cleanups and code fixes incl templ

server/handler/snapshotMigrate.go

@@ -15,6 +15,11 @@ import (
 // @Failure 500 {object} models.SnapshotMigrationResponse "Server error"
 // @Router /api/snapshots/migrate [post]
 func (h *Handler) SnapshotMigrate(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		writeJSONError(w, http.StatusMethodNotAllowed, "method not allowed")
+		return
+	}
+
 	ctx, cancel := withRequestTimeout(r, reportRequestTimeout)
 	defer cancel()
 	stats, err := report.MigrateSnapshotRegistry(ctx, h.Database)