px-3 py-1.5 rounded-full text-center max-w-[80%]">
+              {(sendMut.error as { response?: { data?: { detail?: string } } })?.response?.data?.detail
+                || 'Failed to send. Please try again.'}
             </p>
           </div>
         )}