Initial commit: Null DRM Official

Capture, decrypt, and restream toolkit with compiled-in app modules
(RTE, TG4, BBC), on-device MITM proxy, streamd control plane, and www.
BBC module.yaml is published (clear streams); other module values stay local.

apps/streamd/internal/ui/ui.go

@@ -0,0 +1,34 @@
+package ui
+
+import (
+	"embed"
+	"io/fs"
+	"net/http"
+)
+
+//go:embed index.html app.css app.js
+var files embed.FS
+
+func Handler() http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/" && r.URL.Path != "/index.html" {
+			http.NotFound(w, r)
+			return
+		}
+		b, err := files.ReadFile("index.html")
+		if err != nil {
+			http.Error(w, err.Error(), 500)
+			return
+		}
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		_, _ = w.Write(b)
+	})
+}
+
+func Static() http.Handler {
+	sub, err := fs.Sub(files, ".")
+	if err != nil {
+		panic(err)
+	}
+	return http.FileServer(http.FS(sub))
+}