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{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"=== BEGIN ARTIFACT TOPOLOGY.md ===\n# TOPOLOGY: jq\n\n## story architecture\nsummary: Define the standalone interpreter architecture and module boundaries.\ntype: foundational\nkind: capability\nphase: 1\nimplements: ARCHITECTURE.md\nstack: common.md, python.md\nprovides: interpreter module boundaries, executable boundary\nacceptance: yes\ninstructions: |\n Establish the Python standard-library architecture, executable boundary, lexer/parser/evaluator\n ownership, immutable value and path-operation boundaries, and diagnostic flow. Do not add\n third-party dependencies or shell out to another jq implementation.\nscope: blueprint\n\n## story exec-001\nsummary: Implement the executable jq entry point.\ntype: service\nkind: capability\nphase: 1\nimplements: FEATURE-Executable-Entry-Point.md\ncovers: EXEC-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/INSTRUCTIONS.md, sources/run_conformance.py\nprovides: ./jq -c program execution\nconsumes: interpreter parser and evaluator\ndepends: architecture\nacceptance: yes\ninstructions: |\n Deliver an executable named jq at the application root. Accept the exercised -c program\n interface, read JSON input from stdin, evaluate the filter, and emit each result as one compact\n JSON value per line. Gate with the EXEC-001 selector from STORY_GUIDANCE.json, executing cases.\nscope: target\n\n## story exec-002\nsummary: Implement jq process exit and diagnostic behavior.\ntype: service\nkind: capability\nphase: 1\nimplements: FEATURE-Process-Contract.md\ncovers: EXEC-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/INSTRUCTIONS.md, sources/run_conformance.py\nprovides: compile exit 3, runtime exit 5, success exit 0, stderr diagnostics\nconsumes: ./jq -c program execution\ndepends: exec-001\nacceptance: yes\ninstructions: |\n Keep compilation failures distinct from runtime failures and preserve partial stdout before a\n runtime error. Send diagnostics only to stderr. Gate with the EXEC-002-related corpus slice using\n the runner's executing scoped mode.\nscope: target\n\n## story exec-003\nsummary: Implement JSON input, Unicode, numeric, and compact output handling.\ntype: service\nkind: capability\nphase: 1\nimplements: FEATURE-Json-IO.md\ncovers: EXEC-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq.test, sources/run_conformance.py\nprovides: JSON stdin parsing, compact JSON serialization, ordered output stream\nconsumes: ./jq -c program execution\ndepends: exec-002\nacceptance: yes\ninstructions: |\n Support multiple JSON input values, Unicode escapes and characters, special numeric values\n required by the corpus, structural output ordering, and one output value per line. Gate the\n EXEC-003-related executing corpus slice.\nscope: target\n\n## story parse-001\nsummary: Implement jq lexical scanning.\ntype: service\nkind: capability\nphase: 2\nimplements: FEATURE-Lexer.md\ncovers: PARSE-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/lexer.l, sources/parser.y, sources/jq.test\nprovides: jq tokenization\nconsumes: interpreter executable boundary\ndepends: exec-003\nacceptance: yes\ninstructions: |\n Implement lexical scanning for literals, identifiers, fields, bindings, keywords, operators,\n delimiters, comments, formats, and interpolation markers according to sources/lexer.l. Gate\n with the PARSE-001 executing selector.\nscope: target\n\n## story parse-002\nsummary: Implement literals, escapes, and string interpolation.\ntype: service\nkind: capability\nphase: 2\nimplements: FEATURE-Strings-and-Interpolation-Parser.md\ncovers: PARSE-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/lexer.l, sources/parser.y, sources/jq.test\nprovides: JSON string literals, escapes, interpolation, format literals\nconsumes: jq tokenization\ndepends: parse-001\nacceptance: yes\ninstructions: |\n Parse JSON escapes, Unicode, formatted strings, and \\(expression) interpolation with generator\n multiplicity preserved. Gate with the PARSE-002 executing selector.