{"type":"thread.started","thread_id":"01a02b07-2153-7023-b23a-af9a04afd6b5"}
{"type":"turn.started"}
{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"I’m inspecting the existing build tree first, then I’ll implement the JSON-lines input/output boundary and run the declared acceptance checks against the resulting executable."}}
{"type":"item.started","item":{"id":"item_1","type":"command_execution","command":"/bin/bash -lc \"pwd && rg --files -g '\"'!sources/**'\"' -g '\"'!*.pyc'\"' -g '\"'!__pycache__/**'\"' || true && find . -maxdepth 2 -type f -printf '%p\\\\n' | sort\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_1","type":"command_execution","command":"/bin/bash -lc \"pwd && rg --files -g '\"'!sources/**'\"' -g '\"'!*.pyc'\"' -g '\"'!__pycache__/**'\"' || true && find . -maxdepth 2 -type f -printf '%p\\\\n' | sort\"","aggregated_output":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq\njq\njq_interpreter/builtins.py\njq_interpreter/ast.py\njq_interpreter/architecture.py\njq_interpreter/interpreter.py\njq_interpreter/evaluator.py\njq_interpreter/errors.py\njq_interpreter/diagnostics.py\njq_interpreter/cli.py\njq_interpreter/paths.py\njq_interpreter/parser.py\njq_interpreter/lexer.py\njq_interpreter/runtime.py\njq_interpreter/__init__.py\ntests/test_architecture.py\ntests/test_conformance_assets.py\n./jq\n./jq_interpreter/__init__.py\n./jq_interpreter/architecture.py\n./jq_interpreter/ast.py\n./jq_interpreter/builtins.py\n./jq_interpreter/cli.py\n./jq_interpreter/diagnostics.py\n./jq_interpreter/errors.py\n./jq_interpreter/evaluator.py\n./jq_interpreter/interpreter.py\n./jq_interpreter/lexer.py\n./jq_interpreter/parser.py\n./jq_interpreter/paths.py\n./jq_interpreter/runtime.py\n./sources/builtin.jq\n./sources/exclusions.txt\n./sources/full_test.sh\n./sources/jq-manual.txt\n./sources/jq.test\n./sources/lexer.l\n./sources/parser.y\n./sources/run_conformance.py\n./tests/test_architecture.py\n./tests/test_conformance_assets.py\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_2","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,240p' jq_interpreter/cli.py && sed -n '1,220p' jq_interpreter/interpreter.py && sed -n '1,180p' jq\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_2","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,240p' jq_interpreter/cli.py && sed -n '1,220p' jq_interpreter/interpreter.py && sed -n '1,180p' jq\"","aggregated_output":"\"\"\"Executable boundary for ``jq -c '<program>'``.\"\"\"\n\nimport argparse\nimport json\nimport math\nimport sys\nfrom collections.abc import Iterator\n\nfrom .diagnostics import report_compile_error, report_runtime_error\nfrom .errors import CompileError, RuntimeError\nfrom .interpreter import Interpreter, parse_input\n\n\ndef _inputs() -> Iterator[object]:\n    for line in sys.stdin:\n        if line.strip():\n            yield parse_input(line)\n\n\ndef _json_output(value: object) -> object:\n    \"\"\"Convert jq's non-finite numbers to its JSON output representation.\n\n    jq represents NaN and infinities as ``null`` when emitting JSON.  Doing this\n    recursively also covers values nested in arrays and objects.\n    \"\"\"\n    if isinstance(value, float) and not math.isfinite(value):\n        return None\n    if isinstance(value, list):\n        return [_json_output(item) for item in value]\n    if isinstance(value, dict):\n        return {key: _json_output(item) for key, item in value.items()}\n    return value\n\n\ndef main(argv: list[str] | None = None) -> int:\n    arguments = argparse.ArgumentParser(prog=\"jq\")\n    arguments.add_argument(\"-c\", action=\"store_true\")\n    arguments.add_argument(\"program\")\n    options = arguments.parse_args(argv)\n    try:\n        interpreter = Interpreter(options.program)\n    except CompileError as error:\n        return report_compile_error(error)\n    try:\n        for output in interpreter.run(_inputs()):\n            print(\n                json.dumps(_json_output(output), separators=(\",\", \":\"), ensure_ascii=False),\n                flush=True,\n            )\n    except (RuntimeError, ValueError, TypeError, json.JSONDecodeError) as error:\n        return report_runtime_error(RuntimeError(str(error)))\n    return 0\n\"\"\"Application-facing interpreter orchestration.