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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT FEATURE-VALUE-004.md ===\n# FEATURE: Type and Numeric Primitives\n\n| Field       | Value |\n|-------------|-------|\n| Version     | 20260822 V1 |\n| Description | Provide jq type, length, numeric conversion, predicate, and math primitives. |\n| Depends On  | ARCHITECTURE.md, FEATURE-VALUE-001.md, FEATURE-VALUE-003.md |\n| Provides    | type, length, utf8bytelength, numeric predicates, conversions, math builtins |\n| Consumes    | jq value model, ordered generator evaluator |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement `type`, `length`, `utf8bytelength`, numeric predicates, `tonumber`, `toboolean`, `tostring`, and the standard math functions exercised by the corpus. Preserve jq's stream behavior, numeric equivalence, Unicode codepoint semantics, and runtime errors for invalid input types.\n\n## Programmatic Acceptance\n\n=== AC value-004-conformance ===\nIntent: The implementation passes the authoritative corpus slice covering type, length, numeric predicates, conversions, and math functions.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"length|type|sqrt|floor|tonumber\"\nresult = subprocess.run(\n    [sys.executable, \"sources/run_conformance.py\", \"--select\", select, \"--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-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Use only Python standard-library facilities.\n- Preserve jq's distinction between booleans and numbers.\n- Do not replace authoritative corpus verification with hand-picked examples.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-FLOW-001.md ===\n# FEATURE: Arithmetic and Structural Operators\n\n| Field       | Value |\n|-------------|-------|\n| Version     | 20220822 V1 |\n| Description | Provide jq arithmetic, structural merge, repetition, splitting, and negation operators. |\n| Depends On  | ARCHITECTURE.md, FEATURE-VALUE-004.md |\n| Provides    | plus, minus, multiply, divide, modulo, negation, recursive merge, repetition, splitting |\n| Consumes    | jq value model, ordered generator evaluator |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement jq's typed `+`, `-`, `*`, `/`, and `%` operators, unary negation, recursive object merge, array subtraction, string repetition, string splitting, and associated runtime errors. Operators must preserve generator Cartesian-product semantics and jq numeric behavior.\n\n## Programmatic Acceptance\n\n=== AC flow-001-conformance ===\nIntent: The implementation passes the authoritative corpus slice covering arithmetic and structural operators.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"\\+|\\-|\\*|/|%\"\nresult = subprocess.run(\n    [sys.executable, \"sources/run_conformance.py\", \"--select\", select, \"--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 flow-001-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Do not perform implicit type conversions.\n- Preserve partial output before runtime failures.\n- Do not shell out to a system jq implementation.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-FLOW-002.md ===\n# FEATURE: Boolean and Alternative Operators\n\n| Field       | Value |\n|-------------|-------|\n| Version     | 20220822 V1 |\n| Description | Provide jq Boolean, negation, defined-or, and defined-or assignment operators. |\n| Depends On  | ARCHITECTURE.md, FEATURE-FLOW-001.md |\n| Provides    | and, or, not, defined-or, defined-or assignment |\n| Consumes    | ordered generator evaluator, truthiness and comparison |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement `and`, `or`, `not`, `//`, and `//=` with jq truthiness and generator-aware short-circuiting. False and null are falsey; all other values are truthy. Alternative expressions must emit all valid left-hand outputs or fall back to the right-hand generator.\n\n## Programmatic Acceptance\n\n=== AC flow-002-conformance ===\nIntent: The implementation passes the authoritative corpus slice covering Boolean and alternative operators.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"and|or|not|//\"\nresult = subprocess.run(\n    [sys.executable, \"sources/run_conformance.py\", \"--select\", select, \"--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 flow-002-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Do not use host-language truthiness in place of jq truthiness.\n- Preserve ordering and multiplicity of generator outputs.\n- Preserve short-circuit behavior where required.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-FLOW-003.md ===\n# FEATURE: Conditionals and Exception Flow\n\n| Field       | Value |\n|-------------|-------|\n| Version     | 20220822 V1 |\n| Description | Provide jq conditional branching, try/catch handling, and optional evaluation. |\n| Depends On  | ARCHITECTURE.md, FEATURE-FLOW-002.md |\n| Provides    | if, then, elif, else, try, catch, optional control flow |\n| Consumes    | ordered generator evaluator, runtime error model |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement `if`/`then`/`elif`/`else`/`end`, `try`/`catch`, and the `?` optional operator. Branches must run once per condition output, preserve generator ordering, suppress only the errors requested by the filter, and retain outputs produced before an uncaught runtime error.\n\n## Programmatic Acceptance\n\n=== AC flow-003-conformance ===\nIntent: The implementation passes the authoritative corpus slice covering conditionals, try/catch, and optional evaluation.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"if |try |\\?\"\nresult = subprocess.run(\n    [sys.executable, \"sources/run_conformance.py\", \"--select\", select, \"--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 flow-003-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Keep compile failures distinct from runtime failures.\n- Do not compare or normalize diagnostic text as a correctness oracle.\n- Preserve partial stdout output before runtime failure.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-FLOW-004.md ===\n# FEATURE: Labels and Breaks\n\n| Field       | Value |\n|-------------|-------|\n| Version     | 20220822 V1 |\n| Description | Provide lexically scoped jq labels and break control flow. |\n| Depends On  | ARCHITECTURE.md, FEATURE-FLOW-003.md |\n| Provides    | label and break control flow |\n| Consumes    | ordered generator evaluator, runtime error model |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement `label $name | ...` and `break $name` with lexical scope. A break must terminate only its corresponding enclosing generator, suppress subsequent outputs from that scope, and compile-fail when no visible label exists.\n\n## Programmatic Acceptance\n\n=== AC flow-004-conformance ===\nIntent: The implementation passes the authoritative corpus slice covering labels and breaks.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"label|break\"\nresult = subprocess.run(\n    [sys.executable, \"sources/run_conformance.py\", \"--select\", select, \"--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 flow-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Labels are lexical, not dynamically resolved.\n- Break must not leak outputs from the terminated generator.\n- Reject undefined labels at compile time with exit code 3.\n\n=== END ARTIFACT ==="}}
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