[High-level system design approach]
[Only major libraries that influence development patterns]
[e.g., TypeScript strict mode, no any]
[e.g., ESLint, Prettier rules]
[e.g., Jest, coverage requirements]
[Key tools and version requirements]
# Dev: [command]
# Build: [command]
# Test: [command]
[Important architectural choices and rationale]
Document standards and patterns, not every dependency