\nscope: target\n\n## story parse-003\nsummary: Implement the jq filter expression grammar.\ntype: service\nkind: capability\nphase: 2\nimplements: FEATURE-Filter-Parser.md\ncovers: PARSE-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/lexer.l, sources/jq.test\nprovides: AST for pipes, commas, precedence, indexing, slices, arrays, objects, operators\nconsumes: jq tokenization\ndepends: parse-002\nacceptance: yes\ninstructions: |\n Implement expression parsing and precedence for pipes, commas, indexing, slicing, arrays,\n objects, unary operators, binary operators, and optional expressions. Gate with the PARSE-003\n executing selector.\nscope: target\n\n## story parse-004\nsummary: Implement declarations and control syntax parsing.\ntype: service\nkind: capability\nphase: 2\nimplements: FEATURE-Declaration-Parser.md\ncovers: PARSE-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/lexer.l, sources/jq.test\nprovides: declarations, modules grammar, conditionals, exceptions, reductions, labels, bindings\nconsumes: AST for filter expressions\ndepends: parse-003\nacceptance: yes\ninstructions: |\n Parse def, module/include grammar, conditionals, try/catch, reductions, foreach, labels,\n bindings, destructuring, and required rejection cases without loading excluded module fixtures.\n Gate with the PARSE-004 executing selector.\nscope: target\n\n## story core-001\nsummary: Implement stream-valued filter evaluation.\ntype: service\nkind: capability\nphase: 3\nimplements: FEATURE-Generator-Core.md\ncovers: CORE-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: ordered generator evaluation, empty, iteration, range\nconsumes: AST for filter expressions\ndepends: parse-004\nacceptance: yes\ninstructions: |\n Evaluate every filter as an ordered generator supporting zero, one, or many outputs, backtracking,\n identity, iteration, range, and empty. Gate with the CORE-001 executing selector.\nscope: target\n\n## story core-002\nsummary: Implement composition and Cartesian evaluation.\ntype: service\nkind: capability\nphase: 3\nimplements: FEATURE-Composition.md\ncovers: CORE-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: pipe, comma, argument Cartesian products, collection, object construction\nconsumes: ordered generator evaluation\ndepends: core-001\nacceptance: yes\ninstructions: |\n Implement generator composition, Cartesian argument evaluation, array collection, object\n construction, and multiplicity/order semantics. Gate with the CORE-002 executing selector.\nscope: target\n\n## story core-003\nsummary: Implement empty, runtime errors, optional evaluation, and try.\ntype: service\nkind: capability\nphase: 3\nimplements: FEATURE-Error-and-Optional-Evaluation.md\ncovers: CORE-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: empty, error, runtime failure, optional operator, try/catch\nconsumes: ordered generator evaluation\ndepends: core-002\nacceptance: yes\ninstructions: |\n Preserve errors, suppression, try/catch behavior, optional operators, and output emitted before\n runtime failure. Gate with the CORE-003 executing selector.\nscope: target\n\n## story core-004\nsummary: Implement jq truthiness, equality, and ordering.\ntype: service\nkind: capability\nphase: 3\nimplements: FEATURE-Truthiness-and-Comparison.md\ncovers: CORE-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: truthiness, equality, inequality, type ordering, comparisons\nconsumes: ordered generator evaluation\ndepends: core-003\nacceptance: yes\ninstructions: |\n Implement false/null truthiness, strict jq equality, numeric equivalence, and total ordering\n across jq value types. Gate with the CORE-004 executing selector.\nscope: target\n\n## story value-001\nsummary: Implement the jq value model and special numbers.\ntype: service\nkind: capability\nphase: 4\nimplements: FEATURE-Value-Model.md\ncovers: VALUE-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: null, booleans, numbers, strings, arrays, objects, NaN, infinities\nconsumes: truthiness, equality, and ordering\ndepends: core-004\nacceptance: yes\ninstructions: |\n Represent jq values using only the standard library, preserving required literal-number\n behavior and supporting NaN and infinities. Gate with the VALUE-001 executing selector.