Rev 7: sight passes only through the aisle warps

The cards settle what the morning's feature got wrong. DIMENSIONAL
WARP: "There is no L.O.S. through the warp." The AUTO WARP: "for all
purposes, treat the connected board edges as though they are
adjacent" — an explicit grant, for edges that physically meet at a
corner. The lettered wraparounds get no grant at all: their rule is
about walking. So the pattern is that warps carry movement, not
sight, unless the text says otherwise — and only the aisle corners
say otherwise.

Warps now carry an aisle flag (the 3-player AUTO WARP and the
5-player corner arcs); hasWarpLineOfSight honors only those, with
the adjacency geometry — diagonals through the corner mouth —
unchanged from this morning where it rightfully applies. Games begun
before rev 7 keep the wider sight their logged commands were
validated against, via a legacy flag boardView stamps from the
game's rules revision. Tests pin all three states: lettered mouths
see nothing, aisle mouths see the corner fan, legacy games see
everything they used to.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.playwright-mcp/console-2026-08-16T19-04-55-807Z.log

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packages/engine/src/board.ts

@@ -27,6 +27,13 @@ export interface Warp {
   from: { cell: Cell; side: Side };
   /** ...you arrive at this cell (entering through `side`). */
   to: { cell: Cell; side: Side };
+  /**
+   * An aisle (AUTO) warp joins two edges that physically meet at a corner:
+   * "for all purposes, treat the connected board edges as though they are
+   * adjacent" — including line of sight. The lettered wraparounds carry
+   * movement only; no rule grants sight across the map.
+   */
+  aisle?: boolean;
 }
 
 export interface AssembledBoard {
@@ -38,6 +45,8 @@ export interface AssembledBoard {
   /** Cells that are part of the map (all cells inside placed sectors). */
   cells: Record<string, true>;
   warps: Warp[];
+  /** Pre-rev-7 games saw through every warp; their replays keep that sight. */
+  sightThroughAllWarps?: boolean;
   /** Per player-sector info, in placement order. */
   homes: Cell[];
   treasureSpaces: Cell[][];
@@ -119,7 +128,7 @@ export interface AssemblyOptions {
    * openings pair straight across the map — correct for the 4p square; the
    * standard 2p column crosses its side openings and must pass pairs.
    */
-  warpPairs?: [OpeningRef, OpeningRef][];
+  warpPairs?: ([OpeningRef, OpeningRef] | [OpeningRef, OpeningRef, "aisle"])[];
 }
 
 /**
@@ -204,11 +213,12 @@ export function assembleBoard(
   };
 
   if (options.warpPairs) {
-    for (const [a, b] of options.warpPairs) {
+    for (const [a, b, kind] of options.warpPairs) {
       const ca = openingCell(a.sector, a.side);
       const cb = openingCell(b.sector, b.side);
-      warps.push({ from: { cell: ca, side: a.side }, to: { cell: cb, side: b.side } });
+      const aisle = kind === "aisle" ? { aisle: true as const } : {};
-      warps.push({ from: { cell: cb, side: b.side }, to: { cell: ca, side: a.side } });
+      warps.push({ from: { cell: ca, side: a.side }, to: { cell: cb, side: b.side }, ...aisle });
+      warps.push({ from: { cell: cb, side: b.side }, to: { cell: ca, side: a.side }, ...aisle });
     }
   } else {
     for (let i = 0; i < placements.length; i++) {
@@ -363,6 +373,7 @@ export function hasWarpLineOfSight(
   };
   const EPS = 1e-9;
   for (const w of board.warps) {
+    if (!w.aisle && !board.sightThroughAllWarps) continue;
     const mouthA = w.from.cell;
     const sideA = w.from.side;
     const mouthB = w.to.cell;

packages/engine/src/game.ts

@@ -218,6 +218,8 @@ export interface GameConfig {
    * BIG MAN pushes occupants ahead, steps over floor hazards for 2 points,
    * and bars monsters from his square. Rev 6: ANTI-ANTI cannot pin a
    * teleport escape ("does not work against escape" — the card face).
+   * Rev 7: sight passes only through aisle-warp corners, not the lettered
+   * wraparounds ("no rule grants it; DIMENSIONAL WARP explicitly denies it").
    */
   deckRev?: number;
 }
@@ -290,8 +292,17 @@ export interface GameState {
 
