v1.15.12

[v1.15.12] - 2026-05-02

Added

• Permission system with mode-based access control for agents and tools
• Subagent matching and routing logic
• Permission documentation (docs/claude-permission.md, docs/gen-permission.md)

Changed

• Refactor subagent executor, loader, and registry for improved type safety
• Improve bash AST parsing and setting merger