CARN cloud-bridge — local PoC

• /health — service status
• /telemetry/recent — last 50 OSD payloads (refresh)
• /pair — open this URL inside Pilot 2's "Open Platforms" portal on the RC

Public base URL Pilot 2 should hit: https://bridge.carn.ie/pair

EMQX dashboard: http://localhost:18083 (admin/public)