refactor(chat): remove frontend state saves

src/components/chat/chatStorage.ts

@@ -27,13 +27,6 @@ export const createEmptyChatState = (): LoadedChatState => ({
 const sanitizeMessages = (messages: Message[] | undefined) =>
   Array.isArray(messages) ? cloneMessages(messages) : [];
 
-const hasChatContent = (state: {
-  messages: Message[];
-  sessionId?: string;
-}) =>
-  state.messages.length > 0 ||
-  Boolean(state.sessionId);
-
 const compareSessionsByAnchorTime = (
   left: Pick<ChatSessionSummary, "id" | "createdAt" | "updatedAt">,
   right: Pick<ChatSessionSummary, "id" | "createdAt" | "updatedAt">,
@@ -113,64 +106,6 @@ const fetchBackendChatSession = async (sessionId: string): Promise<LoadedChatSta
   };
 };
 
-const createBackendChatSession = async (payload?: {
-  sessionId?: string;
-  parentSessionId?: string;
-}) => {
-  const response = await apiFetch(`${config.AGENT_URL}/api/v1/agent/chat/session`, {
-    method: "POST",
-    headers: {
-      "Content-Type": "application/json",
-    },
-    body: JSON.stringify({
-      session_id: payload?.sessionId,
-      parent_session_id: payload?.parentSessionId,
-    }),
-    projectHeaderMode: "include",
-    userHeaderMode: "include",
-    skipAuthRedirect: true,
-  });
-  if (!response.ok) {
-    throw new Error(await response.text());
-  }
-  const body = (await response.json()) as {
-    session_id?: string;
-  };
-  const sessionId = body.session_id?.trim();
-  if (!sessionId) {
-    throw new Error("backend did not return session_id");
-  }
-  return sessionId;
-};
-
-const saveBackendChatState = async (
-  sessionId: string,
-  state: LoadedChatState,
-): Promise<string> => {
-  const response = await apiFetch(
-    `${config.AGENT_URL}/api/v1/agent/chat/session/${encodeURIComponent(sessionId)}`,
-    {
-      method: "PUT",
-      headers: {
-        "Content-Type": "application/json",
-      },
-      body: JSON.stringify({
-        title: normalizeTitle(state.title),
-        is_title_manually_edited: state.isTitleManuallyEdited ?? false,
-        messages: sanitizeMessages(state.messages),
-      }),
-      projectHeaderMode: "include",
-      userHeaderMode: "include",
-      skipAuthRedirect: true,
-    },
-  );
-  if (!response.ok) {
-    throw new Error(await response.text());
-  }
-  const payload = (await response.json()) as { id?: string; session_id?: string };
-  return payload.id ?? payload.session_id ?? sessionId;
-};
-
 const updateBackendChatSessionTitle = async (
   sessionId: string,
   title: string,
@@ -212,27 +147,6 @@ const deleteBackendChatSession = async (sessionId: string) => {
   }
 };
 
-export const saveActiveChatState = async (
-  state: LoadedChatState,
-): Promise<string | undefined> => {
-  if (typeof window === "undefined") return state.sessionId;
-
-  if (!hasChatContent(state)) {
-    return undefined;
-  }
-
-  let backendSessionId = state.sessionId;
-  if (!backendSessionId) {
-    backendSessionId = await createBackendChatSession();
-  }
-
-  const savedSessionId = await saveBackendChatState(backendSessionId, {
-    ...state,
-    sessionId: backendSessionId,
-  });
-  return savedSessionId;
-};
-
 export const listChatSessions = async (): Promise<ChatSessionSummary[]> => {
   if (typeof window === "undefined") return [];
   return await fetchBackendChatSessions();