lx-brandon door — Lx.Brandon, the brand brain (collection lx-brandon; gatekeeper Perry). Same bridge and tokens as brain.biostaq.com, scoped to lx-brandon. Authenticated endpoints: POST /mcp (MCP streamable HTTP), GET /search /vsearch /query /get /multi-get /status, POST /ingest + GET /ingests (propose content for review), GET /repos /repo/tree /repo/read /repo/grep /repo/log + POST /requirement (company code, read-only).