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/static/no_embed.go

@@ -0,0 +1,42 @@
+//go:build !web
+
+package static
+
+import (
+	"io/fs"
+	"os"
+	"path/filepath"
+)
+
+// DefaultStaticDir 是 Docker 模式下默认的静态资源目录
+const DefaultStaticDir = "/www/taskpool"
+
+func GetFS() fs.FS {
+	dir := getStaticDir()
+	if dir == "" {
+		return nil
+	}
+	return os.DirFS(dir)
+}
+
+func ReadFile(name string) ([]byte, error) {
+	dir := getStaticDir()
+	if dir == "" {
+		return nil, os.ErrNotExist
+	}
+	return os.ReadFile(filepath.Join(dir, name))
+}
+
+func getStaticDir() string {
+	// 优先从环境变量读取
+	if dir := os.Getenv("BH_STATIC_DIR"); dir != "" {
+		if _, err := os.Stat(dir); err == nil {
+			return dir
+		}
+	}
+	// 回退到默认目录
+	if _, err := os.Stat(DefaultStaticDir); err == nil {
+		return DefaultStaticDir
+	}
+	return ""
+}