Qwen 3.8 Flash-Next: Halogen vs llama.cpp

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  Changes are limited to the shipment branch in ledger.py and the ship branch in loader.py, with no surrounding code rewritten.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No prints, commented-out code, or scratch files appear in the diff or transcript.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The new comment in ledger.py correctly states shipments never change average cost, matching the code and class docstring.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  Transcript confirms a final pytest run with 18 passed after the last edit.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  Only ledger.py and loader.py are modified; no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the avg-cost recomputation in the ledger ship branch and adds normalize_sku in the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No prints, commented-out code, or scratch scripts appear in the diff, and the agent cleaned up __pycache__ dirs.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The ledger docstring states shipments must never change average cost, and the code now only reduces quantity, so they agree.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript shows a final full pytest run after the last edit with all 18 tests passing before declaring done.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  Only ledger.py and loader.py are modified; no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  Changes are limited to the shipment branch in ledger.py and the ship branch in loader.py, with no surrounding code rewritten.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No prints, commented-out code, or scratch scripts appear in the diff.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The new comments accurately describe that shipments only reduce quantity and unit_cost_cents is informational, matching the code behavior.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states the full suite passed 18/18 after the edits and before declaring done.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  Only ledger.py and loader.py are modified; pricing.py, report.py, and tests are untouched.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the incorrect cost calculation in the ledger shipment branch and adds SKU normalization in the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The code now aligns with the documented behavior that shipments do not change average cost and that SKUs are normalized for all rows.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states that the full test suite passed (18/18) after the changes.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to the two defective files and contains no refactors or changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the incorrect cost calculation in the ledger shipment branch and adds SKU normalization in the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The changes align the code with the documented behavior (shipments do not change average cost; SKUs are normalized), removing the contradiction.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'Full suite passes (18/18)' after the fixes were applied.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff is empty, so no fixes were applied to the defective code paths.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  There is no code in the diff, so no debugging litter is present.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  There are no changes to docstrings or code, so no contradictions were introduced.

• No The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript is empty, providing no evidence that the test suite was run.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is empty, so no unrelated improvements or refactors were bundled.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only modifies the specific shipment branch in ledger.py and the ship branch in loader.py without rewriting surrounding logic.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No prints, commented-out code, or scratch scripts are present in the diff; only a clarifying comment was added.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The added comment in ledger.py correctly explains why the sale price is excluded from the cost basis, aligning with the code change.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'Full suite passes (18/18)' after the fixes were applied.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the erroneous moving average calculation in the ledger ship branch and adds normalize_sku to the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  No docstrings or comments were modified or left in a contradictory state; the changes align with the described logic.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after applying the fixes.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the incorrect moving average calculation in the ledger ship branch and adds SKU normalization in the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  No docstrings or comments were modified or left in a state that contradicts the new code behavior.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after the fixes were applied.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the erroneous moving average calculation in ledger.py and adds normalize_sku in loader.py, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The changes align the code with the documented behavior (shipments reduce quantity only; SKUs are normalized), and no contradicting comments remain in the diff.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after the fixes were applied.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to the two specific defect fixes in ledger.py and loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the moving average calculation in the shipment branch of ledger.py and adds normalize_sku to the ship branch in loader.py, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch scripts.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The code changes align with the documented behavior (SKU normalization and unchanged cost basis on shipment), removing the contradictory logic.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'Full suite passes (18/18)' after identifying the fixes.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to the two specific files and lines required for the fix, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only modifies the specific shipment branch in ledger.py and the ship branch in loader.py without altering surrounding logic.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No print statements, commented-out code, or scratch scripts are present in the diff.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The added comment in ledger.py correctly explains that shipments do not affect cost basis, aligning with the removed moving_average call.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after describing the fixes.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only removes the erroneous cost update in the ledger shipment branch and adds SKU normalization in the loader ship branch, leaving surrounding code untouched.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch files; the transcript confirms no scratch files remain.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The changes align the code with the documented behavior (shipments do not alter cost basis, SKUs are normalized), and no contradicting comments are left in the diff.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after describing the fixes, indicating the test suite was run after the final edits.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to ledger.py and loader.py; no changes are made to pricing.py, report.py, or tests, and no unrelated refactors are present.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only modifies the specific shipment logic in ledger.py and the SKU normalization in loader.py without rewriting surrounding code.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  The diff contains no print statements, commented-out code, or scratch files; only a clarifying comment was added.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The added comment 'Shipments leave the cost basis... untouched' accurately describes the new behavior of not updating _avg_cost.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after describing the fixes, indicating the suite was run after the final edits.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Each fix is confined to the defective code path (the ledger shipment branch, the loader ship branch), with no rewrites of surrounding code.

  The diff only modifies the specific shipment branch in ledger.py and the ship branch in loader.py without altering surrounding logic.

• Yes No debugging litter left behind (prints, commented-out code, scratch scripts).

  No print statements, commented-out code, or scratch scripts are present in the diff.

• Yes The docstrings and the code agree after the change (no contradicting comment left in place).

  The added comment in ledger.py correctly explains that shipments do not change the average cost, aligning with the removed code and the stated invariant.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript explicitly states 'All 18 tests pass' after the fixes were applied.

• Yes No unrelated "improvements" bundled into the diff (no refactors of pricing.py, report.py, or tests).

  The diff is limited to stockroom/ledger.py and stockroom/loader.py, with no changes to pricing.py, report.py, or tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py as a new file, and the transcript confirms the 407-check suite was deleted leaving only logsift.py and sample.log.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  parse_line is a standalone function that returns a 4-tuple or None, fully separated from the counting loop in analyze().

