fix: recovery room 10× regen/conversion multiplier double-counting bug

src/lib/game/stores/gameStore.ts

@@ -274,13 +274,18 @@ export const useGameStore = create<GameCoordinatorStore>()(
             const roomType = ctx.combat.currentRoom?.roomType;
             if (roomType === 'library' || roomType === 'recovery' || roomType === 'treasure' || roomType === 'puzzle') {
               if (roomType === 'recovery') {
+                // Recovery room grants 10× regen/conversion multiplier.
+                // Normal regen was already applied above, so we apply only
+                // the delta (9× additional) to avoid double-counting.
                 const boostedRegen = baseRegen * 10;
                 const netBoostedRegen = Math.max(0, boostedRegen * (1 - incursionStrength) * meditationMultiplier - conversionResult.totalRawDrain);
-                rawMana = Math.min(rawMana + netBoostedRegen * HOURS_PER_TICK, maxMana);
+                const regenDelta = netBoostedRegen - netRawRegen;
+                rawMana = Math.min(rawMana + regenDelta * HOURS_PER_TICK, maxMana);
                 for (const [elem, entry] of Object.entries(conversionResult.rates)) {
                   if (entry.paused || entry.finalRate <= 0 || !elements[elem]) continue;
                   if (!elements[elem].unlocked) elements[elem] = { ...elements[elem], unlocked: true };
-                  elements[elem] = { ...elements[elem], current: Math.min(elements[elem].max, elements[elem].current + entry.finalRate * 10 * HOURS_PER_TICK) };
+                  // Normal conversion already applied above; add only the 9× delta
+                  elements[elem] = { ...elements[elem], current: Math.min(elements[elem].max, elements[elem].current + entry.finalRate * 9 * HOURS_PER_TICK) };
                 }
               }
               useCombatStore.getState().tickNonCombatRoom(HOURS_PER_TICK);