The API exposes a GET /metrics endpoint that reports concurrency metrics including active_executions, max_concurrent, and available_slots so that runtime capacity can be observed externally.

GET /metrics — Concurrency metrics

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

active_executions

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

max_concurrent

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

available_slots

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md