feat: implement basic web app

frontend/src/core/thread/utils.ts

@@ -0,0 +1,27 @@
+import type { BaseMessage } from "@langchain/core/messages";
+
+import type { MessageThread } from "./types";
+
+export function pathOfThread(thread: MessageThread, includeAssistantId = true) {
+  if (includeAssistantId) {
+    return `/workspace/chats/${thread.thread_id}`;
+  }
+  return `/workspace/chats/${thread.thread_id}`;
+}
+
+export function textOfMessage(message: BaseMessage) {
+  if (typeof message.content === "string") {
+    return message.content;
+  } else if (Array.isArray(message.content)) {
+    return message.content.find((part) => part.type === "text" && part.text)
+      ?.text as string;
+  }
+  return null;
+}
+
+export function titleOfThread(thread: MessageThread) {
+  if (thread.values && "title" in thread.values) {
+    return thread.values.title as string;
+  }
+  return "Untitled";
+}