\nscope: target\n\n## story value-002\nsummary: Implement field and index access.\ntype: service\nkind: capability\nphase: 4\nimplements: FEATURE-Accessors.md\ncovers: VALUE-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: object fields, array indices, optional access, negative indices\nconsumes: jq value model\ndepends: value-001\nacceptance: yes\ninstructions: |\n Implement object-field access, array indexing, missing values, optional access, and negative\n indices with jq error semantics. Gate with the VALUE-002 executing selector.\nscope: target\n\n## story value-003\nsummary: Implement slices and collection iteration.\ntype: service\nkind: capability\nphase: 4\nimplements: FEATURE-Slices-and-Iteration.md\ncovers: VALUE-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: array/string slices, array/object iteration, fractional bounds\nconsumes: field and index access\ndepends: value-002\nacceptance: yes\ninstructions: |\n Implement array and string slices, array/object iteration, optional iteration, fractional and\n out-of-range bounds. Gate with the VALUE-003 executing selector.\nscope: target\n\n## story value-004\nsummary: Implement type, length, numeric predicates, and math primitives.\ntype: service\nkind: capability\nphase: 4\nimplements: FEATURE-Type-and-Numeric-Builtins.md\ncovers: VALUE-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: type, length, utf8bytelength, numeric predicates, conversion, arithmetic math\nconsumes: jq value model, field and index access\ndepends: value-003\nacceptance: yes\ninstructions: |\n Implement type and length behavior, UTF-8 byte length, numeric predicates, tonumber,\n tostring-related conversion, arithmetic primitives, and required math functions. Gate with the\n VALUE-004 executing selector.\nscope: target\n\n## story flow-001\nsummary: Implement arithmetic and structural operators.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Arithmetic-Operators.md\ncovers: FLOW-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: plus, minus, multiply, divide, modulo, negation, recursive merge, repetition\nconsumes: type and numeric builtins\ndepends: value-004\nacceptance: yes\ninstructions: |\n Implement numeric, array, string, and object arithmetic; recursive object merge; string\n repetition and splitting; unary negation and division errors. Gate with the FLOW-001 selector.\nscope: target\n\n## story flow-002\nsummary: Implement boolean and alternative operators.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Boolean-and-Alternative-Operators.md\ncovers: FLOW-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: and, or, not, defined-or, defined-or assignment\nconsumes: truthiness and generator evaluation\ndepends: flow-001\nacceptance: yes\ninstructions: |\n Implement boolean operators, not, //, and //= with jq generator filtering and short-circuit\n behavior. Gate with the FLOW-002 executing selector.\nscope: target\n\n## story flow-003\nsummary: Implement conditionals and exception flow.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Conditionals-and-Exceptions.md\ncovers: FLOW-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: if, elif, else, try, catch, optional branches\nconsumes: boolean and alternative operators\ndepends: flow-002\nacceptance: yes\ninstructions: |\n Implement branching over generator results, optional else behavior, and exception flow with\n correct partial-output and backtracking semantics. Gate with the FLOW-003 executing selector.\nscope: target\n\n## story flow-004\nsummary: Implement lexical labels and breaks.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Labels-and-Breaks.md\ncovers: FLOW-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: label and break\nconsumes: conditionals and exception flow\ndepends: flow-003\nacceptance: yes\ninstructions: |\n Implement lexically scoped labels and breaks that terminate only the matching generator\n context, including invalid-label compile behavior. Gate with the FLOW-004 executing selector.