The tool decorator supports runtime behavior flags including requires_context, is_base_tool, subagent_prohibited, approval_required, and bypass_size_guard so that tools can declare execution constraints and capabilities.

Key decorator flags:

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

`requires_context`

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

`is_base_tool`

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

`subagent_prohibited`

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

`approval_required`

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

`bypass_size_guard`

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md