fix(httpapi): phase 1 compliance — ERR-01, SEC-04, CDN client, scheduler docs

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/evobgp-scheduler/main.go

@@ -41,6 +41,9 @@ func main() {
 
 	apiBase := strings.TrimSpace(os.Getenv("EVOBGP_CONTROL_PLANE_URL"))
 	apiTok := strings.TrimSpace(os.Getenv("EVOBGP_SCHEDULER_BEARER"))
+	if os.Getenv("EVOBGP_SCHEDULER_STANDALONE") == "1" && apiBase == "" {
+		log.Fatal("evobgp-scheduler: EVOBGP_SCHEDULER_STANDALONE=1 requires EVOBGP_CONTROL_PLANE_URL and EVOBGP_SCHEDULER_BEARER (split deploy must not use in-process jobs.Registry)")
+	}
 	deps := &scheduler.Deps{
 		Store: st,
 		HTTP:  &http.Client{Timeout: 45 * time.Second},