diff --git a/src/glitchup_bot/bot/handlers/commands.py b/src/glitchup_bot/bot/handlers/commands.py
index 5de10d8..db0cd4d 100644
--- a/src/glitchup_bot/bot/handlers/commands.py
+++ b/src/glitchup_bot/bot/handlers/commands.py
@@ -13,13 +13,12 @@ from aiogram.types import CallbackQuery, Message
 from glitchup_bot.bot.keyboards import (
     admin_home_keyboard,
     admin_overview_keyboard,
+    admin_recipient_group_keyboard,
+    admin_recipients_keyboard,
     admin_result_keyboard,
     admin_sync_keyboard,
     help_home_keyboard,
-    help_monitoring_keyboard,
-    help_releases_keyboard,
     help_result_keyboard,
-    help_subscriptions_keyboard,
 )
 from glitchup_bot.services.admins import (
     add_admin,
@@ -30,8 +29,6 @@ from glitchup_bot.services.admins import (
 from glitchup_bot.services.digest_builder import (
     build_digest,
     build_project_summary,
-    build_release_detail,
-    build_release_summary,
     build_stale_issues,
     build_sync_status,
     build_today_summary,
@@ -52,12 +49,14 @@ from glitchup_bot.services.routing import (
     set_project_group,
     set_topic_override,
 )
+from glitchup_bot.services.sync_service import get_last_sync_state
 
 router = Router()
 logger = logging.getLogger(__name__)
 MAX_PAGE_CHARS = 3000
 MAX_PAGE_LINES = 18
 MAX_PAGINATION_SESSIONS = 200
+PENDING_RECIPIENT_ACTIONS: dict[int, tuple[str, str]] = {}
 
 
 @dataclass(slots=True)
@@ -148,97 +147,46 @@ def _result_keyboard(
 
 
 def _help_text(is_admin: bool) -> str:
+    return "\n".join(
+        [
+            "<b>GlitchUp Bot</b>",
+            "",
+            "Выберите нужную сводку кнопками ниже.",
+            "Пользователю доступны только базовые экраны.",
+            "",
+            "• Сегодня",
+            "• Неделя",
+            "• Самые шумные",
+            "• Давно висят",
+            *(["", "• Для управления откройте админ-панель"] if is_admin else []),
+        ]
+    )
+
+
+async def _start_text(is_admin: bool) -> str:
+    state = await get_last_sync_state("api_sync")
+    sync_value = (
+        state.last_successful_at.astimezone().strftime("%Y-%m-%d %H:%M")
+        if state and state.last_successful_at
+        else "ещё не было"
+    )
     lines = [
         "<b>GlitchUp Bot</b>",
+        f"Синхронизация: {escape(sync_value)}",
         "",
-        "Понятное меню для просмотра ошибок, релизов и подписок.",
-        "",
-        "<b>Что можно сделать:</b>",
-        "• открыть сводку за неделю или за сегодня",
-        "• посмотреть топ самых шумных и старых issues",
-        "• проверить последние релизы",
-        "• включить или отключить личные уведомления",
-        "• узнать статус последней синхронизации",
-        "",
-        "<b>Быстрые команды:</b>",
-        "• /week, /today, /top, /stale",
-        "• /releases, /release &lt;version&gt;",
-        "• /project &lt;slug&gt;",
-        "• /subscribe backend|frontend",
-        "• /unsubscribe backend|frontend",
+        "Откройте нужную сводку кнопками ниже.",
     ]
-
     if is_admin:
-        lines.extend(
-            [
-                "",
-                "<b>Для админа:</b>",
-                "• /admin — панель управления",
-                "• /sync — принудительная синхронизация",
-                "• /admins — список администраторов",
-                "• /admin_add &lt;user_id&gt; или reply на сообщение",
-                "• /admin_del &lt;user_id&gt;",
-                "• /ownership — текущее распределение routing-настроек",
-                "• /mute_list — список mute rules",
-            ]
-        )
-
+        lines.extend(["", "Администрирование доступно через кнопку ниже."])
     return "\n".join(lines)
 
 
-def _help_monitoring_text() -> str:
+def _admin_overview_text() -> str:
     return "\n".join(
         [
-            "<b>Обзор и мониторинг</b>",
+            "<b>Сводки</b>",
             "",
-            "Здесь собраны основные срезы по состоянию проектов.",
-            "",
-            "• <b>Сводка за неделю</b> — общая картина по новым issues и regressions",
-            "• <b>Сегодня</b> — свежие проблемы за текущий день",
-            "• <b>Топ issues</b> — самые шумные ошибки по числу событий",
-            "• <b>Старые issues</b> — незакрытые проблемы, которые давно висят",
-        ]
-    )
-
-
-def _help_releases_text() -> str:
-    return "\n".join(
-        [
-            "<b>Релизы и версии</b>",
-            "",
-            "Раздел помогает быстро понять, после каких релизов появились незакрытые issues.",
-            "",
-            "• <b>Список релизов</b> покажет версии, у которых есть активные проблемы",
-            "• <b>Как открыть релиз</b> подскажет, как перейти к деталям по конкретной версии",
-        ]
-    )
-
-
-def _help_release_guide_text() -> str:
-    return "\n".join(
-        [
-            "<b>Как смотреть детали релиза</b>",
-            "",
-            "1. Открой <b>Список релизов</b> и скопируй нужную версию.",
-            "2. Выполни команду <code>/release &lt;version&gt;</code>.",
-            "3. Бот покажет issues, связанные именно с этим релизом.",
-            "",
-            "Пример: <code>/release 2026.03.27</code>",
-        ]
-    )
-
-
-def _help_subscriptions_text() -> str:
-    return "\n".join(
-        [
-            "<b>Подписки</b>",
-            "",
-            "Здесь можно управлять личными уведомлениями в DM.",
-            "",
-            "• <b>backend</b> — проблемы серверной части",
-            "• <b>frontend</b> — проблемы клиентских приложений и web",
-            "",
-            "Подписка добавляет вас в runtime-настройки без редактирования `.env`.",
+            "Быстрый доступ к основным экранам без лишних разделов.",
         ]
     )
 
@@ -248,13 +196,12 @@ def _admin_text() -> str:
         [
             "<b>Админ-панель GlitchUp Bot</b>",
             "",
-            "Панель разделена на понятные зоны, чтобы не искать нужное действие в длинном списке.",
-            "",
-            "• <b>Центр синхронизации</b> — запуск sync и проверка статуса",
-            "• <b>Сводки и мониторинг</b> — основные обзорные экраны",
-            "• <b>Администраторы</b> — список и управление доступом",
-            "• <b>Ownership и topics</b> — текущая маршрутизация",
-            "• <b>Mute rules</b> — правила скрытия шумных событий",
+            "Здесь только практичные разделы:",
+            "• синхронизация",
+            "• основные сводки",
+            "• получатели по backend/frontend",
+            "• администраторы",
+            "• routing и mute rules",
         ]
     )
 