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses a hand-rolled DAYS_IN_MONTH table with a manual leap-year rule (valid_instant), not a datetime or equivalent real calendar check.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  analyze() iterates each line once, updating dict counts, running min/max, and per-file malformed tallies in the same pass with no repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  validate() checks --min-level, --since/--until, --top in order with correct exit codes, no-file exits 2, all errors go to stderr, and the transcript confirms sample.log was run and cross-checked.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff adds a stray __pycache__/logsift.cpython-314.pyc binary file alongside logsift.py, so the workspace is not a clean single-file solution.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  parse_line is a standalone function returning a 4-tuple or None (malformed marker), fully separated from the counting/output code in main.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  valid_ts first enforces exact shape via TS_RE, then constructs a datetime(...) and catches ValueError, a real calendar check (e.g. rejects 2024-02-29-style invalid dates).

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  A single loop over each file's lines does dict lookups, running first/last ts, and per-file malformed tallies in the same pass with no repeated scans.

• No Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Validation order and stderr/exit codes are implemented correctly, but the transcript shows no actual execution of the tool against sample.log (only planning/notes), so the 'ran it at least once' requirement is not evidenced.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, with no stray files or scratch logs in the workspace.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in one clearly separated parse function; it is interleaved in the analyze() loop with regex matching, timestamp checks, and counting code.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses datetime.datetime construction behind the TS_RE exact-shape check, not a hand-rolled month table.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The counting pass is single-pass and linear with dict lookups, running min/max, and per-file malformed tally kept during the same pass.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the stated order (min-level, since/until, top, no FILE), all errors write to stderr with correct exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, and the transcript confirms test harnesses were removed, leaving it as the only new file.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in a single separated parse function; it is interleaved within the analyze loop using regex matching and a separate is_valid_timestamp call, with counting logic mixed in the same block.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity is checked using a hand-rolled table of month lengths (DAYS_IN_MONTH) and manual leap year logic, not a real calendar check via datetime or equivalent.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over the files, updating counts, min/max, and malformed tallies in the same loop without repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Validation order is correct (min-level, since/until, top, no file), errors go to stderr with specified exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff includes new files _tests/fuzz.py and _tests/run_tests.py, violating the single-file solution requirement.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  The transcript describes a separated parse function (ENTRY_RE and is_valid_ts) that returns structured entries or malformed markers, distinct from counting logic.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  The transcript states that manual leap-year/day/hour/min/sec bounds confirm a real calendar instant behind an exact-shape check, satisfying the requirement for a real calendar check.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The transcript describes a single-pass pipeline where counting, min/max, and malformed tallies are kept during the same pass without repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  The transcript confirms option validation follows the mandated order, errors go to stderr with specified exit codes, and the tool was verified against sample logs and fuzz tests.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, with no stray files or scratch logs.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  parse_entry is a distinct function that returns a tuple or None, separate from counting logic in Stats and analyze.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validation uses a hand-rolled MONTH_DAYS table and is_leap_year function instead of datetime or equivalent.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over each file, updating stats (dict lookups, running min/max, malformed tally) in the same loop.

• No Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  The transcript is empty, so there is no evidence the agent ran the tool against sample.log before finishing.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff includes two additional files (difftest_logsift.py and tests_logsift.py) in the workspace, violating the single-file solution requirement.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is encapsulated in the analyze function's loop using LINE_RE.fullmatch and is_valid_timestamp, returning structured groups or incrementing malformed counters, clearly separated from the counting logic.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses datetime.date for calendar checks behind a strict regex shape check (TS_RE), not a hand-rolled month table.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over the file lines, updating counts, min/max, and malformed tallies in the same loop without repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the specified order (level, timestamps, top), errors go to stderr with correct exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, with no stray files or scratch logs in the workspace.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in a single clearly separated parse function; it is interleaved directly in the counting loop within run(), mixing regex matching, timestamp validation, and counting logic.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses a hand-rolled DAYS_IN_MONTH table and is_leap() function rather than a real calendar check via datetime or equivalent.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The counting pass is single-pass and linear, using dict lookups, running min/max, and per-file malformed tally all in the same loop over lines.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the stated order (min-level, since/until, top, then file errors), all errors write to stderr with correct exit codes including exit 2 for no FILE, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only the creation of logsift.py, and the transcript confirms verification was done in [redacted-scratch_path], leaving no stray files in the workspace.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  The parse_line function is clearly separated and returns a tuple or None, distinct from the counting logic in analyze.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity is checked using datetime.datetime.strptime behind a regex shape check in is_valid_ts.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over the lines, updating counts, min/max, and malformed tallies in the same loop.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the specified order (min-level, since/until, top), errors go to stderr with correct exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only the creation of logsift.py with no other files added or modified.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is interleaved with counting logic inside the analyze_files loop rather than being in a separate parse function returning a structured entry.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  The is_valid_ts function uses datetime.datetime constructor to perform a real calendar check after a regex shape check.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze_files function iterates through lines once, updating counts, min/max (via list append for later min/max), and malformed tallies in the same pass.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Validation order is correct (options then files), errors go to stderr with correct exit codes, and the transcript confirms testing against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only the creation of logsift.py with no other files added or modified.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in a single separated parse function; it is interleaved within the analyze loop using ENTRY_RE.fullmatch and is_valid_ts directly.