\nscope: target\n\n## story flow-005\nsummary: Implement reductions and iteration controls.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Reductions-and-Iteration-Control.md\ncovers: FLOW-005\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: reduce, foreach, limit, skip, first, last, nth, range\nconsumes: labels and breaks, generator evaluation\ndepends: flow-004\nacceptance: yes\ninstructions: |\n Implement reduce and foreach state transitions plus limit, skip, first, last, nth, and\n generator-preserving range behavior. Gate with the FLOW-005 executing selector.\nscope: target\n\n## story flow-006\nsummary: Implement recursive generators.\ntype: service\nkind: capability\nphase: 5\nimplements: FEATURE-Recursive-Generators.md\ncovers: FLOW-006\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: while, until, repeat, recurse, recursive descent\nconsumes: reductions and iteration controls\ndepends: flow-005\nacceptance: yes\ninstructions: |\n Implement while, until, repeat, recurse, recursive descent, termination, and generator\n ordering without incorrect recursion cutoffs. Gate with the FLOW-006 executing selector.\nscope: target\n\n## story func-001\nsummary: Implement lexical variable bindings.\ntype: service\nkind: capability\nphase: 6\nimplements: FEATURE-Variable-Bindings.md\ncovers: FUNC-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: as bindings, lexical scope, shadowing, keyword identifiers\nconsumes: recursive generators\ndepends: flow-006\nacceptance: yes\ninstructions: |\n Implement as bindings, nested lexical scope, shadowing, keyword names, and value lifetime.\n Gate with the FUNC-001 executing selector.\nscope: target\n\n## story func-002\nsummary: Implement filter and value function parameters.\ntype: service\nkind: capability\nphase: 6\nimplements: FEATURE-Function-Parameters.md\ncovers: FUNC-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: filter parameters, value parameters, multiple arities, Cartesian arguments\nconsumes: lexical variable bindings\ndepends: func-001\nacceptance: yes\ninstructions: |\n Implement user-defined filter and value parameters, multiple arities, closures, callback\n evaluation, and Cartesian argument streams. Gate with the FUNC-002 executing selector.\nscope: target\n\n## story func-003\nsummary: Implement function definitions, scope, and recursion.\ntype: service\nkind: capability\nphase: 6\nimplements: FEATURE-Function-Definitions.md\ncovers: FUNC-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: def, function redefinition, recursion, forward and self references\nconsumes: function parameters\ndepends: func-002\nacceptance: yes\ninstructions: |\n Implement definitions, lexical function scope, arity-specific redefinition, recursion, and\n self/forward references as specified. Gate with the FUNC-003 executing selector.\nscope: target\n\n## story func-004\nsummary: Implement destructuring patterns and alternatives.\ntype: service\nkind: capability\nphase: 6\nimplements: FEATURE-Destructuring.md\ncovers: FUNC-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/parser.y, sources/jq-manual.txt, sources/jq.test\nprovides: array/object patterns, missing bindings, ?// alternatives\nconsumes: function definitions and lexical bindings\ndepends: func-003\nacceptance: yes\ninstructions: |\n Implement array/object destructuring, missing bindings, ?// alternatives, fallback binding\n behavior, and error-driven alternative selection. Gate with the FUNC-004 executing selector.\nscope: target\n\n## story path-001\nsummary: Implement path discovery and projection.\ntype: service\nkind: capability\nphase: 7\nimplements: FEATURE-Path-Discovery.md\ncovers: PATH-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: path, paths, pick, path projections\nconsumes: destructuring and accessors\ndepends: func-004\nacceptance: yes\ninstructions: |\n Implement exact and iterated path discovery, paths filtering, and pick projections while\n preserving path ordering and invalid-path errors. Gate with the PATH-001 executing selector.