 /** The board with dynamic wall changes applied — use for movement and LOS. */
 export function boardView(state: GameState): AssembledBoard {
-  if (Object.keys(state.edgeOverrides).length === 0) return state.board;
+  // Rev 7 restricts warp sight to the aisle corners; earlier games keep the
-  return { ...state.board, edges: { ...state.board.edges, ...state.edgeOverrides } };
+  // wider sight their commands were validated against.
+  const legacySight = (state.config.deckRev ?? 1) < 7;
+  if (Object.keys(state.edgeOverrides).length === 0) {
+    return legacySight ? { ...state.board, sightThroughAllWarps: true } : state.board;
+  }
+  return {
+    ...state.board,
+    edges: { ...state.board.edges, ...state.edgeOverrides },
+    ...(legacySight ? { sightThroughAllWarps: true } : {}),
+  };
 }
 
 export function sustainedOn(state: GameState, playerId: PlayerId, cardId?: string): SustainedEffect[] {

packages/engine/src/setups.ts

@@ -68,7 +68,7 @@ export function setupBoard(playerCount: number, rng: RngState): SetupResult {
     ];
     const board = assembleBoard(placements, {
       warpPairs: [
-        [{ sector: 0, side: "W" }, { sector: 1, side: "N" }], // AUTO WARP corner
+        [{ sector: 0, side: "W" }, { sector: 1, side: "N" }, "aisle"], // AUTO WARP corner
         [{ sector: 0, side: "N" }, { sector: 2, side: "S" }],
         [{ sector: 1, side: "W" }, { sector: 2, side: "E" }],
         [{ sector: 0, side: "E" }, { sector: 1, side: "S" }],
@@ -106,10 +106,10 @@ export function setupBoard(playerCount: number, rng: RngState): SetupResult {
       warpPairs: [
         [{ sector: 0, side: "N" }, { sector: 4, side: "S" }], // tip to tip
         [{ sector: 1, side: "W" }, { sector: 3, side: "E" }],
-        [{ sector: 0, side: "W" }, { sector: 1, side: "N" }], // aisle-warp corners
+        [{ sector: 0, side: "W" }, { sector: 1, side: "N" }, "aisle"], // aisle-warp corners
-        [{ sector: 0, side: "E" }, { sector: 3, side: "N" }],
+        [{ sector: 0, side: "E" }, { sector: 3, side: "N" }, "aisle"],
-        [{ sector: 4, side: "W" }, { sector: 1, side: "S" }],
+        [{ sector: 4, side: "W" }, { sector: 1, side: "S" }, "aisle"],
-        [{ sector: 4, side: "E" }, { sector: 3, side: "S" }],
+        [{ sector: 4, side: "E" }, { sector: 3, side: "S" }, "aisle"],
       ],
     });
     return { board, rng: rngN };

packages/engine/test/board.test.ts

@@ -138,39 +138,26 @@ describe("player counts 2-6", () => {
   });
 });
 
-describe("line of sight through wraparound openings", () => {
+describe("sight and the wraparound openings", () => {
   const twoSector: SectorPlacement[] = [
     { boardId: "board-a", origin: { x: 0, y: 0 }, rotation: 0 },
     { boardId: "board-b", origin: { x: 0, y: 5 }, rotation: 0 },
   ];
 
-  it("sees straight down the corridor, out one mouth and in the other", () => {
+  it("lettered wraparounds carry movement only — no sight across the map", () => {
     const board = assembleBoard(twoSector);
-    // (2,0) N wraps to (2,9): the mouths see each other through the join.
+    // (2,0) N wraps to (2,9) for walking, but no rule grants sight there,
-    expect(hasLineOfSight(board, { x: 2, y: 0 }, { x: 2, y: 9 })).toBe(false);
+    // and DIMENSIONAL WARP's own face denies it for warps generally.
+    expect(sightBetween(board, { x: 2, y: 0 }, { x: 2, y: 9 })).toBe(false);
+    expect(sightBetween(board, { x: 2, y: 9 }, { x: 2, y: 0 })).toBe(false);
+  });
+
+  it("pre-rev-7 games keep the wider sight their commands were validated under", () => {
+    const board = { ...assembleBoard(twoSector), sightThroughAllWarps: true };
     expect(sightBetween(board, { x: 2, y: 0 }, { x: 2, y: 9 })).toBe(true);
-    expect(sightBetween(board, { x: 2, y: 9 }, { x: 2, y: 0 })).toBe(true);
+    // Even then: walls inside the corridor still block, and a filled mouth chokes.
-  });
+    expect(sightBetween(board, { x: 2, y: 2 }, { x: 2, y: 9 })).toBe(false);
-
+    expect(sightBetween(board, { x: 2, y: 0 }, { x: 2, y: 8 }, { "2,9": true })).toBe(false);
-  it("demands a straight corridor: off-axis viewers see nothing", () => {
-    const board = assembleBoard(twoSector);
-    expect(sightBetween(board, { x: 1, y: 0 }, { x: 2, y: 9 })).toBe(false);
-    expect(sightBetween(board, { x: 3, y: 1 }, { x: 2, y: 9 })).toBe(false);
-  });
-
-  it("walls inside either corridor still block the warp sight", () => {
-    const board = assembleBoard(twoSector);
-    // Layout A: the wall between (2,0) and (2,1)'s row (home column sight is
-    // cut above row 2 — pinned earlier) blocks a deeper viewer's warp sight.
-    const deepViewer = { x: 2, y: 2 };
-    expect(hasLineOfSight(board, deepViewer, { x: 2, y: 0 })).toBe(false);
-    expect(sightBetween(board, deepViewer, { x: 2, y: 9 })).toBe(false);
-  });
-
-  it("a filled mouth chokes the tunnel", () => {
-    const board = assembleBoard(twoSector);
-    const stone = { "2,9": true as const };
-    expect(sightBetween(board, { x: 2, y: 0 }, { x: 2, y: 8 }, stone)).toBe(false);
   });
 });
 
