reopt Handbook
English handbook collection for practical AI engineering operations.
The English locale ships localized handbooks book by book. Additional books stay unavailable in English until their content is translated and registered under this locale.
Claude Code Complete Guide
Multi-session workflows, subagents, hooks, MCP, and team operating patterns for Claude Code.
Claude Code Command Master
A practical command catalog for Claude Code v2.1-era CLI, slash commands, skills, and web automation.
Developer Unlearning
Mindset shifts, team workflows, and engineering habits for the agentic coding era.