fix: interval presets, back buttons, and cleaner confirmation formatting

worker/src/bot.py

@@ -150,6 +150,7 @@ def _kw_action_keyboard(kw_id: str, is_active: bool) -> InlineKeyboardMarkup:
         [InlineKeyboardButton(toggle_btn, callback_data=f"toggle:{sid}"),
          InlineKeyboardButton("✏️ Edit", callback_data=f"edit_menu:{sid}")],
         [InlineKeyboardButton("🗑 Remove", callback_data=f"remove_confirm:{sid}")],
+        [InlineKeyboardButton("↩ Back to Menu", callback_data="menu:")],
     ])
 
 
@@ -289,8 +290,8 @@ async def text_input_handler(update: Update, context: ContextTypes.DEFAULT_TYPE)
         kw_id = str(uuid.uuid4())
         await update.message.reply_text(  # type: ignore[union-attr]
             f'I will add this keyword to your watchlist:\n\n'
-            f'<blockquote>"<b>{text}</b>"</blockquote>\n\n'
-            f"Interval: <code>5 min</code> (default)\n\nLooks good?",
+            f'Keyword: <b>{text}</b>\n'
+            f'Interval: <code>5 min</code> (default)\n\nLooks good?',
             parse_mode="HTML",
             reply_markup=_confirm_add_keyboard(kw_id),
         )
@@ -306,7 +307,7 @@ async def text_input_handler(update: Update, context: ContextTypes.DEFAULT_TYPE)
 
         encoded_name = _b64(text)
         await update.message.reply_text(  # type: ignore[union-attr]
-            f'New keyword name:\n\n<blockquote>"<b>{text}</b>"</blockquote>\n\nLooks good?',
+            f'New keyword name:\n\n<b>{text}</b>\n\nLooks good?',
             parse_mode="HTML",
             reply_markup=InlineKeyboardMarkup([
                 [InlineKeyboardButton("✅ Yes", callback_data=f"confirm_name:{kw_id}:{encoded_name}"),
@@ -679,10 +680,10 @@ async def _handle_callback(update: Update, context: ContextTypes.DEFAULT_TYPE) -
             "Enter interval in minutes (1–1440):", parse_mode="HTML")
 
     elif action == "set_interval":
-        sub_parts = payload.split(":", 2)
-        if len(sub_parts) < 3:
+        sub_parts = payload.split(":", 1)
+        if len(sub_parts) < 2:
             return
-        sid, minutes_str = sub_parts[0], sub_parts[2]
+        sid, minutes_str = sub_parts[0], sub_parts[1]
         try:
             minutes = int(minutes_str)
         except ValueError: