Model library replaces the public cap.json read

api-reference/error-codes.mdx

@@ -151,7 +151,7 @@ This page is generated from agentsfleetd's error registry (`make gen-error-codes
 | `UZ-PROVIDER-001` | 400 | secret_ref required when mode=self_managed | PUT body must include `secret_ref` naming a vault credential when `mode` is self_managed. |
 | `UZ-PROVIDER-002` | 400 | Secret row not found in vault | The named secret_ref has no vault row in the tenant's primary workspace. Run `agentsfleet secret add <name> --data=@-` to create it. |
 | `UZ-PROVIDER-003` | 400 | Secret JSON missing required field | Stored secret JSON must include `provider` and `model` (non-empty strings); `api_key` is required for a named provider but optional for an `openai-compatible` endpoint. Re-run `agentsfleet secret add` with the required fields. |
-| `UZ-PROVIDER-004` | 400 | Model not in library | The effective model is not present in core.model_library. Pick a model from the model-caps endpoint or request the library be extended. |
+| `UZ-PROVIDER-004` | 400 | Model not in library | The effective model is not present in core.model_library. Pick a model from the model library (`GET /v1/models`, or the admin list) or request the library be extended. |
 | `UZ-PROVIDER-005` | 400 | Custom endpoint base_url invalid or unsafe | An openai-compatible credential needs a valid `base_url`: it must use https and must not target a loopback, private, link-local, or cloud-metadata host. A non-openai-compatible provider must not carry a `base_url`. |
 | `UZ-PROVIDER-006` | 404 | Library model not found | No core.model_library row matches this id. List the library to find a valid id, or add the model first. |
 | `UZ-PROVIDER-007` | 409 | Library model is the active platform default | This model is the active platform default. Point the default at another library model before deleting it. |