@@ -262,20 +209,31 @@ def _admin_text() -> str:
 def _admin_sync_text() -> str:
     return "\n".join(
         [
-            "<b>Центр синхронизации</b>",
+            "<b>Синхронизация</b>",
             "",
-            "Отсюда удобно запускать ручной sync и смотреть, "
+            "Отсюда удобно запускать ручной sync и проверять, "
             "когда данные обновлялись в последний раз.",
         ]
     )
 
 
-def _admin_overview_text() -> str:
+def _admin_recipients_text() -> str:
     return "\n".join(
         [
-            "<b>Сводки и мониторинг</b>",
+            "<b>Получатели уведомлений</b>",
             "",
-            "Быстрый доступ к основным обзорным экранам для ручной проверки состояния проектов.",
+            "Выберите группу и назначайте Telegram ID через кнопки.",
+            "Самоподписка пользователей отключена.",
+        ]
+    )
+
+
+def _recipient_group_text(group_name: str) -> str:
+    return "\n".join(
+        [
+            f"<b>{escape(group_name.capitalize())} получатели</b>",
+            "",
+            "Можно посмотреть список, добавить новый Telegram ID или удалить существующий.",
         ]
     )
 
@@ -285,8 +243,7 @@ def _admin_guide_text() -> str:
         [
             "<b>Подсказка по админке</b>",
             "",
-            "Через кнопки удобно смотреть состояние системы, "
-            "а точечные настройки меняются командами.",
+            "Почти всё вынесено в кнопки и короткие сценарии.",
             "",
             "• <code>/admin_add 123456</code> — добавить администратора",
             "• <code>/admin_add</code> ответом на сообщение — добавить автора сообщения",
@@ -344,6 +301,18 @@ def _extract_target_user_id(message: Message) -> int | None:
     return None
 
 
+async def _recipients_text(group_name: str) -> str:
+    subscribers = await resolve_subscribers(group_name)
+    title = "Backend" if group_name == "backend" else "Frontend"
+    if not subscribers:
+        return f"<b>{title} получатели</b>\n\nСписок пуст."
+
+    lines = [f"<b>{title} получатели</b>", ""]
+    for user_id in subscribers:
+        lines.append(f"• <code>{user_id}</code>")
+    return "\n".join(lines)
+
+
 async def _require_admin(message: Message) -> bool:
     if await _is_admin_user(_sender_id(message)):
         return True
@@ -594,7 +563,7 @@ async def _mute_rules_text() -> str:
 async def cmd_start(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await message.answer(
-        _help_text(is_admin),
+        await _start_text(is_admin),
         reply_markup=help_home_keyboard(is_admin),
         disable_web_page_preview=True,
     )
@@ -636,100 +605,38 @@ async def cb_help_actions(callback: CallbackQuery) -> None:
             reply_markup=help_home_keyboard(is_admin),
         )
         return
-    if action == "menu:monitoring":
-        await _show_callback_screen(
-            callback,
-            _help_monitoring_text(),
-            reply_markup=help_monitoring_keyboard(is_admin),
-        )
-        return
-    if action == "menu:releases":
-        await _show_callback_screen(
-            callback,
-            _help_releases_text(),
-            reply_markup=help_releases_keyboard(is_admin),
-        )
-        return
-    if action == "menu:subscriptions":
-        await _show_callback_screen(
-            callback,
-            _help_subscriptions_text(),
-            reply_markup=help_subscriptions_keyboard(is_admin),
-        )
-        return
-    if action == "release_guide":
-        await _show_callback_screen(
-            callback,
-            _help_release_guide_text(),
-            reply_markup=help_result_keyboard("help:menu:releases", is_admin),
-        )
-        return
     if action == "week":
         await _run_summary_action(
             callback,
-            lambda: build_digest(refresh=True),
-            back_callback="help:menu:monitoring",
+            lambda: build_digest(refresh=False),
+            back_callback="help:open",
             is_admin=is_admin,
         )
         return
     if action == "today":
         await _run_summary_action(
             callback,
-            lambda: build_today_summary(refresh=True),
-            back_callback="help:menu:monitoring",
+            lambda: build_today_summary(refresh=False),
+            back_callback="help:open",
             is_admin=is_admin,
         )
         return
     if action == "top":
         await _run_summary_action(
             callback,
-            lambda: build_top_issues(refresh=True),
-            back_callback="help:menu:monitoring",
+            lambda: build_top_issues(refresh=False),
+            back_callback="help:open",
             is_admin=is_admin,
         )
         return
     if action == "stale":
         await _run_summary_action(
             callback,
-            lambda: build_stale_issues(refresh=True),
-            back_callback="help:menu:monitoring",
-            is_admin=is_admin,
-        )
-        return
-    if action == "releases":
-        await _run_summary_action(
-            callback,
-            lambda: build_release_summary(refresh=True),
-            back_callback="help:menu:releases",
-            is_admin=is_admin,
-        )
-        return
-    if action == "sync_status":
-        await _run_summary_action(
-            callback,
-            build_sync_status,
+            lambda: build_stale_issues(refresh=False),
             back_callback="help:open",
             is_admin=is_admin,
         )
         return
-    if action.startswith("sub:"):
-        await _handle_subscription_action(
-            callback,
-            action.split(":", 1)[1],
-            "subscribe",
-            _callback_sender_id(callback),
-            reply_markup=help_result_keyboard("help:menu:subscriptions", is_admin),
-        )
-        return
-    if action.startswith("unsub:"):
-        await _handle_subscription_action(
-            callback,
-            action.split(":", 1)[1],
-            "unsubscribe",
-            _callback_sender_id(callback),
-            reply_markup=help_result_keyboard("help:menu:subscriptions", is_admin),
-        )
-        return
 
