{
  "schema": "pi.swarm.replay_trace_contract.v1",
  "trace_schema": "pi.swarm.replay_trace.v1",
  "contract_version": "1.0.0",
  "bead_id": "bd-in57w.1",
  "parent_bead_id": "bd-in57w",
  "purpose": "offline_swarm_replay_trace_contract_not_live_control",
  "summary": "Defines the canonical replay trace contract and source inventory for an offline swarm replay lab. The trace is evidence for simulation and policy comparison only; it must not mutate Beads, Agent Mail, git, RCH jobs, reservations, or live build slots.",
  "non_goals": [
    "replace_beads_or_agent_mail_as_sources_of_truth",
    "replace_live_swarm_autopilot_or_operator_runpacks",
    "claim_release_performance_without_existing_claim_gates",
    "infer_missing_timeline_facts_without_uncertainty_markers",
    "emit_unredacted_prompts_tokens_credentials_or_mail_bodies",
    "perform_live_mutation_during_replay"
  ],
  "required_trace_top_level_keys": [
    "schema",
    "trace_id",
    "generated_at",
    "contract_version",
    "source_inventory",
    "ordering",
    "events",
    "redaction_summary",
    "uncertainty_summary",
    "replay_guards"
  ],
  "source_inventory_contract": {
    "required_source_ids": [
      "beads_jsonl",
      "beads_db",
      "agent_mail_archive",
      "doctor_swarm_diagnostics",
      "rch_queue_status",
      "operator_runpack",
      "git_refs",
      "validation_command_records",
      "context_intelligence_evidence",
      "swarm_flight_recorder",
      "swarm_activity_ledger"
    ],
    "required_source_fields": [
      "source_id",
      "source_kind",
      "path",
      "availability",
      "freshness_state",
      "source_hash",
      "redaction_state",
      "authoritative_for",
      "uncertainty"
    ],
    "allowed_availability": [
      "available",
      "unavailable",
      "partial",
      "malformed",
      "stale"
    ],
    "allowed_freshness_states": [
      "current",
      "stale",
      "missing",
      "malformed",
      "freshness_unknown"
    ],
    "unavailable_source_policy": "Unavailable sources remain inventory rows with explicit uncertainty; replay may continue only when remaining authoritative sources cover the requested event classes and the missing source cannot be silently inferred."
  },
  "event_contract": {
    "required_event_types": [
      "bead_lifecycle",
      "reservation_intent",
      "reservation_conflict",
      "agent_message",
      "build_slot_state",
      "rch_job_state",
      "cargo_gate_result",
      "worktree_state",
      "doctor_finding",
      "runpack_recommendation",
      "validation_artifact",
      "operator_handoff"
    ],
    "required_event_fields": [
      "event_id",
      "sequence",
      "occurred_at_utc",
      "observed_at_utc",
      "event_type",
      "actor",
      "source_ref",
      "source_hash",
      "redaction_state",
      "uncertainty",
      "payload"
    ],
    "required_uncertainty_fields": [
      "state",
      "reasons",
      "suppressed_claims"
    ],
    "event_type_contracts": [
      {
        "event_type": "bead_lifecycle",
        "authoritative_sources": [
          "beads_jsonl",
          "beads_db"
        ],
        "required_payload_fields": [
          "bead_id",
          "from_status",
          "to_status",
          "priority",
          "assignee"
        ]
      },
      {
        "event_type": "reservation_intent",
        "authoritative_sources": [
          "agent_mail_archive"
        ],
        "required_payload_fields": [
          "reservation_id",
          "path_patterns",
          "exclusive",
          "ttl_seconds",
          "reason"
        ]
      },
      {
        "event_type": "reservation_conflict",
        "authoritative_sources": [
          "agent_mail_archive"
        ],
        "required_payload_fields": [
          "path_pattern",
          "holder",
          "conflict_reason"
        ]
      },
      {
        "event_type": "agent_message",
        "authoritative_sources": [