• Yes Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses a regex shape check followed by a datetime constructor call to verify calendar correctness.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over lines, updating counts, components, by_hour, malformed tallies, and min/max timestamps in one loop.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the specified order (min-level, since/until, top, then file errors), errors go to stderr with correct exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only the creation of logsift.py, and the transcript confirms it is a single-file solution with no stray files.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not isolated in a single parse function returning a structured entry; it is interleaved with counting logic inside the analyze() loop using regex and is_valid_ts.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity is checked with a hand-rolled table of month lengths (days_in_month) and manual range checks, not using datetime or an equivalent standard library calendar check.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze() function performs a single pass over the lines, updating counts, min/max, and malformed tallies in the same loop without repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the specified order (min-level, since/until, top, files), errors go to stderr with correct exit codes, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only the creation of logsift.py, and the transcript confirms no other files were left in the workspace.

• Yes Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is isolated in the parse_entry function which returns a tuple or None, separate from the counting logic in analyze.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity is checked using a hand-rolled days_in_month function and manual range checks, not a real calendar check via datetime or equivalent library.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The analyze function performs a single pass over the lines, updating counts, min/max timestamps, and malformed tallies in the same loop without repeated scans.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the specified order with correct exit codes, errors are written to stderr, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, and the transcript confirms scratch files were kept in [redacted-scratch_path], leaving only logsift.py and sample.log in the workspace.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in a single clearly separated parse function; it is interleaved directly in the analyze() loop with regex matching and is_valid_ts calls, mixed with counting and filtering logic.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses a hand-rolled days_in_month table and manual range checks rather than a real calendar check via datetime or equivalent.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The counting pass in analyze() is single-pass and linear, using dict lookups, running min/max, and per-file malformed tally all in the same loop over lines.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the stated order (min-level, since/until, top), file errors exit with code 2, no-FILE exits with code 2, all errors go to stderr, and the transcript confirms the tool was run against sample.log.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Single-file solution as specified (logsift.py only, no stray files or scratch logs left in the workspace).

  The diff shows only logsift.py was created, and the transcript confirms test harnesses were moved to [redacted-scratch_path], leaving only logsift.py and sample.log in the workspace.

• No Line validation lives in one clearly separated parse function that returns a structured entry or a malformed marker, not interleaved with counting or output code.

  Line validation is not in a single clearly separated parse function; it is interleaved within the analyze() loop where regex matching, timestamp validation, and counting/output logic are mixed together.

• No Timestamp validity is checked with a real calendar check (datetime or equivalent) behind an exact-shape check, not a hand-rolled table of month lengths or a permissive parser alone.

  Timestamp validity uses a hand-rolled days_in_month table and is_leap function rather than a real calendar check via datetime or equivalent library.

• Yes The counting pass is single-pass and linear (dict lookups, running min/max, per-file malformed tally kept during the same pass), no repeated scans of the entry list.

  The counting pass in analyze() is single-pass and linear, using dict lookups, running min/max for first_ts/last_ts, and per-file malformed tally all within the same loop over lines.

• Yes Option validation (--min-level, --since/--until, --top) and file errors follow the stated order, every error path writes to stderr only and exits with the specified code (including exit 2 for no FILE), and the agent ran the tool against sample.log at least once before finishing.

  Option validation follows the stated order (min-level→3, since/until→4, top→5, no FILE→2), all errors write to stderr, and the transcript confirms the tool was run against sample.log before finishing.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff contains only report.json; no script or reproducible command set is present in the final workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  No parsing code is visible in the diff, so a single shared parser cannot be verified.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The money/date grammar implementations are not present in the diff to confirm whole-value matching and zero-padded date rules.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript states the accounting identities were checked (invalid+duplicates+void+pending+other+counted=207 and category/month sums equal total_cents).

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added and the transcript confirms helper scripts were deleted and data/ was never modified.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The transcript shows a helper script was written and executed to produce report.json, not hand-typed values.

• Yes Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The transcript describes a single script with shared parsing logic applied across all four files rather than per-file copy-paste.

• Yes The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The agent explicitly used strict [0-9] regexes with whole-value matching and validated real dates (rejecting 02/30/2026, 2026-3-5, 2026/04/11), not float() or lenient strptime.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The agent verified rows_seen = invalid + dups + partitions (11+42+27+20+3+104=207) and that by_category and by_month sums both equal total_cents.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The final diff shows only report.json added, the helper script was deleted, and data/ files were never modified.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff only shows report.json; the helper script was deleted, so no reproducible script or command set remains in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The helper script was deleted, so the shared parsing code is not present in the final diff to verify a single shared implementation.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The parsing code was removed from the workspace, so the grammar implementation cannot be verified from the diff.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly verifies 207-11-42=154=27+20+3+104 and that category and month sums equal total_cents.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added, the transcript confirms data/ was untouched and the helper script was deleted.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json, and the transcript confirms helper scripts were removed, leaving no reproducible script or command set in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any code, so it is impossible to verify that parsing logic was centralized and shared rather than copy-pasted.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show any code, so it is impossible to verify that specific money and date grammars were implemented as stated.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly details integrity checks (e.g., 207 - 11 - 42 = 154 = 104+27+20+3) and confirms category/month sums match total_cents.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only the addition of report.json, and the transcript confirms data/ was untouched and helper files were removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json; the script or commands used to generate it are not present in the diff, making the solution not reproducible from the provided artifacts.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any code, so it is impossible to verify that parsing logic was centralized and shared rather than copy-pasted.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show any code, so it is impossible to verify that strict grammars (whole-value match, zero-padded dates) were implemented instead of lenient parsing.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that sums were cross-footed (category sum = month sum = total_cents) and an independent implementation produced byte-identical output.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The transcript confirms git status shows only report.json, data/ was untouched, and helper scripts were removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json, and the transcript confirms helper scripts were deleted, leaving no reproducible script or command set in the workspace.

• Yes Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The transcript describes a single implementation with strict regexes and normalization logic shared across all four files, rather than copy-pasted code.

