STET■

flux-pr-3712

Zod (TypeScript) · W2 · GPT-5.1 Codex Mini

graphql-go-tools (Go)sqlparser-rs (Rust)Zod (TypeScript)
W2W1
|
GPT-5.3 CodexGPT-5.4GPT-5.1 Codex Mini
pass_with_warn

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

61.5% run pass rate
Tier 1
primary testspassednon 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.

agent.patch
validation
Tests passed
#2
validation
equivalence
Equivalence judgment
#3

non_equivalent

validation
code review
Code review judgment
#4

fail

validation
decision
Final decision
#5

pass_with_warn

validation

Quality

equivalence
non_equivalent
97% confidence
code review
fail
3 findings
footprint
medium (0.57)
behavioral
100.0%
cost
$1.28 · 4.8M

Equivalence Reasoning

behavioral

The agent patch adds `base64url` to type unions, docs, and tests, but it does not implement the actual runtime behavior (no `base64url` regex/check path in string validation, no `z.string().base64url()` method, and no `isBase64url` flag getter in `types.ts`). So schemas still cannot truly validate/recognize base64url as required.

Code Review

correctness: 1/4introduced bug risk: 1/4edge case handling: 1/4maintainability idioms: 2/4

The agent patch likely does not satisfy the intended change: it adds type/doc/test references for `base64url` but misses the core validation and schema/metadata implementation needed for functional support.

3 findings
Core base64url behavior is not implemented
major

The patch only extends `ZodStringCheck`/`StringValidation` unions but does not add the parser check branch, regex, `base64url()` schema method, or `isBase64url` metadata flag in `types.ts`, so schemas cannot actually enforce base64url as requested.

src/types.ts:566
Tests/docs reference API that patch does not add
major

New tests and README snippets call `z.string().base64url()`, but no corresponding implementation is present in the modified core files, creating an internal inconsistency.

src/__tests__/string.test.ts:199
Unrelated lockfile churn included
minor

The patch changes `yarn.lock` registry URLs without being related to the base64url feature, which adds review noise and potential dependency-resolution variance.

yarn.lock:4
Evidencevalidation (125.1 KB)results (76.2 KB)run_metadata (1.6 KB)agent_patch (256.0 KB)summary (257.4 KB)manifest (695 B)