\nscope: target\n\n## story path-002\nsummary: Implement path access and mutation primitives.\ntype: service\nkind: capability\nphase: 7\nimplements: FEATURE-Path-Primitives.md\ncovers: PATH-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: getpath, setpath, delpaths\nconsumes: path discovery and projection\ndepends: path-001\nacceptance: yes\ninstructions: |\n Implement nested path reads, creation and replacement, deletion, array expansion, invalid path\n handling, and depth limits for getpath, setpath, and delpaths. Gate with PATH-002.\nscope: target\n\n## story path-003\nsummary: Implement deletion and assignment operators.\ntype: service\nkind: capability\nphase: 7\nimplements: FEATURE-Assignment-Operators.md\ncovers: PATH-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: del, =, |=, arithmetic assignments, defined-or assignment\nconsumes: getpath, setpath, delpaths\ndepends: path-002\nacceptance: yes\ninstructions: |\n Implement immutable deletion, plain and update assignment, arithmetic assignment, multi-path\n updates, and empty-update deletion semantics. Gate with the PATH-003 executing selector.\nscope: target\n\n## story path-004\nsummary: Implement complex assignment edge cases.\ntype: service\nkind: capability\nphase: 7\nimplements: FEATURE-Complex-Assignments.md\ncovers: PATH-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: iterated assignment edge cases, array expansion, invalid and deep paths\nconsumes: deletion and assignment operators\ndepends: path-003\nacceptance: yes\ninstructions: |\n Handle iterated paths, empty updates, array expansion, invalid paths, negative and NaN indices,\n and path/depth limits. Gate with the PATH-004 executing selector.\nscope: target\n\n## story data-001\nsummary: Implement collection transformation builtins.\ntype: service\nkind: capability\nphase: 8\nimplements: FEATURE-Collection-Transforms.md\ncovers: DATA-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/builtin.jq, sources/jq-manual.txt, sources/jq.test\nprovides: map, map_values, select, add, flatten, transpose, combinations, walk\nconsumes: assignment operators, generator evaluation\ndepends: path-004\nacceptance: yes\ninstructions: |\n Implement collection transformation builtins and their generator, empty, recursion, and\n mutation semantics. Gate with the DATA-001 executing selector.\nscope: target\n\n## story data-002\nsummary: Implement sorting, grouping, and extrema builtins.\ntype: service\nkind: capability\nphase: 8\nimplements: FEATURE-Sorting-and-Grouping.md\ncovers: DATA-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: sort, sort_by, group_by, unique, unique_by, min, max, keyed extrema\nconsumes: jq comparison and generator semantics\ndepends: data-001\nacceptance: yes\ninstructions: |\n Implement sorting and grouping by jq ordering, stable keyed projections, uniqueness, and\n minimum/maximum variants. Gate with the DATA-002 executing selector.\nscope: target\n\n## story data-003\nsummary: Implement object-entry and containment builtins.\ntype: service\nkind: capability\nphase: 8\nimplements: FEATURE-Object-and-Containment-Builtins.md\ncovers: DATA-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: keys, keys_unsorted, has, in, inside, contains, to_entries, from_entries, with_entries\nconsumes: jq value model and comparison semantics\ndepends: data-002\nacceptance: yes\ninstructions: |\n Implement object/array key utilities, containment relations, entry conversion, and entry\n transformations with jq ordering and structural equality. Gate with DATA-003.\nscope: target\n\n## story data-004\nsummary: Implement index and membership utilities.\ntype: service\nkind: capability\nphase: 8\nimplements: FEATURE-Index-and-Membership.md\ncovers: DATA-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/builtin.jq, sources/jq-manual.txt, sources/jq.test\nprovides: indices, index, rindex, bsearch, all, any, isempty, IN\nconsumes: collection and comparison builtins\ndepends: data-003\nacceptance: yes\ninstructions: |\n Implement string/array indexing, binary search, all/any short-circuiting, isempty, and SQL-style\n IN utilities with generator arguments. Gate with the DATA-004 executing selector.