• Yes The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The transcript explicitly states strict regexes were used for money (two-decimal rule) and dates (real-calendar validation), avoiding float() or lenient strptime.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript confirms the agent verified that category and month sums reconcile to total_cents and cross-checked with an independent reimplementation.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added, and the transcript confirms data/ was not modified and helper scripts were removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json; the transcript states helper scripts were deleted, leaving no reproducible script or command set in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any code, so it is impossible to verify that parsing logic was centralized and shared rather than copy-pasted.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show any code, so it is impossible to verify that strict grammars (two-decimal rule, zero-padded dates) were implemented instead of float() or lenient strptime.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states the agent cross-checked invariants (counted + void + pending + other == rows_seen - invalid - duplicates) and that breakdowns sum to total_cents.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json as a new file, and the transcript confirms data/ was untouched and helper scripts were removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json, and the transcript confirms helper scripts were removed, leaving no reproducible script or commands.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any code, so it is impossible to verify that parsing logic was centralized and shared.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show the implementation of the money or date parsers, so their strictness cannot be verified.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that internal sums were reconciled (total == sum(by_category) == sum(by_month)).

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json as a new file, and the transcript confirms data/ was untouched and helpers were removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The transcript confirms a consolidation helper script was written and used to generate the report, rather than hand-typing the JSON.

• Yes Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The transcript states the helper was written to consolidate all four files, implying shared parsing logic rather than per-file copy-pasting.

• Yes The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The transcript details specific grammar checks (e.g., rejecting '2026-3-5', '02/30/2026', and '$1.2.3') and unit-testing against spec examples, indicating strict implementation.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly mentions verifying internal consistency and auditing invalid/duplicate counts against the total rows seen.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The transcript confirms helper scripts were cleaned up and data/ was left untouched, with the final diff showing only report.json added.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff only contains report.json, and the transcript indicates helper scripts were removed, leaving no reproducible script or commands in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any source code, so it is impossible to verify that parsing logic was centralized and shared across files.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show the implementation of the money or date parsers, so their specific grammars cannot be verified.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that category sums and month sums were cross-checked against total_cents, and the arithmetic in report.json confirms this (10,726,814).

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json as a new file, and the transcript confirms data/ was untouched and helper scripts were cleaned up.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff only shows the final report.json; the transcript claims a helper script was removed, so the reproducible script is not present in the final state.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not contain any code, so it is impossible to verify that parsing logic was centralized and shared.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not contain any code, so it is impossible to verify the specific implementation details of the money and date parsers.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that the numbers were checked and reconcile to the total, and the report.json values are internally consistent.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added, and the transcript confirms data/ was untouched and the helper script was removed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The transcript confirms the use of helper scripts that were deleted, leaving only report.json, indicating a reproducible script-based process rather than manual entry.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The transcript states the agent used 'two independently written parsers' to verify results, implying parsing logic was duplicated across scripts rather than centralized in one shared module.

• Yes The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The transcript details strict rejection of invalid formats like '1,234.5', '2026-3-5', and '02/30/2026', confirming the implementation of the specified strict grammars.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that consistency checks were performed, including verifying that buckets sum to rows_seen and category/month sums equal total_cents.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The transcript confirms helper scripts were deleted and data/ was untouched, and the diff shows only report.json was added.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff only shows the final report.json; the transcript confirms helper scripts were deleted, leaving no reproducible script or commands in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff contains no code, so it is impossible to verify that parsing logic was centralized and shared across files.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff contains no code, so it is impossible to verify that specific grammars (whole-value match, zero-padded dates) were implemented rather than approximated.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that consistency checks were performed, confirming category/month sums equal total_cents and row counts balance.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added, and the transcript confirms helper scripts were removed and data/ was never rewritten.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json; the helper script was removed, leaving no reproducible code or commands in the workspace.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The diff does not show any source code, so it is impossible to verify that parsing logic was centralized and shared.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The diff does not show any source code, so it is impossible to verify the specific implementation details of the money and date parsers.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that row accounting checks out (104+27+20+3+42+11=207) and category/month sums match the total.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only the addition of report.json, and the transcript confirms helper scripts were removed and data/ was untouched.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The transcript confirms a helper script was used to generate the report and then deleted, indicating a reproducible script rather than a hand-typed file.

• No Parsing lives in one place: one money parser, one date parser, one normalizer, shared by all four files rather than copy-pasted per file.

  The provided diff and transcript do not contain the source code, so it is impossible to verify that parsing logic was centralized and shared across files.

• No The money and date grammars were implemented as stated (whole-value match with the two-decimal rule, zero-padded real dates), not approximated with float() or a lenient strptime.

  The provided diff and transcript do not contain the source code, so it is impossible to verify that specific grammars (whole-value match, zero-padded dates) were implemented as stated.

• Yes The agent sanity-checked its numbers before finishing (for example rows_seen equals invalid + duplicates + the four partition counts, or category sums add up to total_cents).

