Keep complex codebases planned and tested.
Guides complex repository work through architectural planning, specialized skills, verification, and persistent project memory.
When to use it
Use when managing complex repositories with an architectural governance workflow.
It changes how the agent develops project code by requiring a strategic question, architectural planning, test-first implementation, and evidence-backed verification.
What you provide
The execution loop explicitly requires using this skill to create tactical plans.
Enables the bundled JavaScript lifecycle hooks, including automatic session initialization.
Routes UI/UX work to this internal skill; the files do not state that it is required for unrelated work.
This skill
Claude Code session transcripts
Reads Claude Code session history