\nscope: target\n\n## story text-001\nsummary: Implement string manipulation builtins.\ntype: service\nkind: capability\nphase: 9\nimplements: FEATURE-String-Builtins.md\ncovers: TEXT-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: trimming, prefixes, suffixes, case conversion, explode, implode, split, join\nconsumes: jq value model and generator evaluation\ndepends: data-004\nacceptance: yes\ninstructions: |\n Implement trimming, prefix/suffix operations, ASCII case conversion, codepoint\n explode/implode, split, join, and interpolation-compatible string behavior. Gate with TEXT-001.\nscope: target\n\n## story text-002\nsummary: Implement JSON and output format filters.\ntype: service\nkind: capability\nphase: 9\nimplements: FEATURE-Output-Formats.md\ncovers: TEXT-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: tostring, tojson, fromjson, @text, @json, @html, @uri, @urid, @csv, @tsv, @sh, @base64, @base64d\nconsumes: string manipulation builtins and JSON serializer\ndepends: text-001\nacceptance: yes\ninstructions: |\n Implement JSON conversion and all required format filters, escaping, encoding, decoding, and\n interpolation behavior. Gate with the TEXT-002 executing selector.\nscope: target\n\n## story text-003\nsummary: Implement regular-expression filters.\ntype: service\nkind: capability\nphase: 9\nimplements: FEATURE-Regular-Expressions.md\ncovers: TEXT-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: test, match, capture, scan, splits, regex split, sub, gsub\nconsumes: string manipulation builtins\ndepends: text-002\nacceptance: yes\ninstructions: |\n Implement the standard-library regex surface required by the corpus, flags, captures, offsets,\n streams, splitting, substitution, and global substitution. Gate with TEXT-003.\nscope: target\n\n## story text-004\nsummary: Implement date and time filters.\ntype: service\nkind: capability\nphase: 9\nimplements: FEATURE-Date-and-Time.md\ncovers: TEXT-004\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: fromdateiso8601, todateiso8601, strptime, strftime, gmtime, localtime, mktime\nconsumes: jq string and numeric values\ndepends: text-003\nacceptance: yes\ninstructions: |\n Implement UTC ISO date conversion and required low-level date/time filters using the Python\n standard library, including supplied invalid-input behavior. Gate with TEXT-004.\nscope: target\n\n## story io-001\nsummary: Implement input stream controls.\ntype: service\nkind: capability\nphase: 10\nimplements: FEATURE-Input-Streams.md\ncovers: IO-001\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/jq.test\nprovides: input, inputs, input_filename, input_line_number\nconsumes: executable JSON input boundary\ndepends: text-004\nacceptance: yes\ninstructions: |\n Implement input and inputs over the fixed stdin interface and the available filename and line\n number metadata. Gate with the IO-001 executing selector.\nscope: target\n\n## story io-002\nsummary: Implement diagnostics and stderr output filters.\ntype: service\nkind: capability\nphase: 10\nimplements: FEATURE-Diagnostics.md\ncovers: IO-002\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: debug, stderr, halt_error\nconsumes: process exit and diagnostic behavior\ndepends: io-001\nacceptance: yes\ninstructions: |\n Implement debug, stderr, and halt_error channel behavior, preserving stdout values and exit\n status semantics. Gate with the IO-002 executing selector.\nscope: target\n\n## story io-003\nsummary: Implement streaming transformations.\ntype: service\nkind: capability\nphase: 10\nimplements: FEATURE-Streaming.md\ncovers: IO-003\nstack: common.md, python.md\ncontext: ARCHITECTURE.md, sources/jq-manual.txt, sources/builtin.jq, sources/jq.test\nprovides: tostream, fromstream, truncate_stream\nconsumes: generator evaluation and input stream controls\ndepends: io-002\nacceptance: yes\ninstructions: |\n Implement jq streaming value representations, truncation, reconstruction, and round-trip\n behavior required by the corpus. Gate with the IO-003 executing selector.