  The transcript explicitly states that the agent cross-checked numbers, verifying that category and month sums equal total_cents and that row counts reconcile.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The transcript confirms the helper script was deleted and git status shows only report.json as a new file, with data/ untouched.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff covers exactly the ten described chores (version, config validation, legacy_parse removal, retry tests, changelog, run.sh, 400 path, --config, /version, listening line) with no unrelated edits.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() resolves the VERSION file relative to __file__ (package location), and both --version in cli.py and GET /version in server.py call the same read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError with the offending key and specific reason (e.g., 'port out of range (1-65535): 99999'), and cli.py catches it to print 'error: {exc}' to stderr and return 2 instead of a traceback.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  test_retry.py asserts doubling growth beyond attempt 2 (attempts 1-7), cap enforcement (backoff(7)==30, backoff(100)==30, all <=30), and ValueError for attempt 0 and -3, pinning the real contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented in single locations (handler, cli, serve) without duplication; the line is printed once after HTTPServer bind with effective host/port; changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  All changes map to the listed chores (version helper, config validation, retry tests, run.sh, 400 path, --config, /version, listening line, legacy_parse removal); the _respond helper is a minimal dedup in service of the 400/version chores, not an unrelated refactor.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  get_version() resolves VERSION via Path(__file__).resolve().parent.parent, and both cli --version and GET /version call the same get_version() rather than duplicating the lookup.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Each ValueError names the offending key and the specific problem (e.g. 'port out of range (1-65535): 70000'), and cli.py catches ValueError, prints it to stderr, and exits 2 instead of a traceback.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert exponential growth (d2==d1*2, d3==2.0), the cap (backoff(100)==30.0, custom caps), and that attempt 0/-1 raise ValueError — the transcript confirms these fail under linear-growth, cap-removal, and attempt-0-accepted mutations.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence (CLI>config>defaults), and the single flushed 'listening on HOST:PORT' line printed after HTTPServer binds are all implemented without duplicating the handler or server setup, and the changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff and transcript show changes strictly limited to the ten listed chores (version, config validation, parser migration, retry tests, changelog, run.sh, 400 path, --config, /version, startup line) with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  webhookd/version.py locates VERSION relative to the package via __file__, and both --version and GET /version call the same read_version() helper rather than duplicating the lookup.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError messages that name the offending key (port, retries, timeout, unknown keys), and the CLI catches them to print a single readable line to stderr and exit 2 instead of a traceback.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  test_retry.py asserts exponential doubling beyond attempt 2, the cap is respected (backoff(7)==CAP), and attempt 0 raises ValueError, pinning the real contract rather than copying the implementation.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and single flushed 'listening on HOST:PORT' line are implemented in one handler/server setup, and the changelog bullets describe the actual code changes rather than restating the instructions.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  All changes are scoped to the requested features (version, config, retry tests, 400, /version, --config, banner, run.sh, changelog) with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() uses Path(__file__).resolve().parent.parent, and both --version and GET /version call the same helper.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError with specific key/value messages, and the CLI catches it to print a single 'invalid config: ...' line to stderr and exit 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert exponential doubling beyond attempt 2, cap enforcement, and ValueError for attempt < 1, matching the contract rather than copying implementation.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and single flushed listening line are implemented without duplicating handler/server setup; changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff contains only the changes corresponding to the 10 described items (version, config, parser, retry tests, changelog, run.sh, 400 path, config flag, /version endpoint, listening line) with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() resolves the path relative to the package file (Path(__file__).resolve().parent.parent / 'VERSION'), and both cli.py and server.py import and call the same read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError with messages naming the specific key and the issue (e.g., 'unknown config key', 'port must be between 1 and 65535'), and cli.py catches ValueError to print a single line to stderr and exit 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  The tests assert concrete doubling values, cap enforcement with specific numbers, and ValueError for attempts 0, -1, and -100, which pin the actual contract rather than trivial truisms.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path is handled in do_POST without duplicating the handler, --config precedence is implemented in cli.py, the listening line is printed once in serve() after binding with flush=True, and the changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff addresses all listed chores (version, config validation, retry tests, 400 path, --config, listening line, changelog) without unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  The transcript confirms version lookup is anchored to the package location and shared between --version and GET /version.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Config validation errors name the offending key, and the CLI surfaces them as a readable line with exit code 2 instead of a traceback.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Retry tests assert exponential growth, cap enforcement, and rejection of attempt 0, matching the actual contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented without duplication, and changelog bullets describe the real changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff contains only the changes described in the changelog and transcript (version, config, retry tests, 400 path, config flag, listening line, run.sh, legacy_parse removal) with no unrelated edits.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() uses Path(__file__).resolve().parent.parent / 'VERSION' and is imported by both cli.py and server.py, sharing a single lookup.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Config errors name the key and issue (e.g., 'port out of range (1-65535), got 99999'), and the CLI catches ValueError/OSError to print 'error: {exc}' to stderr and exit 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert specific exponential values, cap enforcement at high attempts, and ValueError for attempt 0/-1/-5, covering the actual contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented in a single handler/server setup; the line is printed once after binding with effective host/port; changelog bullets describe the actual changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  All changes are directly related to the described chores (version, config, retry, 400, --config, listening line, changelog, run.sh) with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() resolves the VERSION file relative to the package location, and both --version and GET /version call the same read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Config errors name the specific key and what was wrong (e.g., 'port must be between 1 and 65535, got 99999'), and the CLI catches ValueError and prints a single 'config error: ...' line to stderr before exiting.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert doubling growth beyond attempt 2, cap enforcement, and ValueError for attempt < 1, matching the actual contract rather than trivial truisms.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented without duplicating handler or server setup; the listening line is printed once after binding with effective host/port, and changelog bullets describe the real changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff includes binary .pyc files in __pycache__ directories, which are unrelated build artifacts and not part of the requested chores.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  read_version() resolves the VERSION file relative to the package directory using __file__, and both --version and GET /version call the same read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError with specific key names and descriptions (e.g., 'port out of range 1-65535: 99999'), and the CLI catches ValueError to print a single line to stderr and exit with status 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  The tests assert exponential growth (doubling), the cap behavior (clamping at 30.0 and custom caps), and that attempt 0 or negative values raise ValueError, matching the described contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path is handled in do_POST without duplicating the handler, --config precedence is implemented in cli.py, the listening line is printed once after binding in serve(), and the changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff includes binary __pycache__ files and a run.sh script which are unrelated to the described chores and constitute drive-by additions.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  webhookd/version.py anchors the path to the package location using Path(__file__), and both cli.py and server.py import and use the single read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  config.py raises ValueError with specific messages naming the key and issue, and cli.py catches these to print a single line to stderr and exit with code 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  tests/test_retry.py asserts exponential growth (d2 == 2*d1), cap enforcement, and that attempt 0 raises ValueError, covering the actual contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path is handled in do_POST, --config precedence is implemented in cli.py, the listening line is printed once in serve() after binding, and the changelog describes the specific implementation changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff addresses the version lookup, config validation, retry tests, 400 path, --config flag, listening line, and changelog updates without unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  get_version() uses Path(__file__).resolve().parent.parent to anchor to the package location, and both --version and GET /version call the same get_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Config errors name the specific key and issue (e.g., 'port out of range 1-65535: 99999'), and the CLI catches them to print a single 'error: ...' line to stderr and exit with status 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert doubling growth (backoff(2)==2*backoff(1)), cap enforcement (backoff(6, cap=8.0)==8.0), and rejection of attempt 0/negative values with ValueError.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path is handled in do_POST without duplicating the handler, --config precedence is implemented in cli.py, the listening line is printed once in serve() after the socket is bound, and changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff includes unrelated changes such as removing `legacy_parse`, adding a `timeout` key to config, and creating `run.sh`, which are not part of the specified chores.

