- reflowed long lines (texts unchanged; generated launcher/PowerShell/README texts byte-identical)
- CONTRIBUTING, SECURITY, CODE_OF_CONDUCT, THIRD_PARTY_NOTICES; pyproject metadata (SPDX licence, authors, urls,
classifiers, keywords)
- maintainer-only notes moved to a git-ignored CLAUDE.local.md; CLAUDE.md facts updated
- README: what kinds of apps run and how; INSTALL: PC VR and Files wording, new labels