          "agent_mail_archive"
        ],
        "required_payload_fields": [
          "thread_id",
          "sender",
          "recipients",
          "importance",
          "ack_required"
        ]
      },
      {
        "event_type": "build_slot_state",
        "authoritative_sources": [
          "agent_mail_archive"
        ],
        "required_payload_fields": [
          "slot",
          "holder",
          "state",
          "expires_at_utc"
        ]
      },
      {
        "event_type": "rch_job_state",
        "authoritative_sources": [
          "rch_queue_status"
        ],
        "required_payload_fields": [
          "job_id",
          "state",
          "worker",
          "command",
          "queue_position"
        ]
      },
      {
        "event_type": "cargo_gate_result",
        "authoritative_sources": [
          "validation_command_records"
        ],
        "required_payload_fields": [
          "command",
          "runner",
          "exit_code",
          "target_dir",
          "tmpdir"
        ]
      },
      {
        "event_type": "worktree_state",
        "authoritative_sources": [
          "git_refs"
        ],
        "required_payload_fields": [
          "head",
          "branch",
          "dirty",
          "changed_paths"
        ]
      },
      {
        "event_type": "doctor_finding",
        "authoritative_sources": [
          "doctor_swarm_diagnostics"
        ],
        "required_payload_fields": [
          "finding_id",
          "severity",
          "surface",
          "status"
        ]
      },
      {
        "event_type": "runpack_recommendation",
        "authoritative_sources": [
          "operator_runpack"
        ],
        "required_payload_fields": [
          "action",
          "severity",
          "evidence_paths",
          "operator_notes"
        ]
      },
      {
        "event_type": "validation_artifact",
        "authoritative_sources": [
          "validation_command_records",
          "context_intelligence_evidence",
          "swarm_flight_recorder",
          "swarm_activity_ledger"
        ],
        "required_payload_fields": [
          "artifact_path",
          "artifact_schema",
          "verdict",
          "command"
        ]
      },
      {
        "event_type": "operator_handoff",
        "authoritative_sources": [
          "operator_runpack",
          "swarm_activity_ledger"
        ],
        "required_payload_fields": [
          "handoff_id",
          "summary",
          "next_actions",
          "evidence_paths"
        ]
      }
    ]
  },
  "ordering_contract": {
    "monotonic_sequence_required": true,
    "timestamp_normalization": "utc_rfc3339_z",
    "required_ordering_fields": [
      "sequence",
      "occurred_at_utc",
      "observed_at_utc"
    ],
    "tie_breakers": [
      "sequence",
      "source_ref",
      "event_id"
    ],
    "out_of_order_policy": "Keep the raw observed timestamps, preserve monotonic sequence order, and mark uncertainty.state as uncertain when source timestamps conflict."
  },
  "redaction_policy": {
    "fail_closed": true,
    "allowed_redaction_states": [
      "none",
      "redacted",
      "sensitive_omitted",
      "unsafe_to_emit"
    ],
    "required_redaction_fields": [
      "redaction_state",
      "redacted_fields",
      "redaction_reason"
    ],
    "sensitive_fields": [
      "authorization",
      "body",
      "cookie",
      "prompt",
      "registration_token",
      "secret",
      "token",
      "transcript"
    ]
  },
  "uncertainty_policy": {
    "fail_closed": true,
    "allowed_uncertainty_states": [
      "certain",
      "inferred",
      "partial",
      "missing_source",
      "malformed_source",
      "uncertain"
    ],
    "suppressed_claim_policy": "Any metric, latency, ownership, or coordination claim that depends on a missing, stale, malformed, or unavailable source must be listed in uncertainty.suppressed_claims instead of emitted as fact."