\"\"\"\n\nimport json\nfrom collections.abc import Iterable, Iterator\n\nfrom .evaluator import evaluate\nfrom .parser import parse\nfrom .runtime import JsonValue\n\n\nclass Interpreter:\n    \"\"\"Compile once, then evaluate each JSON input in order.\"\"\"\n\n    def __init__(self, program: str) -> None:\n        self._compiled = parse(program)\n\n    def run(self, inputs: Iterable[JsonValue]) -> Iterator[JsonValue]:\n        \"\"\"Yield every output, preserving input and generator ordering.\"\"\"\n        for value in inputs:\n            yield from evaluate(self._compiled, value)\n\n\ndef parse_input(line: str) -> JsonValue:\n    \"\"\"Decode one JSON input record.\"\"\"\n    return json.loads(line.lstrip(\"\\ufeff\"), parse_constant=_parse_json_constant)\n\n\ndef _parse_json_constant(value: str) -> float:\n    \"\"\"Decode jq's accepted non-standard numeric constants.\"\"\"\n    return {\"NaN\": float(\"nan\"), \"Infinity\": float(\"inf\"),\n            \"-Infinity\": float(\"-inf\")}[value]\n#!/usr/bin/env python3\n\"\"\"Standalone jq executable entry point.\n\nThe interpreter package owns parsing and evaluation; this tiny launcher keeps\nthe application-root contract explicit and lets the file remain directly\nexecutable without installation.\n\"\"\"\n\nfrom __future__ import annotations\n\nfrom jq_interpreter.cli import main\n\n\ndef run() -> int:\n    \"\"\"Run the command-line interface and return its process status.\"\"\"\n    return main()\n\n\nif __name__ == \"__main__\":\n    raise SystemExit(run())\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_3","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/evaluator.py && sed -n '1,220p' jq_interpreter/runtime.py && sed -n '1,220p' tests/test_architecture.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_3","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/evaluator.py && sed -n '1,220p' jq_interpreter/runtime.py && sed -n '1,220p' tests/test_architecture.py\"","aggregated_output":"\"\"\"Ordered generator evaluator boundary.\"\"\"\n\nfrom .ast import Array, Comma, Filter, Identity, Limit, Literal, Raise\nfrom .errors import RuntimeError\nfrom .runtime import JsonValue, ValueStream, identity_stream\n\n\ndef evaluate(program: Filter, value: JsonValue) -> ValueStream:\n    \"\"\"Evaluate one input as an ordered stream of output values.\"\"\"\n    if isinstance(program, Identity):\n        yield from identity_stream(value)\n        return\n    if isinstance(program, Literal):\n        yield program.value\n        return\n    if isinstance(program, Comma):\n        yield from evaluate(program.left, value)\n        yield from evaluate(program.right, value)\n        return\n    if isinstance(program, Raise):\n        raise RuntimeError(program.message)\n    if isinstance(program, Array):\n        yield list(evaluate(program.expression, value))\n        return\n    if isinstance(program, Limit):\n        outputs = iter(evaluate(program.expression, value))\n        for _ in range(program.count):\n            try:\n                yield next(outputs)\n            except StopIteration:\n                break\n        return\n    raise RuntimeError(\"unknown compiled filter\")\n\"\"\"Runtime value and stream contracts.\"\"\"\n\nfrom collections.abc import Iterator\nfrom dataclasses import dataclass, field\nfrom typing import TypeAlias\n\nJsonValue: TypeAlias = None | bool | int | float | str | list[\"JsonValue\"] | dict[str, \"JsonValue\"]\nValueStream: TypeAlias = Iterator[JsonValue]\n\n\n@dataclass\nclass EvaluationContext:\n    \"\"\"Per-input state for lexical bindings and runtime options.\"\"\"\n\n    bindings: dict[str, JsonValue] = field(default_factory=dict)\n\n\ndef identity_stream(value: JsonValue) -> ValueStream:\n    \"\"\"Yield one value, retaining the stream contract used by the evaluator.\"\"\"\n    yield value\n\"\"\"Boundary tests for the foundational interpreter architecture.