chore: raise runestone base cap to 100

apps/api/src/services/prestige.ts

@@ -23,9 +23,9 @@ const milestoneRunestonesPerInterval = 25;
 /*
  * Hard cap on the base runestone yield (before multipliers) to prevent
  * extreme AFK accumulation from producing game-breaking runestone counts.
- * With all upgrades (5.625× max) this caps out at ~281 per prestige.
+ * With all upgrades (5.625× max) this caps out at ~562 per prestige.
  */
-const maxBaseRunestones = 50;
+const maxBaseRunestones = 100;
 
 /**
  * Calculates the gold threshold required for the next prestige.

apps/api/test/services/prestige.spec.ts

@@ -117,9 +117,9 @@ describe("calculateRunestones", () => {
   });
 
   it("caps base runestones before multipliers", () => {
-    // cbrt(300_000_000 / 1_000_000) = cbrt(300) ≈ 6.67 → floor = 6 → 6 × 10 = 60, capped at 50
-    const result = calculateRunestones({ totalGoldEarned: 300_000_000, prestigeCount: 0, purchasedUpgradeIds: [] });
-    expect(result).toBe(50);
+    // cbrt(1_331_000_000 / 1_000_000) = cbrt(1331) = 11 → 11 × 10 = 110, capped at 100
+    const result = calculateRunestones({ totalGoldEarned: 1_331_000_000, prestigeCount: 0, purchasedUpgradeIds: [] });
+    expect(result).toBe(100);
   });
 });