From da03510a92122fc77cec83fcf5331b2f28eec2d9 Mon Sep 17 00:00:00 2001
From: kavore <161734431+kavore@users.noreply.github.com>
Date: Sun, 8 Feb 2026 21:27:02 +0300
Subject: [PATCH] chore(security): replace silent exception swallowing across
 handlers

---
 bot/app/factories/build_services.py           |   5 +-
 bot/handlers/admin/ads.py                     |   8 +-
 bot/handlers/admin/broadcast.py               |   4 +-
 bot/handlers/admin/promo/bulk.py              |   4 +-
 bot/handlers/user/start.py                    |  48 +++---
 bot/handlers/user/subscription/core.py        | 104 ++++++------
 .../user/subscription/payment_methods.py      |  73 ++++----
 .../user/subscription/payments_crypto.py      |  25 +--
 .../user/subscription/payments_freekassa.py   |  40 ++---
 .../user/subscription/payments_platega.py     |  40 ++---
 .../user/subscription/payments_severpay.py    |  40 ++---
 .../user/subscription/payments_stars.py       |  24 +--
 .../subscription/payments_subscription.py     |  20 +--
 .../user/subscription/payments_yookassa.py    | 156 +++++++++---------
 bot/handlers/user/trial_handler.py            |  40 ++---
 bot/middlewares/channel_subscription.py       |   7 +-
 16 files changed, 322 insertions(+), 316 deletions(-)

diff --git a/bot/app/factories/build_services.py b/bot/app/factories/build_services.py
index f88a04f..6d2c1f1 100644
--- a/bot/app/factories/build_services.py
+++ b/bot/app/factories/build_services.py
@@ -1,3 +1,4 @@
+import logging
 from aiogram import Bot
 from sqlalchemy.orm import sessionmaker
 
@@ -87,8 +88,8 @@ def build_core_services(
         setattr(subscription_service, "yookassa_service", yookassa_service)
         # Allow panel webhook to trigger renewals through subscription service
         setattr(panel_webhook_service, "subscription_service", subscription_service)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/app/factories/build_services.py: %s", exc)
 
     return {
         "panel_service": panel_service,
diff --git a/bot/handlers/admin/ads.py b/bot/handlers/admin/ads.py
index ddd6027..6f66626 100644
--- a/bot/handlers/admin/ads.py
+++ b/bot/handlers/admin/ads.py
@@ -46,8 +46,8 @@ async def show_ads_menu(callback: types.CallbackQuery, settings: Settings, i18n_
     await callback.message.edit_text(text, reply_markup=reply_markup)
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/admin/ads.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("admin_ads:page:"))
@@ -262,8 +262,8 @@ async def ads_create_start(callback: types.CallbackQuery, state: FSMContext, set
     await callback.message.edit_text(_("admin_ads_create_source_prompt"))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/admin/ads.py: %s", exc)
 
 
 @router.message(
diff --git a/bot/handlers/admin/broadcast.py b/bot/handlers/admin/broadcast.py
index 221886b..9a377d2 100644
--- a/bot/handlers/admin/broadcast.py
+++ b/bot/handlers/admin/broadcast.py
@@ -171,8 +171,8 @@ async def change_broadcast_target_handler(
                 current_lang, i18n, target=new_target
             ),
         )
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/admin/broadcast.py: %s", exc)
     await callback.answer()
 
 
diff --git a/bot/handlers/admin/promo/bulk.py b/bot/handlers/admin/promo/bulk.py
index 7013275..b980c0c 100644
--- a/bot/handlers/admin/promo/bulk.py
+++ b/bot/handlers/admin/promo/bulk.py
@@ -1,5 +1,5 @@
 import logging
-import random
+import secrets
 import string
 import csv
 import io
@@ -56,7 +56,7 @@ async def create_bulk_promo_prompt_handler(callback: types.CallbackQuery,
 def generate_unique_promo_code(length: int = 8) -> str:
     """Generate a unique random promo code"""
     characters = string.ascii_uppercase + string.digits
-    return ''.join(random.choice(characters) for _ in range(length))
+    return ''.join(secrets.choice(characters) for _ in range(length))
 
 
 # Step 1: Process quantity
diff --git a/bot/handlers/user/start.py b/bot/handlers/user/start.py
index fb8eae5..2e65956 100644
--- a/bot/handlers/user/start.py
+++ b/bot/handlers/user/start.py
@@ -48,13 +48,13 @@ async def send_main_menu(target_event: Union[types.Message,
         if isinstance(target_event, types.CallbackQuery):
             try:
                 await target_event.answer(err_msg_fallback, show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
         elif isinstance(target_event, types.Message):
             try:
                 await target_event.answer(err_msg_fallback)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
         return
 
