// Package web bundles the frontend (HTML/JS/CSS) into the Go binary
// via embed.FS so deploying mCables means shipping one file.
package web

import (
	"embed"
	"io/fs"
)

//go:embed all:static
var assets embed.FS

// Static returns the frontend filesystem rooted at the package's static/
// dir so callers see index.html at "/".
func Static() fs.FS {
	sub, err := fs.Sub(assets, "static")
	if err != nil {
		// embed sub-rooting can only fail if "static" doesn't exist,
		// which is a build-time error. Panic is the right shape.
		panic(err)
	}
	return sub
}