The Reasoning Degradation Ledger: devague lapse (0.22.0, #97) - #101
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The /scope -> /think -> /challenge -> /spec-to-plan legs for issue #97, plus the renderer fix the challenge pass itself uncovered. The frame converged with 16 confirmed claims, 16 honesty conditions, three resolved hard questions, and 14 scope entries citing what was actually read. The plan converged into three waves (t1 -> t2/t3/t4 -> t5/t6) with three targets deliberately deferred to the post-ship dogfood milestone. The renderer change is dogfood fallout: a scope surface carrying its own code span was blind-wrapped in another, breaking the export under MD038. spec_md and frame_md now pass such a surface through untouched. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Adds the Reasoning Degradation Ledger's domain model (issue #97): Frame.lapses, LapseRecord (id, code, what, skipped_check, refs, origin, status), and Frame.add_lapse / find_lapse / set_lapse_status. Mirrors DeviationRecord's chassis (devague/delivery.py) -- prefix-generic _next id minting, origin-driven initial status, fail-closed __post_init__ validation, append-only with no amend/delete -- but deliberately refines it in one place (c21): `code` is validated at the filing path (add_lapse), not in __post_init__, so retiring a code after a dogfood cycle never bricks a frame that already filed it; `status`/`origin` still validate in __post_init__ since they never retire. Bumps SCHEMA_VERSION 4 -> 5 and moves the pin in tests/test_frame_schema_v2.py and tests/test_frame.py (the latter also pins the version; permitted single-line update per task scope). New tests in tests/test_frame_lapse.py cover id minting/origin-driven status/round-trip (AC1), filing-time-only code validation incl. a file-retire-reload regression test (AC2, h16), the v5 bump incl. fail-closed-before-parsing-malformed-data and v4-frame-loads-clean-and-resaves-as-v5 (AC3), and no amend/delete API plus unvalidated free-text refs (AC4, c20). Covers targets: c2, h2, c17, h12, c20, c21, h16. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
…hema v5 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Both convergence gates (devague/convergence.py, devague/plan_convergence.py) iterate hand-written allowlists over named fields — frame.claims and frame.open_vagueness on the frame side, plan.tasks and plan.risks on the plan side — so Frame.lapses (the Reasoning Degradation Ledger, t1) is invisible to them by default, the same scope_entries precedent. These are pure test additions pinning that invisibility as a property: converge output is byte-identical before/after filing a lapse in every status (proposed, approved, rejected), and neither gate's blockers/warnings/parked_items/ required_next_moves ever names a lapse id, code, or filed text — checked on both converged and unconverged frames/plans, and on a plan derived from a lapse-carrying source frame via targets_from_frame. The property holds today; no production code changed. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Clones deviate.py's argument surface and confirm/reject/list shape onto the Frame-level LapseRecord ledger from t1: `devague lapse "<what>" --code <code>` files against the current frame (--origin llm lands proposed; --skipped/--ref stored verbatim, refs never id-validated since a lapse's refs are deliberately free text); --list [--json] renders id/code/status; --confirm/--reject transition only proposed records. Drops --task (no plan link) and id-ref validation relative to deviate.py, per the plan instruction. Adds the lapse row to learn.py's MOVES dict so `devague explain lapse` and bare `devague learn` both surface it. New tests/test_cli_lapse.py (34 tests) pins the argument surface has no amend/delete/task/affects flags, the confirm/reject transition rules, JSON shapes, and deterministic no-subprocess recording.