 
@@ -102,8 +102,8 @@ async def send_main_menu(target_event: Union[types.Message,
         if isinstance(target_event, types.CallbackQuery):
             try:
                 await target_event.answer()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
     except Exception as e_send_edit:
         logging.warning(
             f"Failed to send/edit main menu (user: {user_id}, is_edit: {is_edit}): {type(e_send_edit).__name__} - {e_send_edit}."
@@ -119,8 +119,8 @@ async def send_main_menu(target_event: Union[types.Message,
             try:
                 await target_event.answer(
                     _("error_occurred_try_again") if is_edit else None)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
 
 
 async def ensure_required_channel_subscription(
@@ -220,13 +220,13 @@ async def ensure_required_channel_subscription(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(error_text, show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
             if message_obj:
                 try:
                     await message_obj.answer(error_text)
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
         else:
             await event.answer(error_text)
         return False
@@ -241,13 +241,13 @@ async def ensure_required_channel_subscription(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(error_text, show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
             if message_obj:
                 try:
                     await message_obj.answer(error_text)
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
         else:
             await event.answer(error_text)
         return False
@@ -296,12 +296,12 @@ async def ensure_required_channel_subscription(
         if keyboard is None and message_obj:
             try:
                 await message_obj.answer(prompt_text)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
         try:
             await event.answer(prompt_text, show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
     else:
         await event.answer(prompt_text, reply_markup=keyboard)
 
@@ -462,8 +462,8 @@ async def start_command_handler(message: types.Message,
             logging.error(f"Failed to attribute user {user_id} to ad '{ad_start_param}': {e_attr}")
             try:
                 await session.rollback()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
 
     if not await ensure_required_channel_subscription(message, settings, i18n,
                                                       current_lang, session,
@@ -574,8 +574,8 @@ async def verify_channel_subscription_callback(
     try:
         await callback.answer(_(key="channel_subscription_verified_success"),
                               show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/start.py: %s", exc)
 
     await send_main_menu(callback,
                          settings,
diff --git a/bot/handlers/user/subscription/core.py b/bot/handlers/user/subscription/core.py
index 2f7e4db..ad9f011 100644
--- a/bot/handlers/user/subscription/core.py
+++ b/bot/handlers/user/subscription/core.py
@@ -57,8 +57,8 @@ async def display_subscription_options(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(err_msg, show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         elif isinstance(event, types.Message):
             await event.answer(err_msg)
         return
@@ -118,8 +118,8 @@ async def display_subscription_options(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(get_text("error_occurred_try_again"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
 
     if isinstance(event, types.CallbackQuery):
@@ -129,8 +129,8 @@ async def display_subscription_options(
             await target_message_obj.answer(text_content, reply_markup=reply_markup)
         try:
             await event.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     else:
         await target_message_obj.answer(text_content, reply_markup=reply_markup)
 
@@ -186,8 +186,8 @@ async def my_subscription_command_handler(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
             try:
                 await event.message.edit_text(text, reply_markup=kb)
             except Exception:
@@ -209,8 +209,8 @@ async def my_subscription_command_handler(
             if isinstance(val, (int, float)):
                 val_gb = float(val) / (2**30)
                 return f"{val_gb:.2f} GB"
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return str(val)
 
     if traffic_mode:
@@ -222,8 +222,8 @@ async def my_subscription_command_handler(
             used_val = active.get("traffic_used_bytes") or 0
             remaining_val = max(0, float(limit_val) - float(used_val))
             remaining_display = _fmt_gb(remaining_val)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         text = get_text(
             "my_traffic_details",
             status=active.get("status_from_panel", get_text("status_active")).capitalize(),
@@ -342,15 +342,15 @@ async def my_subscription_command_handler(
 
         if prepend_rows:
             kb = prepend_rows + kb
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     markup = InlineKeyboardMarkup(inline_keyboard=kb)
 
