feat: recreate Prestige tab with insight upgrades, memories, pacts, and loop reset

src/components/game/tabs/PrestigeTab.test.ts

@@ -0,0 +1,97 @@
+import { describe, it, expect } from 'vitest';
+
+// ─── Test: PrestigeTab barrel export ───────────────────────────────────────────
+
+describe('PrestigeTab module structure', () => {
+  it('exports PrestigeTab from barrel index', async () => {
+    const mod = await import('./PrestigeTab');
+    expect(mod.PrestigeTab).toBeDefined();
+    expect(typeof mod.PrestigeTab).toBe('function');
+  });
+
+  it('PrestigeTab has correct displayName', async () => {
+    const { PrestigeTab } = await import('./PrestigeTab');
+    expect(PrestigeTab.displayName).toBe('PrestigeTab');
+  });
+});
+
+// ─── Test: Barrel export includes PrestigeTab ──────────────────────────────────
+
+describe('Tab barrel export', () => {
+  it('includes PrestigeTab in the tabs index', async () => {
+    const mod = await import('@/components/game/tabs');
+    expect(mod.PrestigeTab).toBeDefined();
+    expect(typeof mod.PrestigeTab).toBe('function');
+  });
+});
+
+// ─── Test: Prestige upgrade definitions ────────────────────────────────────────
+
+describe('Prestige upgrade definitions', () => {
+  it('has exactly 14 prestige upgrades', async () => {
+    const { PRESTIGE_DEF } = await import('@/lib/game/constants/prestige');
+    expect(Object.keys(PRESTIGE_DEF).length).toBe(14);
+  });
+
+  it('all upgrades have required fields', async () => {
+    const { PRESTIGE_DEF } = await import('@/lib/game/constants/prestige');
+    for (const [id, def] of Object.entries(PRESTIGE_DEF)) {
+      expect(def.name).toBeTruthy();
+      expect(def.desc).toBeTruthy();
+      expect(def.max).toBeGreaterThan(0);
+      expect(def.cost).toBeGreaterThan(0);
+    }
+  });
+
+  it('all 14 expected upgrade IDs are present', async () => {
+    const { PRESTIGE_DEF } = await import('@/lib/game/constants/prestige');
+    const expectedIds = [
+      'manaWell', 'manaFlow', 'deepMemory', 'insightAmp', 'spireKey',
+      'temporalEcho', 'steadyHand', 'ancientKnowledge', 'elementalAttune',
+      'spellMemory', 'guardianPact', 'quickStart', 'elemStart',
+      'unlockedManaTypeCapacity',
+    ];
+    for (const id of expectedIds) {
+      expect(PRESTIGE_DEF[id]).toBeDefined();
+    }
+  });
+
+  it('upgrade costs are positive integers', async () => {
+    const { PRESTIGE_DEF } = await import('@/lib/game/constants/prestige');
+    for (const def of Object.values(PRESTIGE_DEF)) {
+      expect(Number.isInteger(def.cost)).toBe(true);
+      expect(def.cost).toBeGreaterThan(0);
+    }
+  });
+
+  it('upgrade max levels are positive integers', async () => {
+    const { PRESTIGE_DEF } = await import('@/lib/game/constants/prestige');
+    for (const def of Object.values(PRESTIGE_DEF)) {
+      expect(Number.isInteger(def.max)).toBe(true);
+      expect(def.max).toBeGreaterThan(0);
+    }
+  });
+});
+
+// ─── Test: Prestige store shape ────────────────────────────────────────────────
+
+describe('Prestige store', () => {
+  it('usePrestigeStore is importable', async () => {
+    const mod = await import('@/lib/game/stores');
+    expect(mod.usePrestigeStore).toBeDefined();
+    expect(typeof mod.usePrestigeStore).toBe('function');
+  });
+});
+
+// ─── Test: File size limit ─────────────────────────────────────────────────────
+
+describe('File size limits (400 lines max)', () => {
+  it('PrestigeTab.tsx is under 400 lines', async () => {
+    const fs = await import('fs');
+    const path = await import('path');
+    const filePath = path.join(__dirname, 'PrestigeTab.tsx');
+    const content = fs.readFileSync(filePath, 'utf-8');
+    const lines = content.split('\n').length;
+    expect(lines).toBeLessThan(400);
+  });
+});