\"\"\"\n\nimport json\nimport subprocess\nimport sys\nimport unittest\nfrom pathlib import Path\n\nfrom jq_interpreter import CompileError, Interpreter, MODULE_BOUNDARIES\nfrom jq_interpreter.architecture import COMPILE_EXIT, RUNTIME_EXIT\nfrom jq_interpreter.runtime import EvaluationContext\nfrom jq_interpreter.paths import Path as JsonPath, get_path\n\nROOT = Path(__file__).parents[1]\nEXECUTABLE = ROOT / \"jq\"\n\n\nclass ArchitectureTests(unittest.TestCase):\n    def test_module_boundaries_name_each_foundational_subsystem(self) -> None:\n        modules = {boundary.module for boundary in MODULE_BOUNDARIES}\n        self.assertTrue({\n            \"jq\",\n            \"jq_interpreter.lexer\",\n            \"jq_interpreter.parser\",\n            \"jq_interpreter.evaluator\",\n            \"jq_interpreter.runtime\",\n            \"jq_interpreter.builtins\",\n        } <= modules)\n\n    def test_each_input_gets_isolated_evaluation_context(self) -> None:\n        first = EvaluationContext()\n        second = EvaluationContext()\n        first.bindings[\"answer\"] = 42\n        self.assertEqual(second.bindings, {})\n\n    def test_diagnostics_use_declared_process_exit_contract(self) -> None:\n        self.assertEqual((COMPILE_EXIT, RUNTIME_EXIT), (3, 5))\n\n    def test_special_numeric_literals_are_emitted_as_json_null(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \"nan, infinite\"],\n            input=\"null\\n\",\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 0)\n        self.assertEqual(result.stdout.splitlines(), [\"null\", \"null\"])\n\n    def test_unicode_is_decoded_and_compactly_reencoded(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \".\"],\n            input='\"\\\\u03bc\"\\n',\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 0)\n        self.assertEqual(json.loads(result.stdout), \"μ\")\n\n    def test_identity_preserves_order_and_multiplicity(self) -> None:\n        outputs = list(Interpreter(\".\").run([1, 2, 2]))\n        self.assertEqual(outputs, [1, 2, 2])\n\n    def test_compile_failure_is_distinct(self) -> None:\n        with self.assertRaises(CompileError):\n            Interpreter(\"not-a-filter\")\n\n    def test_path_read_does_not_mutate_value(self) -> None:\n        value = {\"nested\": {\"answer\": 42}}\n        self.assertEqual(get_path(value, JsonPath((\"nested\", \"answer\"))), 42)\n        self.assertEqual(value, {\"nested\": {\"answer\": 42}})\n\n    def test_executable_streams_compact_json_lines(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \".\"],\n            input='{\"a\": 1}\\n[2, 3]\\n',\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 0)\n        self.assertEqual(\n            [json.loads(line) for line in result.stdout.splitlines()],\n            [{\"a\": 1}, [2, 3]],\n        )\n\n    def test_executable_reports_compile_exit_three(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \"x\"],\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 3)\n\n    def test_executable_reports_runtime_exit_five(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \"error\"],\n            input=\"null\\n\",\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 5)\n        self.assertNotEqual(result.stderr, \"\")\n\n    def test_runtime_failure_keeps_prior_generator_output(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \"1, error\"],\n            input=\"null\\n\",\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 5)\n        self.assertEqual(result.stdout.splitlines(), [\"1\"])\n        self.assertNotEqual(result.stderr, \"\")\n\n    def test_runtime_diagnostic_is_not_written_to_stdout(self) -> None:\n        result = subprocess.run(\n            [sys.executable, str(EXECUTABLE), \"-c\", \"error\"],\n            input=\"null\\n\",\n            capture_output=True,\n            text=True,\n            check=False,\n        )\n        self.assertEqual(result.returncode, 5)\n        self.assertEqual(result.stdout, \"\")\n        self.assertNotEqual(result.stderr, \"\")\n\n\nif __name__ == \"__main__\":\n    unittest.main()\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_4","type":"agent_message","text":"The boundary already has the right architecture—compile once, iterate stdin records, and emit each evaluator result with compact `json.dumps`. I’m checking its edge behavior now, especially blank lines, BOM/Unicode input, and whether runtime errors preserve output already emitted."}}
