chokmah-me/claude-code-playbook: 4.2.0 April 2026 refresh

What's New in v4.2.0 Updated to April 2026 best practices with modern agentic patterns. Changes Plan Mode integration replacing manual planning workflows Explore subagents for faster codebase analysis Persistent memory system (no more manual /clear resets) Modern token efficiency for high-context Claude 4.x models Task tracking for session continuity Documentation Full docs refresh across all guides to April 2026 standards Consistent version/date metadata across all files Discrepancy audit completed — legacy v3/v4.1 references resolved Migration from v4.1.x No breaking changes. Drop-in replacement — update your CLAUDE.md template from templates/CLAUDE.md.template. ───────────────────────────────────