     if isinstance(event, types.CallbackQuery):
         try:
             await event.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         try:
             await event.message.edit_text(text, reply_markup=markup, parse_mode="HTML", disable_web_page_preview=True)
         except Exception:
@@ -389,8 +389,8 @@ async def my_devices_command_handler(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(get_text("my_devices_feature_disabled"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         else:
             await target.answer(get_text("my_devices_feature_disabled"))
         return
@@ -402,8 +402,8 @@ async def my_devices_command_handler(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(message, show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         else:
             await target.answer(message)
         return
@@ -413,8 +413,8 @@ async def my_devices_command_handler(
         if isinstance(event, types.CallbackQuery):
             try:
                 await event.answer(get_text("no_devices_found"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         else:
             await target.answer(get_text("no_devices_found"))
         return
@@ -475,8 +475,8 @@ async def my_devices_command_handler(
     if isinstance(event, types.CallbackQuery):
         try:
             await event.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         try:
             await event.message.edit_text(text, reply_markup=markup)
         except Exception:
@@ -502,8 +502,8 @@ async def disconnect_device_handler(
     if not settings.MY_DEVICES_SECTION_ENABLED:
         try:
             await callback.answer(get_text("my_devices_feature_disabled"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
 
     try:
@@ -511,8 +511,8 @@ async def disconnect_device_handler(
     except Exception:
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
 
     active = await subscription_service.get_active_subscription_details(session, callback.from_user.id)
@@ -549,8 +549,8 @@ async def disconnect_device_handler(
     await session.commit()
     try:
         await callback.answer(get_text("device_disconnected"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     await my_devices_command_handler(callback, i18n_data, settings, panel_service, subscription_service, session, bot)
 
 
@@ -576,8 +576,8 @@ async def toggle_autorenew_handler(
     except Exception:
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
 
     sub = await session.get(Subscription, sub_id)
@@ -592,8 +592,8 @@ async def toggle_autorenew_handler(
         if not has_saved_card:
             try:
                 await callback.answer(get_text("autorenew_enable_requires_card"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
             return
 
     # Show confirmation popup and inline buttons
@@ -604,12 +604,12 @@ async def toggle_autorenew_handler(
     except Exception:
         try:
             await callback.message.answer(confirm_text, reply_markup=kb)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     return
 
 
@@ -634,8 +634,8 @@ async def confirm_autorenew_handler(
     except Exception:
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
 
     sub = await session.get(Subscription, sub_id)
@@ -650,20 +650,20 @@ async def confirm_autorenew_handler(
         if not has_saved_card:
             try:
                 await callback.answer(get_text("autorenew_enable_requires_card"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
             try:
                 await my_subscription_command_handler(callback, i18n_data, settings, panel_service, subscription_service, session, bot)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
             return
 
     await subscription_dal.update_subscription(session, sub.subscription_id, {"auto_renew_enabled": enable})
     await session.commit()
     try:
         await callback.answer(get_text("subscription_autorenew_updated"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     await my_subscription_command_handler(callback, i18n_data, settings, panel_service, subscription_service, session, bot)
 
 
@@ -687,21 +687,21 @@ async def autorenew_cancel_from_webhook_button(
     if not sub:
         try:
             await callback.answer(get_text("subscription_not_active"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
     if sub.provider != "yookassa":
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
         return
     await subscription_dal.update_subscription(session, sub.subscription_id, {"auto_renew_enabled": False})
     await session.commit()
     try:
         await callback.answer(get_text("subscription_autorenew_updated"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/core.py: %s", exc)
     await my_subscription_command_handler(callback, i18n_data, settings, panel_service, subscription_service, session, bot)
 
 
diff --git a/bot/handlers/user/subscription/payment_methods.py b/bot/handlers/user/subscription/payment_methods.py
index efea859..03919f3 100644
--- a/bot/handlers/user/subscription/payment_methods.py
+++ b/bot/handlers/user/subscription/payment_methods.py
@@ -1,3 +1,4 @@
+import logging
 from aiogram import Router, F, types
 from typing import Optional, List
 from sqlalchemy.ext.asyncio import AsyncSession
@@ -26,8 +27,8 @@ async def payment_methods_manage(callback: types.CallbackQuery, settings: Settin
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
 
@@ -67,8 +68,8 @@ async def payment_methods_manage(callback: types.CallbackQuery, settings: Settin
     await callback.message.edit_text(text, reply_markup=get_payment_methods_list_keyboard(cards, 0, current_lang, i18n))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
 
 @router.callback_query(F.data == "pm:bind")
@@ -79,8 +80,8 @@ async def payment_method_bind(callback: types.CallbackQuery, settings: Settings,
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
 
