Add ethereal keyword to endTurn

src/state.js

@@ -201,10 +201,24 @@ export function endTurn(state, playerIndex) {
   // endTurn(state, playerIndex) — new form: marks one player done
   if (playerIndex === undefined) {
     const player = state.players[0];
+    const retained = [];
+    const exhausted = [];
+    const discarded = [];
+    for (const cardId of player.hand) {
+      const card = getCard(cardId);
+      if (card.keywords?.includes("retain")) {
+        retained.push(cardId);
+      } else if (card.keywords?.includes("ethereal")) {
+        exhausted.push(cardId);
+      } else {
+        discarded.push(cardId);
+      }
+    }
     const updatedPlayer = {
       ...player,
-      hand: [],
+      hand: retained,
-      discardPile: [...player.discardPile, ...player.hand],
+      discardPile: [...player.discardPile, ...discarded],
+      exhaustPile: [...player.exhaustPile, ...exhausted],
     };
     const players = state.players.map((p, i) => (i === 0 ? updatedPlayer : p));
     return {
@@ -218,10 +232,24 @@ export function endTurn(state, playerIndex) {
   if (state.combat.playersReady.includes(playerIndex)) return state;
 
   const player = state.players[playerIndex];
+  const retained = [];
+  const exhausted = [];
+  const discarded = [];
+  for (const cardId of player.hand) {
+    const card = getCard(cardId);
+    if (card.keywords?.includes("retain")) {
+      retained.push(cardId);
+    } else if (card.keywords?.includes("ethereal")) {
+      exhausted.push(cardId);
+    } else {
+      discarded.push(cardId);
+    }
+  }
   const updatedPlayer = {
     ...player,
-    hand: [],
+    hand: retained,
-    discardPile: [...player.discardPile, ...player.hand],
+    discardPile: [...player.discardPile, ...discarded],
+    exhaustPile: [...player.exhaustPile, ...exhausted],
   };
   const players = state.players.map((p, i) =>
     i === playerIndex ? updatedPlayer : p,

src/state.test.js

@@ -337,6 +337,22 @@ describe("playCard - exhaust", () => {
   });
 });
 
+describe("endTurn - ethereal", () => {
+  test("ethereal cards in hand exhaust at end of turn", () => {
+    let state = createCombatState("ironclad", "jaw_worm");
+    const player = {
+      ...state.player,
+      hand: ["strike_r", "carnage", "defend_r"],
+    };
+    state = { ...state, player, players: [player] };
+    const next = endTurn(state);
+    expect(next.player.exhaustPile).toContain("carnage");
+    expect(next.player.discardPile).toContain("strike_r");
+    expect(next.player.discardPile).toContain("defend_r");
+    expect(next.player.hand).toHaveLength(0);
+  });
+});
+
 describe("playCard - unplayable", () => {
   test("unplayable card cannot be played", () => {
     let state = createCombatState("ironclad", "jaw_worm");