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Joey Yakimowich-Payne abc5c863fd
 fix(modifiers): close client schema/server schema drift + add parity test (Q4.2) 
The T3 audit flagged the Zod v3 / v4 hand-mirrored schemas as a
silent-drift risk: a bug where the client accepts what the server
rejects (or vice versa) would silently degrade gameplay rather than
fail loudly.

New cross-package parity test at
packages/server/src/custom-modifier-wire-parity.test.ts imports BOTH
schemas and asserts they agree on an accept/reject matrix of 17 cases
(valid minimal, valid rich, valid optional-field combinations + 12
rejection cases covering type/version/name/description/uiForm/source
literals, bounds, empty id, oversized primitives/description, and
primitive-node empty-kind). A final round-trip case parses on the
client, JSON-serializes, and parses on the server — catching
stringification edge cases too.

First run surfaced a real drift: the client schema was missing the
primitives.max(50) cap that the server schema enforces. A malicious
or buggy client could construct an oversized descriptor, get past
local validation, then hit the server's rejection. Fixed by adding
matching caps (primitives.max(50) + targetAttrs.max(32) +
author.max(80)) to the client schema.

Barrel export: chess/src/index.ts now re-exports
CustomModifierDescriptorSchema + EffectPrimitiveNodeSchema + the
parse/serialize helpers so the server parity test can import them
without reaching into subpaths.

1400 → 1417 unit tests.
2026-04-20 17:53:22 -06:00
.github/workflows chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
.sisyphus chore(sisyphus): T3 Final Verification Wave — all reviewers APPROVE 2026-04-19 22:04:36 -06:00
docs docs(adr): T4 scripted modifiers forward-design 2026-04-19 21:09:52 -06:00
packages fix(modifiers): close client schema/server schema drift + add parity test (Q4.2) 2026-04-20 17:53:22 -06:00
scripts feat(rete): add replay engine + state-hash determinism verifier (P3.3) 2026-04-16 15:25:13 -06:00
.gitignore chore: ignore .org.chromium.Chromium.* runtime files 2026-04-19 10:20:42 -06:00
eslint.config.js feat(engine): damage-resistance modifier descriptor 2026-04-18 22:22:31 -06:00
lefthook.yml chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
LICENSE chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
package.json feat(rete): add replay engine + state-hash determinism verifier (P3.3) 2026-04-16 15:25:13 -06:00
playwright.config.ts fix(rete): inject clock into EventLog; use tsc for DTS; fix cycle.test.ts private access; add Playwright worker limit 2026-04-16 18:25:49 -06:00
README.md chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
tsconfig.base.json chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
tsconfig.json chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
vitest.workspace.ts chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00

README.md

@paratype

A Doorenbos-style Rete II rules engine for TypeScript games, with an authoritative WebSocket chess demo.

Packages

Docs

Getting Started

bun install && bun run check