Schema Service — pyrite

Programmatic management of kb.yaml type schemas. Provides add, remove, show, and set operations for type definitions without manual YAML editing.

Key Methods

`add_type(kb_name, type_name, definition)` — adds a type definition to kb.yaml

`remove_type(kb_name, type_name)` — removes a type definition

`show_schema(kb_name)` — returns the full schema for a KB

`set_field(kb_name, type_name, field_name, field_def)` — adds/updates a field on a type

CLI: `pyrite schema diff`, `pyrite schema migrate`

MCP: `kb_schema` tool (read), `kb_manage` tool (write)

schema-validation — KBSchema that this service manages

config-system — KBConfig provides path to kb.yaml