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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT FEATURE-Complex-Assignments.md ===\n# FEATURE: Complex Assignment Edge Cases\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Handles iterated, invalid, numeric-edge, and depth-limited assignment paths. |\n| Depends On | FEATURE-Assignment-Operators.md |\n| Provides | iterated assignment edge cases, array expansion, invalid and deep paths |\n| Consumes | deletion and assignment operators |\n\n## Questions\n\n- None.\n\n## Scope\n\nComplete assignment behavior for iterated paths, empty updates, array expansion, negative and NaN indices, invalid path transitions, and deep path limits. Array and string slice updates follow jq's distinct mutation rules, and failures preserve partial output and runtime exit semantics.\n\n## Programmatic Acceptance\n\n=== AC path-004-conformance ===\nIntent: Complex assignment edge cases execute with the required mutation behavior.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \".[] |= . + 1\"],\n input=\"[1,2,3]\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == [2, 3, 4]\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \".a[2] = 7\"],\n input=\"{}\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == {\"a\": [None, None, 7]}\n=== END AC path-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- NaN and invalid indices must not silently select or mutate arbitrary elements.\n- Depth limits must terminate safely with the specified runtime behavior.\n- Empty updates must delete rather than retain stale values.\n=== END ARTIFACT ===\n\n=== BEGIN ARTIFACT FEATURE-Composition.md ===\n# FEATURE: Composition\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Implement jq composition, Cartesian evaluation, collection, and object construction. |\n| Depends On | FEATURE-Generator-Core.md |\n| Provides | pipe, comma, argument Cartesian products, collection, object construction |\n| Consumes | ordered generator evaluation |\n\n## Questions\n\n- None.\n\nComposition shall feed every output of a left-hand filter into the right-hand filter in order. Comma expressions shall concatenate streams. Filter arguments shall evaluate as Cartesian products where required. Array collection shall gather all outputs into one array, and object construction shall preserve jq's stream multiplicity and key/value semantics.\n\n## Programmatic Acceptance\n\n=== AC core-002-composition ===\nIntent: Composition evaluates pipes, comma streams, collections, and object construction.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"[.[] | . * 2]\"],\n input=\"[1,2,3]\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == [2, 4, 6]\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"[1,2] , [3,4]\"],\n input=\"null\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert [json.loads(line) for line in result.stdout.splitlines()] == [[1, 2], [3, 4]]\n=== END AC core-002-composition ===\n\n=== AC core-002-cartesian-products ===\nIntent: Composition preserves generator multiplicity and Cartesian argument combinations.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"[range(2) as $x | range(2) as $y | [$x,$y]]\"],\n input=\"null\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == [[0, 0], [0, 1], [1, 0], [1, 1]]\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"{value: (.a, .b)}\"],\n input='{\"a\":1,\"b\":2}\\n',\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert [json.loads(line) for line in result.stdout.splitlines()] == [{\"value\": 1}, {\"value\": 2}]\n=== END AC core-002-cartesian-products ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Preserve stream order, multiplicity, and Cartesian evaluation.\n- Collection must remove no outputs except those produced by `empty`.\n- Do not modify files under `sources/`.\n=== END ARTIFACT ===\n\n=== BEGIN ARTIFACT FEATURE-Conditionals-and-Exceptions.md ===\n# FEATURE: Conditionals and Exceptions\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Define jq conditional branching, optional evaluation, try/catch, and runtime error propagation. |\n| Depends On | FEATURE-Boolean-and-Alternative-Operators.md, FEATURE-Error-and-Optional-Evaluation.md |\n| Provides | if, elif, else, try, catch, optional branches |\n| Consumes | boolean and alternative operators, generator evaluation, runtime diagnostics |\n\n## Questions\n\n- None.\n\n## Intent\n\nThis capability controls branching and exception flow across jq's ordered generator streams.\n\n## Behavior\n\n- `if`, `elif`, and `else` evaluate branches according to jq false/null truthiness.\n- Multiple condition outputs independently select branches.\n- An omitted `else` behaves as the identity filter.\n- `try EXP catch HANDLER` catches runtime errors and evaluates the handler with the error value.\n- `try EXP` suppresses errors as `empty`.\n- The `?` suffix provides optional evaluation.