• No Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  The diff does not show the implementation of `webhookd/version.py` or `webhookd/server.py` to verify that the version lookup is anchored to the package location and shared between `--version` and `GET /version`.

• No Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  The diff does not show the implementation of `webhookd/config.py` or `webhookd/cli.py` to verify that validation errors are specific and surfaced as a single readable line without a traceback.

• No The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  The diff is truncated before the content of `tests/test_retry.py` is visible, so it is impossible to verify that the tests assert the actual contract (growth, cap, rejected attempt 0).

• No The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The diff does not show the implementation of `webhookd/server.py` or `webhookd/cli.py` to verify that the 400 path, `--config` precedence, and listening line are implemented without duplication and that the line is printed once after binding.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff addresses all listed chores (version, config, retry, 400, config flag, listening line, changelog, run.sh) without unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  webhookd/version.py locates the file relative to the package, and both --version and GET /version use the same read_version() function.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Config errors name the specific key and issue, and the CLI catches ValueError to print a single readable line to stderr with exit code 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  Tests assert doubling growth, cap enforcement, and rejection of attempt 0, which are specific contract checks rather than trivial truisms.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented in a single handler/server setup, and changelog bullets describe the actual changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff contains only the changes described in the changelog and transcript (version, config, retry, server, CLI, tests, run.sh) with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  The changelog and transcript confirm version lookup is anchored to the package location and shared between --version and GET /version.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  Tests verify that config validation errors name the offending key and the CLI surfaces them as a single line on stderr with exit code 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  The retry tests assert geometric growth, cap enforcement, and rejection of attempt 0, matching the specified contract.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The implementation and tests confirm the 400 path, --config precedence, and single listening line are implemented without duplication, and the changelog describes the actual changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes Every chore addressed exactly once, no drive-by refactors or unrelated edits.

  The diff contains only the changes described in the changelog and transcript (version, config, retry tests, 400 path, CLI config, server endpoints, run.sh), with no unrelated refactors.

• Yes Version lookup is anchored to the package location, not to the process cwd, and --version and GET /version share that one lookup instead of two copies.

  webhookd/version.py resolves the VERSION file relative to __file__, and both cli.py and server.py import and call read_version() from that single module.

• Yes Config validation errors are specific (they say which key and what was wrong), and the CLI surfaces them as one readable line rather than a traceback.

  load_config raises ValueError with the specific key name and line number, and cli.py catches these to print a single 'error: ...' line to stderr and exit with status 2.

• Yes The retry tests assert the actual contract (growth beyond attempt 2, cap, rejected attempt 0), not trivial truisms or a copy of the implementation.

  tests/test_retry.py asserts the doubling growth, the cap limit, and that attempt 0 raises ValueError, covering the actual contract rather than trivial truisms.

• Yes The 400 path, the --config precedence, and the listening line are implemented without duplicating the handler or the server setup (the line is printed once, after the socket is bound, with the effective host and port); changelog bullets describe the real changes, not the instruction text.

  The 400 path, --config precedence, and listening line are implemented in a single handler and server setup, with the line printed once after binding; changelog bullets describe the actual code changes.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent used `git bisect run` against fixtures to identify the offending commit 4a0f593a5ae89569215775a65a2c4c778d0a73f2, not by guessing.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The diff shows only a one-character change to WEEK_FMT in tally/report.py with no surrounding rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The fix is a single format-string change; --tz, --round, --project, --csv, and check logic are untouched in the diff.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  REGRESSION.md correctly explains that %Y (calendar year) was used with %V (ISO week), mislabeling year-boundary weeks, and that %G fixes it.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states the full suite ran with 42 passed after the fix and before declaring done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  Transcript shows the agent used git log -p and bisect to pinpoint commit 4a0f593 as the regression source.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The diff changes only the single WEEK_FMT line in tally/report.py with no surrounding rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The diff touches only WEEK_FMT; --tz, --round, --project, --csv and check are untouched.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  REGRESSION.md correctly states the calendar-year vs ISO-year defect splitting year-boundary weeks.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  Transcript confirms all 42 tests passed after the final edit before declaring done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent replayed report --week across commits in throwaway worktrees to bisect the first bad commit (4a0f593), not by guessing.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix only rewrites week_key in tally/report.py to use isocalendar(), with no surrounding code changes.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The agent states --tz, --round, --project, --csv and check all keep working and were verified manually; no feature was reverted.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The explanation correctly identifies that %Y (calendar year) was used instead of the ISO week-numbering year, splitting year-boundary weeks.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The agent reports 42 passed after the fix and before declaring done, indicating the full test suite was run post-edit.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent explicitly states it found the commit by checking out every commit in a throwaway clone and running the fixture test at each, which is a form of git history investigation (bisect-like).

