{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://go-sip.local/contracts/current/config-read.schema.json",
  "title": "Project-local read-only Dispatcher configuration; external SaaS compatibility unverified",
  "oneOf": [
    {"$ref": "#/$defs/sip"},
    {"$ref": "#/$defs/providers"},
    {"$ref": "#/$defs/task"},
    {"$ref": "#/$defs/quota"},
    {"$ref": "#/$defs/error"}
  ],
  "$defs": {
    "dispatcher_id": {"type": "string", "format": "uuid"},
    "tenant_id": {"type": "integer", "minimum": 1},
    "task_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,128}$"},
    "sip": {
      "type": "object", "additionalProperties": false,
      "required": ["resource", "dispatcher_id", "revision", "trunks"],
      "properties": {
        "resource": {"const": "sip_config"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "revision": {"type": "integer", "minimum": 1},
        "trunks": {"type": "array", "items": {"$ref": "#/$defs/trunk"}}
      }
    },
    "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},
        "provider_id": {"type": "string", "minLength": 1},
        "codec": {"const": "PCMA"},
        "dial_prefix": {"type": "string"},
        "enabled": {"type": "boolean"},
        "server_host": {"type": "string", "minLength": 1},
        "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", "items": {"type": "object", "additionalProperties": false, "required": ["caller_profile_id", "caller_id"], "properties": {"caller_profile_id": {"type": "string", "minLength": 1}, "caller_id": {"type": "string", "minLength": 1}}}},
        "schedule": {"$ref": "#/$defs/weekly_schedule"}
      }
    },
    "providers": {
      "type": "object", "additionalProperties": false,
      "required": ["resource", "dispatcher_id", "providers"],
      "properties": {
        "resource": {"const": "ai_providers"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "providers": {"type": "array", "items": {"$ref": "#/$defs/provider"}}
      }
    },
    "provider": {
      "type": "object", "additionalProperties": false,
      "required": ["provider_ref", "role", "enabled", "adapter", "endpoint", "credential"],
      "properties": {
        "provider_ref": {"type": "string", "minLength": 1},
        "role": {"enum": ["asr", "llm", "tts"]},
        "enabled": {"type": "boolean"},
        "adapter": {"type": "string", "minLength": 1},
        "endpoint": {"type": "string", "minLength": 1},
        "credential": {"type": "string", "minLength": 1, "$comment": "Value is supplied verbatim to the provider SDK. Never log its content."}
      }
    },
    "task": {
      "type": "object", "additionalProperties": false,
      "required": ["resource", "dispatcher_id", "tenant_id", "task_id", "task_revision", "status", "max_concurrent_calls", "ring_timeout_ms", "max_call_duration_ms", "route_policy_id", "caller_profile_id", "allowed_trunk_ids", "schedule", "agent"],
      "properties": {
        "resource": {"const": "task_config"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "tenant_id": {"$ref": "#/$defs/tenant_id"},
        "task_id": {"$ref": "#/$defs/task_id"},
        "task_revision": {"type": "integer", "minimum": 1},
        "status": {"enum": ["running", "paused", "stopped"]},
        "name": {"type": "string", "minLength": 1},
        "max_concurrent_calls": {"type": "integer", "minimum": 1},
        "ring_timeout_ms": {"type": "integer", "minimum": 1},
        "max_call_duration_ms": {"type": "integer", "minimum": 1},
        "route_policy_id": {"type": "string", "minLength": 1},
        "caller_profile_id": {"type": "string", "minLength": 1},
        "allowed_trunk_ids": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"type": "string", "minLength": 1}},
        "schedule": {"$ref": "#/$defs/task_schedule"},
        "agent": {"$ref": "#/$defs/agent"}
      }
    },
    "quota": {
      "type": "object", "additionalProperties": false,
      "required": ["resource", "dispatcher_id", "tenant_id", "quota_revision", "max_concurrent_calls"],
      "properties": {
        "resource": {"const": "tenant_quota"},
        "dispatcher_id": {"$ref": "#/$defs/dispatcher_id"},
        "tenant_id": {"$ref": "#/$defs/tenant_id"},
        "quota_revision": {"type": "integer", "minimum": 1},
        "max_concurrent_calls": {"type": "integer", "minimum": 0}
      }
    },
    "error": {
      "type": "object", "additionalProperties": false,
      "required": ["resource", "error"],
      "properties": {
        "resource": {"const": "error"},
