STET

flux-pr-3712

Zod (TypeScript) · W2 · GPT-5.3 Codex

pass_with_warn

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

69.2% run pass rate
Tier 1
primary testspasseddecision conflictnon equivalentfail
yarn build
gold passagent pass
find . -name vitest.config.ts -exec sed -i 's/test: {/test: { testTimeout: 30000,/' {} +
gold passagent pass
yarn test
gold passagent pass

Partial score: 3/3

Publishable: noCache: 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
93% confidence
code review
fail
3 findings
footprint
high (1.00)
behavioral
100.0%
cost
$3.50 · 1.4M

Equivalence Reasoning

behavioral

The patch (as shown) adds `base64url` to some type unions and tests, but does not show the core runtime behavior needed by the task: actual `base64url` validation logic, a `z.string().base64url()` check implementation, and an exposed metadata flag/getter (e.g., `isBase64url`) across the main source (`src`) and deno mirrors. It appears to miss the functional feature, not just style.

Code Review

correctness: 1/4introduced bug risk: 0/4edge case handling: 1/4maintainability idioms: 0/4

The agent patch likely does not cleanly satisfy the intended base64url feature: visible changes look partial while also introducing substantial unrelated `node_modules` noise, creating high risk despite reported test pass.

3 findings
Base64url support appears only partially wired
major

The shown changes add type-level identifiers and tests, but do not show the core runtime validation/method implementation needed for `z.string().base64url()` behavior, so the intended feature is likely incomplete.

app/deno/lib/types.ts:566
Generated `node_modules/.bin` files were included in the patch
major

The patch contains many new symlinks under `node_modules/.bin`, which should not be committed and significantly degrades patch quality and maintainability.

app/node_modules/.bin/acorn:1
Feature scope is inconsistent across code surfaces
major

The visible changes are concentrated in Deno paths and tests; there is no shown corresponding source-layer update in this patch excerpt, increasing risk of behavior mismatch across builds.

app/deno/lib/ZodError.ts:105