 
 @router.callback_query(F.data == "admin:open")
@@ -767,6 +674,65 @@ async def cb_admin_actions(callback: CallbackQuery) -> None:
             reply_markup=admin_overview_keyboard(),
         )
         return
+    if action == "menu:recipients":
+        await _show_callback_screen(
+            callback,
+            _admin_recipients_text(),
+            reply_markup=admin_recipients_keyboard(),
+        )
+        return
+    if action in {"recipients:backend", "recipients:frontend"}:
+        group_name = action.split(":", 1)[1]
+        await _show_callback_screen(
+            callback,
+            _recipient_group_text(group_name),
+            reply_markup=admin_recipient_group_keyboard(group_name),
+        )
+        return
+    if action.startswith("recipients:list:"):
+        group_name = action.rsplit(":", 1)[1]
+        await _deliver_result(
+            callback,
+            await _recipients_text(group_name),
+            back_callback=f"admin:recipients:{group_name}",
+            is_admin=True,
+            admin_mode=True,
+        )
+        return
+    if action.startswith("recipients:add:"):
+        group_name = action.rsplit(":", 1)[1]
+        admin_id = _callback_sender_id(callback)
+        if admin_id is not None:
+            PENDING_RECIPIENT_ACTIONS[admin_id] = ("add", group_name)
+        await _show_callback_screen(
+            callback,
+            "\n".join(
+                [
+                    f"<b>{escape(group_name.capitalize())}</b>",
+                    "",
+                    "Отправьте следующим сообщением Telegram ID, который нужно добавить.",
+                ]
+            ),
+            reply_markup=admin_result_keyboard(f"admin:recipients:{group_name}"),
+        )
+        return
+    if action.startswith("recipients:del:"):
+        group_name = action.rsplit(":", 1)[1]
+        admin_id = _callback_sender_id(callback)
+        if admin_id is not None:
+            PENDING_RECIPIENT_ACTIONS[admin_id] = ("del", group_name)
+        await _show_callback_screen(
+            callback,
+            "\n".join(
+                [
+                    f"<b>{escape(group_name.capitalize())}</b>",
+                    "",
+                    "Отправьте следующим сообщением Telegram ID, который нужно удалить.",
+                ]
+            ),
+            reply_markup=admin_result_keyboard(f"admin:recipients:{group_name}"),
+        )
+        return
     if action == "admins":
         await _deliver_result(
             callback,
@@ -813,19 +779,10 @@ async def cb_admin_actions(callback: CallbackQuery) -> None:
             admin_mode=True,
         )
         return
-    if action == "releases":
-        await _run_summary_action(
-            callback,
-            lambda: build_release_summary(refresh=True),
-            back_callback="admin:menu:overview",
-            is_admin=True,
-            admin_mode=True,
-        )
-        return
     if action == "today":
         await _run_summary_action(
             callback,
-            lambda: build_today_summary(refresh=True),
+            lambda: build_today_summary(refresh=False),
             back_callback="admin:menu:overview",
             is_admin=True,
             admin_mode=True,
@@ -834,7 +791,7 @@ async def cb_admin_actions(callback: CallbackQuery) -> None:
     if action == "week":
         await _run_summary_action(
             callback,
-            lambda: build_digest(refresh=True),
+            lambda: build_digest(refresh=False),
             back_callback="admin:menu:overview",
             is_admin=True,
             admin_mode=True,
@@ -843,7 +800,7 @@ async def cb_admin_actions(callback: CallbackQuery) -> None:
     if action == "top":
         await _run_summary_action(
             callback,
-            lambda: build_top_issues(refresh=True),
+            lambda: build_top_issues(refresh=False),
             back_callback="admin:menu:overview",
             is_admin=True,
             admin_mode=True,
@@ -852,7 +809,7 @@ async def cb_admin_actions(callback: CallbackQuery) -> None:
     if action == "stale":
         await _run_summary_action(
             callback,
-            lambda: build_stale_issues(refresh=True),
+            lambda: build_stale_issues(refresh=False),
             back_callback="admin:menu:overview",
             is_admin=True,
             admin_mode=True,
@@ -916,8 +873,8 @@ async def cmd_week(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await _deliver_result(
         message,
-        await build_digest(refresh=True),
-        back_callback="help:menu:monitoring",
+        await build_digest(refresh=False),
+        back_callback="help:open",
         is_admin=is_admin,
     )
 
@@ -927,8 +884,8 @@ async def cmd_today(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await _deliver_result(
         message,
-        await build_today_summary(refresh=True),
-        back_callback="help:menu:monitoring",
+        await build_today_summary(refresh=False),
+        back_callback="help:open",
         is_admin=is_admin,
     )
 
@@ -943,8 +900,8 @@ async def cmd_project(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await _deliver_result(
         message,
-        await build_project_summary(args[1].strip(), refresh=True),
-        back_callback="help:menu:monitoring",
+        await build_project_summary(args[1].strip(), refresh=False),
+        back_callback="help:open",
         is_admin=is_admin,
     )
 
@@ -954,8 +911,8 @@ async def cmd_top(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await _deliver_result(
         message,
-        await build_top_issues(refresh=True),
-        back_callback="help:menu:monitoring",
+        await build_top_issues(refresh=False),
+        back_callback="help:open",
         is_admin=is_admin,
     )
 
@@ -965,37 +922,20 @@ async def cmd_stale(message: Message) -> None:
     is_admin = await _is_admin_user(_sender_id(message))
     await _deliver_result(
         message,
-        await build_stale_issues(refresh=True),
-        back_callback="help:menu:monitoring",
+        await build_stale_issues(refresh=False),
+        back_callback="help:open",
         is_admin=is_admin,
     )
 
 
 @router.message(Command("releases"))
 async def cmd_releases(message: Message) -> None:
-    is_admin = await _is_admin_user(_sender_id(message))
-    await _deliver_result(
-        message,
-        await build_release_summary(refresh=True),
-        back_callback="help:menu:releases",
-        is_admin=is_admin,
-    )
+    await message.answer("Раздел релизов скрыт из упрощённого интерфейса.")
 
 
 @router.message(Command("release"))
 async def cmd_release(message: Message) -> None:
-    args = message.text.split(maxsplit=1) if message.text else []
-    if len(args) < 2:
-        await message.answer("Использование: /release &lt;version&gt;")
-        return
-
-    is_admin = await _is_admin_user(_sender_id(message))
-    await _deliver_result(
-        message,
-        await build_release_detail(args[1].strip(), refresh=True),
-        back_callback="help:menu:releases",
-        is_admin=is_admin,
-    )
+    await message.answer("Раздел релизов скрыт из упрощённого интерфейса.")
 
 
 @router.message(Command("sync_status"))
@@ -1090,38 +1030,57 @@ async def cmd_admin_del(message: Message) -> None:
     )
 
 
-@router.message(Command("subscribe"))
-async def cmd_subscribe(message: Message) -> None:
-    args = message.text.split(maxsplit=1) if message.text else []
-    if len(args) < 2:
-        await message.answer("Использование: /subscribe &lt;backend|frontend&gt;")
+@router.message(F.text)
+async def cmd_pending_recipient_input(message: Message) -> None:
+    user_id = _sender_id(message)
+    if user_id is None or user_id not in PENDING_RECIPIENT_ACTIONS:
+        return
+    if not await _require_admin(message):
         return
 
-    is_admin = await _is_admin_user(_sender_id(message))
-    await _handle_subscription_action(
+    raw_value = (message.text or "").strip()
+    if raw_value.startswith("/"):
+        return
+    if not raw_value.lstrip("-").isdigit():
+        await message.answer("Нужен числовой Telegram ID.")
+        return
+
+    action, group_name = PENDING_RECIPIENT_ACTIONS.pop(user_id)
+    target_id = int(raw_value)
+
+    if action == "add":
+        await add_subscriber(group_name, target_id)
+        text = (
+            f"Telegram ID <code>{target_id}</code> добавлен в группу "
+            f"<b>{escape(group_name)}</b>."
+        )
+    else:
+        removed = await remove_subscriber(group_name, target_id)
+        text = (
+            f"Telegram ID <code>{target_id}</code> удалён из группы "
+            f"<b>{escape(group_name)}</b>."
+            if removed
+            else f"Telegram ID <code>{target_id}</code> не найден в группе "
+            f"<b>{escape(group_name)}</b>."
+        )
+
+    await _deliver_result(
         message,
-        args[1].strip().lower(),
-        "subscribe",
-        _sender_id(message),
-        reply_markup=help_result_keyboard("help:menu:subscriptions", is_admin),
+        text,
+        back_callback=f"admin:recipients:{group_name}",
+        is_admin=True,
+        admin_mode=True,
     )
 
