jarvis-gateway: call our services without seeing keys.

  GET  /services                      what you can use (needs X-Jarvis-Token, or X-Jarvis-OIDC from GitHub Actions)
  GET  /whoami                        which client you are
  ANY  /proxy/<host>/<path>?<query>   forward a request; write {{KEY_NAME}} where the key goes in a header
  POST /exec  {"tool": "ssh"|"mysql"|"django", "product", "target", "input", "timeout"?, "async"?}
                                      run a command, query or Django-shell snippet on a production host
  GET  /exec/jobs/<id>                result of an async /exec (up to 15 minutes)
  POST /propose {"issue", "action": "intercom_reply"|"command", "summary", ...}
                                      propose an action in Crisper (only clients allowed to propose)
  POST /finish {"outcome", "summary", "issue"?}
                                      end this run (only clients with run tokens): the last call of every run
  POST /thread {"issue"}              what Apoorv wrote on the run's thread in Crisper (only clients with run tokens)
  POST /proposals/<id>/result {"exit", "output", "run_url", "comment_id"?, "comment_url"?}
                                      a command's result, from run-approved-command.yml (approved-runner only)
  POST /note {"issue", "body", "followup"?, "followup_cancel"?, "resolved"?}
                                      the agent's findings on its thread in Crisper, mirrored on the issue
  GET  /connectors                     the agent's connectors granted in Crisper, and their operations
  POST /connectors/call {"alias", "op", "args"}
                                      one operation through one of them (Crisper signs it)

  curl -s https://jarvis-gateway.apoorvparijat.workers.dev/proxy/sentry.io/api/0/organizations/ \
    -H "X-Jarvis-Token: $JARVIS_GATEWAY_TOKEN" -H "Authorization: Bearer {{SENDYBAY_SENTRY_KEY}}"