fixz save settingas

frontend/src/components/ChatView.jsx

@@ -100,10 +100,35 @@ export default function ChatView({ chatId }) {
 
   const saveSettings = useCallback(async () => {
     try {
-      await updateChat(state.token, chatId, { model, max_tokens: maxTokens, reasoning_budget: reasoningBudget, knowledge_base_id: selectedKbId || "", linked_repo_id: selectedRepoId || "" });
-      dispatch({ type: "UPDATE_CHAT", chat: { id: chatId, model, max_tokens: maxTokens, reasoning_budget: reasoningBudget, knowledge_base_id: selectedKbId, linked_repo_id: selectedRepoId } });
+      await updateChat(state.token, chatId, {
+        model,
+        max_tokens: maxTokens,
+        reasoning_budget: reasoningBudget,
+        knowledge_base_id: selectedKbId || "",
+        linked_repo_id: selectedRepoId || "",
+      });
+
+      // ── THIS IS THE FIX ──
+      // Build the full linked_repo object from the local repos list
+      // so the UI immediately sees the repo banner, commit buttons, etc.
+      const repoObj = selectedRepoId
+        ? repos.find(r => r.id === selectedRepoId) || null
+        : null;
+
+      dispatch({
+        type: "UPDATE_CHAT",
+        chat: {
+          id: chatId,
+          model,
+          max_tokens: maxTokens,
+          reasoning_budget: reasoningBudget,
+          knowledge_base_id: selectedKbId,
+          linked_repo_id: selectedRepoId,
+          linked_repo: repoObj,           // ← was missing
+        },
+      });
     } catch { }
-  }, [state.token, chatId, model, maxTokens, reasoningBudget, selectedKbId, selectedRepoId, dispatch]);
+  }, [state.token, chatId, model, maxTokens, reasoningBudget, selectedKbId, selectedRepoId, repos, dispatch]);
 
   function toggleSettings() { if (showSettings) saveSettings(); setShowSettings(!showSettings); }
   function addFiles(files) { setPendingFiles(prev => [...prev, ...files.map(f => ({ file: f, type: classifyFile(f), preview: classifyFile(f) === "image" ? URL.createObjectURL(f) : null }))]); }