Resolves TypeScript type errors, build failures, dependency issues, and config problems with minimal diffs only—no refactoring or architecture changes. Use proactively on build errors for quick fixes.

Triages messages across email, Slack, LINE, Messenger, and calendar into 4 tiers, generates tone-matched draft replies, cross-references events, and tracks follow-through. Delegate for multi-channel inbox workflows.

Software architecture specialist for system design, scalability, and technical decision-making. Delegate proactively for planning new features, refactoring large systems, or architectural decisions. Restricted to read/search tools.