\nscope: target\n\n## story conf-001\nsummary: Stage and validate immutable conformance assets.\ntype: foundational\nkind: test harness\nphase: 1\nimplements: FEATURE-Conformance-Assets.md\ncovers: CONF-001\nstack: common.md, python.md\ncontext: sources/run_conformance.py, sources/jq.test, sources/exclusions.txt, sources/full_test.sh, sources/jq-manual.txt, sources/parser.y, sources/lexer.l, sources/builtin.jq\nprovides: staged conformance corpus, exclusions, runner, scoring script\nconsumes: none\ndepends: architecture\nacceptance: yes\ninstructions: |\n Stage all required sources verbatim under sources/. Validate the runner's corpus parser and\n exclusion application directly in Python, including complete and mutually consistent assets.\n Do not modify any supplied source.\nscope: both\n\n## story conf-002\nsummary: Provide scoped conformance verification for implementation slices.\ntype: service\nkind: test harness\nphase: 10\nimplements: FEATURE-Scoped-Conformance.md\ncovers: CONF-002\nstack: common.md, python.md\ncontext: sources/run_conformance.py, sources/jq.test, sources/exclusions.txt\nprovides: executing scoped conformance gates\nconsumes: ./jq -c program execution\ndepends: io-003, conf-001\nacceptance: yes\ninstructions: |\n Ensure each implementation story invokes the supplied runner with JQ supplied through the\n inherited environment and a selector that executes a non-empty slice of its owned constructs.\n Scoped checks must assert parsed failure/error tallies and exit status, never enumerate-only modes.\nscope: target\n\n## story conf-003\nsummary: Pass the complete jq conformance corpus.\ntype: feature\nkind: test harness\nphase: 11\nimplements: FEATURE-Complete-Conformance.md\ncovers: CONF-003\naccepts: st-001\nstack: common.md, python.md\ncontext: sources/full_test.sh, sources/run_conformance.py, sources/jq.test, sources/exclusions.txt\nprovides: complete conformance release verification\nconsumes: ./jq -c program execution\ndepends: architecture, exec-001, exec-002, exec-003, parse-001, parse-002, parse-003, parse-004, core-001, core-002, core-003, core-004, value-001, value-002, value-003, value-004, flow-001, flow-002, flow-003, flow-004, flow-005, flow-006, func-001, func-002, func-003, func-004, path-001, path-002, path-003, path-004, data-001, data-002, data-003, data-004, text-001, text-002, text-003, text-004, io-001, io-002, io-003, conf-001, conf-002\nacceptance: yes\ninstructions: |\n Run the supplied sh sources/full_test.sh as the sole terminal whole-corpus acceptance. Print\n captured stdout and stderr for diagnosis and assert only the completed suite's successful exit\n status, with zero failed or errored cases as reported by the authoritative runner.\nscope: target\n\n=== END ARTIFACT ===\n=== BEGIN ARTIFACT DECISIONS.json ===\n[\n {\n \"id\": \"Q-001\",\n \"type\": \"choice\",\n \"severity\": \"material\",\n \"blueprint\": \"ARCHITECTURE.md\",\n \"story\": \"architecture\",\n \"title\": \"Interpreter implementation structure\",\n \"description\": \"The project needs a standalone jq interpreter while the sources leave the internal module structure open.\",\n \"options\": [\n {\n \"value\": \"single-executable\",\n \"label\": \"Single executable script\"\n },\n {\n \"value\": \"modular-python\",\n \"label\": \"Modular Python implementation\"\n }\n ],\n \"system_choice\": \"modular-python\"\n },\n {\n \"id\": \"Q-002\",\n \"type\": \"choice\",\n \"severity\": \"material\",\n \"blueprint\": \"ARCHITECTURE.md\",\n \"story\": \"architecture\",\n \"title\": \"Numeric representation\",\n \"description\": \"The corpus requires jq-compatible numeric behavior, including special values and large literals, while runtime dependencies are restricted to the standard library.\",\n \"options\": [\n {\n \"value\": \"float-only\",\n \"label\": \"Native floating point\"\n },\n {\n \"value\": \"literal-aware-standard-library\",\n \"label\": \"Literal-aware numeric model\"\n }\n ],\n \"system_choice\": \"literal-aware-standard-library\"\n }\n]\n=== END ARTIFACT ==="}}
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