chore(release): initialize separated production env

scripts/validate_release_env.py

@@ -83,7 +83,7 @@ def validate(values: dict[str, str], strict_external: bool) -> list[str]:
         errors.append("DEBUG must be false in production")
 
     external_requirements = []
-    if strict_external or is_enabled(values.get("ENABLE_EMAIL_DELIVERY")):
+    if is_enabled(values.get("ENABLE_EMAIL_DELIVERY")):
         external_requirements.extend(REQUIRED_SMTP)
     if strict_external:
         external_requirements.extend(REQUIRED_OSS)
@@ -117,7 +117,7 @@ def main() -> int:
     parser.add_argument(
         "--strict-external",
         action="store_true",
-        help="Require SMTP, Redis sessions, and OSS credentials for production readiness.",
+        help="Require Redis sessions and OSS credentials for production readiness. SMTP is required only when ENABLE_EMAIL_DELIVERY=true.",
     )
     args = parser.parse_args()