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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT FEATURE-Destructuring-Alternatives.md ===\n# FEATURE: Destructuring Alternatives\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provide jq destructuring patterns and fallback alternatives. |\n| Depends On | FEATURE-Variable-Bindings.md, FEATURE-Conditionals-and-Exception-Flow.md |\n| Provides | ?// destructuring alternatives |\n| Consumes | as bindings, lexical scope, try/catch |\n\n## Questions\n\n- None.\n\n## Purpose\n\nSupport array and object destructuring in `as` bindings, including missing bindings and the `?//` alternative operator.\n\n## Behavior\n\n- Bind array elements positionally, using `null` for missing elements.\n- Bind object fields by identifier, explicit key, and nested pattern.\n- Support multiple alternatives separated by `?//`.\n- Select the next alternative when pattern matching or subsequent evaluation raises an error.\n- Expose all variables referenced by the continuation, binding unmatched variables to `null`.\n- Propagate errors from the final alternative.\n\n## Programmatic Acceptance\n\n=== AC func-004-conformance ===\nIntent: The scoped conformance corpus executes the destructuring-alternative cases owned by FUNC-004 and passes them.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"\\?//| as \\{\"\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\n=== END AC func-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Do not treat a failed first pattern as a runtime failure when a later `?//` alternative can succeed.\n- Do not load module fixtures while evaluating destructuring syntax.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-Path-Discovery.md ===\n# FEATURE: Path Discovery\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Discover jq paths and construct projections from path expressions. |\n| Depends On | FEATURE-Slices-and-Iteration.md, FEATURE-Recursive-Generators.md |\n| Provides | path, paths, and pick |\n| Consumes | accessors, iteration, recursive generators |\n\n## Questions\n\n- None.\n\n## Purpose\n\nImplement path discovery for exact and generated path expressions, filtered recursive paths, and projected values.\n\n## Behavior\n\n- `path(expression)` returns path arrays containing string object keys and numeric array indices.\n- Exact paths are reported even when the addressed value does not yet exist.\n- Generated paths report only paths that exist in the input.\n- `paths` excludes the empty root path.\n- `paths(filter)` returns paths whose values satisfy the filter.\n- `pick(expressions)` creates a projection containing only the selected paths.\n- Invalid path expressions raise runtime errors.\n\n## Programmatic Acceptance\n\n=== AC path-001-conformance ===\nIntent: The scoped conformance corpus executes the path-discovery and projection cases owned by PATH-001 and passes.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"path\\(|paths|pick\\(\"\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\n=== END AC path-001-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Preserve path ordering and multiplicity.\n- Do not confuse path values with projected values.\n- Reject invalid path expressions without silently producing a path.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-Path-Primitives.md ===\n# FEATURE: Path Primitives\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Read, update, and delete nested jq values through path arrays. |\n| Depends On | FEATURE-Path-Discovery.md, FEATURE-Accessors.md |\n| Provides | getpath, setpath, and delpaths |\n| Consumes | path arrays, jq value model, field and index access |\n\n## Questions\n\n- None.\n\n## Purpose\n\nImplement immutable nested path operations for reading, creation, replacement, array expansion, and deletion.\n\n## Behavior\n\n- `getpath(path)` reads a nested value and returns `null` for an absent path where jq permits it.\n- `setpath(path; value)` creates missing objects and arrays as required and replaces existing values.\n- `delpaths(paths)` removes each requested path while preserving the remaining structure.\n- Multiple paths are processed according to jq ordering and overlap semantics.\n- Invalid path components raise runtime errors.\n- Excessively deep paths are rejected according to jq depth limits.\n- Operations do not mutate the original input value observed by sibling expressions.\n\n## Programmatic Acceptance\n\n=== AC path-002-conformance ===\nIntent: The scoped conformance corpus executes the getpath, setpath, and delpaths cases owned by PATH-002 and passes.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = \"getpath|setpath|delpaths\"\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\n=== END AC path-002-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Keep path operations immutable from the caller’s perspective.\n- Do not convert invalid array/object path components into string keys.\n- Enforce jq’s path-depth limits.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-Assignment-Operators.md ===\n# FEATURE: Assignment Operators\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Implement jq deletion and immutable assignment operators. |\n| Depends On | FEATURE-Path-Primitives.md, FEATURE-Boolean-and-Alternative-Operators.md |\n| Provides | del, =, |=, +=, -=, *=, /=, %=, and //=\n| Consumes | getpath, setpath, delpaths, path expressions |\n\n## Questions\n\n- None.\n\n## Purpose\n\nProvide jq’s path-based deletion, plain assignment, update assignment, arithmetic assignment, and defined-or assignment semantics.\n\n## Behavior\n\n- `del(path)` removes selected fields, elements, and slices.\n- `=` evaluates its right-hand side against the original input and uses every produced value.\n- `|=` evaluates its right-hand side against each selected value and uses the first result.\n- Empty update results delete the selected path.\n- Arithmetic assignment operators apply the corresponding binary operation to selected values.\n- `//=` replaces false or null values with the right-hand result.\n- Multiple selected paths preserve jq ordering and immutable-output behavior.\n- Assignments can create missing nested objects and arrays where jq permits.\n\n## Programmatic Acceptance\n\n=== AC path-003-conformance ===\nIntent: The scoped conformance corpus executes deletion and assignment-operator cases owned by PATH-003 and passes.\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\n=== END AC path-003-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Never mutate values visible to sibling expressions.\n- Preserve the distinction between plain assignment and update assignment.\n- Do not swallow invalid-path or type errors.\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-Complex-Assignments.md ===\n# FEATURE: Complex Assignments\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Handle jq assignment edge cases across generated and deep paths. |\n| Depends On | FEATURE-Assignment-Operators.md, FEATURE-Reductions-and-Iteration-Control.md |\n| Provides | complex assignment edge-case behavior |\n| Consumes | deletion and assignment operators, generated paths |\n\n## Questions\n\n- None.\n\n## Purpose\n\nComplete assignment semantics for iterated paths, empty updates, array expansion, invalid indices, NaN indices, and deeply nested structures.\n\n## Behavior\n\n- Apply assignments to all paths produced by iteration and selection expressions.\n- Remove array elements or object fields when an update produces `empty`.\n- Expand arrays with `null` values when assigning beyond the current end where jq permits.\n- Reject invalid negative, fractional, and NaN assignment indices with jq runtime errors.\n- Preserve partial output and error behavior when one generated path fails.\n- Enforce depth limits for path construction and mutation.\n- Maintain immutable input behavior across complex assignments.\n\n## Programmatic Acceptance\n\n=== AC path-004-conformance ===\nIntent: The scoped conformance corpus executes complex assignment edge cases owned by PATH-004 and passes.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = \"negative|NaN|depth|empty\"\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\n=== END AC path-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Do not reinterpret invalid indices as valid object keys.\n- Do not lose outputs emitted before a runtime assignment failure.\n- Reject paths exceeding jq’s supported depth limits.\n\n=== END ARTIFACT ==="}}
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Run artifact