Validation evidence: v4 "Fix node (recreate)" with string node ids

Implementation: 5a14b552389885e214526ffc47e11b10c70d49a3 on fix/v4-node-fixer-recreate, targeting manager-v4.

v4-node-fixer-recreate-pr-assets/annotated/: the captures with boxes and captions laid over them
v4-node-fixer-recreate-pr-assets/screens/: the unmodified browser captures
v4-node-fixer-recreate-pr-assets/evidence.json: what was captured, from which node_fixer.js, with hashes
v4-node-fixer-recreate-pr-assets/capture_evidence.cjs: the script that made the captures
manifest.json: checksums of the files here