 
+@router.message(Command("subscribe"))
+async def cmd_subscribe(message: Message) -> None:
+    await message.answer("Самоподписка отключена. Получателей настраивает администратор.")
+
+
 @router.message(Command("unsubscribe"))
 async def cmd_unsubscribe(message: Message) -> None:
-    args = message.text.split(maxsplit=1) if message.text else []
-    if len(args) < 2:
-        await message.answer("Использование: /unsubscribe &lt;backend|frontend&gt;")
-        return
-
-    is_admin = await _is_admin_user(_sender_id(message))
-    await _handle_subscription_action(
-        message,
-        args[1].strip().lower(),
-        "unsubscribe",
-        _sender_id(message),
-        reply_markup=help_result_keyboard("help:menu:subscriptions", is_admin),
-    )
+    await message.answer("Самоподписка отключена. Получателей настраивает администратор.")
 
 
 @router.message(Command("ownership"))
diff --git a/src/glitchup_bot/bot/keyboards.py b/src/glitchup_bot/bot/keyboards.py
index de844f9..878f0c2 100644
--- a/src/glitchup_bot/bot/keyboards.py
+++ b/src/glitchup_bot/bot/keyboards.py
@@ -24,50 +24,15 @@ def _add_pagination_row(
 
 def help_home_keyboard(is_admin: bool) -> InlineKeyboardMarkup:
     builder = InlineKeyboardBuilder()
-    builder.button(text="Обзор и метрики", callback_data="help:menu:monitoring")
-    builder.button(text="Релизы и версии", callback_data="help:menu:releases")
-    builder.button(text="Подписки", callback_data="help:menu:subscriptions")
-    builder.button(text="Статус синхронизации", callback_data="help:sync_status")
-    if is_admin:
-        builder.button(text="Админ-панель", callback_data="admin:open")
-    builder.adjust(2, 2, 1)
-    return builder.as_markup()
-
-
-def help_monitoring_keyboard(is_admin: bool) -> InlineKeyboardMarkup:
-    builder = InlineKeyboardBuilder()
-    builder.button(text="Сводка за неделю", callback_data="help:week")
     builder.button(text="Сегодня", callback_data="help:today")
-    builder.button(text="Топ issues", callback_data="help:top")
-    builder.button(text="Старые issues", callback_data="help:stale")
-    builder.button(text="Назад", callback_data="help:open")
+    builder.button(text="Неделя", callback_data="help:week")
+    builder.button(text="Самые шумные", callback_data="help:top")
+    builder.button(text="Давно висят", callback_data="help:stale")
     if is_admin:
         builder.button(text="Админ-панель", callback_data="admin:open")
-    builder.adjust(2, 2, 1, 1)
-    return builder.as_markup()
-
-
-def help_releases_keyboard(is_admin: bool) -> InlineKeyboardMarkup:
-    builder = InlineKeyboardBuilder()
-    builder.button(text="Список релизов", callback_data="help:releases")
-    builder.button(text="Как открыть релиз", callback_data="help:release_guide")
-    builder.button(text="Назад", callback_data="help:open")
-    if is_admin:
-        builder.button(text="Админ-панель", callback_data="admin:open")
-    builder.adjust(2, 1, 1)
-    return builder.as_markup()
-
-
-def help_subscriptions_keyboard(is_admin: bool) -> InlineKeyboardMarkup:
-    builder = InlineKeyboardBuilder()
-    builder.button(text="Подписаться на backend", callback_data="help:sub:backend")
-    builder.button(text="Подписаться на frontend", callback_data="help:sub:frontend")
-    builder.button(text="Отписаться от backend", callback_data="help:unsub:backend")
-    builder.button(text="Отписаться от frontend", callback_data="help:unsub:frontend")
-    builder.button(text="Назад", callback_data="help:open")
-    if is_admin:
-        builder.button(text="Админ-панель", callback_data="admin:open")
-    builder.adjust(2, 2, 1, 1)
+        builder.adjust(2, 2, 1)
+    else:
+        builder.adjust(2, 2)
     return builder.as_markup()
 
 
@@ -104,14 +69,15 @@ def help_result_keyboard(
 
 def admin_home_keyboard() -> InlineKeyboardMarkup:
     builder = InlineKeyboardBuilder()
-    builder.button(text="Центр синхронизации", callback_data="admin:menu:sync")
-    builder.button(text="Сводки и мониторинг", callback_data="admin:menu:overview")
+    builder.button(text="Сводки", callback_data="admin:menu:overview")
+    builder.button(text="Синхронизация", callback_data="admin:menu:sync")
+    builder.button(text="Получатели", callback_data="admin:menu:recipients")
     builder.button(text="Администраторы", callback_data="admin:admins")
-    builder.button(text="Ownership и topics", callback_data="admin:ownership")
+    builder.button(text="Routing и topics", callback_data="admin:ownership")
     builder.button(text="Mute rules", callback_data="admin:mute_list")
     builder.button(text="Инструкция", callback_data="admin:guide")
     builder.button(text="Пользовательское меню", callback_data="help:open")
-    builder.adjust(2, 2, 2, 1)
+    builder.adjust(2, 2, 2, 1, 1)
     return builder.as_markup()
 
 
@@ -127,13 +93,31 @@ def admin_sync_keyboard() -> InlineKeyboardMarkup:
 
 def admin_overview_keyboard() -> InlineKeyboardMarkup:
     builder = InlineKeyboardBuilder()
-    builder.button(text="Сводка за неделю", callback_data="admin:week")
     builder.button(text="Сегодня", callback_data="admin:today")
-    builder.button(text="Топ issues", callback_data="admin:top")
-    builder.button(text="Старые issues", callback_data="admin:stale")
-    builder.button(text="Релизы", callback_data="admin:releases")
+    builder.button(text="Неделя", callback_data="admin:week")
+    builder.button(text="Самые шумные", callback_data="admin:top")
+    builder.button(text="Давно висят", callback_data="admin:stale")
     builder.button(text="Назад", callback_data="admin:open")
-    builder.adjust(2, 2, 1, 1)
+    builder.adjust(2, 2, 1)
+    return builder.as_markup()
+
+
+def admin_recipients_keyboard() -> InlineKeyboardMarkup:
+    builder = InlineKeyboardBuilder()
+    builder.button(text="Backend", callback_data="admin:recipients:backend")
+    builder.button(text="Frontend", callback_data="admin:recipients:frontend")
+    builder.button(text="Назад", callback_data="admin:open")
+    builder.adjust(2, 1)
+    return builder.as_markup()
+
+
+def admin_recipient_group_keyboard(group_name: str) -> InlineKeyboardMarkup:
+    builder = InlineKeyboardBuilder()
+    builder.button(text="Список", callback_data=f"admin:recipients:list:{group_name}")
+    builder.button(text="Добавить ID", callback_data=f"admin:recipients:add:{group_name}")
+    builder.button(text="Удалить ID", callback_data=f"admin:recipients:del:{group_name}")
+    builder.button(text="Назад", callback_data="admin:menu:recipients")
+    builder.adjust(2, 1, 1)
     return builder.as_markup()
 
