Run artifact

evidence/prompt_outputs/20260812.190933.972Z_commonmark_build_codex.output.txt

RESULT: SUCCESS

FILES CHANGED:
- renderer/html.py

SUMMARY:
Fixed nested image alt-text extraction. Links/Images scope passes: 112 passed.

BLOCKERS:
- `sh full_test.sh` still fails on unrelated list/block parsing cases outside this build block.