{
  "schema": "contract-preservation-inventory/v1",
  "issue": 12,
  "pull_request": 13,
  "review_id": 65,
  "reviewed_head": "fc2d2a6faeac3c64c0ed604f2aa1ad7c37c65570",
  "source_revision": "8caf1f8379171a128a2c12971a2eadc9a324309a",
  "contracts": [
    {
      "contract": "current cache balance is an exact integer or unknown NULL; zero remains a valid known balance",
      "status": "preserved",
      "preserved_by": [
        "test_create_rejects_whitespace_or_non_integer_dated_balance_without_mutation",
        "test_zero_dated_balance_and_valid_import_recovery"
      ]
    },
    {
      "contract": "invalid dated account creation fails with validation_error before account or valuation mutation",
      "status": "preserved",
      "preserved_by": [
        "test_create_rejects_whitespace_or_non_integer_dated_balance_without_mutation"
      ]
    },
    {
      "contract": "a valid dated import can establish current cache and append a valuation after invalid create attempts are rejected",
      "status": "preserved",
      "preserved_by": [
        "test_zero_dated_balance_and_valid_import_recovery",
        "test_late_import_current_balance_is_authoritative_by_evidence_basis_date"
      ]
    },
    {
      "contract": "unknown basis remains distinct from last_synced_at and historical imports cannot roll back a newer usable cache",
      "status": "preserved",
      "preserved_by": [
        "test_account_write_sync_timestamp_does_not_infer_balance_basis_or_candidate",
        "test_unknown_legacy_balance_basis_is_not_reported_as_valuation_date",
        "review65-focused-regressions"
      ]
    },
    {
      "contract": "all prior Issue 12 and Review 64 public envelopes, valuation selection, snapshot replay, read-only, migration, privacy, authentication, and menu semantics remain intact",
      "status": "preserved",
      "preserved_by": [
        "review65-focused-regressions",
        "review65-full-suite",
        "review65-ruff",
        "review65-compileall",
        "review65-diff-check"
      ]
    }
  ],
  "missing": 0,
  "ambiguous": 0,
  "limitations": [
    "Four fixture-dependent PDF tests remain skipped because private KB Bank and Toss Securities fixtures are unavailable."
  ]
}