refactor!: rewrite bot core; add AI (Ollama, Gemini), DB, new commands

src/model/stored-message.ts

@@ -0,0 +1,8 @@
+export type StoredMessage = {
+    chatId: number;
+    messageId: number;
+    replyToMessageId?: number | null;
+    fromId: number;
+    text: string;
+    date: number;
+};

src/model/stored-user.ts

@@ -0,0 +1,8 @@
+export type StoredUser = {
+    id: number;
+    isBot: boolean;
+    firstName: string;
+    lastName?: string;
+    userName?: string;
+    isPremium?: boolean;
+}

src/model/web-search-response.ts

@@ -0,0 +1,5 @@
+export interface WebSearchResponse {
+    title: string;
+    url: string;
+    content: string;
+}