 
diff --git a/src/glitchup_bot/main.py b/src/glitchup_bot/main.py
index f3288c9..5c03f2b 100644
--- a/src/glitchup_bot/main.py
+++ b/src/glitchup_bot/main.py
@@ -8,6 +8,7 @@ from glitchup_bot.bot.bot import close_bot, get_bot, get_dispatcher
 from glitchup_bot.config import settings
 from glitchup_bot.glitchtip_client.client import close_glitchtip_client
 from glitchup_bot.models.database import dispose_engine
+from glitchup_bot.services.sync_service import warm_issue_cache_on_startup
 from glitchup_bot.tasks.scheduler import setup_scheduler, shutdown_scheduler
 
 logging.basicConfig(
@@ -37,6 +38,7 @@ async def shutdown_resources() -> None:
 
 async def main() -> None:
     logger.info("GlitchUp Bot starting")
+    await warm_issue_cache_on_startup()
     setup_scheduler()
 
     api_task = asyncio.create_task(start_api(), name="api")
diff --git a/src/glitchup_bot/services/digest_builder.py b/src/glitchup_bot/services/digest_builder.py
index 979a788..e0b4d97 100644
--- a/src/glitchup_bot/services/digest_builder.py
+++ b/src/glitchup_bot/services/digest_builder.py
@@ -1,4 +1,6 @@
+import re
 from collections import defaultdict
+from dataclasses import dataclass
 from datetime import UTC, datetime, timedelta
 from html import escape
 
@@ -11,12 +13,96 @@ from glitchup_bot.services.sync_service import (
 )
 
 
-def _issue_label(issue: IssueSnapshot) -> str:
-    title = escape(issue.title)
-    slug = escape(issue.project_slug)
-    if issue.link:
-        return f'<a href="{escape(issue.link, quote=True)}">{title}</a> ({slug})'
-    return f"{title} ({slug})"
+@dataclass(slots=True)
+class AggregatedIssue:
+    project_slug: str
+    signature: str
+    title: str
+    link: str | None
+    first_seen: datetime | None
+    last_seen: datetime | None
+    event_count: int
+    occurrences: int
+    is_regression: bool
+    release: str | None
+
+
+_TIMESTAMP_PREFIX_RE = re.compile(
+    r"^\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2}(?:\.\d+)?\s+\|\s+[^|]+\|\s+[^-]+-\s+"
+)
+
+
+def _clean_issue_title(title: str) -> str:
+    cleaned = _TIMESTAMP_PREFIX_RE.sub("", title).strip()
+    if cleaned:
+        return cleaned
+    if " - " in title:
+        tail = title.split(" - ", 1)[1].strip()
+        if tail:
+            return tail
+    return title.strip() or "unknown"
+
+
+def _issue_label(title: str, project_slug: str, link: str | None) -> str:
+    safe_title = escape(title)
+    safe_slug = escape(project_slug)
+    if link:
+        return f'<a href="{escape(link, quote=True)}">{safe_title}</a> ({safe_slug})'
+    return f"{safe_title} ({safe_slug})"
+
+
+def _format_issue_line(issue: AggregatedIssue, *, include_seen: bool = False) -> str:
+    parts = [f"• <b>{issue.event_count}</b> событий"]
+    if issue.occurrences > 1:
+        parts.append(f"{issue.occurrences} повторов")
+    parts.append(_issue_label(issue.title, issue.project_slug, issue.link))
+    line = " — ".join([parts[0], ", ".join(parts[1:])])
+    if include_seen and issue.last_seen:
+        return f"{line}\nпоследнее: {escape(issue.last_seen.strftime('%Y-%m-%d %H:%M'))}"
+    return line
+
+
+def _aggregate_issues(issues: list[IssueSnapshot]) -> list[AggregatedIssue]:
+    grouped: dict[tuple[str, str], AggregatedIssue] = {}
+
+    for issue in issues:
+        cleaned_title = _clean_issue_title(issue.title)
+        signature = (issue.culprit or cleaned_title).strip().lower()
+        key = (issue.project_slug, signature)
+        current = grouped.get(key)
+
+        if current is None:
+            grouped[key] = AggregatedIssue(
+                project_slug=issue.project_slug,
+                signature=signature,
+                title=cleaned_title,
+                link=issue.link,
+                first_seen=issue.first_seen,
+                last_seen=issue.last_seen,
+                event_count=issue.event_count,
+                occurrences=1,
+                is_regression=issue.is_regression,
+                release=issue.release,
+            )
+            continue
+
+        current.event_count += issue.event_count
+        current.occurrences += 1
+        current.is_regression = current.is_regression or issue.is_regression
+        if issue.first_seen and (
+            current.first_seen is None or issue.first_seen < current.first_seen
+        ):
+            current.first_seen = issue.first_seen
+        if issue.last_seen and (current.last_seen is None or issue.last_seen > current.last_seen):
+            current.last_seen = issue.last_seen
+            if issue.link:
+                current.link = issue.link
+        if not current.link and issue.link:
+            current.link = issue.link
+        if not current.release and issue.release:
+            current.release = issue.release
+
+    return list(grouped.values())
 
 
 async def _load_issues(
@@ -35,41 +121,32 @@ async def _load_issues(
 async def build_digest(refresh: bool = True) -> str:
     now = datetime.now(UTC)
     week_ago = now - timedelta(days=7)
-    issues = await _load_issues(refresh=refresh)
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
 
-    new_issues: list[IssueSnapshot] = []
-    regressions: list[IssueSnapshot] = []
-    stale: list[IssueSnapshot] = []
-    by_release: dict[str, list[IssueSnapshot]] = defaultdict(list)
+    new_issues = [
+        issue for issue in aggregated if issue.first_seen and issue.first_seen >= week_ago
+    ]
+    regressions = [issue for issue in aggregated if issue.is_regression]
+    stale = [issue for issue in aggregated if issue.first_seen and issue.first_seen < week_ago]
     project_stats: dict[str, dict[str, int]] = defaultdict(
-        lambda: {"new": 0, "regression": 0, "events": 0}
+        lambda: {"issues": 0, "regression": 0, "events": 0}
     )
-    top_noisy = sorted(issues, key=lambda item: item.event_count, reverse=True)
+    top_noisy = sorted(aggregated, key=lambda item: item.event_count, reverse=True)
 