\n- Outputs emitted before an uncaught runtime error remain on stdout and the process exits 5.\n\n## Programmatic Acceptance\n\n=== AC flow-003-conformance ===\nIntent: Conditionals and exception handling produce the declared branch and error behavior.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"if . then \\\"yes\\\" else \\\"no\\\" end\"],\n input=\"false\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == \"no\"\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"try error(\\\"boom\\\") catch .\"],\n input=\"null\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == \"boom\"\n=== END AC flow-003-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Compile errors must remain distinct from runtime errors.\n- Error messages are diagnostic only; acceptance relies on exit status and structured outputs.\n- Preserve partial output before an uncaught runtime failure.\n=== END ARTIFACT ===\n\n=== BEGIN ARTIFACT FEATURE-Date-and-Time.md ===\n# FEATURE: Date and Time\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provide jq date parsing, formatting, and time conversion filters. |\n| Depends On | FEATURE-Regular-Expressions.md |\n| Provides | fromdateiso8601, todateiso8601, strptime, strftime, gmtime, localtime, mktime |\n| Consumes | jq string and numeric values |\n\n## Questions\n\n- None.\n\n## Intent\n\nImplement UTC ISO-8601 conversion and the required low-level date and time filters using Python standard-library facilities. Support supplied valid and invalid-input behavior and the fixed interface's deterministic timezone expectations.\n\n## Programmatic Acceptance\n\n=== AC text-004-conformance ===\nIntent: Date and time filters perform deterministic UTC conversions.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"fromdateiso8601\"],\n input='\"1970-01-01T00:00:00Z\"\\n',\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == 0\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"todateiso8601\"],\n input=\"0\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == \"1970-01-01T00:00:00Z\"\n=== END AC text-004-conformance ===\n\n=== AC text-004-execution ===\nIntent: Low-level date and time filters execute a non-empty deterministic case.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"strftime(\\\"%Y-%m-%d\\\")\"],\n input=\"0\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == \"1970-01-01\"\n=== END AC text-004-execution ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Use UTC for ISO date behavior and the supplied fixed interface.\n- Use only Python standard-library facilities.\n- Do not introduce wall-clock-dependent assertions or runtime dependencies.\n=== END ARTIFACT ===\n\n=== BEGIN ARTIFACT FEATURE-Declaration-Parser.md ===\n# FEATURE: Declaration Parser\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Parse jq declarations, control syntax, bindings, modules, and destructuring. |\n| Depends On | FEATURE-Filter-Parser.md |\n| Provides | declarations, modules grammar, conditionals, exceptions, reductions, labels, bindings |\n| Consumes | AST for filter expressions |\n\n## Questions\n\n- None.\n\nThe parser shall support `def`, imports and module grammar, conditionals, `try`/`catch`, reductions, `foreach`, labels, bindings, destructuring patterns, and `?//` alternatives. Module grammar must be parsed sufficiently to reject invalid metadata, paths, and syntax without loading excluded fixtures. Rejected programs must exit 3.\n\n## Programmatic Acceptance\n\n=== AC parse-004-declarations ===\nIntent: Declarations and bindings parse and execute successfully.\nimport json\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"def inc: . + 1; inc\"],\n input=\"2\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == 3\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \". as {$x} | $x\"],\n input='{\"x\":4}\\n',\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 0, result.returncode\nassert json.loads(result.stdout) == 4\n=== END AC parse-004-declarations ===\n\n=== AC parse-004-module-rejections ===\nIntent: Invalid declaration syntax is rejected as a compile error.\nimport os\nimport subprocess\n\nenv = {**os.environ, \"PATH\": os.environ.get(\"PATH\", \"\")}\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"def ;\"],\n input=\"null\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 3, result.returncode\nassert result.stdout == \"\"\n\nresult = subprocess.run(\n [\"./jq\", \"-c\", \"if true then\"],\n input=\"null\\n\",\n capture_output=True,\n text=True,\n env=env,\n)\nassert result.returncode == 3, result.returncode\nassert result.stdout == \"\"\n=== END AC parse-004-module-rejections ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Do not resolve or load excluded module fixtures.\n- Preserve lexical scope for bindings, labels, and function declarations.\n- Do not modify files under `sources/`.\n=== END ARTIFACT ==="}}
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