@@ -101,8 +102,8 @@ async def payment_method_bind(callback: types.CallbackQuery, settings: Settings,
     await callback.message.edit_text(_("payment_methods_title"), reply_markup=get_bind_url_keyboard(resp["confirmation_url"], current_lang, i18n))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pm:delete_confirm"))
@@ -113,8 +114,8 @@ async def payment_method_delete_confirm(callback: types.CallbackQuery, settings:
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
     parts = callback.data.split(":", 2)
@@ -122,8 +123,8 @@ async def payment_method_delete_confirm(callback: types.CallbackQuery, settings:
     await callback.message.edit_text(_("payment_method_delete_confirm"), reply_markup=get_payment_method_delete_confirm_keyboard(pm_id, current_lang, i18n))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pm:delete"))
@@ -134,8 +135,8 @@ async def payment_method_delete(callback: types.CallbackQuery, settings: Setting
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
     parts = callback.data.split(":", 2)
@@ -156,8 +157,8 @@ async def payment_method_delete(callback: types.CallbackQuery, settings: Setting
         try:
             legacy_deleted = await user_billing_dal.delete_yk_payment_method(session, callback.from_user.id)
             deleted = deleted or legacy_deleted
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         await session.commit()
 
         methods = await list_user_payment_methods(session, callback.from_user.id)
@@ -189,15 +190,15 @@ async def payment_method_delete(callback: types.CallbackQuery, settings: Setting
         await callback.message.edit_text(f"{msg}\n\n{text}", reply_markup=get_payment_methods_list_keyboard(cards, 0, current_lang, i18n))
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     except Exception:
         await session.rollback()
         try:
             await callback.answer(_("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pm:view"))
@@ -208,8 +209,8 @@ async def payment_method_view(callback: types.CallbackQuery, settings: Settings,
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
 
@@ -262,14 +263,14 @@ async def payment_method_view(callback: types.CallbackQuery, settings: Settings,
             lp = result.scalar_one_or_none()
             if lp and lp.created_at:
                 last_tx = lp.created_at.strftime('%Y-%m-%d')
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         details = f"{title}\n{_('payment_method_added_at', date=added_at)}\n{_('payment_method_last_tx', date=last_tx)}"
         await callback.message.edit_text(details, reply_markup=get_payment_method_details_keyboard(str(sel.method_id), current_lang, i18n))
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
 
     added_at = billing.created_at.strftime('%Y-%m-%d') if getattr(billing, 'created_at', None) else "—"
@@ -289,8 +290,8 @@ async def payment_method_view(callback: types.CallbackQuery, settings: Settings,
         last_payment = result.scalar_one_or_none()
         if last_payment and last_payment.created_at:
             last_tx = last_payment.created_at.strftime('%Y-%m-%d')
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
     def _is_yoomoney_network(network: Optional[str]) -> bool:
         s = (network or "").lower()
@@ -317,8 +318,8 @@ async def payment_method_view(callback: types.CallbackQuery, settings: Settings,
     await callback.message.edit_text(details, reply_markup=get_payment_method_details_keyboard(billing.yookassa_payment_method_id, current_lang, i18n))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pm:history"))
@@ -329,8 +330,8 @@ async def payment_method_history(callback: types.CallbackQuery, settings: Settin
         try:
             _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
             await callback.answer(_("error_service_unavailable"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs) if i18n else key
 
@@ -371,8 +372,8 @@ async def payment_method_history(callback: types.CallbackQuery, settings: Settin
                     if pm.get("id") == selected_pm_provider_id:
                         filtered.append(p)
                         continue
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
         user_payments = filtered
 
     if not user_payments:
@@ -459,6 +460,6 @@ async def payment_methods_list(callback: types.CallbackQuery, settings: Settings
     await callback.message.edit_text(text, reply_markup=get_payment_methods_list_keyboard(cards, page, current_lang, i18n))
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payment_methods.py: %s", exc)
 
diff --git a/bot/handlers/user/subscription/payments_crypto.py b/bot/handlers/user/subscription/payments_crypto.py
index dba6338..450ff61 100644
--- a/bot/handlers/user/subscription/payments_crypto.py
+++ b/bot/handlers/user/subscription/payments_crypto.py
@@ -1,3 +1,4 @@
+import logging
 from typing import Optional
 
 from aiogram import F, Router, types
@@ -27,15 +28,15 @@ async def pay_crypto_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
         return
 
     if not cryptopay_service or not getattr(cryptopay_service, "configured", False):
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
         return
 
