- Document PEG grammar as single source of truth for .improv format
- Update file format section with v2025-04-09 syntax: version line,
Initial View, pipe quoting, Views→Formulas→Categories→Data order
- Add pipe quoting convention and grammar-driven testing principles
- Update file inventory (persistence: 124+2291 lines, 83 tests)
- Add pest/pest_meta to dependency table
- Update persistence testing guidance for grammar-walking generator
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Executed-By: spot
07c8f4a40a