STET

flux-pr-4843

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 equivalencepassedneeds 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/classic/tests/error-utils.test.ts -t "all\ errors"
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
$1.73 · 562K

Equivalence Reasoning

behavioral

The intended change is to make `treeifyError`/`$ZodErrorTree` treat branded primitives like their underlying primitive type (plus test coverage). The agent patch appears to add generated `node_modules/.bin/*` launcher scripts and does not show any relevant changes to Zod error tree typing/logic or tests, so it misses the core behavior.

Code Review

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

The shown agent patch is very unlikely to satisfy the task: it appears to add generated node_modules binaries instead of implementing the branded primitive treeifyError type adjustment and corresponding test updates.

2 findings
Patch does not implement requested branded-primitive error-tree change
major

The submitted diff shown adds generated node_modules bin wrappers and does not include the expected source/test modifications for treeifyError branded primitive typing behavior.

app/node_modules/.bin/attw:1
Generated dependency artifacts are committed
major

Committing many node_modules .bin scripts is repository noise and a maintainability regression; these files are environment-generated and not task-specific.

app/node_modules/.bin/rollup:1