{ "id": "fence-v1", "kind": "hand-authored post-observation regression corpus", "createdOn": "2026-09-21", "selectionNotice": "Selected after inspecting the probation-v1 formatting failure. No held-out, blind or representative sampling claim. No old model outputs are regraded.", "cases": [ { "id": "bare", "category": "allowed", "description": "bare", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": true, "expectedMode": "bare" }, { "id": "json-fence-lf", "category": "allowed", "description": "json fence lf", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "plain-fence-lf", "category": "allowed", "description": "plain fence lf", "raw": "```\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "json-fence-crlf", "category": "allowed", "description": "json fence crlf", "raw": "```json\r\n{\r\n \"supplier\": \"Maple Ledger\",\r\n \"invoice_number\": \"ML-021\",\r\n \"invoice_date\": \"2026-09-21\",\r\n \"due_date\": \"2026-10-21\",\r\n \"currency\": \"USD\",\r\n \"invoice_total\": \"144.00\",\r\n \"review_fields\": []\r\n}\r\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\r\n \"supplier\": \"Maple Ledger\",\r\n \"invoice_number\": \"ML-021\",\r\n \"invoice_date\": \"2026-09-21\",\r\n \"due_date\": \"2026-10-21\",\r\n \"currency\": \"USD\",\r\n \"invoice_total\": \"144.00\",\r\n \"review_fields\": []\r\n}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "mixed-boundaries", "category": "allowed", "description": "mixed boundaries", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\r\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "one-final-lf", "category": "allowed", "description": "one final lf", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\n", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "one-final-crlf", "category": "allowed", "description": "one final crlf", "raw": "```\r\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\r\n", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "bare-json-whitespace", "category": "allowed", "description": "bare json whitespace", "raw": " \t\r\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n\t ", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": " \t\r\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n\t ", "expectedStrictAccepted": true, "expectedMode": "bare" }, { "id": "explicit-review", "category": "allowed", "description": "explicit review", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":null,\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[\"invoice_number\"]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": null, "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [ "invoice_number" ] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":null,\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[\"invoice_number\"]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "literal-backticks-in-data", "category": "allowed", "description": "literal backticks in data", "raw": "```json\n{\"supplier\":\"Maple ``` \\\"quoted\\\" {ledger}\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple ``` \"quoted\" {ledger}", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple ``` \\\"quoted\\\" {ledger}\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedStrictAccepted": false, "expectedMode": "single-fence" }, { "id": "exact-byte-limit", "category": "allowed", "description": "Exactly 8192 raw UTF-8 bytes; outer whitespace is preserved.", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]} ", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": true, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]} ", "expectedStrictAccepted": true, "expectedMode": "bare" }, { "id": "prose-prefix", "category": "reject-envelope", "description": "prose prefix", "raw": "Here is the answer:\n```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "prose-suffix", "category": "reject-envelope", "description": "prose suffix", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\nApproved.", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "uppercase-label", "category": "reject-envelope", "description": "uppercase label", "raw": "```JSON\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "wrong-language", "category": "reject-envelope", "description": "wrong language", "raw": "```javascript\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "four-backticks", "category": "reject-envelope", "description": "four backticks", "raw": "````json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n````", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "tilde-fences", "category": "reject-envelope", "description": "tilde fences", "raw": "~~~json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n~~~", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "leading-blank-line", "category": "reject-envelope", "description": "leading blank line", "raw": "\n```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "indented-opener", "category": "reject-envelope", "description": "indented opener", "raw": " ```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "spaced-opener", "category": "reject-envelope", "description": "spaced opener", "raw": "```json \n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "spaced-closer", "category": "reject-envelope", "description": "spaced closer", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n``` ", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "double-final-lf", "category": "reject-envelope", "description": "double final lf", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\n\n", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "double-final-crlf", "category": "reject-envelope", "description": "double final crlf", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\r\n\r\n", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "mixed-double-final", "category": "reject-envelope", "description": "mixed