fix: title search/analyze conversations with the biomodel name instead of the first message

frontend/app/analyze/[id]/page.tsx

@@ -389,6 +389,7 @@ export default function AnalysisResultsPage({
                     surface="analyze"
                     contextId={id}
                     conversationId={conversationId}
+                    conversationTitle={biomodelData?.name || `Biomodel ${id}`}
                     onConversationSaved={(newId) =>
                       router.replace(`/analyze/${id}?c=${newId}`)
                     }

frontend/app/search/[bmid]/page.tsx

@@ -527,6 +527,7 @@ export default function BiomodelDetailPage() {
                         surface="search"
                         contextId={data.bmKey}
                         conversationId={conversationId}
+                        conversationTitle={data.name}
                         onConversationSaved={(id) =>
                           router.replace(`/search/${data.bmKey}?c=${id}`)
                         }

frontend/components/ChatBox.tsx

@@ -59,6 +59,10 @@ interface ChatBoxProps {
   surface: ConversationSurface;
   contextId?: string;
   conversationId?: string | null;
+  // Title for a newly-created conversation (e.g. the biomodel name on the
+  // search/analyze surfaces). Falls back to the user's first message when
+  // omitted, as on plain /chat.
+  conversationTitle?: string;
   onConversationSaved?: (id: string) => void;
 }
 
@@ -111,6 +115,7 @@ export const ChatBox: React.FC<ChatBoxProps> = ({
   surface,
   contextId,
   conversationId,
+  conversationTitle,
   onConversationSaved,
 }) => {
   const chatHistory = useChatHistory();
@@ -259,6 +264,7 @@ export const ChatBox: React.FC<ChatBoxProps> = ({
       contextId,
       seedMessages: existingId ? [] : localSeedMessages.map(toStoredMessage),
       userContent: msg,
+      title: conversationTitle,
       fetcher: (token, signal) =>
         fetch(`${process.env.NEXT_PUBLIC_API_URL}/query`, {
           method: "POST",
@@ -296,6 +302,7 @@ export const ChatBox: React.FC<ChatBoxProps> = ({
       contextId,
       seedMessages: existingId ? [] : localSeedMessages.map(toStoredMessage),
       userContent: displayText,
+      title: conversationTitle,
       fetcher: (token, signal) =>
         fetch(
           `${process.env.NEXT_PUBLIC_API_URL}/query/faq/${faqId}?${new URLSearchParams(

frontend/hooks/use-chat-history.tsx

@@ -32,6 +32,9 @@ interface SendMessageParams {
   // (e.g. the welcome text) alongside the new user turn.
   seedMessages: StoredMessage[];
   userContent: string;
+  // Only used when conversationId is null, as the new conversation's title.
+  // Falls back to the user's message when omitted (e.g. plain /chat).
+  title?: string;
   fetcher: (
     token: string | undefined,
     signal: AbortSignal,
@@ -141,7 +144,10 @@ export function ChatHistoryProvider({
       const conversation = buildConversation({
         surface: params.surface,
         contextId: params.contextId,
-        title: params.userContent.trim() || "New conversation",
+        title:
+          params.title?.trim() ||
+          params.userContent.trim() ||
+          "New conversation",
         messages: [...params.seedMessages, userMessage],
       });
       id = conversation.id;