{"type":"item.started","item":{"id":"item_5","type":"command_execution","command":"/bin/bash -lc 'ls -l jq && python3 -m unittest discover -s tests -v'","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_5","type":"command_execution","command":"/bin/bash -lc 'ls -l jq && python3 -m unittest discover -s tests -v'","aggregated_output":"test_compile_failure_is_distinct (test_architecture.ArchitectureTests.test_compile_failure_is_distinct) ... ok\ntest_diagnostics_use_declared_process_exit_contract (test_architecture.ArchitectureTests.test_diagnostics_use_declared_process_exit_contract) ... ok\ntest_each_input_gets_isolated_evaluation_context (test_architecture.ArchitectureTests.test_each_input_gets_isolated_evaluation_context) ... ok\ntest_executable_reports_compile_exit_three (test_architecture.ArchitectureTests.test_executable_reports_compile_exit_three) ... ok\ntest_executable_reports_runtime_exit_five (test_architecture.ArchitectureTests.test_executable_reports_runtime_exit_five) ... ok\ntest_executable_streams_compact_json_lines (test_architecture.ArchitectureTests.test_executable_streams_compact_json_lines) ... ok\ntest_identity_preserves_order_and_multiplicity (test_architecture.ArchitectureTests.test_identity_preserves_order_and_multiplicity) ... ok\ntest_module_boundaries_name_each_foundational_subsystem (test_architecture.ArchitectureTests.test_module_boundaries_name_each_foundational_subsystem) ... ok\ntest_path_read_does_not_mutate_value (test_architecture.ArchitectureTests.test_path_read_does_not_mutate_value) ... ok\ntest_runtime_diagnostic_is_not_written_to_stdout (test_architecture.ArchitectureTests.test_runtime_diagnostic_is_not_written_to_stdout) ... ok\ntest_runtime_failure_keeps_prior_generator_output (test_architecture.ArchitectureTests.test_runtime_failure_keeps_prior_generator_output) ... ok\ntest_special_numeric_literals_are_emitted_as_json_null (test_architecture.ArchitectureTests.test_special_numeric_literals_are_emitted_as_json_null) ... ok\ntest_unicode_is_decoded_and_compactly_reencoded (test_architecture.ArchitectureTests.test_unicode_is_decoded_and_compactly_reencoded) ... ok\ntest_all_imported_asset_files_are_nonempty (test_conformance_assets.ConformanceAssetTests.test_all_imported_asset_files_are_nonempty) ... ok\ntest_harness_uses_staged_canonical_paths (test_conformance_assets.ConformanceAssetTests.test_harness_uses_staged_canonical_paths) ... ok\ntest_pinned_corpus_and_exclusions_are_consistent (test_conformance_assets.ConformanceAssetTests.test_pinned_corpus_and_exclusions_are_consistent) ... ok\n\n----------------------------------------------------------------------\nRan 16 tests in 2.018s\n\nOK\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_6","type":"agent_message","text":"The existing tests pass, but the input reader is line-based. I’m tightening this story’s implementation to parse a whitespace-separated JSON stream (including multiline values) while retaining jq’s ordered, one-output-per-line behavior, and I’ll add direct tests for all three declared acceptance cases."}}
{"type":"item.started","item":{"id":"item_7","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/cli.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/interpreter.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/tests/test_json_io.py","kind":"add"}],"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_7","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/cli.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/interpreter.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/tests/test_json_io.py","kind":"add"}],"status":"completed"}}
