{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/GameCult/Ghostlight/schemas/responder-packet.schema.json",
  "title": "Ghostlight Responder Packet Schema",
  "description": "Packet-only visible input for a sandboxed character responder. The coordinator may know more, but this artifact is the exact surface a responder model is allowed to see.",
  "type": "object",
  "required": [
    "schema_version",
    "packet_id",
    "review_status",
    "fixture_lane",
    "canon_status",
    "coordinator_artifact_ref",
    "projected_context_ref",
    "responder_agent_id",
    "generation_lane",
    "lore_access",
    "visible_context",
    "output_contract",
    "hidden_context_audit",
    "isolation_requirements",
    "packet_prompt_text",
    "review"
  ],
  "additionalProperties": false,
  "properties": {
    "schema_version": { "const": "ghostlight.responder_packet.v0" },
    "packet_id": { "type": "string", "minLength": 1 },
    "review_status": { "$ref": "#/$defs/review_status" },
    "fixture_lane": { "enum": ["historical_grounded", "transition_grounded", "future_branch"] },
    "canon_status": { "enum": ["single_history", "branch_local", "promoted_branch", "template", "draft"] },
    "coordinator_artifact_ref": { "type": "string", "minLength": 1 },
    "projected_context_ref": { "type": "string", "minLength": 1 },
    "responder_agent_id": { "type": "string", "minLength": 1 },
    "generation_lane": { "enum": ["packet_only", "retrieval_augmented"] },
    "lore_access": {
      "type": "object",
      "required": ["mode", "allowed_scope", "required_provenance"],
      "additionalProperties": false,
      "properties": {
        "mode": { "enum": ["curated_excerpts_only", "coordinator_scoped_retrieval", "responder_scoped_repository_search"] },
        "allowed_scope": { "type": "array", "items": { "type": "string", "minLength": 1 } },
        "research_instructions": {
          "type": "array",
          "items": { "type": "string", "minLength": 1 }
        },
        "traversal_policy": {
          "type": "object",
          "required": ["max_link_depth", "allowed_prefixes", "required_seed_refs", "follow_link_classes", "stop_conditions"],
          "additionalProperties": false,
          "properties": {
            "max_link_depth": { "type": "integer", "minimum": 0 },
            "allowed_prefixes": { "type": "array", "items": { "type": "string", "minLength": 1 } },
            "required_seed_refs": { "type": "array", "items": { "type": "string", "minLength": 1 } },
            "follow_link_classes": { "type": "array", "items": { "type": "string", "minLength": 1 } },
            "stop_conditions": { "type": "array", "items": { "type": "string", "minLength": 1 } }
          }
        },
        "required_provenance": { "type": "boolean", "const": true }
      }
    },
    "visible_context": {
      "type": "object",
      "required": [
        "local_context_prompt",
        "observed_event",
        "allowed_action_labels",
        "source_excerpts"
      ],
      "additionalProperties": false,
      "properties": {
        "local_context_prompt": { "type": "string", "minLength": 1 },
        "observed_event": { "$ref": "#/$defs/observed_event" },
        "allowed_action_labels": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        },
        "source_excerpts": {
          "type": "array",
          "items": { "$ref": "#/$defs/source_excerpt" }
        }
      }
    },
    "output_contract": {
      "type": "object",
      "required": [
        "response_schema",
        "required_fields",
        "response_rules"
      ],
      "additionalProperties": false,
      "properties": {
        "response_schema": { "type": "string", "minLength": 1 },
        "required_fields": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        },
        "response_rules": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        }
      }
    },
    "hidden_context_audit": {
      "type": "object",
      "required": [
        "omitted_context_refs",
        "forbidden_inference_classes",
        "known_absences"
      ],
      "additionalProperties": false,
      "properties": {
        "omitted_context_refs": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        },
        "forbidden_inference_classes": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        },
        "known_absences": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        }
      }
    },
    "isolation_requirements": {
      "type": "object",
      "required": [
        "isolation_method",
        "packet_only",
        "no_repo_access",
        "no_conversation_context",
        "no_hidden_state_refs"
      ],
      "additionalProperties": false,
      "properties": {
        "isolation_method": { "enum": ["subagent_no_fork", "manual_packet_only", "external_model_packet_only"] },
        "packet_only": { "type": "boolean", "const": true },
        "no_repo_access": { "type": "boolean" },
        "no_conversation_context": { "type": "boolean", "const": true },
        "no_hidden_state_refs": { "type": "boolean", "const": true }
      }
    },
    "packet_prompt_text": { "type": "string", "minLength": 1 },
    "review": {
      "type": "object",
      "required": ["reviewer", "review_notes", "accepted_for_sandbox_use", "failure_labels"],
      "additionalProperties": false,
      "properties": {
        "reviewer": { "type": "string", "minLength": 1 },
        "review_notes": { "type": "array", "items": { "type": "string" } },
        "accepted_for_sandbox_use": { "type": "boolean" },
        "failure_labels": { "type": "array", "items": { "type": "string", "minLength": 1 } }
      }
    }
  },
  "$defs": {
    "review_status": {
      "enum": ["draft", "accepted", "accepted_as_draft", "useful_needs_revision", "rejected", "superseded"]
    },
    "observed_event": {
      "type": "object",
      "required": ["event_id", "actor_agent_id", "observable_action", "spoken_text", "visible_object_refs", "visibility_notes"],
      "additionalProperties": false,
      "properties": {
        "event_id": { "type": "string", "minLength": 1 },
        "actor_agent_id": { "type": "string", "minLength": 1 },
        "observable_action": { "type": "string", "minLength": 1 },
        "spoken_text": { "type": "string" },
        "visible_object_refs": { "type": "array", "items": { "type": "string", "minLength": 1 } },
        "visibility_notes": { "type": "array", "minItems": 1, "items": { "type": "string", "minLength": 1 } }
      }
    },
    "source_excerpt": {
      "type": "object",
      "required": ["ref_id", "source_ref", "text"],
      "additionalProperties": false,
      "properties": {
        "ref_id": { "type": "string", "minLength": 1 },
        "source_ref": { "type": "string", "minLength": 1 },
        "text": { "type": "string", "minLength": 1 }
      }
    }
  }
}