The write handler was building a hand-rolled map that dropped the type
and domain fields from writeArgs. Pass the struct directly so all fields
reach the ingestion server. Strengthen the test to assert the request
body contains the type field.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds the brain skill that proxies HTTP calls to the ingestion server,
exposing brain_query (/query) and brain_write (/write) as MCP tools.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