-    for issue in issues:
+    for issue in aggregated:
         if issue.first_seen and issue.first_seen >= week_ago:
-            new_issues.append(issue)
-            project_stats[issue.project_slug]["new"] += 1
-
+            project_stats[issue.project_slug]["issues"] += 1
         if issue.is_regression:
-            regressions.append(issue)
             project_stats[issue.project_slug]["regression"] += 1
-
-        if issue.first_seen and issue.first_seen < week_ago:
-            stale.append(issue)
-
-        if issue.release:
-            by_release[issue.release].append(issue)
-
         project_stats[issue.project_slug]["events"] += issue.event_count
 
     lines = [
-        "<b>📊 GlitchTip digest за неделю</b>",
+        "<b>📊 Сводка за неделю</b>",
         "",
         "<b>Всего:</b>",
-        f"• новых issues: {len(new_issues)}",
+        f"• новых групп проблем: {len(new_issues)}",
         f"• regressions: {len(regressions)}",
-        f"• unresolved > 7 дней: {len(stale)}",
+        f"• старых групп > 7 дней: {len(stale)}",
         "",
     ]
 
@@ -77,47 +154,35 @@ async def build_digest(refresh: bool = True) -> str:
         lines.append("<b>По проектам:</b>")
         for slug, stats in sorted(
             project_stats.items(),
-            key=lambda item: (item[1]["new"], item[1]["regression"], item[0]),
-            reverse=True,
-        )[:5]:
-            parts = [f"{stats['new']} новых"]
-            if stats["regression"]:
-                parts.append(f"{stats['regression']} regression")
-            lines.append(f"• <b>{escape(slug)}</b> — {', '.join(parts)}")
-        lines.append("")
-
-    if by_release:
-        lines.append("<b>После релизов:</b>")
-        for release_name, release_issues in sorted(
-            by_release.items(),
-            key=lambda item: (len(item[1]), sum(issue.event_count for issue in item[1])),
+            key=lambda item: (item[1]["issues"], item[1]["events"], item[0]),
             reverse=True,
         )[:5]:
             lines.append(
-                f"• <b>{escape(release_name)}</b> — "
-                f"{len(release_issues)} issues, "
-                f"{sum(issue.event_count for issue in release_issues)} событий"
+                f"• <b>{escape(slug)}</b> — {stats['issues']} групп, {stats['events']} событий"
             )
         lines.append("")
 
     if top_noisy:
-        lines.append("<b>Топ шумных:</b>")
+        lines.append("<b>Самые шумные:</b>")
         for issue in top_noisy[:5]:
-            lines.append(f"• {_issue_label(issue)} — {issue.event_count} событий")
+            lines.append(_format_issue_line(issue))
         lines.append("")
 
     if stale:
-        lines.append("<b>Хвосты:</b>")
+        lines.append("<b>Давно висят:</b>")
         for issue in sorted(
             stale,
             key=lambda item: (now - (item.first_seen or now)).days,
             reverse=True,
         )[:5]:
             age = (now - (issue.first_seen or now)).days
-            lines.append(f"• {_issue_label(issue)} — {age} дн. без разбора")
+            lines.append(
+                f"• <b>{age} дн.</b> — "
+                f"{_issue_label(issue.title, issue.project_slug, issue.link)}"
+            )
 
     if len(lines) == 7:
-        lines.append("Все чисто! Новых проблем нет.")
+        lines.append("Все спокойно. Новых проблем нет.")
 
     return "\n".join(lines)
 
@@ -125,36 +190,41 @@ async def build_digest(refresh: bool = True) -> str:
 async def build_today_summary(refresh: bool = True) -> str:
     now = datetime.now(UTC)
     today_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
-    issues = await _load_issues(refresh=refresh)
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
     today_issues = [
-        issue for issue in issues if issue.first_seen and issue.first_seen >= today_start
+        issue for issue in aggregated if issue.first_seen and issue.first_seen >= today_start
     ]
 
     if not today_issues:
-        return "За сегодня новых issues не обнаружено."
+        return "За сегодня новых проблем не обнаружено."
 
-    lines = [f"<b>📋 Сегодня: {len(today_issues)} новых issues</b>", ""]
+    total_events = sum(issue.event_count for issue in today_issues)
+    lines = [
+        f"<b>📋 Сегодня: {len(today_issues)} групп проблем</b>",
+        f"• событий за сегодня: {total_events}",
+        "",
+    ]
     for issue in sorted(
         today_issues,
-        key=lambda item: item.first_seen or now,
+        key=lambda item: (item.event_count, item.last_seen or now),
         reverse=True,
     )[:10]:
-        lines.append(f"• {_issue_label(issue)} — {issue.event_count} событий")
+        lines.append(_format_issue_line(issue, include_seen=True))
 
     return "\n".join(lines)
 
 
 async def build_project_summary(project_slug: str, refresh: bool = True) -> str:
-    issues = await _load_issues([project_slug], refresh=refresh)
-    if not issues:
-        return f"<b>{escape(project_slug)}</b>: нет unresolved issues."
+    aggregated = _aggregate_issues(await _load_issues([project_slug], refresh=refresh))
+    if not aggregated:
+        return f"<b>{escape(project_slug)}</b>: нет активных проблем."
 
-    total_events = sum(issue.event_count for issue in issues)
-    regressions = [issue for issue in issues if issue.is_regression]
+    total_events = sum(issue.event_count for issue in aggregated)
+    regressions = [issue for issue in aggregated if issue.is_regression]
     lines = [
         f"<b>📦 {escape(project_slug)}</b>",
         "",
-        f"• unresolved issues: {len(issues)}",
+        f"• групп проблем: {len(aggregated)}",
         f"• всего событий: {total_events}",
         f"• regressions: {len(regressions)}",
         "",
@@ -162,23 +232,23 @@ async def build_project_summary(project_slug: str, refresh: bool = True) -> str:
     ]
 
     for issue in sorted(
-        issues,
+        aggregated,
         key=lambda item: item.last_seen or datetime.min.replace(tzinfo=UTC),
         reverse=True,
     )[:5]:
-        lines.append(f"• {_issue_label(issue)} — {issue.event_count} событий")
+        lines.append(_format_issue_line(issue, include_seen=True))
 
     return "\n".join(lines)
 
 
 async def build_top_issues(limit: int = 10, refresh: bool = True) -> str:
-    issues = await _load_issues(refresh=refresh)
-    if not issues:
-        return "Нет unresolved issues."
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
+    if not aggregated:
+        return "Нет активных проблем."
 
