Add system metrics snapshot

handlers/help.py

@@ -17,7 +17,7 @@ async def help_cmd(msg: Message):
         "🐳 Docker — управление контейнерами\n"
         "📦 Backup — restic бэкапы\n"
         "🧉 Artifacts — критичные образы (Clonezilla, NAND)\n"
-        "⚙️ System — диски, безопасность, URL, reboot\n\n"
+        "⚙️ System — диски, безопасность, URL, metrics, reboot\n\n"
         "Inline-кнопки используются для выбора контейнеров.",
         reply_markup=menu_kb,
         parse_mode="Markdown",

handlers/system.py

@@ -9,7 +9,8 @@ from services.http_checks import get_url_checks, check_url
 from services.queue import enqueue
 from services.updates import list_updates, apply_updates
 from services.runner import run_cmd
-from state import UPDATES_CACHE, REBOOT_PENDING
+from state import UPDATES_CACHE, REBOOT_PENDING, METRICS_STORE
+from services.metrics import summarize
 
 
 @dp.message(F.text == "💽 Disks")
@@ -55,6 +56,16 @@ async def urls(msg: Message):
     asyncio.create_task(worker())
 
 
+@dp.message(F.text == "📈 Metrics")
+async def metrics(msg: Message):
+    if not is_admin_msg(msg):
+        return
+    if METRICS_STORE is None:
+        await msg.answer("⚠️ Metrics not initialized", reply_markup=system_kb)
+        return
+    await msg.answer(summarize(METRICS_STORE, minutes=15), reply_markup=system_kb)
+
+
 @dp.message(F.text == "📦 Updates")
 async def updates_list(msg: Message):
     if not is_admin_msg(msg):