v0.3.0

Breaking Changes

• Unknown schema type names now raise ValueError instead of silent string fallback
• Type aliases added: int→integer, float→number, bool→boolean, str→string

New Features

• P002 lint rule: pattern-based prompt injection detection (16 patterns)
• Prompt injection warning in _check_template_trust() during assemble
• Prompt Design Guide (en/ja) with security countermeasures section
• Type Conversion reference docs (en/ja)

Improvements

• Samples restructured from .katar ZIPs to readable directory layout
• scan_results.katar template and gospelo-kata-dict skill added
• Built-in templates migrated to unified block format
• _work directory excluded from git and pip package

Docs

• README documentation links updated (prompt-design-guide, type-conversion)
• vscode-kata-lint README updated with P001/P002 rules
• Release procedure updated with document consistency check

Fix

• test_validator false pass on YAML-parsed invalid JSON