various fixes. added version#s and added a playable browser build of the solitaire game (including deploy to filebrowser script)

test/mainline-cards.test.ts

@@ -412,3 +412,85 @@ describe('card coverage', () => {
     assert.match(poling!.effect, /TBD/i);
   });
 });
+
+// ---------------------------------------------------------------------------
+
+describe('the Limits sign moves with the Running Track (§2.1, Gap 4a)', () => {
+  it('keeps the Limits at the ends, never stranded mid-track', () => {
+    // Found by watching a replay: a district grew to
+    //   (0,-5) (0,-4) (0,-3) (0,-2)=Power Plant [LIMITS] (0,0)=Office [LIMITS] (0,2) …
+    // with everything beyond (0,-2) built OUTSIDE a sign that never moved. Not cosmetic — §8.1 and
+    // §10 both reason about "the track between the train and the Limits", and running past a
+    // player's Limits is what makes a collision his fault.
+    const s = game();
+    const area = areaOf(s, 0);
+    s.turn.option = 'draw';
+
+    for (let n = 0; n < 4; n++) {
+      s.turn.laidThisTurn = false;
+      const target = { row: area.runningRow, col: area.limitsWest.col };
+      const r = applyIntent(s, 0, {
+        type: 'track.lay', geometry: 'straight', hand: 'none', placement: target, variant: 0,
+      });
+      assert.ok(r.ok, `extending onto the Limits should be legal (attempt ${n + 1})`);
+    }
+
+    const onRunning = [...area.grid.entries()]
+      .map(([k, c]) => ({ col: Number(k.split(',')[1]), kind: c.geometry.kind }))
+      .filter((x) => !Number.isNaN(x.col));
+    const limits = onRunning.filter((x) => x.kind === 'limits').map((x) => x.col).sort((a, b) => a - b);
+    const cols = onRunning.map((x) => x.col);
+
+    assert.equal(limits.length, 2, 'there must be exactly two Limits signs');
+    assert.equal(limits[0], Math.min(...cols), 'the west sign must be the westernmost card');
+    assert.equal(limits[1], Math.max(...cols), 'the east sign must be the easternmost card');
+  });
+});
+
+describe("a train is made up to its card's consist (§8.2)", () => {
+  it('takes a caboose when the card calls for one, and refuses a fourth freight car', () => {
+    // Train 9 "Heavy Freight" is freight 3 + caboose 1. It was being made up with FOUR hoppers and
+    // no caboose, because placeCar checked only MAX_CONSIST and yard availability.
+    const s = game();
+    s.clock.phase = 'newTrain';
+    s.trays.set('t', {
+      id: 't', trainNumber: 9, trainIsExtra: false, engineFront: true,
+      consist: [], direction: 'west', position: { at: 'divisionPoint', side: 'east' }, movesUsed: 0,
+    });
+
+    for (let n = 0; n < 3; n++) {
+      const r = applyIntent(s, 0, { type: 'newTrain.placeCar', trayId: 't', carType: 'hopper', loaded: true });
+      assert.ok(r.ok, `hopper ${n + 1} of 3 should be accepted`);
+    }
+    assert.equal(
+      check(s, 0, { type: 'newTrain.placeCar', trayId: 't', carType: 'hopper', loaded: true }),
+      'NO_SUITABLE_CAR',
+      'a fourth freight car exceeds the card',
+    );
+    assert.equal(
+      check(s, 0, { type: 'newTrain.placeCar', trayId: 't', carType: 'coach', loaded: true }),
+      'NO_SUITABLE_CAR',
+      'this card carries no coaches',
+    );
+    assert.equal(
+      check(s, 0, { type: 'newTrain.placeCar', trayId: 't', carType: 'caboose', loaded: true }),
+      null,
+      'the card calls for a caboose',
+    );
+  });
+
+  it('couples nothing behind the caboose', () => {
+    // §A.3 — the caboose rides last.
+    const s = game();
+    s.clock.phase = 'newTrain';
+    s.trays.set('t', {
+      id: 't', trainNumber: 9, trainIsExtra: false, engineFront: true,
+      consist: [{ type: 'caboose', loaded: true }],
+      direction: 'west', position: { at: 'divisionPoint', side: 'east' }, movesUsed: 0,
+    });
+    assert.equal(
+      check(s, 0, { type: 'newTrain.placeCar', trayId: 't', carType: 'hopper', loaded: true }),
+      'NO_SUITABLE_CAR',
+    );
+  });
+});