I add command /admin /vadmin /iadmin /hello I create database and I improve code

It's version 0.3.0

storage/message_storage.py

@@ -1,23 +1,29 @@
-import os
+from .DB import get_db
 
-MESSAGES_FILE = "storage/message.txt"
-
-# --- функция для записи message_id ---
 def save_message(chat_id: int, message_id: int):
-    with open(MESSAGES_FILE, "a", encoding="utf-8") as f:
-        f.write(f"{chat_id},{message_id}\n")
+    db = get_db()
+    cur = db.cursor()
+    cur.execute("INSERT INTO message VALUES (?, ?)", (int(chat_id), int(message_id)))
+    db.commit()
+    cur.close()
+    db.close()
 
-# --- функция для загрузки всех сообщений ---
 def load_messages():
-    if not os.path.exists(MESSAGES_FILE):
-        return []
-    with open(MESSAGES_FILE, "r", encoding="utf-8") as f:
-        lines = f.readlines()
-    return [tuple(map(int, line.strip().split(","))) for line in lines if line.strip()]
+    db = get_db()
+    cur = db.cursor()
+    cur.execute("SELECT * FROM message")
+    rows = cur.fetchall()
+    cur.close()
+    db.close()
+    return rows
 
-# --- функция для очистки файла ---
 def clear_messages():
-    open(MESSAGES_FILE, "w").close()
+    db = get_db()
+    cur = db.cursor()
+    cur.execute("DELETE FROM message")
+    db.commit()
+    cur.close()
+    db.close()