fix(landing): clarify OIDC is free, SAML is enterprise on pricing (#461)

Add an OIDC / SSO login line to the Open Source tier and narrow the Enterprise bullet to SAML SSO + SSO enforcement. OIDC login ships in the free open-source build (env-gated, no license); only SAML and SSO enforcement are licensed.

apps/landing/src/components/Pricing.astro

@@ -45,6 +45,7 @@ const checkIcon =
           "Pipeline automation & batch processing",
           "19 local AI tools",
           "Multi-user with role-based access",
+          "OIDC / SSO login (Google, Okta, any provider)",
           "21 languages",
           "Docker, Kubernetes, bare metal",
           "ARM and x86, air-gapped ready",
@@ -86,7 +87,7 @@ const checkIcon =
           {[
             "Everything in Open Source",
             "Commercial license (no AGPL)",
-            "SAML SSO + OIDC integration",
+            "SAML SSO + SSO enforcement",
             "SCIM provisioning",
             "Multi-factor authentication",
             "Multi-tenancy",