     try:
@@ -47,8 +48,8 @@ async def pay_crypto_callback_handler(
     except (ValueError, IndexError):
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -103,15 +104,15 @@ async def pay_crypto_callback_handler(
                     ),
                     disable_web_page_preview=False,
                 )
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
         return
 
     try:
         await callback.answer(get_text("error_payment_gateway"), show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_crypto.py: %s", exc)
diff --git a/bot/handlers/user/subscription/payments_freekassa.py b/bot/handlers/user/subscription/payments_freekassa.py
index 1416cfa..792fadd 100644
--- a/bot/handlers/user/subscription/payments_freekassa.py
+++ b/bot/handlers/user/subscription/payments_freekassa.py
@@ -30,20 +30,20 @@ async def pay_fk_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         return
 
     if not freekassa_service or not freekassa_service.configured:
         logging.error("FreeKassa service is not configured or unavailable.")
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         try:
             await callback.message.edit_text(get_text("payment_service_unavailable"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         return
 
     try:
@@ -56,8 +56,8 @@ async def pay_fk_callback_handler(
         logging.error(f"Invalid pay_fk data in callback: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -95,12 +95,12 @@ async def pay_fk_callback_handler(
         )
         try:
             await callback.message.edit_text(get_text("error_creating_payment_record"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
         return
 
     success, response_data = await freekassa_service.create_order(
@@ -181,12 +181,12 @@ async def pay_fk_callback_handler(
                         ),
                         disable_web_page_preview=False,
                     )
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
             try:
                 await callback.answer()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
             return
 
         logging.error(
@@ -214,9 +214,9 @@ async def pay_fk_callback_handler(
 
     try:
         await callback.message.edit_text(get_text("error_payment_gateway"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
     try:
         await callback.answer(get_text("error_payment_gateway"), show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_freekassa.py: %s", exc)
diff --git a/bot/handlers/user/subscription/payments_platega.py b/bot/handlers/user/subscription/payments_platega.py
index d7ff3e2..0934440 100644
--- a/bot/handlers/user/subscription/payments_platega.py
+++ b/bot/handlers/user/subscription/payments_platega.py
@@ -30,20 +30,20 @@ async def pay_platega_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         return
 
     if not platega_service or not platega_service.configured:
         logging.error("Platega service is not configured or unavailable.")
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         try:
             await callback.message.edit_text(get_text("payment_service_unavailable"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         return
 
     try:
@@ -56,8 +56,8 @@ async def pay_platega_callback_handler(
         logging.error(f"Invalid pay_platega data in callback: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -95,12 +95,12 @@ async def pay_platega_callback_handler(
         )
         try:
             await callback.message.edit_text(get_text("error_creating_payment_record"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
         return
 
     payload_meta = json.dumps(
@@ -183,12 +183,12 @@ async def pay_platega_callback_handler(
                         ),
                         disable_web_page_preview=False,
                     )
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
             try:
                 await callback.answer()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
             return
 
         logging.error(
@@ -210,9 +210,9 @@ async def pay_platega_callback_handler(
 
     try:
         await callback.message.edit_text(get_text("error_payment_gateway"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
     try:
         await callback.answer(get_text("error_payment_gateway"), show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_platega.py: %s", exc)
diff --git a/bot/handlers/user/subscription/payments_severpay.py b/bot/handlers/user/subscription/payments_severpay.py
index a316f7f..ca129aa 100644
--- a/bot/handlers/user/subscription/payments_severpay.py
+++ b/bot/handlers/user/subscription/payments_severpay.py
@@ -29,20 +29,20 @@ async def pay_severpay_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         return
 
     if not severpay_service or not severpay_service.configured:
         logging.error("SeverPay service is not configured or unavailable.")
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         try:
             await callback.message.edit_text(get_text("payment_service_unavailable"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         return
 
     try:
@@ -55,8 +55,8 @@ async def pay_severpay_callback_handler(
         logging.error(f"Invalid pay_severpay data in callback: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -94,12 +94,12 @@ async def pay_severpay_callback_handler(
         )
         try:
             await callback.message.edit_text(get_text("error_creating_payment_record"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
         return
 
     success, response_data = await severpay_service.create_payment(
@@ -172,12 +172,12 @@ async def pay_severpay_callback_handler(
                         ),
                         disable_web_page_preview=False,
                     )
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
             try:
                 await callback.answer()
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
             return
 