@@ -237,29 +224,34 @@ describe("setup diagram pairings (rulebook Set-Up Diagram)", () => {
   });
 });
 
-describe("sight through warps treats the boards as adjacent", () => {
+describe("the aisle warp treats its corner as adjacent — sight included", () => {
-  const twoSector: SectorPlacement[] = [
+  it("sight passes through the AUTO WARP, diagonals and all", () => {
-    { boardId: "board-a", origin: { x: 0, y: 0 }, rotation: 0 },
+    const { board } = setupBoardForPins(3, createRng(7));
-    { boardId: "board-b", origin: { x: 0, y: 5 }, rotation: 0 },
+    const aisle = board.warps.find((w) => w.aisle)!;
-  ];
+    expect(aisle).toBeDefined();
-
+    // From the aisle mouth, squares beyond the corner are visible — including
-  it("diagonal lines pass through the one-cell mouth like any doorway", () => {
+    // at least one OFF the straight axis (the adjacency promise).
-    const board = assembleBoard(twoSector);
+    const mouth = aisle.from.cell;
-    // From SOME warp mouth, at least one square off the straight corridor
+    const axisVertical = aisle.from.side === "N" || aisle.from.side === "S";
-    // axis must be visible through the opening — the adjacency promise.
+    let seen = 0, offAxis = 0;
-    let offAxis = 0;
-    for (const w of board.warps) {
-      const mouth = w.from.cell;
-      const axisVertical = w.from.side === "N" || w.from.side === "S";
     for (const key of Object.keys(board.cells)) {
       const [x, y] = key.split(",").map(Number) as [number, number];
-        const onAxis = axisVertical ? x === mouth.x : y === mouth.y;
+      if (hasLineOfSight(board, mouth, { x, y })) continue;
-        if (onAxis) continue;
+      if (sightBetween(board, mouth, { x, y })) {
-        if (!hasLineOfSight(board, mouth, { x, y }) && sightBetween(board, mouth, { x, y })) {
+        seen++;
-          offAxis++;
+        if (axisVertical ? x !== mouth.x : y !== mouth.y) offAxis++;
-        }
       }
     }
+    expect(seen).toBeGreaterThan(0);
     expect(offAxis).toBeGreaterThan(0);
+    // A lettered (non-aisle) mouth on the same board sees nothing extra.
+    const lettered = board.warps.find((w) => !w.aisle)!;
+    const lm = lettered.from.cell;
+    let extra = 0;
+    for (const key of Object.keys(board.cells)) {
+      const [x, y] = key.split(",").map(Number) as [number, number];
+      if (!hasLineOfSight(board, lm, { x, y }) && sightBetween(board, lm, { x, y })) extra++;
+    }
+    expect(extra).toBe(0);
   });
 });

packages/server/src/rooms.ts

@@ -46,7 +46,7 @@ export interface Room {
 const rooms = new Map<string, Room>();
 
 /** Rules revision new games are dealt under (stored games keep their own). */
-const RULES_REV = 6;
+const RULES_REV = 7;
 
 const ROOM_CODE_ALPHABET = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789";
 

packages/web/src/local.svelte.ts

@@ -101,7 +101,7 @@ class LocalGame {
       seed,
       sets: expansion ? ["basic", "expansion1"] : ["basic"],
       ...(colors ? { colors } : {}),
-      deckRev: 6,
+      deckRev: 7,
     };
     const { state, events } = createGame(config);
     this.config = config;