fix(chase): align endgame text and round transition semantics

Made-with: Cursor

src/stages/page_chase.ts

@@ -452,7 +452,7 @@ export default class ChaseScene extends BaseScene {
       return;
     }
 
-    this.resultText.text = loseReason === "trapped" ? "无路可走" : "被抓住";
+    this.resultText.text = loseReason === "trapped" ? "你已无路可走" : "你被抓住了";
     this.restartButton.visible = false;
     this.retryButton.visible = true;
     this.newGameButton.visible = true;

tests/chase/chaseModel.test.ts

@@ -173,6 +173,23 @@ describe("chase game model", () => {
     expect(mockedGenerateChaseRound).toHaveBeenCalledTimes(1);
   });
 
+  it("retryRound keeps exactly same graph and start positions", () => {
+    mockedGenerateChaseRound.mockReturnValueOnce(makeRound(88, "normal"));
+    const model = ChaseGameModel.createWithSeed({ seed: 88, difficulty: "normal" });
+    const initial = model.getState().snapshot;
+
+    model.moveThief("A");
+    model.retryRound();
+    const retried = model.getState().snapshot;
+
+    expect(retried.graph).toEqual(initial.graph);
+    expect(retried.thiefStartNodeId).toBe(initial.thiefStartNodeId);
+    expect(retried.guardStartNodeId).toBe(initial.guardStartNodeId);
+    expect(retried.exitNodeId).toBe(initial.exitNodeId);
+    expect(retried.thiefNodeId).toBe(initial.thiefNodeId);
+    expect(retried.guardNodeId).toBe(initial.guardNodeId);
+  });
+
   it("newRound switches seed/difficulty and keeps winCount", () => {
     mockedGenerateChaseRound
       .mockReturnValueOnce(makeRound(55, "easy"))
@@ -204,6 +221,29 @@ describe("chase game model", () => {
     expect(state.snapshot.difficulty).toBe("easy");
   });
 
+  it("newRound with new seed produces a new round snapshot", () => {
+    const base = makeRound(300, "normal");
+    const next = makeRound(301, "normal");
+    next.snapshot.graph.nodes.E = { id: "E", q: 4, r: 0, neighbors: [] };
+    next.snapshot.thiefStartNodeId = "A";
+    next.snapshot.guardStartNodeId = "C";
+    next.snapshot.exitNodeId = "D";
+    next.snapshot.thiefNodeId = "A";
+    next.snapshot.guardNodeId = "C";
+
+    mockedGenerateChaseRound.mockReturnValueOnce(base).mockReturnValueOnce(next);
+    const model = ChaseGameModel.createWithSeed({ seed: 300, difficulty: "normal" });
+    const before = model.getState().snapshot;
+
+    model.newRound(301, "normal");
+    const after = model.getState().snapshot;
+
+    expect(after.seed).toBe(301);
+    expect(after).not.toEqual(before);
+    expect(Object.keys(after.graph.nodes)).toContain("E");
+    expect(after.thiefStartNodeId).toBe("A");
+  });
+
   it("retryRound resets rng so same move sequence is reproducible", () => {
     const easyRound = {
       snapshot: {

tests/stages/page_chase.test.ts

@@ -295,6 +295,7 @@ describe("chase stage skeleton", () => {
       model: { getState, moveThief: vi.fn(), newRound, retryRound: vi.fn() } as any,
     });
     void (scene as any).onSceneLayout();
+    (scene as any).difficultyButtons.hard.emit("pointerdown");
 
     expect((scene as any).resultOverlay.visible).toBe(true);
     expect((scene as any).resultText.text).toContain("成功逃脱");
@@ -302,6 +303,7 @@ describe("chase stage skeleton", () => {
     (scene as any).restartButton.emit("pointerdown");
     (scene as any).restartButton.emit("pointerdown");
     expect(newRound).toHaveBeenCalledTimes(1);
+    expect(newRound.mock.calls[0][1]).toBe("hard");
   });
 
   it("shows lose overlay and retry/new buttons call correct model methods", () => {
@@ -324,7 +326,7 @@ describe("chase stage skeleton", () => {
       } as any,
     });
     void (retryScene as any).onSceneLayout();
-    expect((retryScene as any).resultText.text).toContain("无路可走");
+    expect((retryScene as any).resultText.text).toContain("你已无路可走");
     (retryScene as any).retryButton.emit("pointerdown");
     (retryScene as any).retryButton.emit("pointerdown");
     expect(retryRound).toHaveBeenCalledTimes(1);
@@ -339,8 +341,10 @@ describe("chase stage skeleton", () => {
       } as any,
     });
     void (newGameScene as any).onSceneLayout();
+    (newGameScene as any).difficultyButtons.easy.emit("pointerdown");
     (newGameScene as any).newGameButton.emit("pointerdown");
     (newGameScene as any).newGameButton.emit("pointerdown");
     expect(newRound).toHaveBeenCalledTimes(1);
+    expect(newRound.mock.calls[0][1]).toBe("easy");
   });
 });