• Merge pull request #838 from kaitranntt/kai/feat/837-parallel-ai-review
• fix(ai-review): use printf for subagent prompt outputs, match existing pattern
• refactor(ai-review): switch --allowedTools to --tools for actual restriction
• fix(ai-review): address all review findings — restore allowedTools, add fallbacks
• refactor(ai-review): remove redundant allowedTools, enforce subagent dispatch
• feat(ai-review): parallel subagent review pipeline