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/supervisor/stub.go

@@ -0,0 +1,71 @@
+package supervisor
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	"drmdecryption/apps/streamd/internal/db"
+)
+
+// Stub marks streams as starting/stopped without spawning media workers.
+// Replaced by a real NRE/ffmpeg supervisor in Phase 2.
+type Stub struct {
+	Store *db.Store
+	mu    sync.Mutex
+	pids  map[int64]int
+}
+
+func NewStub(store *db.Store) *Stub {
+	return &Stub{Store: store, pids: map[int64]int{}}
+}
+
+func (s *Stub) Start(id int64) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	st, err := s.Store.GetStream(id)
+	if err != nil {
+		return err
+	}
+	if st.MPD == "" || st.Key == "" {
+		_, err = s.Store.DB.Exec(`
+INSERT INTO stream_runtime(stream_id,health,play_path,last_error,updated_at)
+VALUES(?,?,?,?,?)
+ON CONFLICT(stream_id) DO UPDATE SET health=excluded.health, last_error=excluded.last_error, updated_at=excluded.updated_at`,
+			id, "down", "/hls/"+st.Name+"/index.m3u8", "missing mpd/key - capture required", time.Now().UTC().Format(time.RFC3339))
+		return err
+	}
+	pid := 10000 + int(id)
+	s.pids[id] = pid
+	_, err = s.Store.DB.Exec(`
+INSERT INTO stream_runtime(stream_id,health,pid,play_path,uptime_s,playlist_age_s,last_error,updated_at)
+VALUES(?,?,?,?,0,1,'',?)
+ON CONFLICT(stream_id) DO UPDATE SET
+  health=excluded.health, pid=excluded.pid, play_path=excluded.play_path,
+  playlist_age_s=excluded.playlist_age_s, last_error='', updated_at=excluded.updated_at`,
+		id, "ok", pid, "/hls/"+st.Name+"/index.m3u8", time.Now().UTC().Format(time.RFC3339))
+	return err
+}
+
+func (s *Stub) Stop(id int64) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	delete(s.pids, id)
+	st, err := s.Store.GetStream(id)
+	name := fmt.Sprintf("%d", id)
+	if err == nil {
+		name = st.Name
+	}
+	_, err = s.Store.DB.Exec(`
+INSERT INTO stream_runtime(stream_id,health,pid,play_path,uptime_s,bitrate_mbps,playlist_age_s,last_error,updated_at)
+VALUES(?,?,0,?,0,0,0,'',?)
+ON CONFLICT(stream_id) DO UPDATE SET
+  health='stopped', pid=0, uptime_s=0, bitrate_mbps=0, playlist_age_s=0, last_error='', updated_at=excluded.updated_at`,
+		id, "stopped", "/hls/"+name+"/index.m3u8", time.Now().UTC().Format(time.RFC3339))
+	return err
+}
+
+func (s *Stub) Restart(id int64) error {
+	_ = s.Stop(id)
+	return s.Start(id)
+}