feat: auto-promote group creator AND DM user to admin

- Groups: group creator auto-promoted to admin via /start
- DMs: user automatically becomes admin of their own DM

apps/telegram-bot/commands.py

@@ -468,6 +468,9 @@ async def cmd_start(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
             "/my — your tracked bounties"
         )
     else:
+        if not BOUNTY_SERVICE.is_admin(room_id, user_id):
+            BOUNTY_SERVICE.add_admin(room_id, user_id, user_id)
+
         await update.message.reply_text(
             "👻 JIGAIDO activated.\n\n"
             "Personal bounty list ready.\n"