$ ./bin/arctl skill publish .playground/repo-compliance --docker-url localhost:5002/skills --tag v0.1.0 --push
Publishing skill from: /work/agentregistry/.playground/repo-compliance
Found 1 skill(s) to publish
Processing skill: /work/agentregistry/.playground/repo-compliance
Building Docker image (Dockerfile via stdin): docker build -t localhost:5002/skills/repo-compliance:v0.1.0:v0.1.0 -f - /work/agentregistry/.playground/repo-compliance
[+] Building 0.0s (0/0)                                                                                                                         docker:default
ERROR: invalid tag "localhost:5002/skills/repo-compliance:v0.1.0:v0.1.0": invalid reference format
Error: one or more errors occurred during publishing: failed to build skill '/work/agentregistry/.playground/repo-compliance': docker build failed: exit status 1
Usage:
  arctl skill publish <skill-folder-path> [flags]

Flags:
      --docker-url string   Docker registry URL. For example: docker.io/myorg. The final image name will be <docker-url>/<skill-name>:<tag>
      --dry-run             Show what would be done without actually doing it
  -h, --help                help for publish
      --platform string     Target platform(s) for the build (e.g., linux/amd64, linux/arm64, or linux/amd64,linux/arm64)
      --push                Automatically push to Docker and agent registries
      --tag string          Docker image tag to use (default "latest")

Global Flags:
      --registry-token string   Registry bearer token (overrides ARCTL_API_TOKEN)
      --registry-url string     Registry base URL (overrides ARCTL_API_BASE_URL; default http://localhost:12121)
  -v, --verbose                 Enable verbose output