{"type":"item.started","item":{"id":"item_8","type":"command_execution","command":"/bin/bash -lc \"rg \\\"parse_input|_inputs|parse_inputs\\\" -n . -g '\"'!sources/**'\"' && python3 -m pytest -q\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_8","type":"command_execution","command":"/bin/bash -lc \"rg \\\"parse_input|_inputs|parse_inputs\\\" -n . -g '\"'!sources/**'\"' && python3 -m pytest -q\"","aggregated_output":".................F..                                                     [100%]\n=================================== FAILURES ===================================\n____________ test_generator_outputs_preserve_order_and_multiplicity ____________\n\n    def test_generator_outputs_preserve_order_and_multiplicity() -> None:\n        result = run_jq(\".[]\", \"[1,2,3]\\n\")\n>       assert result.returncode == 0\nE       AssertionError: assert 3 == 0\nE        +  where 3 = CompletedProcess(args=['/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq', '-c', '.[]'], returncode=3, stdout='', stderr='jq: compile error: unsupported program in foundational parser\\n').returncode\n\ntests/test_json_io.py:31: AssertionError\n=========================== short test summary info ============================\nFAILED tests/test_json_io.py::test_generator_outputs_preserve_order_and_multiplicity\n1 failed, 19 passed in 4.59s\n","exit_code":1,"status":"failed"}}
{"type":"item.started","item":{"id":"item_9","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,180p' jq_interpreter/errors.py && sed -n '1,160p' jq_interpreter/diagnostics.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_9","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,180p' jq_interpreter/errors.py && sed -n '1,160p' jq_interpreter/diagnostics.py\"","aggregated_output":"\"\"\"Errors crossing the interpreter's process boundary.\"\"\"\n\n\nclass CompileError(Exception):\n    \"\"\"The jq program could not be parsed or statically validated.\"\"\"\n\n\nclass RuntimeError(Exception):\n    \"\"\"Evaluation failed after the program was compiled.\"\"\"\n\"\"\"Process diagnostics and exit-code policy.\"\"\"\n\nimport sys\nfrom typing import TextIO\n\nfrom .errors import CompileError, RuntimeError\nfrom .architecture import COMPILE_EXIT, RUNTIME_EXIT\n\n\ndef report_compile_error(error: CompileError, stream: TextIO = sys.stderr) -> int:\n    print(f\"jq: compile error: {error}\", file=stream)\n    return COMPILE_EXIT\n\n\ndef report_runtime_error(error: RuntimeError, stream: TextIO = sys.stderr) -> int:\n    print(f\"jq: runtime error: {error}\", file=stream)\n    return RUNTIME_EXIT\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_10","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/parser.py && sed -n '1,220p' jq_interpreter/ast.py && sed -n '1,180p' jq_interpreter/lexer.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_10","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/parser.py && sed -n '1,220p' jq_interpreter/ast.py && sed -n '1,180p' jq_interpreter/lexer.py\"","aggregated_output":"\"\"\"Parser boundary: source tokens become an immutable intermediate form.\"\"\"\n\nimport json\nimport re\n\nfrom .ast import Array, Comma, Filter, Identity, Limit, Literal, Raise\nfrom .errors import CompileError\nfrom .lexer import TokenKind, tokenize\n\n\ndef parse(source: str) -> Filter:\n    \"\"\"Compile source into a filter or raise :class:`CompileError`.\"\"\"\n    text = source.strip()\n    if not text:\n        raise CompileError(\"empty program\")\n    if text == \".\":\n        return Identity()\n    if text == \"error\":\n        return Raise()\n    if text.startswith(\"[\") and text.endswith(\"]\"):\n        return Array(parse(text[1:-1]))\n    if text.startswith(\"limit(\") and text.endswith(\")\"):\n        body = text[6:-1]\n        separator = _top_level_separator(body, \";\")\n        if separator is not None:\n            count_text, expression = body[:separator], body[separator + 1 :]\n            if count_text.strip().isdigit():\n                return Limit(int(count_text.strip()), parse(expression))\n    comma = _top_level_comma(text)\n    if comma is not None:\n        return Comma(parse(text[:comma]), parse(text[comma + 1 :]))\n    if text in {\"nan\", \"infinite\", \"-infinite\", \"-nan\"}:\n        return Literal({\"nan\": float(\"nan\"), \"infinite\": float(\"inf\"),\n                        \"-infinite\": float(\"-inf\"), \"-nan\": float(\"nan\")}[text])\n    if re.fullmatch(r\"(?:-?(?:0|[1-9]\\d*)(?:\\.\\d+)?(?:[eE][+-]?\\d+)?)|true|false|null|\\\"(?:[^\\\"\\\\]|\\\\.)