Give Claude routing checks a measured setup budget

AI assistance: Codex, under maintainer direction.

tests/skill-behavior/README.md

@@ -63,6 +63,8 @@ its genuine structured-question fallback; browser decisions have separate E2E.
 
 Set `IMPECCABLE_SKILL_BEHAVIOR_TRACE_DIR=<directory>` to retain per-turn JSON
 with model, prompt, tool results, response ordering, usage, and finish reason.
+Progress and failed turns retain their tool traces too; only completed turns
+carry the full response sequence and final usage.
 These are local diagnostic artifacts; inspect before sharing. Successful reads
 or full reference content in shell output count as loading; filename mentions,
 denied commands, and failed reads do not.
@@ -98,6 +100,18 @@ An intermediate candidate run scored 8/9 because the control rejected valid
 rerun passed 9/9. This is one measured run per variant, not a reliability estimate
 or an all-workflow pass. Broader routing and workflow results remain separate.
 
+On the resolved fixture, Gemini's workflow run passed 4/5: the completed new
+page omitted user confirmation. Tightening the existing question paragraph
+made its focused build lifecycle rerun pass 1/1. OpenAI passed all five workflow
+cases with the fixture corrections alone. These are incremental measurements,
+not one full sweep on the final candidate.
+
+Claude's three-step routing sweep cut off two setup cases before loading
+`new-work.md`. Both loaded it in bounded six-step diagnostics. Claude now has
+the same six-step setup allowance as Gemini; reference and edit-order assertions
+are unchanged. A full-build baseline separately hit the existing 840-second
+deadline and is not counted as a pass.
+
 ## Scenarios
 
 | # | Setup | Assertion |

tests/skill-behavior/scenarios.test.mjs

@@ -101,12 +101,11 @@ for (const modelId of resolveModelList()) {
       return;
     }
     const model = getModel(modelId);
-    // Gemini Flash tends to inspect one file at a time, while the production
-    // Anthropic/OpenAI models batch setup reads and then begin implementation.
-    // Keep the latter tightly bounded so this routing suite does not turn into
-    // a page-generation benchmark, but leave Gemini enough room to reach the
-    // same required reference.
-    const setupMaxSteps = provider === 'google' ? 6 : 3;
+    // Claude and Gemini may inspect the workspace before loading references.
+    // Three steps truncated valid Claude setup; six-step diagnostics reached
+    // the same required references. Keep the budget bounded, not a requirement
+    // that every provider batches its tool calls like OpenAI.
+    const setupMaxSteps = provider === 'openai' ? 3 : 6;
 
     it('scenario 1: no PRODUCT.md / DESIGN.md', async () => {
       const workspace = prepareWorkspace({ files: {} });