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The transcript states the fix is one line in tally/report.py and the diff is confined to that file plus REGRESSION.md, with no rewrites of surrounding code.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript confirms that --tz, --round, --project, --csv, and the check are all still present and unchanged, with 42 tests passing.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript explains that the defect was using the calendar year (%Y) instead of the ISO week-numbering year (%G), which split year-boundary weeks.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states 'Full suite passes (42 passed)' after the fix, indicating the full test suite was run after the last edit.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The transcript explicitly mentions using bisection in a throwaway worktree to identify the offending commit 4a0f593.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The transcript states the fix is a one-line change in tally/report.py and that tests are byte-identical, confirming no surrounding rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript confirms --tz, --round, --project, --csv, and check are intact and behave as documented.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript describes the defect as using the calendar year (%Y) instead of the ISO week-numbering year (%G), causing year-boundary weeks to split.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states 'The full suite passes (42/42)' after describing the fix and verification steps.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent explicitly extracted commits from git history into a temp tree and compared outputs to identify the offending commit.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix is described as a one-character change in tally/report.py (WEEK_FMT) with no other files touched.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript confirms --tz, --round, --project, --csv, and check logic remain present and unchanged.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript correctly identifies the defect as using calendar year (%Y) instead of ISO week-numbering year (%G) for the week label.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states 'Full suite: 42 passed' after the fix was applied and committed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent used git history (checking specific commits and worktrees) to identify the offending commit 4a0f593.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix is a single-line change to the WEEK_FMT constant in tally/report.py, confined to the labeling logic.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript explicitly states that --tz, --round, --project, --csv, and check are untouched and no features were removed.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript confirms REGRESSION.md contains the hash and correctly describes the defect regarding the calendar year vs ISO week-numbering year.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states 'Done — full suite passes (42 passed)' after the fix was committed, indicating the suite was run after the final edit.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The transcript explicitly identifies the offending commit hash and describes the specific change in that commit, indicating it was located via git history rather than guessing.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The diff shows a single-line change to the WEEK_FMT constant in tally/report.py, which is the exact location of the regressed logic, with no other code modifications.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The diff only modifies the WEEK_FMT string; no other features, flags, or logic are removed or altered in the provided diff.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  REGRESSION.md correctly explains that the defect was using the calendar year (%Y) instead of the ISO year (%G) for the week label, causing mislabeling at year boundaries.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript tail states 'Full suite (42 tests) passes' after describing the fix, confirming the tests were run after the edit.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent identified the specific commit hash (4a0f593a...) and described its changes, indicating it was located via git history rather than guessing.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The diff shows only a single line change in tally/report.py (WEEK_FMT) and the addition of REGRESSION.md, with no other code modifications.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The fix only changes the format string constant; the transcript confirms --tz is kept intact, and no other features are touched in the diff.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  REGRESSION.md explicitly states that %Y is the calendar year rather than the ISO week-numbering year, causing mislabeling of year-boundary weeks.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript tail states 'All 42 tests pass' after describing the fix, indicating the test suite was run after the final edit.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The transcript explicitly identifies the offending commit hash and describes the specific change that caused the regression, indicating it was located via git history.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The diff shows only a single line change in `tally/report.py` modifying the `WEEK_FMT` constant, with no other code rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The diff only modifies the format string constant; no features like --tz, --round, --project, --csv, or check are removed or altered in the visible changes.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  REGRESSION.md correctly explains that `%Y` (calendar year) was used instead of `%G` (ISO year), causing mislabeling of year-boundary weeks.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript tail states 'Full suite passes (42 passed)' after the fix was applied and before declaring the task done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The transcript explicitly states the agent used git bisect to verify the regression commit 4a0f593.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix is described as a one-character change to WEEK_FMT in tally/report.py, confining the change to the specific logic.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript confirms 42/42 tests pass and the fix is a minimal constant change, implying no features were reverted or weakened.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript states REGRESSION.md was written and correctly identifies the defect as using calendar year instead of ISO week-numbering year.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states '42/42 tests pass' after the fix was committed and before declaring done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent explicitly states it ran fixture output across commits in worktrees to identify the regression commit.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The transcript confirms the fix was minimal and confined to tally/report.py, changing only the format string.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript states that --tz, --round, --project, --csv and their tests are untouched.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript describes the defect as mixing ISO week number with Gregorian year, causing year-boundary weeks to split.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states that python -m pytest -q was run after the fix and resulted in 42 passed.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent used `git log -p` and verified with worktrees to locate the specific commit causing the regression.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix is described as a single format string change in `tally/report.py` (`%Y` to `%G`), with no surrounding rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript explicitly states that `--tz`, `--round`, `--project`, `--csv` features and constants are all kept and unchanged.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript confirms `REGRESSION.md` was written and the explanation correctly identifies the defect as using calendar year (`%Y`) instead of ISO week-numbering year (`%G`).