…touched frame_md.py gains a "## Lapse ledger" section (id, code, status, what), omitted entirely when Frame.lapses is empty — the working-state view, so every lapse renders regardless of status (unlike summary_md's discipline below). summary_md.py's Delivery Claims section now cites approved lapses as evidence via a small table (escaped through _escape_table_cell, same as _drift_lines), proposed lapses render as visibly pending, rejected lapses are omitted, and a lapse-free (or missing) frame keeps the existing hardcoded placeholder row untouched — no new failure mode. summary_data's JSON gains a parallel "lapse_evidence" key. spec_md.py is untouched (no code change) per the plan's load-bearing design point — a regression test pins render_spec's byte-identity across every lapse status. Covers targets c4, h3, c10, c19, h14, h13 (issue #97 t3). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
…tays untouched Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Document the shipped Reasoning Degradation Ledger (Frame.lapses / LapseRecord, devague lapse, schema v5) in docs/spec-contract.md — a new LapseRecord entity alongside ScopeEntry, a Moves contract row shaped identically to the deviate row, a v5 Versioning entry, a convergence-gate inertness note, and an anti-fabrication-guarantee extension. README.md names lapse in the flat-verb inventory and the agent-driving flow. CLAUDE.md's Status section leads with the new release and the stack expectations verb inventory gains lapse. CHANGELOG gets a 0.22.0 entry citing issue #97's embodiment evidence verbatim: a 21-task, 7-wave fan-out whose corrections record was reconstructed from memory, four failed graders (three inside one task) all found by reading data afterwards and none by a test failing, one near-miss on a false safety claim, and a recovery that worked only because raw data happened to be committed. Version bumped 0.21.0 -> 0.22.0 (minor, new feature) so CI's version-check passes. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
…ague#97) Wire the reasoning-degradation lapse ledger (t2-t4) into the three skills that touch it, without inventing a new gate or workflow owner: - challenge/SKILL.md: the routing table gains a seventh row — a reasoning degradation the pass itself made while sweeping routes to `devague lapse --origin llm`, not the six issue-73 spec-finding categories, since it is the agent's self-report about its own reasoning rather than proposed spec content. The "nothing else" hard rule now names `devague lapse` alongside the existing moves. - summarize-delivery/SKILL.md: the read-only moves table and hard rule gain `devague lapse --list`; the Delivery Claims method step and row-contract section now read the ledger (or the `Lapse ledger evidence:` block `devague summary` already renders) to ground each confidence level — approved lapses cap confidence honestly, proposed ones are not yet evidence. - assign-to-workforce/SKILL.md: the worktree prohibition generalizes from "never run `devague plan` inside a task worktree" to "no devague move runs inside a task worktree", naming `devague lapse` explicitly — a task agent reports a degradation in its transcript, the main agent files the record after reconciling the worktree, mirroring the `/scope` subagent boundary (#79/#91). - docs/skills.md: the operator-skills table and the challenge / summarize-delivery / assign-to-workforce per-skill sections are swept to match every table touched above. Adjudication is always named as `devague lapse --confirm`/`--reject`, exercised by the human who already owns the relevant gate — no new gate, no new role. deviate/SKILL.md is untouched: its only moves table is scoped to `devague deviate` itself, not a whole-method enumeration, so it needed no change. Covers: c5, h4, c6, h5, c9, h7. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
…ry (devague#97) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
The committed gate-2 artifact failed the repo's own markdownlint: a task instruction naming cli/__init__.py rendered as strong-emphasis (MD050 x2, MD037 x1). The script's safe_body() claimed to mirror render/_md_safety.py "exactly" but had only ported autolink_urls plus its own angle-bracket helper — md_safe_text, the half that wraps underscore-bearing identifiers in code spans, was never carried across. Ports md_safe_text faithfully (identifier wrapping, stray control chars, stray backticks, leading hash, code-span and URL carve-outs) and composes it into safe_body/safe_heading. Verified idempotent: a second --write is byte-identical. Recorded as deviation d1 against t5; no plan task covered the split-plan script, and CI does not lint markdown, so nothing would have caught this before review. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
The accountability artifact for the six-task, three-wave fan-out: all six tasks delivered, one approved deviation (d1), two lapses filed against this run's own reasoning and still awaiting adjudication. Two delivery claims stay unverified on purpose — h8 (filing costs under a minute) and c13/h11 (every shipped code has a reachable producer) both need the embodiment dogfood cycle, and four of the six codes have no filing yet. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
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/agentic_review |
PR Summary by QodoAdd reasoning-degradation lapse ledger (Frame.lapses) +
AI Description
Diagram
High-Level Assessment
Files changed (34)
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Thanks — logging that no change follows from this review, and why. Qodo's three alternatives are, precisely, the three design forks this PR
SonarCloud is green — 0 new issues, 0 accepted issues, 0 security hotspots, Three lapses are filed against this run's own reasoning and are
Follow-ups filed during the run, none blocking: #98, #99, #100, and
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Code Review by Qodo
1.
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… review)
Qodo found a real silent no-op: cmd_lapse fell through to listing whenever
the positional `what` was absent, so
devague lapse --code provenance-missing --skipped "<check>" --origin llm
printed "no lapses filed yet" and exited 0 having filed nothing. For a ledger
whose entire premise is that filing is cheap enough to do mid-flight, that is
the worst failure available: the operator believes the degradation is on
record and it is not.
Fails closed now, naming the flags that were given, matching the
flag/positional-ambiguity precedent from #72. --origin's parser default moves
from "user" to None so an explicit --origin is distinguishable from the
default; _record resolves None back to "user", so filing behaviour is
unchanged.
7 new tests, including the confirm/reject and --list combinations and a
regression pinning that bare `lapse` and `lapse --list` still list.
