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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT FEATURE-FUNC-004.md ===\n# FEATURE: Destructuring Patterns and Alternatives\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provides jq destructuring patterns and alternative bindings. |\n| Depends On | FEATURE-FUNC-003.md |\n| Provides | array patterns, object patterns, missing bindings, ?// alternatives |\n| Consumes | lexical bindings, function evaluator |\n\n## Questions\n\n- None.\n\n## Purpose\n\nSupport array and object destructuring in `as` bindings, bind absent members as `null`, and backtrack through `?//` alternatives when a pattern or subsequent expression fails.\n\n## Behavior\n\n- Array patterns bind positional elements and use `null` for missing positions.\n- Object patterns bind named fields and nested patterns.\n- Alternative patterns try later alternatives when an earlier binding fails.\n- Variables introduced by successful alternatives remain available to the following filter.\n- Errors from the final alternative propagate as runtime errors.\n\n## Programmatic Acceptance\n\n=== AC func-004-conformance ===\nIntent: The authoritative corpus slice covering destructuring patterns and alternative bindings executes and passes.\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\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC func-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Preserve lexical scope and generator backtracking.\n- Do not silently convert a final alternative error into a successful value.\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-PATH-001.md ===\n# FEATURE: Path Discovery and Projection\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provides jq path discovery and projection filters. |\n| Depends On | FEATURE-FUNC-004.md |\n| Provides | path, paths, pick |\n| Consumes | field and index access, recursive generators, destructuring |\n\n## Questions\n\n- None.\n\n## Purpose\n\nImplement filters that discover paths through JSON values and construct projections from selected paths.\n\n## Behavior\n\n- `path` emits path arrays for exact and filtered path expressions.\n- `paths` emits non-empty paths to values, optionally filtered by a predicate.\n- Recursive descent preserves traversal order.\n- `pick` creates a projection containing the requested paths and preserves missing branches as `null` where jq specifies.\n- Invalid path expressions raise runtime errors.\n\n## Programmatic Acceptance\n\n=== AC path-001-conformance ===\nIntent: The authoritative corpus slice covering path discovery and projection executes 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\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC path-001-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Path arrays contain only valid string keys and numeric indices.\n- Path discovery must preserve generator ordering and multiplicity.\n- Projection and discovery must not mutate the source value.\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-PATH-002.md ===\n# FEATURE: Path Access and Mutation Primitives\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provides jq nested path access, update, and deletion primitives. |\n| Depends On | FEATURE-PATH-001.md |\n| Provides | getpath, setpath, delpaths |\n| Consumes | path discovery, jq value model |\n\n## Questions\n\n- None.\n\n## Purpose\n\nImplement immutable access and mutation of nested arrays and objects through explicit path arrays.\n\n## Behavior\n\n- `getpath` reads values at supplied paths and returns `null` for absent paths where specified.\n- `setpath` creates missing object and array structure and updates existing values.\n- `delpaths` removes all requested paths without mutating the original input.\n- Multiple path expressions preserve their generator order.\n- Invalid path types, negative indices, and excessive path depth produce jq runtime errors or no-ops according to the specification.\n\n## Programmatic Acceptance\n\n=== AC path-002-conformance ===\nIntent: The authoritative corpus slice covering getpath, setpath, and delpaths executes and passes.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"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\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC path-002-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Values remain immutable from the filter author's perspective.\n- Do not treat invalid paths as valid object keys or array indices.\n- Enforce the supplied depth and indexing semantics.\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-PATH-003.md ===\n# FEATURE: Deletion and Assignment Operators\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Provides jq deletion and assignment operators over path expressions. |\n| Depends On | FEATURE-PATH-002.md |\n| Provides | del, =, |=, +=, -=, *=, /=, %=, //=\n| Consumes | path discovery, getpath, setpath, delpaths |\n\n## Questions\n\n- None.\n\n## Purpose\n\nImplement jq's immutable deletion, plain assignment, update assignment, and arithmetic assignment semantics.\n\n## Behavior\n\n- `del` removes values selected by one or more path expressions.\n- Plain assignment evaluates the right-hand side against the original input and uses every produced value.\n- Update assignment evaluates the right-hand side against each selected value and uses the first result.\n- Arithmetic assignments apply the corresponding operator to selected values.\n- Defined-or assignment replaces false or null values with the right-hand result.\n- Multi-path assignments preserve jq's output ordering and multiplicity.\n\n## Programmatic Acceptance\n\n=== AC path-003-conformance ===\nIntent: The authoritative corpus slice covering deletion and assignment operators executes 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\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC path-003-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Assignment must produce immutable values and must not leak mutations between outputs.\n- Preserve the distinction between `=` and `|=`.\n- Empty update streams delete the selected path.\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT FEATURE-PATH-004.md ===\n# FEATURE: Complex Assignment Edge Cases\n\n| Field | Value |\n|-------------|-------|\n| Version | 20260822 V1 |\n| Description | Completes jq assignment behavior for iterated, invalid, and deep paths. |\n| Depends On | FEATURE-PATH-003.md |\n| Provides | iterated assignment, empty updates, array expansion, invalid and deep paths |\n| Consumes | deletion and assignment operators |\n\n## Questions\n\n- None.\n\n## Purpose\n\nHandle complex assignment cases involving iterated paths, empty updates, array expansion, invalid indices, NaN indices, string slices, and depth limits.\n\n## Behavior\n\n- Assignments through iterated and filtered paths update every selected location in jq order.\n- Empty updates remove selected array or object members.\n- Assignments beyond an array's current length expand it with `null` values where specified.\n- Negative, fractional, and NaN indices follow jq's access and mutation rules.\n- String slices cannot be updated when jq forbids string mutation.\n- Path, containment, comparison, serialization, and merge depth limits are enforced.\n\n## Programmatic Acceptance\n\n=== AC path-004-conformance ===\nIntent: The authoritative corpus slice covering complex assignment edge cases executes and passes.\nSuite: scoped\nRequires: executable=python3; scope=test\n\nimport json\nimport os\nimport subprocess\nimport sys\n\nselect = r\"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\nassert summary[\"error\"] == 0\nassert result.returncode == 0\n=== END AC path-004-conformance ===\n\n## User Acceptance\n\n- None.\n\n## Guardrails\n\n- Reject invalid mutations with runtime errors rather than corrupting values.\n- Preserve partial output before runtime failure.\n- Enforce documented depth limits without recursion runaway.\n=== END ARTIFACT ==="}}
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Run artifact