diff --git a/.env.example b/.env.example
index d05df17a18..6fa14d9308 100644
--- a/.env.example
+++ b/.env.example
@@ -1817,6 +1817,10 @@ APP_LOG_TO_FILE=true
 # Per-attempt HTTP timeout for CLI → server calls (milliseconds). Default: 30000.
 # OMNIROUTE_HTTP_TIMEOUT_MS=30000
 
+# How long `omniroute serve` waits for the health endpoint before printing the
+# readiness-timeout warning (milliseconds). Also --ready-timeout. Default: 60000.
+# OMNIROUTE_READY_TIMEOUT_MS=60000
+
 # Set to 1 to print retry/backoff details to stderr during CLI commands.
 # OMNIROUTE_VERBOSE=0
 
diff --git a/scripts/check/check-env-doc-sync.mjs b/scripts/check/check-env-doc-sync.mjs
index 2f5d0b790f..d333a89649 100644
--- a/scripts/check/check-env-doc-sync.mjs
+++ b/scripts/check/check-env-doc-sync.mjs
@@ -223,6 +223,9 @@ const IGNORE_FROM_CODE = new Set([
   // Test-only override: points setup-open-code.mjs at a fixture plugin dir without
   // requiring the real bundled plugin to be built.
   "OMNIROUTE_OPENCODE_PLUGIN_DIR",
+  // Test-only escape hatch: makes getMachineIdRaw() skip the macOS ioreg strategy so
+  // machineId tests reach the fallback strategies on darwin (#13539). Not user config.
+  "DISABLE_IOREG_STRATEGY",
 ]);
 
 // Vars documented in ENVIRONMENT.md but intentionally absent from .env.example.