Filed as lapse l4: I called the review clean after reading one comment, three
minutes before the Code Review carrying this bug arrived.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
The artifact claimed a clean review and said nothing about SonarCloud. Both were wrong: Qodo found a silent no-op in `devague lapse`, and the Sonar gate had run and passed all along (98.7% coverage on new code) behind a false negative in `agex pr read`. Adds the post-review fix under Mid-work Decisions, the two new lapses (l3, l4) to the ledger-evidence block, #102 and devex#96 to follow-ups, and the Sonar result to Evidence. Three of the four lapses now share one root cause: an instrument read once and its output treated as settled. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E6Zm7QrhKV4bzW2RikPGNe
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Bug confirmed and fixed — FIX — "Record flags ignored silently"Reproduced exactly as described: $ devague lapse --code provenance-missing --skipped "the check I skipped" --origin llm
no lapses filed yet
$ echo $?
0The entry is gone and nothing says so. For a ledger whose entire premise is Your relevance note pointing at #72 is exactly right — failing closed on Now: $ devague lapse --code provenance-missing --skipped "the check I skipped" --origin llm
error: --code, --skipped, --origin given without a positional 'what' to file
hint: record the lapse in one move: devague lapse "<what>" --code <code>, or drop the flags to list
$ echo $?
1The guard collects whichever record-only flags were supplied and names them. The same bug is in
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Closes #97.
The seven-leg method run end to end on itself —
/scope→/think→/challenge→/spec-to-plan→/assign-to-workforce→/deviate→/summarize-delivery— shipping the move issue #97 asked for. The deliverysummary below is the accountability artifact, committed at
docs/deliveries/2026-07-29-reasoning-degradation-ledger.md.The new surface:
Three design points worth a reviewer's attention, each a
/challengefindingthe human confirmed:
__post_init__. Everyother kind vocabulary here validates in
__post_init__, which means itre-validates on load — so retiring a dead code would have made every frame
that ever filed it unloadable. That directly contradicts the spec's own
commitment to remove codes with zero filings (
h11).SCHEMA_VERSION4→5. Without it an older binary loads a lapse-bearingframe tolerantly and its next save silently deletes every filed lapse.
it, and the exported spec-md is byte-identical before and after filing.
Filed during the run: #98, #99, #100. Two lapses (
l1,l2) are filedagainst this run's own reasoning and are still
proposed— adjudicatingthem with
devague lapse --confirm/--rejectis the first real exercise ofthat path.
Delivery Summary — reasoning-degradation ledger
plan:
reasoning-degradation-ledger· run:complete· date:2026-07-29baseline:
devague summary skeletonIntent
Ship issue #97 — a
deterministic move that records degradations of the reasoning process
(moments where an assumption was silently substituted for a check) as
first-class, append-only ledger entries filed when they happen. The
reasoning-side twin of
deviate, filed friction-free and never gatingconvergence. Six tasks across three dependency waves, fanned out by
/assign-to-workforceafter the/scope→/think→/challenge→/spec-to-planlegs converged and exported the spec and plan.Planned Work
Quoted verbatim from the
devague summaryskeleton:t1— Lapse domain model on Frame: LapseRecord, lapse codes, schema v5t2— CLI verb lapse: file, list, adjudicatet3— Render the ledger: show and summary consume, spec stays untouchedt4— Gate inertness pinned by testst5— Skills sweep: producer, consumer, and the subagent boundaryt6— Docs, contract, changelog, versionActual Delivery
t1LapseRecord+LAPSE_CODES+LAPSE_STATUSESandFrame.lapses/add_lapse/find_lapse/set_lapse_statusindevague/frame.py;SCHEMA_VERSION4→5; 31 new tests intests/test_frame_lapse.py. Merged4a47f74t2devague/cli/_commands/lapse.py(file /--list/--confirm/--reject), registered incli/__init__.py,MOVESrow added inlearn.py; 34 new tests intests/test_cli_lapse.py. Merged2bc7620t3_lapse_linesinrender/frame_md.py,_lapse_evidence_lines+lapse_evidenceJSON inrender/summary_md.py;spec_md.pyunchanged by design, pinned by a byte-identity regression test; 17 new tests. Merged0f67775t4tests/test_convergence.pyandtests/test_plan_convergence.py; zero production code, as the task specified. Merged5259c33t5challengerouting row + hard rule,summarize-deliverymoves table + Delivery Claims step,assign-to-workforceworktree prohibition generalized,docs/skills.mdenumerations swept. Mergede95b7aft6docs/spec-contract.mdLapseRecordentity + Moves rows + schema v5,README.md,CLAUDE.md,CHANGELOG.md, version 0.21.0→0.22.0. Mergedb92f982All six tasks delivered; none partial, dropped, or blocked.
Mid-work Decisions
d1— thesplit-plan --writepath escapes verbatim task text beforewriting markdown — the committed gate-2 artifact failed the repo's own
markdownlint:
cli/__init__.pyint2's instruction rendered asstrong-emphasis (MD050 ×2, MD037 ×1). No plan task covers the split-plan
script, and CI does not lint markdown, so nothing would have caught it
before review. Approved by the gate-2 owner mid-run, recorded before the fix
landed.