         logging.error(
@@ -199,9 +199,9 @@ async def pay_severpay_callback_handler(
 
     try:
         await callback.message.edit_text(get_text("error_payment_gateway"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
     try:
         await callback.answer(get_text("error_payment_gateway"), show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_severpay.py: %s", exc)
diff --git a/bot/handlers/user/subscription/payments_stars.py b/bot/handlers/user/subscription/payments_stars.py
index 2cb53f2..df6bef5 100644
--- a/bot/handlers/user/subscription/payments_stars.py
+++ b/bot/handlers/user/subscription/payments_stars.py
@@ -28,15 +28,15 @@ async def pay_stars_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_stars.py: %s", exc)
         return
 
     if not settings.STARS_ENABLED:
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_stars.py: %s", exc)
         return
 
     try:
@@ -48,8 +48,8 @@ async def pay_stars_callback_handler(
     except (ValueError, IndexError):
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_stars.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -89,23 +89,23 @@ async def pay_stars_callback_handler(
             logging.warning(f"Stars payment: failed to show invoice info message ({e_edit})")
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_stars.py: %s", exc)
         return
 
     try:
         await callback.answer(get_text("error_payment_gateway"), show_alert=True)
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_stars.py: %s", exc)
 
 
 @router.pre_checkout_query()
 async def handle_pre_checkout_query(query: types.PreCheckoutQuery):
     try:
         await query.answer(ok=True)
-    except Exception:
+    except Exception as exc:
         # Nothing else to do here; Telegram will show an error if not answered
-        pass
+        logging.debug("Failed to answer pre_checkout_query in payments_stars: %s", exc)
 
 
 @router.message(F.successful_payment)
diff --git a/bot/handlers/user/subscription/payments_subscription.py b/bot/handlers/user/subscription/payments_subscription.py
index 95470dd..f56654a 100644
--- a/bot/handlers/user/subscription/payments_subscription.py
+++ b/bot/handlers/user/subscription/payments_subscription.py
@@ -27,8 +27,8 @@ async def select_subscription_period_callback_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_subscription.py: %s", exc)
         return
 
     traffic_packages = getattr(settings, "traffic_packages", {}) or {}
@@ -40,8 +40,8 @@ async def select_subscription_period_callback_handler(
         logging.error(f"Invalid subscription period in callback_data: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_subscription.py: %s", exc)
         return
 
     price_source = traffic_packages if traffic_mode else settings.subscription_options
@@ -111,8 +111,8 @@ async def select_subscription_period_callback_handler(
                 )
                 try:
                     await callback.answer(get_text("error_try_again"), show_alert=True)
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_subscription.py: %s", exc)
                 return
             price_rub = 0.0
             currency_symbol_val = "⭐"
@@ -122,8 +122,8 @@ async def select_subscription_period_callback_handler(
             )
             try:
                 await callback.answer(get_text("error_try_again"), show_alert=True)
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_subscription.py: %s", exc)
             return
 
     text_content = get_text("choose_payment_method_traffic") if traffic_mode else get_text("choose_payment_method")
@@ -150,5 +150,5 @@ async def select_subscription_period_callback_handler(
         await callback.message.answer(text_content, reply_markup=reply_markup)
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_subscription.py: %s", exc)
diff --git a/bot/handlers/user/subscription/payments_yookassa.py b/bot/handlers/user/subscription/payments_yookassa.py
index 218ee14..39f99dc 100644
--- a/bot/handlers/user/subscription/payments_yookassa.py
+++ b/bot/handlers/user/subscription/payments_yookassa.py
@@ -150,15 +150,15 @@ async def _initiate_yk_payment(
         )
         try:
             await callback.message.edit_text(get_text("error_creating_payment_record"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return False
 
     if not db_payment_record:
         try:
             await callback.message.edit_text(get_text("error_creating_payment_record"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return False
 
     yookassa_metadata = {
@@ -222,8 +222,8 @@ async def _initiate_yk_payment(
                         card_network=display_network,
                         set_default=save_payment_method,
                     )
-                except Exception:
-                    pass
+                except Exception as exc:
+                    logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
                 await session.commit()
         except Exception:
             await session.rollback()
@@ -251,8 +251,8 @@ async def _initiate_yk_payment(
             )
             try:
                 await callback.message.edit_text(get_text("error_payment_gateway_link_failed"))
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
             return False
 
         try:
@@ -291,8 +291,8 @@ async def _initiate_yk_payment(
                     ),
                     disable_web_page_preview=False,
                 )
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return True
 
     if payment_response_yk and payment_method_id:
@@ -320,8 +320,8 @@ async def _initiate_yk_payment(
             )
             try:
                 await callback.message.edit_text(get_text("error_payment_gateway"))
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
             return False
 
         message_text = get_text("yookassa_autopay_charge_initiated")
@@ -337,8 +337,8 @@ async def _initiate_yk_payment(
                     message_text,
                     reply_markup=get_back_to_main_menu_markup(current_lang, i18n),
                 )
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return True
 
     try:
@@ -357,8 +357,8 @@ async def _initiate_yk_payment(
     )
     try:
         await callback.message.edit_text(get_text("error_payment_gateway"))
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
     return False
 
