refactor: 升级依赖版本并优化构建系统

- 升级核心依赖 (axum 0.8, tower-http 0.6, alsa 0.11 等)
- 简化交叉编译配置，切换至 Debian 11 提高兼容性
- 新增 Debian 包打包支持 (debuerreotype 模板)
- 移除独立的 mjpeg 解码器，简化视频模块
- 静态链接 libx264/libx265/libopus 到二进制

build/debian/changelog.tpl

@@ -0,0 +1,5 @@
+one-kvm ({version}) stable; urgency=low
+
+  * Initial release
+
+ -- SilentWind <admin@mofeng.run>  {date}

build/debian/control.tpl

@@ -0,0 +1,22 @@
+Source: one-kvm
+Section: admin
+Priority: optional
+Maintainer: SilentWind <admin@mofeng.run>
+
+Package: one-kvm
+Architecture: {arch}
+Depends: ${{auto}}, ca-certificates{distsuffix}
+Description: A open and lightweight IP-KVM solution written in Rust
+ Enables BIOS-level remote management of servers and workstations.
+ .
+ One-KVM provides video capture, HID emulation (keyboard/mouse),
+ mass storage device forwarding, and ATX power control for
+ remote server management over IP.
+ .
+ Features:
+  * Hardware-accelerated video encoding (VAAPI, QSV, RKMPP)
+  * WebRTC and MJPEG streaming with low latency
+  * USB HID emulation via OTG gadget
+  * Mass storage device for ISO/IMG mounting
+  * ATX power control via GPIO or USB relay
+Homepage: https://github.com/mofeng-git/One-KVM

build/debian/copyright

@@ -0,0 +1,29 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: one-kvm
+Source: https://github.com/mofeng-git/one-KVM
+
+Files: *
+Copyright: 2025 One-KVM contributors
+License: GPL-2.0
+
+Files: libs/ventoy-img-rs/resources/*
+Copyright: Ventoy contributors
+License: GPL-2.0
+
+License: GPL-2.0
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+ .
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+On Debian systems, the full text of the GNU General Public License
+version 2 can be found in the file `/usr/share/common-licenses/GPL-2'.

build/debian/postinst.tpl

@@ -0,0 +1,39 @@
+#!/bin/bash
+# Post-installation script for one-kvm
+
+set -e
+
+case "$1" in
+    configure|abort-upgrade|abort-remove|abort-deconfigure)
+        # Create data directory
+        mkdir -p /var/lib/one-kvm/ventoy
+        mkdir -p /var/log/one-kvm
+
+        # Set permissions
+        chmod 755 /var/lib/one-kvm
+        chmod 755 /var/lib/one-kvm/ventoy
+        chmod 755 /var/log/one-kvm
+
+        # Enable and start service (if systemd is available)
+        if [ -d /run/systemd/system ]; then
+            systemctl daemon-reload
+            systemctl enable one-kvm
+            # Don't start here, let user configure first
+        fi
+        ;;
+    triggered)
+        # Handle triggers (e.g., systemd restart)
+        if [ -d /run/systemd/system ]; then
+            systemctl restart one-kvm || true
+        fi
+        ;;
+    abort-rollback|failed-upgrade)
+        exit 0
+        ;;
+    *)
+        echo "postinst called with unknown argument: $1" >&2
+        exit 1
+        ;;
+esac
+
+exit 0

build/debian/prerm.tpl

@@ -0,0 +1,28 @@
+#!/bin/bash
+# Pre-removal script for one-kvm
+
+set -e
+
+case "$1" in
+    remove|purge)
+        # Stop service if running
+        if [ -d /run/systemd/system ]; then
+            systemctl stop one-kvm || true
+            systemctl disable one-kvm || true
+        fi
+        ;;
+    upgrade|deconfigure)
+        # Keep data on upgrade
+        :
+        ;;
+    failed-upgrade)
+        # Handle upgrade failure
+        :
+        ;;
+    *)
+        echo "prerm called with unknown argument: $1" >&2
+        exit 1
+        ;;
+esac
+
+exit 0