+- Raise web fetch and map visible-output limit to 100,000 characters and improve invalid-argument errors
- Remove RTK `find -path` compatibility probing and guard; `find` rewrites now apply directly
- Harden dynamic-extension validator protocol handling and share workflow preparation across command and tool runs
- Identify Ultra child assignments by workflow, phase, and agent; attribute interpolated prior-agent output to its immediate producers, preserve provenance through fanout transformations, and invalidate checkpoints when attribution changes