add reading settings sync

internal/server/server.go

@@ -485,6 +485,12 @@ func (s *Server) setupRouter() {
 				r.Use(middleware.RequireAuth(s.authIssuer, s.userRepo))
 				r.Patch("/me", s.userH.UpdateProfile)
 				r.Post("/me/avatar-presign", s.userH.AvatarPresign)
+				// Reading prefs roam with the account so theme/palette/
+				// font picks follow the user across devices. Body shape
+				// is owned by the frontend; the server treats it as an
+				// opaque JSON object.
+				r.Get("/me/reading-prefs", s.userH.GetReadingPrefs)
+				r.Put("/me/reading-prefs", s.userH.UpdateReadingPrefs)
 			})
 		})