fix: improve docker logs retrieval and diagnostics

- Updated cmd_logs to combine stdout and stderr streams.
- Added a check for container existence before fetching logs.
- Increased log tail limit to 50 lines.
- Improved user feedback when logs are empty but the container is running.

install.sh

@@ -331,11 +331,25 @@ async def cmd_restart(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
 
 async def cmd_logs(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     if not update.effective_user or not _ok(update.effective_user.id): return
-    code, out, err = await sh("docker", "logs", "--tail", "30", CONTAINER_NAME, timeout=15)
+    
-    text = f"<pre>{html.escape(out or err or 'Логов нет.')}</pre>"
+    running = await proxy_running()
+    if not running:
+        text = "❌ <b>Контейнер не найден или остановлен.</b>"
+    else:
+        # Запрашиваем 50 строк и объединяем выводы
+        code, out, err = await sh("docker", "logs", "--tail", "50", CONTAINER_NAME, timeout=15)
+        combined_logs = (out.strip() + "\n" + err.strip()).strip()
+        
+        if not combined_logs:
+            text = "📋 <b>Контейнер запущен, но логи пока пусты.</b>\n<i>Попробуйте подключиться к прокси, чтобы появились записи.</i>"
+        else:
+            text = f"<pre>{html.escape(combined_logs)}</pre>"
+    
     kb = InlineKeyboardMarkup([[InlineKeyboardButton("◀️ Меню", callback_data="menu_main")]])
-    if update.callback_query: await update.callback_query.edit_message_text(text, parse_mode="HTML", reply_markup=kb)
+    if update.callback_query:
-    else: await update.message.reply_text(text, parse_mode="HTML", reply_markup=kb)
+        await update.callback_query.edit_message_text(text, parse_mode="HTML", reply_markup=kb)
+    else:
+        await update.message.reply_text(text, parse_mode="HTML", reply_markup=kb)
 
 async def do_install(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     domain = ctx.user_data.get("install_domain", "google.com")