story-kit: accept 145_story_persist_chat_history_to_localstorage_across_rebuilds

frontend/src/components/Chat.tsx

@@ -4,6 +4,7 @@ import { Prism as SyntaxHighlighter } from "react-syntax-highlighter";
 import { oneDark } from "react-syntax-highlighter/dist/esm/styles/prism";
 import type { PipelineState } from "../api/client";
 import { api, ChatWebSocket } from "../api/client";
+import { useChatHistory } from "../hooks/useChatHistory";
 import type { Message, ProviderConfig, ToolCall } from "../types";
 import { AgentPanel } from "./AgentPanel";
 import { ChatHeader } from "./ChatHeader";
@@ -55,7 +56,7 @@ interface ChatProps {
 }
 
 export function Chat({ projectPath, onCloseProject }: ChatProps) {
-	const [messages, setMessages] = useState<Message[]>([]);
+	const { messages, setMessages, clearMessages } = useChatHistory(projectPath);
 	const [input, setInput] = useState("");
 	const [loading, setLoading] = useState(false);
 	const [model, setModel] = useState("llama3.1");
@@ -458,7 +459,7 @@ export function Chat({ projectPath, onCloseProject }: ChatProps) {
 				console.error("Failed to cancel chat:", e);
 			}
 
-			setMessages([]);
+			clearMessages();
 			setStreamingContent("");
 			setLoading(false);
 			setActivityStatus(null);