history:
  - snapshot_id: memory-profile-pilot-20260515
    recorded_at: "2026-05-15T00:25:00Z"
    workplan: IB-WP-0017
    metrics:
      memory_profile_contract_valid: true
      memory_graph_contract_valid: true
      selection_contract_valid: true
      restart_quality_score: 4.2
      provenance_coverage_ratio: 1.0
      selected_node_count: 7
      expected_item_count: 8
      selected_edge_count: 4
      context_package_budget_max_tokens: 1200
    notes:
      - First deterministic fixture snapshot for the agentic memory profile pilot.
      - Context package token estimate is checked in tests because Markitect computes it during compilation.