chore: bootstrap project structure

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

CLAUDE.md

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+# CLAUDE.md
+# Agent instructions. Each line is a trigger for an installed skill.
+
+talk like a caveman
+use superpowers
+use project wiki
+use task management system
+check across all projects
+pull remote before work
+follow project discipline
+follow tdd-criteria
+delegate to interns when allowed
+recommend, don't menu
+we're on Windows