v0.2.0 — pip install & Agent CLI Skills

What's in v0.2.0

PyPI distribution and Agent CLI skills integration.

Distribution

• pip install spikuit — globally installs spkt CLI
• PyPI Trusted Publisher — tag push (v*) auto-publishes via GitHub Actions

Agent CLI Skills

• spkt skills install — copies /tutor, /learn, /qabot SKILL.md to target directory
• spkt skills list — shows available skills with descriptions
• Init wizard integration — spkt init prompts to install skills for Claude Code, Cursor, or Codex

Tutor Agent

• Redesigned from quiz runner to full tutor agent
• 6 actions: Diagnose → Lecture → Assess → Feedback → QA → Drill
• TutorAction enum and ExamResult model added to core

Documentation

• User-story focused restructuring — technical details moved to Appendix
• Jargon-free concepts page (no APPNP/STDP/LIF in user-facing docs)
• README rewritten around three use cases
• Full Japanese translation parity maintained

CLI

• --db → --brain migration complete (points to brain root directory, not db file)