feat(cli): show post-training checkpoint artifact revisions

[cursor]

Summary

• Display post-training checkpoint registry artifacts as artifact_id@revision_id when revision metadata is available.
• Surface registry artifact references in tg training ls-checkpoints and tg training get human-readable output.
• Add focused CLI coverage for checkpoint list/detail output.

Tests

• python3 -m pytest tests/cli/test_training.py
• python3 -m ruff check src/together/lib/cli/api/training/_display.py tests/cli/test_training.py

  

[broly-code-security-scanner]

Broly Security Scan

Note

✅ Clean scan
No vulnerabilities detected in this PR.

Note

Re-scan this PR anytime with /broly scan — useful after /broly undismiss, or to refresh findings without a new push.

Broly — SAST (GLM-5.3-Flash) · Secrets · SCA · IaC · GH Actions · Base Images · Supply Chain Threats · Attack Hypotheses · Adversarial Verification

We're continuously improving Broly's accuracy and finding quality — your feedback is valuable. False positives, missed findings, bugs, and feature requests all welcome.