 
@@ -371,8 +371,8 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     if not yookassa_service or not yookassa_service.configured:
@@ -381,8 +381,8 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
         await target_msg_edit.edit_text(get_text("payment_service_unavailable"))
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -391,8 +391,8 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
         logging.error(f"Invalid pay_yk data in callback: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     parsed = _parse_offer_payload(data_payload)
@@ -400,8 +400,8 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
         logging.error(f"Invalid pay_yk payload structure: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     months, price_rub, sale_mode = parsed
@@ -448,12 +448,12 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
                         sale_mode=sale_mode,
                     ),
                 )
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     await _initiate_yk_payment(
@@ -475,8 +475,8 @@ async def pay_yk_callback_handler(callback: types.CallbackQuery, settings: Setti
     )
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pay_yk_new:"))
@@ -488,20 +488,20 @@ async def pay_yk_new_card_handler(callback: types.CallbackQuery, settings: Setti
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     if not yookassa_service or not yookassa_service.configured:
         logging.error("YooKassa service unavailable for pay_yk_new.")
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         try:
             await callback.message.edit_text(get_text("payment_service_unavailable"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -510,8 +510,8 @@ async def pay_yk_new_card_handler(callback: types.CallbackQuery, settings: Setti
         logging.error(f"Invalid pay_yk_new data in callback: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     parsed = _parse_offer_payload(data_payload)
@@ -519,8 +519,8 @@ async def pay_yk_new_card_handler(callback: types.CallbackQuery, settings: Setti
         logging.error(f"Invalid pay_yk_new payload structure: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     months, price_rub, sale_mode = parsed
@@ -550,8 +550,8 @@ async def pay_yk_new_card_handler(callback: types.CallbackQuery, settings: Setti
     )
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pay_yk_saved_list:"))
@@ -563,8 +563,8 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -573,8 +573,8 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
         logging.error(f"Invalid pay_yk_saved_list data: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     parts = data_payload.split(":")
@@ -582,8 +582,8 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
         logging.error(f"pay_yk_saved_list payload missing components: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -595,16 +595,16 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
         logging.error(f"pay_yk_saved_list payload parsing error: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     autopay_enabled = bool(settings.yookassa_autopayments_active and sale_mode != "traffic" and not settings.traffic_sale_mode)
     if not autopay_enabled:
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     user_id = callback.from_user.id
@@ -643,12 +643,12 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
                         sale_mode=sale_mode,
                     ),
                 )
-            except Exception:
-                pass
+            except Exception as exc:
+                logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     cards: List[Tuple[str, str]] = []
@@ -690,12 +690,12 @@ async def pay_yk_saved_list_handler(callback: types.CallbackQuery, settings: Set
                     sale_mode=sale_mode,
                 ),
             )
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
 
 
 @router.callback_query(F.data.startswith("pay_yk_use_saved:"))
@@ -707,20 +707,20 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
     if not i18n or not callback.message:
         try:
             await callback.answer(get_text("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     if not yookassa_service or not yookassa_service.configured:
         logging.error("YooKassa service unavailable for pay_yk_use_saved.")
         try:
             await callback.answer(get_text("payment_service_unavailable_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         try:
             await callback.message.edit_text(get_text("payment_service_unavailable"))
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -729,8 +729,8 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
         logging.error(f"Invalid pay_yk_use_saved data: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     parts = data_payload.split(":")
@@ -738,8 +738,8 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
         logging.error(f"pay_yk_use_saved payload missing components: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     try:
@@ -750,16 +750,16 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
         logging.error(f"pay_yk_use_saved months/price parsing error: {callback.data}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     autopay_enabled = bool(settings.yookassa_autopayments_active and sale_mode != "traffic" and not settings.traffic_sale_mode)
     if not autopay_enabled:
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     method_identifier = parts[2]
@@ -787,8 +787,8 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
         logging.warning(f"Selected payment method not found for user {user_id}: {method_identifier}")
         try:
             await callback.answer(get_text("error_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
         return
 