*\\\"\", text):\n        try:\n            return Literal(json.loads(text))\n        except json.JSONDecodeError as error:\n            raise CompileError(f\"invalid literal: {error.msg}\") from error\n    raise CompileError(\"unsupported program in foundational parser\")\n\n\ndef _top_level_comma(text: str) -> int | None:\n    return _top_level_separator(text, \",\")\n\n\ndef _top_level_separator(text: str, separator: str) -> int | None:\n    depth = 0\n    quoted = False\n    escaped = False\n    for position, character in enumerate(text):\n        if quoted:\n            if escaped:\n                escaped = False\n            elif character == \"\\\\\":\n                escaped = True\n            elif character == '\"':\n                quoted = False\n        elif character == '\"':\n            quoted = True\n        elif character in \"[{(\":\n            depth += 1\n        elif character in \"]})\":\n            depth -= 1\n        elif character == separator and depth == 0:\n            return position\n    if quoted or depth != 0:\n        raise CompileError(\"incomplete program\")\n    return None\n\"\"\"Syntax tree types shared by the lexer, parser, and evaluator.\"\"\"\n\nfrom dataclasses import dataclass\n\n\n@dataclass(frozen=True)\nclass Filter:\n    \"\"\"Base type for compiled jq filters.\"\"\"\n\n\n@dataclass(frozen=True)\nclass Identity(Filter):\n    \"\"\"The ``.`` filter, yielding its input unchanged.\"\"\"\n\n\n@dataclass(frozen=True)\nclass Literal(Filter):\n    \"\"\"A JSON literal filter.\"\"\"\n\n    value: object\n\n\n@dataclass(frozen=True)\nclass Comma(Filter):\n    \"\"\"Concatenate the output streams of two filters.\"\"\"\n\n    left: Filter\n    right: Filter\n\n\n@dataclass(frozen=True)\nclass Raise(Filter):\n    \"\"\"Raise a jq runtime error when evaluated.\"\"\"\n\n    message: str = \"error\"\n\n\n@dataclass(frozen=True)\nclass Array(Filter):\n    \"\"\"Collect a filter's generated values into an array.\"\"\"\n\n    expression: Filter\n\n\n@dataclass(frozen=True)\nclass Limit(Filter):\n    \"\"\"Keep at most ``count`` values from a filter stream.\"\"\"\n\n    count: int\n    expression: Filter\n\"\"\"Lexical boundary for jq source text.\"\"\"\n\nfrom dataclasses import dataclass\nfrom enum import Enum, auto\n\nfrom .errors import CompileError\n\n\nclass TokenKind(Enum):\n    IDENTITY = auto()\n    END = auto()\n\n\n@dataclass(frozen=True)\nclass Token:\n    kind: TokenKind\n    text: str\n    position: int\n\n\ndef tokenize(source: str) -> list[Token]:\n    \"\"\"Tokenize the foundation syntax, preserving source positions.\"\"\"\n    tokens: list[Token] = []\n    for position, character in enumerate(source):\n        if character.isspace():\n            continue\n        if character == \".\":\n            tokens.append(Token(TokenKind.IDENTITY, character, position))\n            continue\n        raise CompileError(f\"unexpected character at position {position}\")\n    tokens.append(Token(TokenKind.END, \"\", len(source)))\n    return tokens\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_11","type":"agent_message","text":"One declared acceptance case exposed a dependency gap: the prior parser does not yet compile `.[]`, so the generator-output gate cannot pass as written. I’m adding the minimal iteration filter required by that gate (`.[]` over arrays/objects), then I’ll rerun the project tests and all three acceptance checks."}}
{"type":"item.started","item":{"id":"item_12","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/ast.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/evaluator.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/parser.py","kind":"update"}],"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_12","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/ast.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/evaluator.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/parser.py","kind":"update"}],"status":"completed"}}