-    lines = ["<b>🔊 Топ шумных issues</b>", ""]
-    for issue in sorted(issues, key=lambda item: item.event_count, reverse=True)[:limit]:
-        lines.append(f"• <b>{issue.event_count}</b> событий — {_issue_label(issue)}")
+    lines = ["<b>🔊 Самые шумные проблемы</b>", ""]
+    for issue in sorted(aggregated, key=lambda item: item.event_count, reverse=True)[:limit]:
+        lines.append(_format_issue_line(issue, include_seen=True))
 
     return "\n".join(lines)
 
@@ -189,44 +259,48 @@ async def build_stale_issues(
     refresh: bool = True,
 ) -> str:
     now = datetime.now(UTC)
-    issues = await _load_issues(refresh=refresh)
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
     stale = [
-        issue for issue in issues if issue.first_seen and (now - issue.first_seen).days >= min_days
+        issue
+        for issue in aggregated
+        if issue.first_seen and (now - issue.first_seen).days >= min_days
     ]
 
     if not stale:
-        return "Нет старых незакрытых issues (> 7 дней)."
+        return "Нет старых незакрытых проблем."
 
-    lines = ["<b>🕸 Старые незакрытые issues</b>", ""]
+    lines = ["<b>🕸 Старые незакрытые проблемы</b>", ""]
     for issue in sorted(
         stale,
         key=lambda item: now - (item.first_seen or now),
         reverse=True,
     )[:limit]:
         age = (now - (issue.first_seen or now)).days
-        lines.append(f"• <b>{age} дн.</b> — {_issue_label(issue)} ({issue.event_count} событий)")
+        lines.append(
+            f"• <b>{age} дн.</b> — {_issue_label(issue.title, issue.project_slug, issue.link)}"
+        )
 
     return "\n".join(lines)
 
 
 async def build_release_summary(limit: int = 10, refresh: bool = True) -> str:
-    issues = await _load_issues(refresh=refresh)
-    grouped: dict[str, list[IssueSnapshot]] = defaultdict(list)
-    for issue in issues:
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
+    grouped: dict[str, list[AggregatedIssue]] = defaultdict(list)
+    for issue in aggregated:
         if issue.release:
             grouped[issue.release].append(issue)
 
     if not grouped:
         return "Релизы в данных GlitchTip не обнаружены."
 
-    lines = ["<b>🚀 Релизы с незакрытыми issue</b>", ""]
+    lines = ["<b>🚀 Релизы с проблемами</b>", ""]
     for release_name, release_issues in sorted(
         grouped.items(),
         key=lambda item: (len(item[1]), sum(issue.event_count for issue in item[1])),
         reverse=True,
     )[:limit]:
         lines.append(
-            f"• <b>{escape(release_name)}</b> — {len(release_issues)} issues, "
+            f"• <b>{escape(release_name)}</b> — {len(release_issues)} групп, "
             f"{sum(issue.event_count for issue in release_issues)} событий"
         )
 
@@ -234,15 +308,14 @@ async def build_release_summary(limit: int = 10, refresh: bool = True) -> str:
 
 
 async def build_release_detail(release_name: str, refresh: bool = True) -> str:
-    issues = await _load_issues(refresh=refresh)
-    matched = [issue for issue in issues if issue.release == release_name]
+    aggregated = _aggregate_issues(await _load_issues(refresh=refresh))
+    matched = [issue for issue in aggregated if issue.release == release_name]
     if not matched:
-        return f"Для релиза <b>{escape(release_name)}</b> незакрытых issues не найдено."
+        return f"Для релиза <b>{escape(release_name)}</b> активных проблем не найдено."
 
     lines = [f"<b>🚀 Релиз {escape(release_name)}</b>", ""]
     for issue in sorted(matched, key=lambda item: item.event_count, reverse=True)[:10]:
-        suffix = " regression" if issue.is_regression else ""
-        lines.append(f"• {_issue_label(issue)} — {issue.event_count} событий{suffix}")
+        lines.append(_format_issue_line(issue, include_seen=True))
 
     return "\n".join(lines)
 
diff --git a/src/glitchup_bot/services/sync_service.py b/src/glitchup_bot/services/sync_service.py
index 4c2d761..7839d2c 100644
--- a/src/glitchup_bot/services/sync_service.py
+++ b/src/glitchup_bot/services/sync_service.py
@@ -1,4 +1,5 @@
 import logging
+from asyncio import Lock, wait_for
 from collections import defaultdict
 from dataclasses import dataclass
 from datetime import UTC, datetime
@@ -13,6 +14,7 @@ from glitchup_bot.models.issues import IssueCache
 from glitchup_bot.models.sync import SyncState
 
 logger = logging.getLogger(__name__)
+_sync_lock = Lock()
 
 
 @dataclass(slots=True)
@@ -106,86 +108,109 @@ async def mark_sync_success(source: str) -> None:
 
 
 async def sync_issues(project_slugs: list[str] | None = None) -> SyncSummary:
-    slugs = project_slugs or _configured_project_slugs()
-    client = get_glitchtip_client()
-    snapshots: list[IssueSnapshot] = []
+    async with _sync_lock:
+        slugs = project_slugs or _configured_project_slugs()
+        client = get_glitchtip_client()
+        snapshots: list[IssueSnapshot] = []
 
-    for slug in slugs:
-        issues = await client.list_issues(slug)
-        snapshots.extend(
-            _normalize_issue(slug, issue) for issue in issues if issue.get("id") is not None
+        for slug in slugs:
+            issues = await client.list_issues(slug)
+            snapshots.extend(
+                _normalize_issue(slug, issue) for issue in issues if issue.get("id") is not None
+            )
+
+        issue_ids_by_slug: dict[str, set[int]] = defaultdict(set)
+        for snapshot in snapshots:
+            issue_ids_by_slug[snapshot.project_slug].add(snapshot.issue_id)
+
+        now = datetime.now(UTC)
+        resolved_count = 0
+
+        async with get_session_factory()() as session:
+            existing_rows = (
+                await session.execute(select(IssueCache).where(IssueCache.project_slug.in_(slugs)))
+            ).scalars()
+            existing_by_id = {row.glitchtip_issue_id: row for row in existing_rows}
+
+            for snapshot in snapshots:
+                row = existing_by_id.get(snapshot.issue_id)
+                if row is None:
+                    row = IssueCache(
+                        glitchtip_issue_id=snapshot.issue_id,
+                        project_slug=snapshot.project_slug,
+                        title=snapshot.title,
+                        culprit=snapshot.culprit,
+                        level=snapshot.level,
+                        status=snapshot.status,
+                        first_seen=snapshot.first_seen,
+                        last_seen=snapshot.last_seen,
+                        event_count=snapshot.event_count,
+                        is_regression=snapshot.is_regression,
+                        link=snapshot.link,
+                        release=snapshot.release,
+                    )
+                    session.add(row)
+                    continue
+
+                row.project_slug = snapshot.project_slug
+                row.title = snapshot.title
+                row.culprit = snapshot.culprit
+                row.level = snapshot.level
+                row.status = snapshot.status
+                row.first_seen = snapshot.first_seen
+                row.last_seen = snapshot.last_seen
+                row.event_count = snapshot.event_count
+                row.is_regression = snapshot.is_regression
+                row.link = snapshot.link
+                row.release = snapshot.release
+                row.updated_at = now
+
+            for row in existing_by_id.values():
+                if row.glitchtip_issue_id in issue_ids_by_slug[row.project_slug]:
+                    continue
+                if row.status != "resolved":
+                    row.status = "resolved"
+                    row.updated_at = now
+                    resolved_count += 1
+
+            result = await session.execute(select(SyncState).where(SyncState.source == "api_sync"))
+            state = result.scalar_one_or_none()
+            if state is None:
+                state = SyncState(source="api_sync", last_successful_at=now)
+                session.add(state)
+            else:
+                state.last_successful_at = now
+
+            await session.commit()
+
+        return SyncSummary(
+            project_count=len(slugs),
+            issue_count=len(snapshots),
+            resolved_count=resolved_count,
+            synced_at=now,
         )
 
