[QA Fix] fix(ckpt): reject unowned export metadata at every PP size #6399

Summary

This retrospective issue records a bug fixed by QA in NVIDIA-NeMo/Megatron-Bridge.

Fix record

• QA fix owner: @pruprakash
• Resolved by merged PR: fix(ckpt): reject unowned export metadata at every PP size #5585
• Fix branch: pruprakash/fix_ckpt_automapping_pp_skip_unowned_param
• Merge commit: 14d07370b5601be5afb0af9d78898c11ca083b58
• Merged: 2026-10-09

Delivered fix

fix(ckpt): reject unowned export metadata at every PP size

Resolution

The change and its validation are documented in PR #5585.

This issue is being closed as completed because PR #5585 is already merged.