Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/utils/machine.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"net"
+	"os"
+	"runtime"
+	"sort"
+	"strings"
+)
+
+// GenerateMachineID 生成机器识别码
+func GenerateMachineID() string {
+	var parts []string
+
+	// 主机名
+	if hostname, err := os.Hostname(); err == nil {
+		parts = append(parts, hostname)
+	}
+
+	// 获取所有非回环网卡的 MAC 地址，排序后取第一个（最稳定）
+	if interfaces, err := net.Interfaces(); err == nil {
+		var macs []string
+		for _, iface := range interfaces {
+			// 跳过回环接口、没有 MAC 地址的接口、虚拟接口
+			if iface.Flags&net.FlagLoopback != 0 || len(iface.HardwareAddr) == 0 {
+				continue
+			}
+			// 跳过 docker/veth 等虚拟网卡
+			name := strings.ToLower(iface.Name)
+			if strings.HasPrefix(name, "docker") || strings.HasPrefix(name, "veth") ||
+				strings.HasPrefix(name, "br-") || strings.HasPrefix(name, "virbr") {
+				continue
+			}
+			macs = append(macs, iface.HardwareAddr.String())
+		}
+		sort.Strings(macs)
+		// 只使用第一个 MAC 地址（最稳定）
+		if len(macs) > 0 {
+			parts = append(parts, macs[0])
+		}
+	}
+
+	// 操作系统和架构
+	parts = append(parts, runtime.GOOS, runtime.GOARCH)
+
+	data := strings.Join(parts, "|")
+	hash := sha256.Sum256([]byte(data))
+	return hex.EncodeToString(hash[:])
+}