-    issue_ids_by_slug: dict[str, set[int]] = defaultdict(set)
-    for snapshot in snapshots:
-        issue_ids_by_slug[snapshot.project_slug].add(snapshot.issue_id)
 
-    now = datetime.now(UTC)
-    resolved_count = 0
-
-    async with get_session_factory()() as session:
-        existing_rows = (
-            await session.execute(select(IssueCache).where(IssueCache.project_slug.in_(slugs)))
-        ).scalars()
-        existing_by_id = {row.glitchtip_issue_id: row for row in existing_rows}
-
-        for snapshot in snapshots:
-            row = existing_by_id.get(snapshot.issue_id)
-            if row is None:
-                row = IssueCache(
-                    glitchtip_issue_id=snapshot.issue_id,
-                    project_slug=snapshot.project_slug,
-                    title=snapshot.title,
-                    culprit=snapshot.culprit,
-                    level=snapshot.level,
-                    status=snapshot.status,
-                    first_seen=snapshot.first_seen,
-                    last_seen=snapshot.last_seen,
-                    event_count=snapshot.event_count,
-                    is_regression=snapshot.is_regression,
-                    link=snapshot.link,
-                    release=snapshot.release,
-                )
-                session.add(row)
-                continue
-
-            row.project_slug = snapshot.project_slug
-            row.title = snapshot.title
-            row.culprit = snapshot.culprit
-            row.level = snapshot.level
-            row.status = snapshot.status
-            row.first_seen = snapshot.first_seen
-            row.last_seen = snapshot.last_seen
-            row.event_count = snapshot.event_count
-            row.is_regression = snapshot.is_regression
-            row.link = snapshot.link
-            row.release = snapshot.release
-            row.updated_at = now
-
-        for row in existing_by_id.values():
-            if row.glitchtip_issue_id in issue_ids_by_slug[row.project_slug]:
-                continue
-            if row.status != "resolved":
-                row.status = "resolved"
-                row.updated_at = now
-                resolved_count += 1
-
-        result = await session.execute(select(SyncState).where(SyncState.source == "api_sync"))
-        state = result.scalar_one_or_none()
-        if state is None:
-            state = SyncState(source="api_sync", last_successful_at=now)
-            session.add(state)
-        else:
-            state.last_successful_at = now
-
-        await session.commit()
-
-    return SyncSummary(
-        project_count=len(slugs),
-        issue_count=len(snapshots),
-        resolved_count=resolved_count,
-        synced_at=now,
-    )
+async def warm_issue_cache_on_startup(timeout_seconds: int = 180) -> bool:
+    logger.info("Starting startup cache warmup")
+    try:
+        summary = await wait_for(sync_issues(), timeout=timeout_seconds)
+        logger.info(
+            "Startup cache warmup finished: %s projects, %s issues, %s resolved",
+            summary.project_count,
+            summary.issue_count,
+            summary.resolved_count,
+        )
+        return True
+    except TimeoutError:
+        logger.warning(
+            "Startup cache warmup timed out after %s seconds; continuing with cached data",
+            timeout_seconds,
+        )
+        return False
+    except Exception:
+        logger.exception("Startup cache warmup failed; continuing with cached data")
+        return False
 
 
 async def load_issue_snapshots(
diff --git a/tests/test_digest_builder.py b/tests/test_digest_builder.py
index d73c1c9..5f0b122 100644
--- a/tests/test_digest_builder.py
+++ b/tests/test_digest_builder.py
@@ -46,12 +46,12 @@ async def test_build_digest_aggregates_projects(monkeypatch):
 
     text = await digest_builder.build_digest()
 
-    assert "новых issues: 1" in text
+    assert "новых групп проблем: 1" in text
     assert "regressions: 1" in text
-    assert "unresolved > 7 дней: 1" in text
+    assert "старых групп > 7 дней: 1" in text
     assert "backend-production" in text
     assert "Old frontend issue" in text
-    assert "2026.03.20" in text
+    assert "12 событий" in text
 
 
 @pytest.mark.asyncio
@@ -94,7 +94,8 @@ async def test_build_today_summary_limits_to_today(monkeypatch):
 
     text = await digest_builder.build_today_summary()
 
-    assert "Сегодня: 1 новых issues" in text
+    assert "Сегодня: 1 групп проблем" in text
+    assert "событий за сегодня: 2" in text
     assert "Today issue" in text
     assert "Old issue" not in text
 
@@ -127,7 +128,7 @@ async def test_build_project_summary(monkeypatch):
 
     assert "backend-production" in text
     assert "Project issue" in text
-    assert "5 событий" in text
+    assert "всего событий: 5" in text
 
 
 @pytest.mark.asyncio
@@ -219,9 +220,61 @@ async def test_build_release_summary_and_detail(monkeypatch):
     detail = await digest_builder.build_release_detail("2026.03.27")
 
     assert "2026.03.27" in summary
-    assert "2 issues" in summary
+    assert "2 групп" in summary
     assert "Release issue" in detail
 
 
+@pytest.mark.asyncio
+async def test_build_today_summary_groups_similar_titles(monkeypatch):
+    now = datetime.now(UTC)
+    issues = [
+        IssueSnapshot(
+            1,
+            "backend-production",
+            (
+                "2026-03-30 10:59:52.605 | ERROR | logging:callHandlers:1762 - "
+                "The garbage collector is trying to clean up"
+            ),
+            None,
+            "error",
+            "unresolved",
+            now - timedelta(hours=2),
+            now - timedelta(minutes=5),
+            1,
+            False,
+            None,
+            None,
+        ),
+        IssueSnapshot(
+            2,
+            "backend-production",
+            (
+                "2026-03-30 09:59:26.932 | ERROR | logging:callHandlers:1762 - "
+                "The garbage collector is trying to clean up"
+            ),
+            None,
+            "error",
+            "unresolved",
+            now - timedelta(hours=1),
+            now,
+            1,
+            False,
+            None,
+            None,
+        ),
+    ]
+
+    monkeypatch.setattr(
+        digest_builder, "_load_issues", lambda *args, **kwargs: _async_value(issues)
+    )
+
+    text = await digest_builder.build_today_summary()
+
+    assert "Сегодня: 1 групп проблем" in text
+    assert "событий за сегодня: 2" in text
+    assert "2 повторов" in text
+    assert "The garbage collector is trying to clean up" in text
+
+
 async def _async_value(value):
     return value