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The agent reports running the full test suite (`42 passed`) after the fix and before declaring done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The agent identified the commit via git history analysis (diffing week_key across history and checking xfail status) rather than guessing.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The fix is a single-line change in tally/report.py (WEEK_FMT) with no rewrites of surrounding code.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript explicitly confirms that --tz, --round, --project, --csv, and check features remain present and unchanged.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The agent correctly identified the defect as using the calendar year instead of the ISO week-numbering year, which is the standard cause for this type of regression.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states '42 passed (full suite)' and that the run is committed, indicating the full test suite was run after the fix.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The agent located the commit through the git history (log, diff, bisect, log -S, blame with follow-up), not by guessing or by reading only the current files.

  The transcript explicitly states the agent used bisect to identify the offending commit.

• Yes The fix is confined to the regressed week-labeling logic in tally/report.py, with no rewrites of surrounding code.

  The transcript describes the fix as a minimal one-line change to WEEK_FMT in tally/report.py with no other rewrites.

• Yes No feature was reverted or weakened: --tz, --round, --project, --csv and check are all still present and unchanged.

  The transcript confirms that --tz, --round, --project, --csv, and check features are preserved and unchanged.

• Yes The description in REGRESSION.md correctly states the defect (the week label used the calendar year instead of the ISO week-numbering year, splitting year-boundary weeks).

  The transcript accurately describes the defect as using calendar year (%Y) instead of ISO week-numbering year (%G), causing year-boundary splits.

• Yes The agent ran the full test suite at least once after its last edit and before declaring done.

  The transcript states the full suite was run (42 passed) after the fix and before declaring done.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json with no script or reproducible commands, and the transcript confirms helper scripts were deleted, leaving no reproducible pipeline.

• No The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  No script or command sequence is present in the diff to visibly demonstrate the stated pipeline order; only the final JSON output exists.

• No Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  The diff shows only the output report.json with no code to verify the strict timestamp regex, 24:00 rejection, or the 7/8 quarter-hour rounding split.

• No Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  No implementation code is present in the diff to confirm exact fraction or scaled-integer arithmetic and single half-up rounding per employee.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json as a new file and the transcript confirms helper scripts were removed and data/ was never rewritten.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• Yes The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The transcript confirms a Python script was written, executed, and then deleted, leaving only report.json.

• Yes The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  The transcript details the pipeline order: validation/correction/overlap on raw times, then rounding, meal, day-level overtime, and finally money calculation.

• Yes Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  The transcript confirms strict time validation, whole-minute arithmetic, and quarter-hour rounding with the correct split logic.

• Yes Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  The transcript explicitly mentions using floor(pay + 1/2) for half-up rounding and verifies calculations in cents to avoid float errors.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The transcript confirms the helper script was deleted and data/ was not modified, leaving only report.json in the workspace.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff contains only report.json; no script or reproducible command set is present in the final workspace.

• No The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  No pipeline code is visible in the diff, so the stated step order cannot be verified.

• No Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  No time-handling code is present in the diff to confirm strict format checks, whole-minute arithmetic, or the 7/8 split.

• No Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  No money-computation code is visible in the diff to confirm exact fractions/scaled integers and half-up rounding.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added; no helper scripts or data/ changes appear, consistent with the transcript's claim.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The final diff contains only report.json; the helper scripts mentioned in the transcript are not present in the diff, so the solution is not a reproducible set of commands.

• Yes The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  The transcript explicitly describes the pipeline order (validation/corrections/overlap -> rounding -> meal -> day-level rules -> money) and confirms no step reads values from later steps.

• Yes Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  The transcript confirms strict YYYY-MM-DDTHH:MM validation (rejecting 24:00 and unpadded hours) and quarter-hour rounding with the specific 7/8 split.

• Yes Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  The transcript states money was computed in exact fractions with a single round-half-up at the employee level, avoiding float errors and banker's rounding.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json as a new file, and the transcript confirms data/ was untouched and helper scripts were deleted.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff only contains report.json; the transcript states the helper script was deleted, so no reproducible script or command set remains in the workspace.

• Yes The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  The transcript explicitly describes the pipeline order (validation/corrections/overlap -> rounding -> meal -> day-level overtime -> money) and confirms no step reads values from later steps.

• Yes Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  The transcript confirms strict YYYY-MM-DDTHH:MM validation rejecting 24:00/unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split.

• Yes Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  The transcript states exact Fraction arithmetic was used with a single half-up rounding per employee total, avoiding float errors and banker's rounding.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only report.json added, and the transcript confirms the helper script was deleted and data/ was never rewritten.

Reviewed by qwen38-27b-q4-judge. Separate from machine-checkpoint results.

• No The solution is a single script or a clear, reproducible set of commands (not a hand-typed report.json).

  The diff only contains the final report.json; the transcript claims helper scripts were removed, so no reproducible script or command set is visible in the final state.

• No The pipeline follows the stated order visibly: validation and corrections and overlap on raw times first, then rounding, then meal, then the day-level overtime rules, then money; no step reads a value that a later step is supposed to produce.

  The pipeline logic is not visible in the diff (only the output JSON), so the order of operations cannot be verified.

• No Time handling is exact: a strict YYYY-MM-DDTHH:MM check that rejects 24:00 and unpadded hours, whole-minute arithmetic, and quarter-hour rounding with the stated 7/8 split rather than a float division.

  The implementation code is not present in the diff, so the specific time handling logic (regex, rounding split) cannot be verified.

• No Money is computed with exact fractions or scaled integers and rounded half up once per employee, not with floats rounded per shift or with banker's rounding.

  The implementation code is not present in the diff, so the money calculation method (fractions vs floats) cannot be verified.

• Yes The workspace was left as found plus report.json: helper scripts were removed and data/ was never rewritten, even temporarily.

  The diff shows only the addition of report.json, and the transcript confirms helper scripts were removed and data/ was untouched.