v0.7.0

feat: role reader output; bubbler example to current templates; v0.7.0

Optional Phase 5 output: role_reader.html built by scripts/build_role_reader.py
from the run's .md files plus roles.json, validated against the documents.
Bubbler gains §9 DfX, Dependencies, Appendix and a worked roles.json.
README: Route 1 needs a paid plan; capability renamed 'Create and edit files'.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>