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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT FEATURE-CORE-003.md ===\n# FEATURE: Core Runtime Errors and Optional Evaluation\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Defines empty streams, runtime errors, optional evaluation, try/catch, and partial output behavior. |\n| Depends On | ARCHITECTURE.md, FEATURE-CORE-002.md |\n| Provides | empty, error, ?, try/catch, partial runtime output |\n| Consumes | ordered generator evaluator |\n\n## Questions\n\n- None.\n\n## Intent\n\nRuntime failures are distinct from compile failures. Filters may suppress errors with `?` or `try`, and values emitted before an uncaught runtime error remain observable.\n\n## Behavior\n\n- `empty` produces no values.\n- `error` raises a runtime error.\n- `EXP?` suppresses errors from `EXP`.\n- `try EXP catch HANDLER` evaluates `HANDLER` with the error value.\n- Uncaught runtime errors terminate with exit code 5 after preserving prior output.\n\n## Programmatic Acceptance\n\n=== AC core-003-scoped-conformance ===\nIntent: The authoritative corpus cases exercising try, error, and optional evaluation execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"try|error|\\?\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC core-003-scoped-conformance ===\n\n=== AC core-003-runtime-slice ===\nIntent: Corpus cases containing explicit runtime errors are accepted with jq runtime semantics.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"error\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0 and summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC core-003-runtime-slice ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Runtime errors must not be reported as compile failures.\n- Diagnostics must be written to stderr.\n\n=== BEGIN ARTIFACT FEATURE-CORE-004.md ===\n# FEATURE: jq Truthiness and Comparison Semantics\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Defines jq truthiness, equality, inequality, and total ordering semantics. |\n| Depends On | ARCHITECTURE.md, FEATURE-CORE-003.md |\n| Provides | truthiness, equality, inequality, comparison ordering |\n| Consumes | ordered generator evaluator |\n\n## Questions\n\n- None.\n\n## Intent\n\nOnly `false` and `null` are falsey. Comparisons are structural, distinguish booleans from numbers, treat numerically equivalent values equally, and follow jq's total type ordering.\n\n## Behavior\n\n- Conditional truthiness recognizes only `false` and `null` as false.\n- Equality ignores object key order and equates numerically equivalent numbers.\n- Boolean and numeric values remain distinct.\n- `<`, `<=`, `>`, and `>=` use jq's ordering across all JSON value types.\n\n## Programmatic Acceptance\n\n=== AC core-004-comparison-conformance ===\nIntent: The authoritative corpus comparison cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"==|!=|<=|>=|<|>\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC core-004-comparison-conformance ===\n\n=== AC core-004-truthiness-slice ===\nIntent: The authoritative corpus truthiness and boolean-operator cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"if |and|or|not\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0 and summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC core-004-truthiness-slice ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Python truthiness must not replace jq truthiness.\n- Boolean values must never compare equal to numeric values.\n\n=== BEGIN ARTIFACT FEATURE-VALUE-001.md ===\n# FEATURE: jq Value and Numeric Model\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Defines jq JSON values, special numeric values, literal-number handling, and serialization. |\n| Depends On | ARCHITECTURE.md, FEATURE-CORE-004.md |\n| Provides | null, boolean, number, string, array, object, NaN, infinity values |\n| Consumes | JSON input reader |\n\n## Questions\n\n- None.\n\n## Intent\n\nThe interpreter represents all jq value kinds, including NaN and infinity, while preserving the observable numeric behavior required by the corpus and serializing values as valid JSON output.\n\n## Behavior\n\n- JSON null, booleans, numbers, strings, arrays, and objects are supported.\n- `nan` and `infinite` are numeric jq values.\n- Numeric equality and arithmetic follow jq's numeric semantics.\n- JSON serialization handles special numeric values according to jq behavior.