Replace Web Push and its service worker with page notifications over SSE

internal/server/notifications.go

@@ -0,0 +1,21 @@
+package server
+
+import (
+	"net/http"
+
+	"g.fc.run/misc/byre/internal/api"
+)
+
+func (s *Server) UpdateNotificationPrefs(w http.ResponseWriter, r *http.Request) {
+	req := api.NotificationPrefs{}
+	if !readJSON(w, r, &req) {
+		return
+	}
+
+	u, err := s.store.UpdateNotificationPrefs(r.Context(), actor(r), req)
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, u)
+}