{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://go-sip.local/contracts/proposals/config-read-v0.3.schema.json",
  "title": "Project-local F01 contract: read-only configuration responses; external SaaS compatibility unverified",
  "oneOf": [
    {"$ref": "#/$defs/sip_response"},
    {"$ref": "#/$defs/task_response"},
    {"$ref": "#/$defs/tenant_quota_response"},
    {"$ref": "#/$defs/error_response"}
  ],
  "$defs": {
    "sip_response": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schema_version", "resource", "dispatcher_id", "revision", "approved_at", "trunks"],
      "properties": {
        "schema_version": {"const": "config-read.v0.3"},
        "resource": {"const": "sip_config"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "revision": {"type": "integer", "minimum": 1},
        "approved_at": {"type": "string", "format": "date-time"},
        "trunks": {
          "type": "array", "minItems": 1, "maxItems": 32,
          "items": {"$ref": "#/$defs/trunk"}
        }
      }
    },
    "task_response": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schema_version", "resource", "dispatcher_id", "tenant_id", "tenant_key", "task_id", "task_revision", "status", "max_concurrent_calls", "ring_timeout_ms", "max_call_duration_ms", "route_policy_id", "caller_profile_id", "allowed_trunk_ids", "schedule", "agent"],
      "properties": {
        "schema_version": {"const": "config-read.v0.1"},
        "resource": {"const": "task_config"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "tenant_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "tenant_key": {"type": "string", "minLength": 1, "maxLength": 196, "$comment": "Validate <=196 UTF-8 bytes in business logic; preserve the original value and do not place tenant_key in queue/routing names."},
        "task_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,128}$"},
        "task_revision": {"type": "integer", "minimum": 1},
        "status": {"enum": ["running", "paused", "stopped", "finished"]},
        "name": {"type": "string", "minLength": 1, "maxLength": 256},
        "group_id": {"type": ["string", "null"], "maxLength": 128},
        "max_concurrent_calls": {"type": "integer", "minimum": 1},
        "ring_timeout_ms": {"type": "integer", "minimum": 1},
        "max_call_duration_ms": {"type": "integer", "minimum": 1},
        "route_policy_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "caller_profile_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "allowed_trunk_ids": {"type": "array", "minItems": 1, "maxItems": 32, "uniqueItems": true, "items": {"type": "string", "minLength": 1, "maxLength": 128}},
        "schedule": {"$ref": "#/$defs/task_schedule"},
        "agent": {"$ref": "#/$defs/agent"}
      }
    },
    "tenant_quota_response": {
      "type": "object", "additionalProperties": false,
      "required": ["schema_version", "resource", "dispatcher_id", "tenant_id", "tenant_key", "quota_revision", "max_concurrent_calls", "valid_until"],
      "properties": {
        "schema_version": {"const": "config-read.v0.1"},
        "resource": {"const": "tenant_quota"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "tenant_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "tenant_key": {"type": "string", "minLength": 1, "maxLength": 196},
        "quota_revision": {"type": "integer", "minimum": 1},
        "max_concurrent_calls": {"type": "integer", "minimum": 0},
        "valid_until": {"type": "string", "format": "date-time"}
      },
      "$comment": "Project-local response: assigned share for this Dispatcher, aggregated across all tasks of the tenant. Validate tenant_id/tenant_key mapping and valid_until in business logic."