{"type":"item.started","item":{"id":"item_13","type":"command_execution","command":"/bin/bash -lc \"python3 -m pytest -q && python3 - <<'PY'\nimport json, os, subprocess, sys\n\ndef check(program, text):\n    r = subprocess.run(['./jq','-c',program], input=text, text=True, capture_output=True)\n    print(program, r.returncode, r.stdout.strip(), r.stderr.strip())\n    return r\nr=check('.', '1\\\\n2\\\\n3\\\\n')\nassert r.returncode == 0 and r.stdout.splitlines() == ['1','2','3']\nr=check('.[]', '[1,2,3]\\\\n')\nassert r.returncode == 0 and r.stdout.splitlines() == ['1','2','3']\nr=check('.', '{\\\"a\\\": 1, \\\"b\\\": [2, 3]}\\\\n')\nassert r.returncode == 0 and json.loads(r.stdout) == {'a':1,'b':[2,3]} and len(r.stdout.splitlines()) == 1\nr=check('.', '{\\\\n \\\"answer\\\": \\\"μ\\\"\\\\n}\\\\n[1,2]\\\\n')\nassert r.returncode == 0 and [json.loads(x) for x in r.stdout.splitlines()] == [{'answer':'μ'},[1,2]]\nPY\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_13","type":"command_execution","command":"/bin/bash -lc \"python3 -m pytest -q && python3 - <<'PY'\nimport json, os, subprocess, sys\n\ndef check(program, text):\n    r = subprocess.run(['./jq','-c',program], input=text, text=True, capture_output=True)\n    print(program, r.returncode, r.stdout.strip(), r.stderr.strip())\n    return r\nr=check('.', '1\\\\n2\\\\n3\\\\n')\nassert r.returncode == 0 and r.stdout.splitlines() == ['1','2','3']\nr=check('.[]', '[1,2,3]\\\\n')\nassert r.returncode == 0 and r.stdout.splitlines() == ['1','2','3']\nr=check('.', '{\\\"a\\\": 1, \\\"b\\\": [2, 3]}\\\\n')\nassert r.returncode == 0 and json.loads(r.stdout) == {'a':1,'b':[2,3]} and len(r.stdout.splitlines()) == 1\nr=check('.', '{\\\\n \\\"answer\\\": \\\"μ\\\"\\\\n}\\\\n[1,2]\\\\n')\nassert r.returncode == 0 and [json.loads(x) for x in r.stdout.splitlines()] == [{'answer':'μ'},[1,2]]\nPY\"","aggregated_output":"....................                                                     [100%]\n20 passed in 3.31s\n. 0 1\n2\n3 \n.[] 0 1\n2\n3 \n. 0 {\"a\":1,\"b\":[2,3]} \n. 0 {\"answer\":\"μ\"}\n[1,2] \n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_14","type":"agent_message","text":"The implementation and tests are green: 20 project tests pass, and the three declared checks pass with the expected exit status and decoded values. I’m doing a final diff/scope check to ensure only application and test files changed, with `sources/` untouched."}}
{"type":"item.started","item":{"id":"item_15","type":"command_execution","command":"/bin/bash -lc 'git diff --stat -- jq jq_interpreter tests && git diff --check && git status --short -- jq jq_interpreter tests sources'","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_15","type":"command_execution","command":"/bin/bash -lc 'git diff --stat -- jq jq_interpreter tests && git diff --check && git status --short -- jq jq_interpreter tests sources'","aggregated_output":" runs/20260822.044627/build/jq/jq                   | 16 ++++++++--\n .../build/jq/jq_interpreter/__init__.py            |  3 +-\n .../20260822.044627/build/jq/jq_interpreter/ast.py |  5 +++\n .../20260822.044627/build/jq/jq_interpreter/cli.py | 11 ++++---\n .../build/jq/jq_interpreter/diagnostics.py         |  4 +--\n .../build/jq/jq_interpreter/evaluator.py           | 10 +++++-\n .../build/jq/jq_interpreter/interpreter.py         | 23 +++++++++++++-\n .../build/jq/jq_interpreter/parser.py              |  4 ++-\n .../build/jq/jq_interpreter/runtime.py             |  8 +++++\n .../build/jq/tests/test_architecture.py            | 36 +++++++++++++++++++++-\n 10 files changed, 105 insertions(+), 15 deletions(-)\n M jq\n M jq_interpreter/__init__.py\n M jq_interpreter/ast.py\n M jq_interpreter/cli.py\n M jq_interpreter/diagnostics.py\n M jq_interpreter/evaluator.py\n M jq_interpreter/interpreter.py\n M jq_interpreter/parser.py\n M jq_interpreter/runtime.py\n M tests/test_architecture.py\n?? jq_interpreter/architecture.py\n?? tests/test_json_io.py\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_16","type":"agent_message","text":"RESULT: SUCCESS\n\nFILES CHANGED:\n- jq_interpreter/interpreter.py\n- jq_interpreter/cli.py\n- jq_interpreter/ast.py\n- jq_interpreter/parser.py\n- jq_interpreter/evaluator.py\n- tests/test_json_io.py\n\nSUMMARY:\nImplemented whitespace-separated JSON stream input, compact ordered JSON output, and `.[]` generator support. All 20 tests and declared acceptance checks pass.\n\nBLOCKERS:\n- None"}}
{"type":"turn.completed","usage":{"input_tokens":533004,"cached_input_tokens":478720,"cache_write_input_tokens":0,"output_tokens":3932,"reasoning_output_tokens":907}}