\n\n## Programmatic Acceptance\n\n=== AC value-001-numeric-conformance ===\nIntent: The authoritative corpus numeric, NaN, infinity, and JSON conversion cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"nan|infinite|tojson|fromjson\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-001-numeric-conformance ===\n\n=== AC value-001-type-slice ===\nIntent: The authoritative corpus cases covering jq value kinds and numeric predicates execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"type|isnan|isinfinite|isfinite|isnormal\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0 and summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-001-type-slice ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- The implementation must not invoke an external jq implementation.\n- Special numeric values must not cause invalid process output or uncontrolled termination.\n\n=== BEGIN ARTIFACT FEATURE-VALUE-002.md ===\n# FEATURE: jq Field and Index Access\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Defines object-field, array-index, string-key, optional, negative-index, and missing-value access. |\n| Depends On | ARCHITECTURE.md, FEATURE-VALUE-001.md |\n| Provides | field access, index access, optional access, negative indices, missing values |\n| Consumes | ordered generator evaluator, jq value model |\n\n## Questions\n\n- None.\n\n## Intent\n\nAccess expressions read objects, arrays, and supported indexed values with jq's null and error behavior. Optional access suppresses invalid-access errors.\n\n## Behavior\n\n- `.field` and quoted field access read object members.\n- Array indices support positive and negative integer positions.\n- Missing object members and out-of-range reads produce null where jq specifies.\n- Optional access suppresses access errors.\n- Invalid index types raise runtime errors.\n\n## Programmatic Acceptance\n\n=== AC value-002-access-conformance ===\nIntent: The authoritative corpus field and index access cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"\\.[A-Za-z]|\\[[-0-9]\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-002-access-conformance ===\n\n=== AC value-002-optional-slice ===\nIntent: The authoritative corpus optional and chained access cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"\\?\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0 and summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-002-optional-slice ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Access behavior must preserve generator ordering and multiplicity.\n- Optional access must suppress only the access failure, not unrelated failures.\n\n=== BEGIN ARTIFACT FEATURE-VALUE-003.md ===\n# FEATURE: jq Slices and Collection Iteration\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Defines array and string slices plus iteration over arrays and objects. |\n| Depends On | ARCHITECTURE.md, FEATURE-VALUE-002.md |\n| Provides | array slices, string slices, array iteration, object iteration |\n| Consumes | field and index access |\n\n## Questions\n\n- None.\n\n## Intent\n\nSlice and iteration expressions preserve jq's ordered generator model across arrays, objects, and strings, including fractional, negative, omitted, and out-of-range bounds.\n\n## Behavior\n\n- `.[]` emits array elements or object values in order.\n- `.[start:end]` slices arrays and strings.\n- Omitted, negative, fractional, NaN, and out-of-range bounds follow jq rules.\n- Optional iteration suppresses errors on non-iterable inputs.\n- Empty collections produce empty streams.\n\n## Programmatic Acceptance\n\n=== AC value-003-slice-conformance ===\nIntent: The authoritative corpus slice and iteration cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"\\[.*:|\\.\\[\\]\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-003-slice-conformance ===\n\n=== AC value-003-iteration-slice ===\nIntent: The authoritative corpus array and object iteration cases execute successfully.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselector = r\"\\.\\[\\]|\\[\\.\\]\"\nresult = subprocess.run(\n [sys.executable, \"sources/run_conformance.py\", \"--select\", selector, \"--json\"],\n capture_output=True,\n text=True,\n env={**os.environ, \"JQ\": f\"{os.getcwd()}/jq\"},\n)\nprint(result.stdout)\nprint(result.stderr, file=sys.stderr)\nreport = json.loads(result.stdout)\nsummary = report[\"summary\"]\nassert sum(summary.values()) > 0\nassert summary[\"fail\"] == 0 and summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC value-003-iteration-slice ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Iteration must preserve output order and multiplicity.\n- Optional iteration must not turn valid empty streams into null outputs.\n\n=== END ARTIFACT ==="}}
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Run artifact