fix: #3174 should prompt to confirm to delete chat

app/store/chat.ts

@@ -85,33 +85,6 @@ function getSummarizeModel(currentModel: string) {
   return currentModel.startsWith("gpt") ? SUMMARIZE_MODEL : currentModel;
 }
 
-interface ChatStore {
-  sessions: ChatSession[];
-  currentSessionIndex: number;
-  clearSessions: () => void;
-  moveSession: (from: number, to: number) => void;
-  selectSession: (index: number) => void;
-  newSession: (mask?: Mask) => void;
-  deleteSession: (index: number) => void;
-  currentSession: () => ChatSession;
-  nextSession: (delta: number) => void;
-  onNewMessage: (message: ChatMessage) => void;
-  onUserInput: (content: string) => Promise<void>;
-  summarizeSession: () => void;
-  updateStat: (message: ChatMessage) => void;
-  updateCurrentSession: (updater: (session: ChatSession) => void) => void;
-  updateMessage: (
-    sessionIndex: number,
-    messageIndex: number,
-    updater: (message?: ChatMessage) => void,
-  ) => void;
-  resetSession: () => void;
-  getMessagesWithMemory: () => ChatMessage[];
-  getMemoryPrompt: () => ChatMessage;
-
-  clearAllData: () => void;
-}
-
 function countMessages(msgs: ChatMessage[]) {
   return msgs.reduce((pre, cur) => pre + estimateTokenLength(cur.content), 0);
 }