  },
  "replay_guards": {
    "read_only": true,
    "no_live_mutation": true,
    "no_network_required": true,
    "fail_closed_on_missing_required_sources": true,
    "requires_source_inventory": true,
    "disallowed_live_actions": [
      "claim_bead",
      "close_bead",
      "send_agent_mail",
      "reserve_file",
      "release_file",
      "acquire_build_slot",
      "cancel_rch_job",
      "git_commit",
      "git_push"
    ]
  },
  "overlap_boundaries": [
    {
      "existing_surface": "swarm_autopilot",
      "boundary": "Replay trace may compare dry-run decisions offline, but it must not replace live autopilot input packs, planner guards, or operator execution."
    },
    {
      "existing_surface": "resource_governor_and_flight_recorder",
      "boundary": "Replay trace may consume resource and flight-recorder events, but it must not reimplement live admission control or claim fresh performance evidence."
    },
    {
      "existing_surface": "context_intelligence",
      "boundary": "Replay trace may reference context-intelligence evidence freshness, but it must not serve file contents or bypass freshness and redaction gates."
    },
    {
      "existing_surface": "operator_runpack",
      "boundary": "Replay trace may ingest runpack recommendations, but the runpack remains an operator handoff summary and not a source of release claims."
    }
  ],
  "contract_test_fixtures": [
    {
      "fixture_id": "agent_mail_unavailable_beads_rch_doctor_usable",
      "path": "tests/fixtures/swarm_replay_trace/agent_mail_unavailable_trace.json",
      "must_prove": [
        "agent_mail_archive source remains explicit and unavailable",
        "beads_jsonl source remains available for bead_lifecycle events",
        "rch_queue_status source remains available for rch_job_state events",
        "doctor_swarm_diagnostics source remains available for doctor_finding events",
        "claims requiring Agent Mail are suppressed rather than inferred"
      ]
    },
    {
      "fixture_id": "source_inventory_scenario_suite",
      "path": "tests/fixtures/swarm_replay_trace/source_inventory_scenarios.json",
      "must_prove": [
        "source inventory scenarios include unavailable-source and malformed-source cases",
        "Agent Mail unavailable does not block Beads, RCH, or Doctor evidence",
        "malformed RCH input suppresses queue-depth and admission claims",
        "raw secret bytes emitted stays zero in replay fixtures"
      ]
    }
  ],
  "downstream_dependencies": {
    "unblocked_beads": [
      "bd-in57w.2",
      "bd-in57w.3",
      "bd-in57w.12"
    ]
  },
  "must_requirements": [
    {
      "id": "REPLAY-TRACE-MUST-001",
      "description": "The contract declares the canonical replay trace schema, version, Beads linkage, and non-live-control purpose.",
      "validated_by": [
        "schema",
        "trace_schema",
        "bead_id",
        "purpose"
      ]
    },
    {
      "id": "REPLAY-TRACE-MUST-002",
      "description": "The source inventory names every authoritative artifact family needed by replay and records availability, freshness, hashes, redaction, and uncertainty.",
      "validated_by": [
        "source_inventory_contract.required_source_ids",
        "source_inventory_contract.required_source_fields"
      ]
    },
    {
      "id": "REPLAY-TRACE-MUST-003",
      "description": "Every required replay event type has explicit authoritative sources and payload fields.",
      "validated_by": [
        "event_contract.required_event_types",
        "event_contract.event_type_contracts"
      ]
    },
    {
      "id": "REPLAY-TRACE-MUST-004",
      "description": "Replay order uses monotonic sequence numbers with UTC timestamp normalization and deterministic tie breakers.",
      "validated_by": [
        "ordering_contract"
      ]
    },
    {
      "id": "REPLAY-TRACE-MUST-005",
      "description": "Redaction and uncertainty policies fail closed, and unavailable Agent Mail data suppresses dependent claims instead of inventing coordination facts.",
      "validated_by": [
        "redaction_policy",
        "uncertainty_policy",
        "contract_test_fixtures"
      ]
    },
    {
      "id": "REPLAY-TRACE-MUST-006",
      "description": "Replay guards forbid live mutation of Beads, Agent Mail, git, RCH jobs, reservations, and build slots.",
      "validated_by": [
        "replay_guards.disallowed_live_actions"
      ]
    }
  ]
}