{
  "schema_version": 1,
  "updated_at": "2026-07-31T16:10:00+08:00",
  "status": "awaiting_manual_acceptance",
  "migration_mode": "behavior_preserving_source_migration",
  "source_of_truth": "current_original_webapp_runtime_and_source",
  "source_root": ".",
  "target_root": "app",
  "failed_roots": [
    "next"
  ],
  "current_slice": "slice-11-uncertain-code-audit-final-acceptance-handoff",
  "last_completed_slice": "slice-10-frontend-shell-pages-components-css-mobile",
  "last_automated_slice": "slice-11-uncertain-code-audit-final-acceptance-handoff",
  "last_checkpoint": "xiaobai-preservation-slice-11-candidate-20260731",
  "next_action": "user_acceptance_on_local_port_8797_then_confirm_or_restore_each_trial_retirement; do_not_switch_docker_or_nas_before_approval",
  "authoritative_documents": [
    "AGENTS.md",
    "docs/migration/原版保真迁移总纲.md",
    "docs/migration/目标目录与切片顺序.md",
    "docs/migration/保真迁移账本.md",
    "docs/migration/next失败冻结记录.md"
  ],
  "hard_invariants": [
    "do_not_use_next_as_migration_source",
    "do_not_rewrite_existing_product_behavior",
    "do_not_change_technology_stack_without_explicit_user_approval",
    "preserve_visual_interaction_animation_calculation_and_data_semantics",
    "require_old_new_differential_evidence_for_every_slice",
    "keep_original_runtime_available",
    "do_not_make_trial_retirements_permanent_before_user_acceptance",
    "do_not_switch_docker_or_nas_before_user_approval"
  ],
  "approved_decisions": {
    "target_directory_name": "app",
    "target_directory_structure": "approved_2026-07-30",
    "migration_slice_order": "approved_2026-07-30",
    "execution_mode": "autonomous_until_complete"
  },
  "open_decisions": [
    "user_acceptance_of_visual_interaction_and_animation_equivalence",
    "final_confirmation_or_restore_of_slice_11_trial_retirements",
    "local_and_docker_switch_timing"
  ]
}