KCL import crd generates invalid schema names with Protocol in name

[project0]

Bug Report

When a property name in CustomerResourceDefinition ends with Protocol it conflicts with allowed name pattern of KCL.
As Protocol is a reserved keyword it fails to compile.

I have seen this problem with the traefik CRDs. I am aware there is an predefined module, but it looks like it just ignored the references and it has been just removed as workaround.

1. Minimal reproduce step (Required)

1. fetch https://raw.githubusercontent.com/traefik/traefik/refs/heads/master/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
2. kcl import -m crd kubernetes-crd-definition-v1.yml
3. kcl run models/v1alpha1/

Problematic code:

schema TraefikIoV1alpha1ServersTransportTCPSpec:
    r"""
    ServersTransportTCPSpec defines the desired state of a ServersTransportTCP.

    Attributes
    ----------
    dialKeepAlive : int | str, default is Undefined, optional
        DialKeepAlive is the interval between keep-alive probes for an active network connection. If zero, keep-alive probes are sent with a default value (currently 15 seconds), if supported by the protocol and operating system. Network protocols or operating systems that do not support keep-alives ignore this field. If negative, keep-alive probes are disabled.
    dialTimeout : int | str, default is Undefined, optional
        DialTimeout is the amount of time to wait until a connection to a backend server can be established.
    proxyProtocol : TraefikIoV1alpha1ServersTransportTCPSpecProxyProtocol, default is Undefined, optional
        proxy protocol
    terminationDelay : int | str, default is Undefined, optional
        TerminationDelay defines the delay to wait before fully terminating the connection, after one connected peer has closed its writing capability.
    tls : TraefikIoV1alpha1ServersTransportTCPSpecTLS, default is Undefined, optional
        tls
    """


    dialKeepAlive?: int | str

    dialTimeout?: int | str

    proxyProtocol?: TraefikIoV1alpha1ServersTransportTCPSpecProxyProtocol

    terminationDelay?: int | str

    tls?: TraefikIoV1alpha1ServersTransportTCPSpecTLS


    check:
        _regex_match(str(dialKeepAlive), r"^([0-9]+(ns|us|µs|ms|s|m|h)?)+$") if dialKeepAlive
        _regex_match(str(dialTimeout), r"^([0-9]+(ns|us|µs|ms|s|m|h)?)+$") if dialTimeout
        _regex_match(str(terminationDelay), r"^([0-9]+(ns|us|µs|ms|s|m|h)?)+$") if terminationDelay


schema TraefikIoV1alpha1ServersTransportTCPSpecProxyProtocol:
    r"""
    ProxyProtocol holds the PROXY Protocol configuration.

    Attributes
    ----------
    version : int, default is Undefined, optional
        Version defines the PROXY Protocol version to use.
    """


    version?: int


    check:
        version <= 2 if version not in [None, Undefined]
        version >= 1 if version not in [None, Undefined]

2. What did you expect to see? (Required)

valid code that can be imported

3. What did you see instead (Required)

error[E2L23]: CompileError
   --> /home/richard/data/code/git/github.com/flowers-software/f8s/tmp/models/v1alpha1/traefik_io_v1alpha1_ingress_route_tcp.k:183:8
    |
183 | schema TraefikIoV1alpha1IngressRouteTCPSpecRoutesItems0ServicesItems0ProxyProtocol:
    |        ^ a protocol is only allowed to define attributes in it
    |


error[E2L23]: CompileError
  --> /home/richard/data/code/git/github.com/flowers-software/f8s/tmp/models/v1alpha1/traefik_io_v1alpha1_servers_transport_tcp.k:75:8
   |
75 | schema TraefikIoV1alpha1ServersTransportTCPSpecProxyProtocol:
   |        ^ a protocol is only allowed to define attributes in it
   |

4. What is your KCL components version? (Required)

kcl version 0.11.4