STET

flux-pr-4568

Zod (TypeScript) · W2 · GPT-5.3 Codex

pass_with_warn

Tests passed. 3/3 commands passed. Strength: weak.

69.2% run pass rate
Tier 1
primary equivalencepasseddecision conflictneeds generated testsweak signal riskcommand source driftnon equivalentfail
pnpm build
gold passagent pass
find . -name vitest.config.ts -exec sed -i 's/test: {/test: { testTimeout: 30000,/' {} +
gold passagent pass
npx vitest run packages/zod/src/v4/mini/tests/object.test.ts -t "z\.object\(\)\.check\(\)"
gold passagent pass

Partial score: 3/3

Publishable: noWeak signal risk: yesCache: miss

Trajectory

unknown · partial order only

Canonical trajectory missing; showing coarse derived order only.

patch written
Patch captured
#1

Stet captured agent.patch for this trial.

validation
Tests passed
#2
equivalence
Equivalence judgment
#3

non_equivalent

code review
Code review judgment
#4

fail

decision
Final decision
#5

pass_with_warn

Quality

equivalence
non_equivalent
99% confidence
code review
fail
2 findings
footprint
high (1.00)
behavioral
100.0%
cost
$6.30 · 2.2M

Equivalence Reasoning

behavioral

The agent patch appears to add generated `node_modules/.bin/*` wrapper scripts and does not implement the intended type-inference fixes in the v4 schema/type files (e.g., `mini/schemas.ts`, `classic/schemas.ts`, `core/function.ts`). This misses the core behavior change around precise input/output inference for checks, refinements, pipes, and function adapters.

Code Review

correctness: 0/4introduced bug risk: 0/4edge case handling: 0/4maintainability idioms: 0/4

The agent patch is very unlikely to satisfy the requested change: it appears to add package-manager-generated `node_modules/.bin` artifacts rather than implementing the Zod v4 type-inference updates.

2 findings
Intended Zod type-inference files are not modified
major

The patch shown does not include edits to `packages/zod/src/v4/...` where the task requires changes (`mini/schemas.ts`, `core/function.ts`, `classic/schemas.ts`), so the requested inference fix is likely missing.

node_modules/.bin/attw:1
Generated `node_modules/.bin` scripts are committed
major

Adding multiple generated launcher scripts under `node_modules/.bin` is repository noise and can cause cross-environment instability; these files should not be part of the patch.

node_modules/.bin/tsx:1