Saisie du coup : pion à destination unique, validation, Annuler, dés estompés, videau confirmé

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/tests/ui.test.ts

@@ -12,7 +12,14 @@ import type { BoardSide } from "../src/domain/game/engine.js";
 import { appendEvent, EMPTY_JOURNAL } from "../src/domain/game/events.js";
 import { parseHalfMoves, START_POSITION } from "../src/domain/game/position.js";
 import { createGameStore } from "../src/storage/game-store.js";
-import { boardModel, moveTargets, moveTrace, placeOf, pointSlot } from "../src/ui/board-model.js";
+import {
+    boardModel,
+    moveTargets,
+    moveTrace,
+    onlyHalfMove,
+    placeOf,
+    pointSlot,
+} from "../src/ui/board-model.js";
 import { parseFeature, parseGlossaryEntry, parseGlossaryIndex } from "../src/ui/help-text.js";
 import { TEXTS } from "../src/ui/texts.js";
 
@@ -65,6 +72,11 @@ test("les demi-coups possibles donnent les pions jouables et leurs cases d'arriv
     assert.deepEqual([...targets.keys()], ["p8", "bar-player", "p3"]);
     assert.deepEqual([...(targets.get("p8")?.keys() ?? [])], ["p5", "p7"]);
     assert.deepEqual(targets.get("p3")?.get("off-player"), { from: 3, to: 0 });
+    // Un seul toucher suffit pour un pion à destination unique.
+    assert.deepEqual(onlyHalfMove(targets, "p3"), { from: 3, to: 0 });
+    assert.deepEqual(onlyHalfMove(targets, "bar-player"), { from: 25, to: 22 });
+    assert.equal(onlyHalfMove(targets, "p8"), null);
+    assert.equal(onlyHalfMove(targets, "p13"), null);
 });
 
 test("traces d'un coup simple : une flèche par demi-coup, départs et arrivées", () => {