fix: fix interval reminder delete bug and simplify notification buttons

Remove pause/delete buttons from reminder notification popup (manage
via "我的提醒" list instead). Reorder delete operation to remove
scheduler job before DB record, preventing orphaned list entries.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bot/handlers/callback.py

@@ -66,9 +66,9 @@ async def handle_callback(update: Update, context: ContextTypes.DEFAULT_TYPE) ->
 
         elif action == "delete":
             title = reminder.title
+            remove_reminder_job(reminder_id)
             session.delete(reminder)
             session.commit()
-            remove_reminder_job(reminder_id)
             await query.edit_message_text(f"🗑 已删除提醒：{title}")
 
     except Exception:

bot/utils/keyboards.py

@@ -48,10 +48,6 @@ def reminder_action_keyboard(reminder_id: int) -> InlineKeyboardMarkup:
                     "⏰ 延期", callback_data=f"snooze_{reminder_id}"
                 ),
             ],
-            [
-                InlineKeyboardButton("⏸ 暂停", callback_data=f"pause_{reminder_id}"),
-                InlineKeyboardButton("🗑 删除", callback_data=f"delete_{reminder_id}"),
-            ],
         ]
     )