Chapter 13▶
Hidden Features
Feature flag-gated hidden modules
“Behind every feature('FLAG') lies an unreleased product decision”
Key Source Files
src/buddy/
src/commands/ultraplan.tsx
src/utils/undercover.ts
src/entrypoints/cli.tsx
Total size ~ 500KB+
Run Demo
# Directly runnable
$ cd Deep-Dive-Claude-Code
$ npx tsx agents/s13_hidden_features.ts