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Joey Yakimowich-Payne 8f6c666ade
 feat(chess/modifiers): add 7 new attr consumers + pre-move check/promotion snapshots 
Combines T3 (consumer registrations for the 7 new hook attrs) and T4
(pre-move state snapshots) since both modify apply.ts and gate the
incoming wave of trigger primitives.

T3 — Consumer registrations:
Adds registerAttrConsumer() calls for the 7 trigger hook attrs added
to ChessAttrMap (OnMoveHooks, OnTurnEndHooks, OnPromotionHooks,
OnCheckReceivedHooks, OnCheckDeliveredHooks, OnMovedOntoSquareHooks,
OnCapturedHooks). Without these, the load-time
assertSeedConsumerIntegrity() check would fail loudly when the
upcoming Wave 2 primitives start writing the attrs.

T4 — Pre-move snapshots:
Two new per-engine WeakMaps mirror the existing PRE_MOVE_HP_SNAPSHOTS
lifecycle:
- PRE_MOVE_CHECK_STATE_SNAPSHOTS: per-color royal IDs + their
  attacker IDs at onBeforeMove time, used by the upcoming
  on-check-received (edge-triggered transition into check) and
  on-check-delivered (revealed-attacker discovered check) evaluators.
- PRE_MOVE_PROMOTION_PAWNS: pawn IDs eligible to promote this move
  (white pawns on rank 6, black pawns on rank 1) — feeds the upcoming
  on-promotion evaluator without re-walking the board post-move.

Snapshots populate in onBeforeMove, expose read-only getters
(getPreMoveCheckState, getPreMovePromotionPawns), and clear in
onAfterMove inside try/finally to prevent leaks even if a trigger
evaluator throws. Reuses the engine's existing attackProbe helper
(via PIECE_TYPE_REGISTRY) and getActiveRoyalEntityIds for preset-aware
royal resolution rather than computing check lines from scratch.

Adds 4 new tests in apply.test.ts: snapshot capture, promotion-pawn
flagging, post-move cleanup, and no-leak across 3 sequential moves.
2026-04-21 16:59:32 -06:00
.github/workflows chore(root): scaffold monorepo — Phase 0 complete 2026-04-16 13:32:21 -06:00
.sisyphus plan(sisyphus): lock 7 design decisions for post-epic deferrals 2026-04-21 10:33:14 -06:00
docs feat(ui): AttrCombobox declare vs. consume semantics 2026-04-21 13:07:27 -06:00
packages feat(chess/modifiers): add 7 new attr consumers + pre-move check/promotion snapshots 2026-04-21 16:59:32 -06:00
scripts feat(rete): add replay engine + state-hash determinism verifier (P3.3) 2026-04-16 15:25:13 -06:00
.gitignore chore(sisyphus): Rule Variants Final Verification Wave — all reviewers APPROVE 2026-04-21 10:15:18 -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