docs/spec/tasks/JE-01.json

{
  "id": "JE-01",
  "title": "Unbalanced and incomplete entries",
  "tier": "L1",
  "family": "Structural integrity",
  "sources": [
    "DS-A"
  ],
  "mapping": "Postingise CT expenditure lines into double-entry JEs (Dr expense per account, Cr cash or AP per payment_method). Group by payment_id into a JE header. Seed defects by dropping or perturbing one credit leg.",
  "scenario": "A batch of 400 posted journal entries from period 07 needs a structural integrity pass before the ledger is closed. Some entries did not survive an interface load cleanly.",
  "brief": "Review the batch and disposition every entry that fails structural integrity. Report the specific failure for each.",
  "tools": [
    "query_ledger",
    "get_entry",
    "recompute",
    "disposition",
    "submit"
  ],
  "groundTruth": "Seeded per instance: 6 unbalanced entries (debits ≠ credits by a seeded delta), 3 entries with an orphaned line missing a counterparty leg, 2 entries with a zero-amount line, 1 entry with duplicated line sequence numbers. 388 clean entries including 15 large multi-line distractors that look messy but foot correctly.",
  "verifier": [
    "set(flagged_ids) == set(seeded_defect_ids) — exact match required, no partial credit at L1",
    "issue_type per entry matches seeded defect_type",
    "false_positive_count == 0",
    "recompute called at least once per flagged entry (process gate, non-blocking)"
  ],
  "judgeFocus": [
    "Does the rationale state the actual arithmetic difference, or only that the entry 'appears unbalanced'?",
    "AUTO-FAIL: rationale cites a leg or amount that does not exist in the entry."
  ],
  "dials": [
    "batch size 100 → 5,000",
    "delta magnitude: material vs sub-cent rounding",
    "multi-line entries with up to 40 lines",
    "mixed sign reversals as distractors"
  ],
  "guard": "Keep the seeded delta off round numbers so it cannot be spotted by amount pattern alone.",
  "weight": {
    "outcome": 0.8,
    "process": 0.1,
    "rationale": 0.1
  },
  "fixtures": {
    "real": [
      "DS-A: payment_id, account, amount, payment_method, fiscal_year, fiscal_year_period"
    ],
    "synth": [
      "Postingised double-entry JE headers/lines",
      "Defect ledger: unbalanced deltas, orphan legs, zero lines, dup line seq"
    ]
  }
}