/challengepass, run before/spec-to-plan, itself broke the specexport: a scope surface carrying its own code span was blind-wrapped in a
second one (MD038). Fixed in
spec_md.py/frame_md.pywith three newtests, and folded into the baseline commit rather than a plan task — the
breakage predated the plan, so no task could have covered it. No deviation
record covers this; captured here directly.
h8,c13,h11) were deliberately deferred atplan time, not dropped mid-run: all three measure the shipped verb in a real
embodiment dogfood cycle and cannot be tested inside this PR. They render in
the plan's
## Deferred targetssection with their reason.Drift From Plan
t5(d1)cli/__init__.pyint2's instruction rendered as strong-emphasis (MD050 ×2, MD037 ×1). No plan task covers the split-plan script, and CI does not lint markdown, so nothing would have caught it before review. Approved by the user mid-run.No other task diverged from its confirmed contract. Two additions beyond the
letter of the acceptance criteria are noted rather than classified as drift,
because each stays inside its task's file scope and criteria:
t3added alapse_evidencekey tosummary_data()'s JSON for parity with every othersection, and
t1moved a secondSCHEMA_VERSIONpin intests/test_frame.pythat the plan's instruction did not know existed.
Evidence
uv run pytest -n auto -q— 1071 passed, 0 failed(970 before the run; +101)
tests/test_frame_lapse.py,tests/test_cli_lapse.py— 65 passedtests/test_convergence.py,tests/test_plan_convergence.py— 67 passeduv run flake8 --config=.flake8 devague/ tests/— cleanuv run black --check devague/ tests/— 101 files unchangedmarkdownlint-cli2 "README.md" "CHANGELOG.md" "CLAUDE.md" "docs/**/*.md"— 0 errors
uv run devague --version—devague 0.22.0e5047a4..8856938(14 commits)#98,
#99,
#100 (filed during the run)
Delivery Claims
devague lapsefiles, lists, and adjudicates lapse records end to endtests/test_cli_lapse.py· commit2bc7620· exercised for real on this run (l1,l2filed)tests/test_frame_lapse.pyfile→retire→reload regression · commit4a47f74tests/test_convergence.py+tests/test_plan_convergence.py· commit5259c33tests/test_render_sharper.py· commit0f67775SCHEMA_VERSION5 protects filed lapses from an older binary silently dropping them on savetests/test_frame_lapse.py· commit4a47f74devague summary_lapse_evidence_lines·tests/test_summary.py· this artifact's own skeleton renderedl1/l2as pendingh8)c13/h11)Lapse ledger evidence:
l1(provenance-missing) andl2(
grader-unverified) are filed but still proposed — pending the gateowner's
devague lapse --confirm/--reject, so neither is yet evidence andneither caps a claim above. Both are self-reports about this run's reasoning:
l1records that the/challengepass concluded markdown-safety was handledafter reading only the three CLI renderers, never
assign-to-workforce.sh;l2records that the per-task TDD merge gate ran pytest and flake8 and wasread as proving "the artifacts are clean" when it never ran markdownlint at
all.
d1is the consequence both describe.Remaining Work / Follow-up
Adjudicate
l1andl2—devague lapse --confirm l1 l2(or reject).Until then they are pending, not evidence. This is the first real exercise of
the adjudication path.
#98 —
learn.py'sMOVESdict is missing five verbs, sodevague explain deviate|summary|planall fail. Pre-existing; this run added only the
lapserow deliberately, tokeep the fix reviewable on its own (plan risk
r1).#99 — the
d1deviationfiled as its own issue:
split-plan --writewrote unescaped markdown becausesafe_bodynever portedmd_safe_textdespite a comment claiming exactparity. Fixed here; the issue proposes adding markdownlint to CI and
addressing the duplicated-helper drift risk.
#100 —
deviateandsummarize-deliverySKILL.md still draw the six-leg flow, omitting/challenge. Pre-existing since 0.19.0 and outbound to the whole mesh.Deferred coverage targets
h8,c13,h11— the embodiment dogfoodcycle. Issue Ledger the reasoning, not just the subject: a deterministic move for recording where the work degraded #97 closes with embodiment offering to run it and report real
entry counts and which codes turned out dead.
h11commits to removing adead code, not documenting it, so this is a real decision waiting on data
(plan risk
r2; parked itemsv1,v2).Hard question
q4— how the spec distinguishes "covered" from"reachable" per code — remains open on the frame, non-blocking. Four of the
six shipped codes have no filing yet, which is precisely the condition
embodiment#18 warned about.
devague (Claude)