     currency_code_for_yk = "RUB"
@@ -814,5 +814,5 @@ async def pay_yk_use_saved_handler(callback: types.CallbackQuery, settings: Sett
     )
     try:
         await callback.answer()
-    except Exception:
-        pass
+    except Exception as exc:
+        logging.debug("Suppressed exception in bot/handlers/user/subscription/payments_yookassa.py: %s", exc)
diff --git a/bot/handlers/user/trial_handler.py b/bot/handlers/user/trial_handler.py
index 5356ec8..c1f442e 100644
--- a/bot/handlers/user/trial_handler.py
+++ b/bot/handlers/user/trial_handler.py
@@ -35,8 +35,8 @@ async def request_trial_confirmation_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(_("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         return
 
     show_trial_btn_in_menu_if_fail = False
@@ -53,8 +53,8 @@ async def request_trial_confirmation_handler(
         )
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         return
 
     if await subscription_service.has_had_any_subscription(session, user_id):
@@ -66,8 +66,8 @@ async def request_trial_confirmation_handler(
         )
         try:
             await callback.answer()
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         return
 
     # Directly activate trial without confirmation
@@ -84,8 +84,8 @@ async def request_trial_confirmation_handler(
     if activation_result and activation_result.get("activated"):
         try:
             await callback.answer(_("trial_activated_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
 
         end_date_obj = activation_result.get("end_date")
         config_link_display_for_trial, connect_button_url_for_trial = await prepare_config_links(
@@ -134,8 +134,8 @@ async def request_trial_confirmation_handler(
         final_message_text_in_chat = _(message_key_from_service)
         try:
             await callback.answer(final_message_text_in_chat, show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         if (
             settings.TRIAL_ENABLED
             and not await subscription_service.has_had_any_subscription(
@@ -197,15 +197,15 @@ async def confirm_activate_trial_handler(
     if not i18n or not callback.message:
         try:
             await callback.answer(_("error_occurred_try_again"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         return
 
     if not settings.TRIAL_ENABLED:
         try:
             await callback.answer(_("trial_feature_disabled"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
 
         await send_main_menu(
             callback, settings, i18n_data, subscription_service, session, is_edit=True
@@ -216,8 +216,8 @@ async def confirm_activate_trial_handler(
             await callback.answer(
                 _("trial_already_had_subscription_or_trial"), show_alert=True
             )
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         await send_main_menu(
             callback, settings, i18n_data, subscription_service, session, is_edit=True
         )
@@ -236,8 +236,8 @@ async def confirm_activate_trial_handler(
     if activation_result and activation_result.get("activated"):
         try:
             await callback.answer(_("trial_activated_alert"), show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
 
         end_date_obj = activation_result.get("end_date")
         config_link_display_for_trial, connect_button_url_for_trial = await prepare_config_links(
@@ -274,8 +274,8 @@ async def confirm_activate_trial_handler(
         final_message_text_in_chat = _(message_key_from_service)
         try:
             await callback.answer(final_message_text_in_chat, show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Suppressed exception in bot/handlers/user/trial_handler.py: %s", exc)
         if (
             settings.TRIAL_ENABLED
             and not await subscription_service.has_had_any_subscription(
diff --git a/bot/middlewares/channel_subscription.py b/bot/middlewares/channel_subscription.py
index 902c061..d6b2d93 100644
--- a/bot/middlewares/channel_subscription.py
+++ b/bot/middlewares/channel_subscription.py
@@ -32,6 +32,9 @@ class ChannelSubscriptionMiddleware(BaseMiddleware):
         event: Update,
         data: Dict[str, Any],
     ) -> Any:
+        if not self.settings.REQUIRED_CHANNEL_SUBSCRIBE_TO_USE:
+            return await handler(event, data)
+
         required_channel_id = self.settings.REQUIRED_CHANNEL_ID
         if not required_channel_id:
             return await handler(event, data)
@@ -124,8 +127,8 @@ class ChannelSubscriptionMiddleware(BaseMiddleware):
     ) -> None:
         try:
             await callback.answer(prompt_text, show_alert=True)
-        except Exception:
-            pass
+        except Exception as exc:
+            logging.debug("Failed to answer callback for channel gate prompt: %s", exc)
 
         if callback.message:
             try: