API Evangelist enhancements for SNHP Evolution Arena

overlay: 1.0.0
info:
  title: API Evangelist enhancements for SNHP Evolution Arena
  version: 1.0.0
  description: 'Overlay generated 2026-09-19 (method: generated). Adds the missing servers[] and marks the admin/hit
    operations. Applies to openapi/snhp-dev-arena-openapi.yml.'
extends: openapi/snhp-dev-arena-openapi.yml
actions:
- target: $
  update:
    servers:
    - url: https://arena.snhp.dev
      description: Arena host — the served spec declares no servers[]; llms.txt names arena.snhp.dev
- target: $.info
  update:
    x-apievangelist:
      profiled: '2026-09-19'
      note: Public read surface for the always-on evolution sim, the gauntlet/PAR game and the divorce demo; POST
        /arena/admin/{action} is an operator control and POST /arena/champion, /hit, /api/hit are write endpoints
        with undeclared bodies.
- target: $.paths['/arena/admin/{action}'].post
  update:
    x-apievangelist-note: Operator/admin control surface exposed in the public spec; no securityScheme declared.
      Not exercised.
- target: $.paths['/par/advise'].post
  update:
    x-backed-by: the SNHP engine (same math as snhp.dev POST /v1/negotiate/turn)