    },
    "error_response": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schema_version", "resource", "error"],
      "properties": {
        "schema_version": {"const": "config-read.v0.1"},
        "resource": {"const": "error"},
        "error": {
          "type": "object", "additionalProperties": false,
          "required": ["code", "message"],
          "properties": {
            "code": {"enum": ["invalid_request", "unauthorized", "dispatcher_not_authorized", "resource_not_found", "tenant_quota_unavailable", "service_unavailable"]},
            "message": {"type": "string", "minLength": 1, "maxLength": 256}
          }
        }
      }
    },
    "dispatcher_id": {
      "type": "string", "format": "uuid",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
    },
    "trunk": {
      "type": "object", "additionalProperties": false,
      "required": ["trunk_id", "provider_id", "codec", "dial_prefix", "enabled", "server_host", "server_port", "transport", "auth_mode", "registration_required", "max_concurrent_calls", "caller_profiles", "schedule"],
      "properties": {
        "trunk_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "provider_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "codec": {"const": "PCMA"},
        "dial_prefix": {"type": "string", "maxLength": 32},
        "enabled": {"type": "boolean"},
        "server_host": {"type": "string", "minLength": 1, "maxLength": 255},
        "server_port": {"type": "integer", "minimum": 1, "maximum": 65535},
        "transport": {"enum": ["udp", "tcp", "tls", null]},
        "auth_mode": {"enum": ["ip", "digest", "none", null]},
        "registration_required": {"type": ["boolean", "null"]},
        "max_concurrent_calls": {"type": ["integer", "null"], "minimum": 1},
        "caller_profiles": {
          "type": "array", "minItems": 1, "maxItems": 32,
          "items": {
            "type": "object", "additionalProperties": false,
            "required": ["caller_profile_id", "caller_id"],
            "properties": {
              "caller_profile_id": {"type": "string", "minLength": 1, "maxLength": 128},
              "caller_id": {"type": "string", "minLength": 1, "maxLength": 64}
            }
          }
        },
        "schedule": {"$ref": "#/$defs/weekly_schedule"}
      }
    },
    "agent": {
      "type": "object", "additionalProperties": false,
      "required": ["agent_version_id", "authorization_id", "authorization_expires_at", "config"],
      "properties": {
        "agent_version_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "authorization_id": {"type": "string", "minLength": 1, "maxLength": 128},
        "authorization_expires_at": {"type": "string", "format": "date-time"},
        "config": {"$ref": "https://go-sip.local/contracts/v1/ai-config.schema.json"}
      }
    },
    "task_schedule": {
      "type": "object", "additionalProperties": false,
      "required": ["time_zone", "starts_at", "ends_at", "weekly_windows", "excluded_dates"],
      "properties": {
        "time_zone": {"const": "Asia/Shanghai"},
        "starts_at": {"type": ["string", "null"], "format": "date-time"},
        "ends_at": {"type": ["string", "null"], "format": "date-time"},
        "weekly_windows": {"$ref": "#/$defs/weekly_windows"},
        "excluded_dates": {
          "type": "array", "uniqueItems": true,
          "items": {"type": "string", "format": "date"}
        }
      }
    },
    "weekly_schedule": {
      "type": "object", "additionalProperties": false,
      "required": ["time_zone", "weekly_windows"],
      "properties": {
        "time_zone": {"const": "Asia/Shanghai"},
        "weekly_windows": {"$ref": "#/$defs/weekly_windows"}
      }
    },
    "weekly_windows": {
      "type": "object", "additionalProperties": false,
      "required": ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"],
      "properties": {
        "monday": {"$ref": "#/$defs/windows"},
        "tuesday": {"$ref": "#/$defs/windows"},
        "wednesday": {"$ref": "#/$defs/windows"},
        "thursday": {"$ref": "#/$defs/windows"},
        "friday": {"$ref": "#/$defs/windows"},
        "saturday": {"$ref": "#/$defs/windows"},
        "sunday": {"$ref": "#/$defs/windows"}
      }
    },
    "windows": {"type": "array", "items": {"$ref": "#/$defs/window"}, "$comment": "Each window is left-closed/right-open, start < end, and windows within a day must not overlap. Cross-midnight windows are split across two weekdays; 24:00 is allowed only as end."},
    "window": {
      "type": "object", "additionalProperties": false,
      "required": ["start", "end"],
      "properties": {
        "start": {"type": "string", "pattern": "^(?:[01][0-9]|2[0-3]):[0-5][0-9]$"},
        "end": {"type": "string", "pattern": "^(?:(?:[01][0-9]|2[0-3]):[0-5][0-9]|24:00)$"}
      }
    }
  }
}