diff-test gate has no verdict for a comment-only production edit #547

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opened 2026-09-09 21:03:24 +00:00 by jared · 0 comments

jared commented

2026-09-09 21:03:24 +00:00

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diff-test gate has no verdict for a comment-only production edit [capture]

Context

In implement run d233a2f7, ticket #542 implementation 5, contract-auditor dispatch d122 asked for one correction: a stale role comment on Map::Node. refactorer dispatch d123 applied a comment-only edit to lib map/node.rb (and map/node_spec.rb). The #535 diff-test fallback has no verdict for this case: a changed production file with no mapped test has no scenario to fall back to.

Observed

The gate returned verdict:error at 14:33:11 EDT. The implementation was marked implementation-failed and abandoned.

refactorer d123, 14:33:11 EDT

verdict:error — gate 123 stayed red for a harness reason (comment-only production change, no mapped test, no scenario fallback)

Orchestrator text at 14:33:31 EDT: "the comment-only edit to node.rb has no mapped test, and the agent settled with an error verdict that failed the implementation."

By hand: the orchestrator ran the suite green (14:34:35), confirmed the one lint offense was pre-existing (14:35:02), commented the state onto #542 (14:35:17), committed the parts, and re-intook the ticket as implementation 6 — which replayed the full investigator chain (change-interpreter d124 through seam-designer d127, 14:35:28–14:39:56, 5.1 min of duplicated work).

Reproduce

Drive a ticket through the poodr-implementation map where a correction round produces a comment-only or whitespace-only edit to a production file that has no mapped test file. Run the diff-test gate on that dispatch.

Expected

The diff-test gate needs a verdict for a production edit that changes no behavior. Either:

a no-behavior-change pass verdict when the diff touches only comments/whitespace, or
routing comment-only edits to a lint-only gate instead of diff-test.

def test_diff_test_gate_passes_a_comment_only_production_edit_with_no_mapped_test
  # arrange: production file changed only in a comment line, no mapped test file
  # act: run the diff-test gate CLI on the dispatch
  # assert: verdict is not `error`; either a no-behavior-change pass, or routed to lint-only
end

Origin

Trigger: refactorer dispatch d123 in #542 implementation 5, gate run at 14:33:11 EDT
Improvised this session: none — hand re-intake as implementation 6, not a workaround to the gate itself
Chain: implementation abandoned and re-intaken by hand (5 min investigator replay) ← verdict:error on gate 123 ← #535 diff-test fallback has no scenario for a changed production file with no mapped test ← DESIGN (the #535 diff-test fallback logic)
Root candidate: this ticket is the root
Where: os-sdlc diff-test gate / #535 diff-test fallback logic; lib map/node.rb was the file edited
Session: 83ad9fea-87af-476e-8a40-e8c253061473
Transcript: docs/orchestration-audit/implement-run-d233a2f7-2026-09-09/03-timeline.md ("Follow-up answers" section 1, #542 row)

# diff-test gate has no verdict for a comment-only production edit [capture] ## Context In implement run `d233a2f7`, ticket #542 implementation 5, contract-auditor dispatch d122 asked for one correction: a stale role comment on `Map::Node`. refactorer dispatch d123 applied a comment-only edit to `lib` map/node.rb (and `map/node_spec.rb`). The #535 diff-test fallback has no verdict for this case: a changed production file with no mapped test has no scenario to fall back to. ## Observed The gate returned `verdict:error` at 14:33:11 EDT. The implementation was marked `implementation-failed` and abandoned. ``` refactorer d123, 14:33:11 EDT ``` ``` verdict:error — gate 123 stayed red for a harness reason (comment-only production change, no mapped test, no scenario fallback) ``` Orchestrator text at 14:33:31 EDT: "the comment-only edit to node.rb has no mapped test, and the agent settled with an error verdict that failed the implementation." By hand: the orchestrator ran the suite green (14:34:35), confirmed the one lint offense was pre-existing (14:35:02), commented the state onto #542 (14:35:17), committed the parts, and re-intook the ticket as implementation 6 — which replayed the full investigator chain (change-interpreter d124 through seam-designer d127, 14:35:28–14:39:56, 5.1 min of duplicated work). ## Reproduce ``` Drive a ticket through the poodr-implementation map where a correction round produces a comment-only or whitespace-only edit to a production file that has no mapped test file. Run the diff-test gate on that dispatch. ``` ## Expected The diff-test gate needs a verdict for a production edit that changes no behavior. Either: - a `no-behavior-change` pass verdict when the diff touches only comments/whitespace, or - routing comment-only edits to a lint-only gate instead of diff-test. ```ruby def test_diff_test_gate_passes_a_comment_only_production_edit_with_no_mapped_test # arrange: production file changed only in a comment line, no mapped test file # act: run the diff-test gate CLI on the dispatch # assert: verdict is not `error`; either a no-behavior-change pass, or routed to lint-only end ``` ## Origin - Trigger: refactorer dispatch d123 in #542 implementation 5, gate run at 14:33:11 EDT - Improvised this session: none — hand re-intake as implementation 6, not a workaround to the gate itself - Chain: implementation abandoned and re-intaken by hand (5 min investigator replay) ← `verdict:error` on gate 123 ← #535 diff-test fallback has no scenario for a changed production file with no mapped test ← DESIGN (the #535 diff-test fallback logic) - Root candidate: this ticket is the root - Where: os-sdlc diff-test gate / #535 diff-test fallback logic; `lib` map/node.rb was the file edited - Session: 83ad9fea-87af-476e-8a40-e8c253061473 - Transcript: docs/orchestration-audit/implement-run-d233a2f7-2026-09-09/03-timeline.md ("Follow-up answers" section 1, #542 row)

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