fix: meditation multiplier cap 2.5x, discipline reactivation, Spire crash, earthShard recipe, fabricator E2E test

src/components/game/tabs/DisciplinesTab.tsx

@@ -89,7 +89,7 @@ export const DisciplinesTab: React.FC = () => {
 
   const handleToggle = useCallback((id: string, paused: boolean) => {
     if (paused) {
-      activate(id, { elements, signedPacts });
+      activate(id, { elements, signedPacts, rawMana });
     } else {
       deactivate(id);
     }

src/components/game/tabs/SpireCombatPage/SpireCombatPage.tsx

@@ -102,12 +102,30 @@ export function SpireCombatPage() {
     insight: s.insight,
   })));
 
-  const equippedInstances = useCraftingStore((s) => s.equippedInstances);
-  const equipmentInstances = useCraftingStore((s) => s.equipmentInstances);
+  const { equippedInstances, equipmentInstances } = useCraftingStore(useShallow((s) => ({
+    equippedInstances: s.equippedInstances,
+    equipmentInstances: s.equipmentInstances,
+  })));
 
   const { maxMana, baseRegen } = useSpireStats(prestigeUpgrades, equippedInstances, equipmentInstances);
 
-  const totalRooms = useMemo(() => getRoomsForFloor(currentFloor), [currentFloor]);
+  // Use a deterministic seed based on floor to avoid Math.random() causing
+  // referential instability and infinite re-render loops.
+  const seededRandom = useMemo(() => {
+    let seed = currentFloor * 12345;
+    return () => {
+      seed = (seed * 16807 + 0) % 2147483647;
+      return (seed - 1) / 2147483646;
+    };
+  }, [currentFloor]);
+  const totalRooms = useMemo(() => {
+    if (isGuardianFloor(currentFloor)) return 1;
+    const base = 5;
+    const range = 10;
+    const floorBonus = Math.min(range, Math.floor(currentFloor / 20));
+    const randomVariation = Math.floor(seededRandom() * 3);
+    return base + floorBonus + randomVariation;
+  }, [currentFloor, seededRandom]);
 
   useEffect(() => {
     setRoomsCleared(0);

src/lib/game/__tests__/computed-stats.test.ts

@@ -237,16 +237,16 @@ describe('getMeditationBonus', () => {
   });
 
   it('should follow continuous ramp formula', () => {
-    // At 4 hours: 1 + (4/8)*4 = 3.0
+    // At 4 hours: 1 + (4/8)*4 = 3.0, but capped at 2.5
     const ticksFor4Hours = 4 / 0.04;
     const result = getMeditationBonus(ticksFor4Hours);
-    expect(result).toBeCloseTo(3.0, 5);
+    expect(result).toBeCloseTo(2.5, 5);
   });
 
-  it('should cap at 5.0', () => {
+  it('should cap at 2.5', () => {
     const ticksFor8Hours = 8 / 0.04;
     const result = getMeditationBonus(ticksFor8Hours);
-    expect(result).toBeCloseTo(5.0, 5);
+    expect(result).toBeCloseTo(2.5, 5);
   });
 });
 

src/lib/game/__tests__/mana-utils.test.ts

@@ -173,11 +173,11 @@ describe('getMeditationBonus', () => {
     expect(result).toBeCloseTo(2.0, 5);
   });
 
-  it('should cap at 5.0 with no discipline bonus', () => {
-    // At 8+ hours: cap at 5.0
+  it('should cap at 2.5 with no discipline bonus', () => {
+    // At 3+ hours: cap at 2.5
     const ticksFor8Hours = 8 / HOURS_PER_TICK;
     const result = getMeditationBonus(ticksFor8Hours);
-    expect(result).toBeCloseTo(5.0, 5);
+    expect(result).toBeCloseTo(2.5, 5);
   });
 
   it('should ramp linearly: 1 hour → 1.5', () => {
@@ -194,12 +194,12 @@ describe('getMeditationBonus', () => {
   });
 
   it('should respect discipline meditation cap bonus', () => {
-    // With +3.5 discipline cap, max = 8.5
-    // Need more than 8 hours for the higher cap to matter
-    // At 16 hours without cap: 1 + (16/8)*4 = 9.0, capped to 8.5
+    // With +3.5 discipline cap, max = 6.0
+    // Need more than 3 hours for the higher cap to matter
+    // At 16 hours without cap: 1 + (16/8)*4 = 9.0, capped to 6.0
     const ticksFor16Hours = 16 / HOURS_PER_TICK;
     const result = getMeditationBonus(ticksFor16Hours, 1, 3.5);
-    expect(result).toBeCloseTo(8.5, 5);
+    expect(result).toBeCloseTo(6.0, 5);
   });
 });
 

src/lib/game/data/fabricator-material-recipes.ts

@@ -164,6 +164,22 @@ export const MATERIAL_RECIPES: FabricatorRecipe[] = [
     resultMaterial: 'crystalCrystal',
     resultAmount: 1,
   },
+  {
+    id: 'earthShardCraft',
+    name: 'Earth Shard',
+    description: 'Grind an Earth Attuned Crystal into a shard. Used for earth equipment crafting.',
+    manaType: 'earth',
+    equipmentTypeId: 'basicStaff',
+    slot: 'mainHand',
+    materials: { earthCrystal: 1 },
+    manaCost: 50,
+    craftTime: 1,
+    rarity: 'common',
+    gearTrait: 'Produces 1 Earth Shard',
+    recipeType: 'material',
+    resultMaterial: 'earthShard',
+    resultAmount: 1,
+  },
   {
     id: 'elementalCore',
     name: 'Elemental Core',

src/lib/game/utils/mana-utils.ts

@@ -121,8 +121,8 @@ export function getMeditationBonus(
 ): number {
   const hours = meditateTicks * HOURS_PER_TICK;
 
-  // Continuous ramp: 1 + (hours / 8) * 4, capped at 5.0 + disciplineMeditationCap
-  const maxMultiplier = 5.0 + disciplineMeditationCap;
+  // Continuous ramp: 1 + (hours / 8) * 4, capped at 2.5 + disciplineMeditationCap
+  const maxMultiplier = 2.5 + disciplineMeditationCap;
   const bonus = Math.min(1 + (hours / 8) * 4, maxMultiplier);
 
   // Apply meditation efficiency from upgrades