Latest Chapter correction: one numeric input, owner-gated (#149)

backend/internal/web/admin.go

@@ -47,6 +47,7 @@ func (h *Handler) adminRoutes() []adminRoute {
 		{"GET /admin/series", h.adminSeries},
 		{"GET /admin/series/{key}", h.adminSeriesDetail},
 		{"POST /admin/series/{key}/poll", h.adminSeriesPoll},
+		{"POST /admin/series/{key}/latest", h.adminSeriesCorrectLatest},
 		{"POST /admin/lanes/{site}/pause", h.adminLanePause},
 		{"POST /admin/lanes/{site}/resume", h.adminLaneResume},
 		{"GET /ui/admin/lanes", h.uiLanes},