v0.3.0

What's Changed

• chore: bump version to 0.3.0
• fix: address code review findings — path traversal guard, stale prompt rules, budget consistency
• feat: transform Round 2 from summarization to verification with source code
• fix: add factual guards and anti-filling bias to review prompts
• feat: enrich review context with full source files for modified code
• fix: split diff chunks by file boundary instead of word count
• docs: add implementation plan for review pipeline accuracy improvements
• fix: address critical and important code review findings
• chore: add hygiene hooks to pre-commit (whitespace, syntax, secret detection)
• chore: add versioned pre-commit config (prettier + cargo fmt + clippy)
• style: normalize YAML comment spacing
• fix(ci): harden release workflow after strict review
  Full Changelog: v0.2.0...v0.3.0