RCO-A2A - Japan jurisdiction door

The JP-ECO-10060 jurisdiction door of the RCO-A2A suite. Holds the real, signed rule set for Japan and answers A2A tasks with signed Regulatory Compliance Objects.

Rule set: JP-ECO-10060 - 2026.08 (hash sha256:4ae8283ff51cd0d7…).

A2A: /a2a - a DataPart {object_id, jurisdiction} is answered with the current RCO; commitment intents escalate CPG-451 to the two doors.

MCP: https://mcp.rco-a2a.ai/mcp.