double final", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\n\r\n", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "missing-closer", "category": "reject-envelope", "description": "missing closer", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "nested-fences", "category": "reject-envelope", "description": "nested fences", "raw": "```json\n```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "two-objects", "category": "reject-envelope", "description": "two objects", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "bom-prefix", "category": "reject-envelope", "description": "bom prefix", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "nbsp-padding", "category": "reject-envelope", "description": "nbsp padding", "raw": " {\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]} ", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "zero-width-prefix", "category": "reject-envelope", "description": "zero width prefix", "raw": "​```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "empty-fence", "category": "reject-envelope", "description": "empty fence", "raw": "```json\n\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "top-level-array", "category": "reject-envelope", "description": "top level array", "raw": "[{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}]", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "top-level-null", "category": "reject-envelope", "description": "top level null", "raw": "null", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "javascript-looking", "category": "reject-envelope", "description": "javascript looking", "raw": "(()=>{globalThis.shouldNeverRun=true;return {\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}})()", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "trailing-comma", "category": "reject-content", "description": "trailing comma", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],}", "expectedMode": "single-fence" }, { "id": "duplicate-key", "category": "reject-content", "description": "duplicate key", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"invoice_total\":\"144.00\"}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"invoice_total\":\"144.00\"}", "expectedMode": "single-fence" }, { "id": "escaped-duplicate-key", "category": "reject-content", "description": "escaped duplicate key", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"invoice_\\u0074otal\":\"144.00\"}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"invoice_\\u0074otal\":\"144.00\"}", "expectedMode": "single-fence" }, { "id": "extra-field", "category": "reject-content", "description": "extra field", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"approved\":true}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[],\"approved\":true}", "expectedMode": "single-fence" }, { "id": "numeric-total", "category": "reject-content", "description": "numeric total", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":144,\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":144,\"review_fields\":[]}", "expectedMode": "single-fence" }, { "id": "string-review", "category": "reject-content", "description": "string review", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":\"none\"}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":\"none\"}", "expectedMode": "single-fence" }, { "id": "impossible-date", "category": "reject-content", "description": "impossible date", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-02-30\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-02-30\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedMode": "single-fence" }, { "id": "wrong-total", "category": "reject-content", "description": "wrong total", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"145.00\",\"review_fields\":[]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"145.00\",\"review_fields\":[]}", "expectedMode": "single-fence" }, { "id": "inconsistent-review", "category": "reject-content", "description": "inconsistent review", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[\"invoice_number\"]}\n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[\"invoice_number\"]}", "expectedMode": "single-fence" }, { "id": "missing-field", "category": "reject-content", "description": "missing field", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expectedMode": "bare" }, { "id": "over-byte-limit", "category": "reject-limit", "description": "over byte limit", "raw": "{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]} ", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "wrapper-over-byte-limit", "category": "reject-limit", "description": "wrapper over byte limit", "raw": "```json\n{\"supplier\":\"Maple Ledger\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]} \n```", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "utf8-not-js-length", "category": "reject-limit", "description": "Character length below 8192 but UTF-8 byte length above 8192.", "raw": "{\"supplier\":\"éééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééé\",\"invoice_number\":\"ML-021\",\"invoice_date\":\"2026-09-21\",\"due_date\":\"2026-10-21\",\"currency\":\"USD\",\"invoice_total\":\"144.00\",\"review_fields\":[]}", "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "non-string-object", "category": "reject-type", "description": "non string object", "raw": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null }, { "id": "non-string-null", "category": "reject-type", "description": "non string null", "raw": null, "expected": { "supplier": "Maple Ledger", "invoice_number": "ML-021", "invoice_date": "2026-09-21", "due_date": "2026-10-21", "currency": "USD", "invoice_total": "144.00", "review_fields": [] }, "expectedAccepted": false, "expectedStrictAccepted": false, "expectedCandidate": null, "expectedMode": null } ] }