        "error": {"type": "object", "additionalProperties": false, "required": ["code", "message"], "properties": {"code": {"type": "string", "minLength": 1}, "message": {"type": "string", "minLength": 1}}}
      }
    },
    "task_schedule": {
      "type": "object", "additionalProperties": false,
      "required": ["time_zone", "starts_at", "ends_at", "weekly_windows", "excluded_dates"],
      "properties": {
        "time_zone": {"const": "Asia/Shanghai"},
        "starts_at": {"type": ["string", "null"], "format": "date-time"},
        "ends_at": {"type": ["string", "null"], "format": "date-time"},
        "weekly_windows": {"$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": "#/$defs/windows"}
      }
    },
    "windows": {"type": "array", "items": {"type": "object", "additionalProperties": false, "required": ["start", "end"], "properties": {"start": {"type": "string", "pattern": "^(?:[01][0-9]|2[0-3]):[0-5][0-9]$"}, "end": {"type": "string", "pattern": "^(?:(?:[01][0-9]|2[0-3]):[0-5][0-9]|24:00)$"}}}},
    "agent": {
      "type": "object", "additionalProperties": false,
      "required": ["immutable", "mode", "asr"],
      "properties": {
        "immutable": {"const": true},
        "mode": {"enum": ["asr_only", "full_ai"]},
        "asr": {"$ref": "#/$defs/asr"},
        "llm": {"$ref": "#/$defs/llm"},
        "tts": {"$ref": "#/$defs/tts"},
        "prompt": {"$ref": "#/$defs/prompt"},
        "conversation": {"$ref": "#/$defs/conversation"}
      },
      "allOf": [
        {"if": {"properties": {"mode": {"const": "full_ai"}}}, "then": {"required": ["llm", "tts", "prompt", "conversation"]}},
        {"if": {"properties": {"mode": {"const": "asr_only"}}}, "then": {"not": {"anyOf": [{"required": ["llm"]}, {"required": ["tts"]}, {"required": ["prompt"]}]}}}
      ]
    },
    "asr": {
      "type": "object", "additionalProperties": false,
      "required": ["provider_ref", "language", "input"],
      "properties": {
        "provider_ref": {"type": "string", "minLength": 1},
        "model": {"type": "string", "minLength": 1},
        "language": {"type": "string", "minLength": 1},
        "interim": {"type": "boolean"},
        "timeout_ms": {"type": "integer", "minimum": 1},
        "input": {"$ref": "#/$defs/audio_input"}
      }
    },
    "audio_input": {
      "type": "object", "additionalProperties": false,
      "required": ["encoding", "sample_rate_hz", "channels", "sample_width_bytes"],
      "properties": {
        "encoding": {"const": "pcm_s16le"}, "sample_rate_hz": {"type": "integer", "minimum": 8000}, "channels": {"const": 1}, "sample_width_bytes": {"const": 2}
      }
    },
    "llm": {
      "type": "object", "additionalProperties": false,
      "required": ["provider_ref", "model"],
      "properties": {
        "provider_ref": {"type": "string", "minLength": 1}, "model": {"type": "string", "minLength": 1}, "temperature": {"type": "number", "minimum": 0, "maximum": 2}, "max_tokens": {"type": "integer", "minimum": 1}, "timeout_ms": {"type": "integer", "minimum": 1}
      }
    },
    "tts": {
      "type": "object", "additionalProperties": false,
      "required": ["provider_ref", "model", "voice", "language_type", "format"],
      "properties": {
        "provider_ref": {"type": "string", "minLength": 1}, "model": {"type": "string", "minLength": 1}, "voice": {"type": "string", "minLength": 1}, "language_type": {"type": "string", "minLength": 1}, "speed": {"type": "number", "minimum": 0.25, "maximum": 3}, "timeout_ms": {"type": "integer", "minimum": 1}, "format": {"type": "object", "additionalProperties": false, "required": ["encoding", "sample_rate_hz", "channels"], "properties": {"encoding": {"enum": ["pcm_s16le", "pcma"]}, "sample_rate_hz": {"type": "integer", "minimum": 8000}, "channels": {"const": 1}}}
      }
    },
    "prompt": {
      "type": "object", "additionalProperties": false,
      "required": ["text", "allowed_variables"],
      "properties": {"text": {"type": "string", "minLength": 1}, "allowed_variables": {"type": "array", "uniqueItems": true, "items": {"type": "string", "minLength": 1}}, "max_bytes": {"type": "integer", "minimum": 1}}
    },
    "conversation": {
      "type": "object", "additionalProperties": false,
      "properties": {"opening": {"type": "string"}, "hangup_keywords": {"type": "array", "items": {"type": "string", "minLength": 1}}, "allow_interrupt": {"type": "boolean"}, "silence_timeout_ms": {"type": "integer", "minimum": 1}, "max_duration_ms": {"type": "integer", "minimum": 1}, "max_turns": {"type": "integer", "minimum": 1}, "sentence_max_chars": {"type": "integer", "minimum": 1}, "max_pending_audio_chunks": {"type": "integer", "minimum": 1}}
    }
  }
}