{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "historical_snapshot_notice": "The beta1 contract, network availability, C0/M0, and authority fields below describe the pinned historical teaching snapshot, not current hosted availability.",
  "current_product_status": {
    "summary": "Hosted Evaluate is in controlled free soak (2026-09-16.beta2). Access is restricted. Selection is not execution. The offline kit is the pinned beta1 teaching snapshot.",
    "live_version": "2026-09-16.beta2",
    "kit_version": "2026-09-16.beta1",
    "route": "POST /v1/evaluations",
    "profile_id": "deltax-hosted-bounded-review-evaluation-v1",
    "access": "restricted",
    "stage": "controlled free soak",
    "x402_enabled": false,
    "generally_available": false
  },
  "contract_name": "DeltaX Evaluate Hosted Bounded Review \u2014 Developer Preview",
  "contract_version": "2026-09-16.beta1",
  "status": "frozen_design_contract_c0_m0_no_live_endpoint",
  "public_contract": {
    "path": "openapi.yaml",
    "sha256": "4a638426371640b0833c6db0bebaede3e1070ce0d6b6ad89b62e4d1117ad6c1e"
  },
  "network": {
    "server_url": "https://api.deltaxevaluate.com",
    "server_url_is_planned_launch_hostname": true,
    "server_url_is_available": false,
    "token_url": "https://auth.deltax.invalid/oauth/token",
    "token_url_is_non_routable_placeholder": true,
    "live_endpoint_established": false
  },
  "operation": {
    "method": "POST",
    "path": "/v1/evaluations",
    "other_routes_or_methods_admitted": false,
    "request_media_type": "application/json",
    "success_media_type": "application/json",
    "error_media_type": "application/problem+json",
    "deadline_milliseconds": 5000
  },
  "authentication": {
    "type": "oauth2_client_credentials",
    "required_scope": "deltax:evaluate",
    "tenant_and_principal_are_server_bound": true,
    "request_may_select_tenant_or_principal": false,
    "authentication_grants_action_authority": false
  },
  "required_headers": {
    "X-DeltaX-API-Version": {
      "const": "2026-09-16.beta1"
    },
    "Idempotency-Key": {
      "min_length": 16,
      "max_length": 128,
      "pattern": "^[A-Za-z0-9._~-]+$"
    }
  },
  "request": {
    "schema": "schemas/evaluation-request.schema.json",
    "profile_id": "deltax-hosted-bounded-review-evaluation-v1",
    "candidate_count": {
      "minimum": 1,
      "maximum": 8
    },
    "selectable_semantic_classes": [
      "analyze",
      "compare",
      "draft",
      "validate"
    ],
    "shadow_only_semantic_classes": [
      "external"
    ],
    "unknown_semantic_class_disposition": "422_fail_closed"
  },
  "response": {
    "schema": "schemas/evaluation-response.schema.json",
    "outcomes": [
      "selected",
      "governed_noop_refusal"
    ],
    "service_generated_fallback": "governed_noop_refusal",
    "lambda_gate_ids": [
      "HES-G01",
      "HES-G02",
      "HES-G03",
      "HES-G04",
      "HES-G05",
      "HES-G06",
      "HES-G07",
      "HES-G08",
      "HES-G09",
      "HES-G10",
      "HES-G11",
      "HES-G12"
    ],
    "required_false_trace_flags": [
      "submitted_candidate_executed",
      "external_effect",
      "learning_applied",
      "operator_reported_context_verified"
    ],
    "required_false_authority_flags": [
      "selected_is_executed",
      "selected_is_correct_or_safe",
      "response_authorizes_downstream_action",
      "response_is_professional_advice",
      "trace_is_certification_or_legal_non_repudiation"
    ]
  },
  "errors": {
    "schema": "schemas/error-response.schema.json",
    "status_to_code": {
      "400": "invalid_request",
      "401": "unauthenticated",
      "403": "forbidden",
      "408": "request_timeout",
      "409": "idempotency_conflict",
      "413": "payload_too_large",
      "415": "unsupported_media_type",
      "422": "unprocessable_content",
      "429": "rate_limited",
      "431": "headers_too_large",
      "500": "internal_failure",
      "503": "service_unavailable"
    },
    "retryable_statuses": [
      408,
      429,
      503
    ],
    "retry_after_required_statuses": [
      429,
      503
    ]
  },
  "client_rules": {
    "automatic_retries": false,
    "follow_redirects": false,
    "send_credentials_to_invalid_placeholder": false,
    "accept_unknown_response_fields": false,
    "accept_true_effect_or_authority_flags": false
  },
  "authority": {
    "submitted_candidate_executed": false,
    "external_effect": false,
    "learning_applied": false,
    "operator_reported_context_verified": false,
    "selected_is_executed": false,
    "selected_is_correct_or_safe": false,
    "response_authorizes_downstream_action": false,
    "response_is_professional_advice": false,
    "trace_is_certification_or_legal_non_repudiation": false
  }
}