refactor: cleanup codebase — remove hydration guards, extract constants, fix bugs

src/components/game/tabs/AchievementsTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useMemo, useEffect } from 'react';
+import { useState, useMemo } from 'react';
 import { useCombatStore } from '@/lib/game/stores';
 import {
   ACHIEVEMENTS,
@@ -164,14 +164,8 @@ function CategorySection({
 
 export function AchievementsTab() {
   const achievements = useCombatStore((s) => s.achievements);
-  const [mounted, setMounted] = useState(false);
   const [collapsedCategories, setCollapsedCategories] = useState<Record<string, boolean>>({});
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const byCategory = useMemo(() => getAchievementsByCategory(), []);
   const categories = useMemo(
     () => Object.keys(byCategory).sort(),
@@ -188,14 +182,6 @@ export function AchievementsTab() {
     }));
   };
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading achievements…
-      </div>
-    );
-  }
-
   return (
     <DebugName name="AchievementsTab">
       <div className="space-y-4">

src/components/game/tabs/AttunementsTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect } from 'react';
+import { useState } from 'react';
 import { useAttunementStore } from '@/lib/game/stores';
 import { ATTUNEMENTS_DEF, ATTUNEMENT_SLOT_NAMES, getAttunementXPForLevel, MAX_ATTUNEMENT_LEVEL } from '@/lib/game/data/attunements';
 import type { AttunementDef, AttunementState } from '@/lib/game/types';
@@ -157,24 +157,10 @@ function AttunementCard({ def, state }: AttunementCardProps) {
 
 export function AttunementsTab() {
   const attunements = useAttunementStore((s) => s.attunements);
-  const [mounted, setMounted] = useState(false);
-
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
 
   const allDefs = Object.values(ATTUNEMENTS_DEF);
   const unlockedCount = allDefs.filter((d) => isAttunementUnlocked(d.id, attunements)).length;
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading attunements…
-      </div>
-    );
-  }
-
   return (
     <DebugName name="AttunementsTab">
       <div className="space-y-4">

src/components/game/tabs/DisciplinesTab.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState, useCallback } from 'react';
+import React, { useState, useCallback } from 'react';
 import { useDisciplineStore } from '@/lib/game/stores/discipline-slice';
 import type { DisciplineDefinition } from '@/lib/game/types/disciplines';
 import type { ManaType } from '@/lib/game/types/elements';
@@ -201,14 +201,8 @@ export const DisciplinesTab: React.FC = () => {
   const activate = useDisciplineStore((s) => s.activate);
   const deactivate = useDisciplineStore((s) => s.deactivate);
 
-  const [mounted, setMounted] = useState(false);
   const [activeAttunement, setActiveAttunement] = useState<string>('base');
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const handleToggle = useCallback((id: string, paused: boolean) => {
     if (paused) {
       activate(id);
@@ -217,14 +211,6 @@ export const DisciplinesTab: React.FC = () => {
     }
   }, [activate, deactivate]);
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading disciplines…
-      </div>
-    );
-  }
-
   const activeTab = ATTUNEMENT_TABS.find((t) => t.key === activeAttunement);
 
   return (

src/components/game/tabs/EquipmentTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect, useCallback, useMemo } from 'react';
+import { useState, useCallback, useMemo } from 'react';
 import { useCraftingStore } from '@/lib/game/stores/craftingStore';
 import type { EquipmentSlot } from '@/lib/game/types';
 import { DebugName } from '@/components/game/debug/debug-context';
@@ -9,19 +9,12 @@ import { InventoryList } from './EquipmentTab/InventoryList';
 import { EquipmentEffectsSummary } from './EquipmentTab/EquipmentEffectsSummary';
 
 export function EquipmentTab() {
-  const [mounted, setMounted] = useState(false);
-
   const equippedInstances = useCraftingStore((s) => s.equippedInstances);
   const equipmentInstances = useCraftingStore((s) => s.equipmentInstances);
   const storeEquipItem = useCraftingStore((s) => s.equipItem);
   const storeUnequipItem = useCraftingStore((s) => s.unequipItem);
   const storeDeleteEquipment = useCraftingStore((s) => s.deleteEquipmentInstance);
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const handleEquip = useCallback(
     (instanceId: string, slot: EquipmentSlot): boolean => {
       return storeEquipItem(instanceId, slot);
@@ -51,14 +44,6 @@ export function EquipmentTab() {
     [equipmentInstances, equippedInstances]
   );
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-[var(--text-muted)]">
-        Loading equipment…
-      </div>
-    );
-  }
-
   return (
     <DebugName name="EquipmentTab">
       <div className="space-y-6">

src/components/game/tabs/GolemancyTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useState, useEffect, useCallback, useMemo } from 'react';
+import React, { useState, useCallback, useMemo } from 'react';
 import { useShallow } from 'zustand/react/shallow';
 import { useCombatStore } from '@/lib/game/stores/combatStore';
 import { useAttunementStore } from '@/lib/game/stores/attunementStore';
@@ -197,7 +197,6 @@ GolemCard.displayName = 'GolemCard';
 // ─── Main Tab ────────────────────────────────────────────────────────────────
 
 export const GolemancyTab: React.FC = () => {
-  const [mounted, setMounted] = useState(false);
   const [activeTier, setActiveTier] = useState<string>('base');
 
   const { golemancy, toggleGolem } = useCombatStore(useShallow(s => ({
@@ -210,11 +209,6 @@ export const GolemancyTab: React.FC = () => {
     elements: s.elements,
   })));
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   // Build attunement lookup for isGolemUnlocked
   const attunementLookup = useMemo(() => {
     const lookup: Record<string, { active: boolean; level: number }> = {};
@@ -254,14 +248,6 @@ export const GolemancyTab: React.FC = () => {
   const golemSlots = getGolemSlots(fabricatorLevel);
   const enabledCount = golemancy.enabledGolems.length;
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading golemancy…
-      </div>
-    );
-  }
-
   const activeTierGolems = golemsByTier[activeTier] ?? [];
 
   return (

src/components/game/tabs/GuardianPactsTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useState, useEffect, useMemo, useCallback } from 'react';
+import React, { useState, useMemo, useCallback } from 'react';
 import { useShallow } from 'zustand/react/shallow';
 import { usePrestigeStore } from '@/lib/game/stores/prestigeStore';
 import { useManaStore } from '@/lib/game/stores/manaStore';
@@ -53,7 +53,6 @@ function groupFloorsByTier(floors: number[]): FloorTier[] {
 // ─── Main Tab ────────────────────────────────────────────────────────────────
 
 export const GuardianPactsTab: React.FC = () => {
-  const [mounted, setMounted] = useState(false);
   const [activeTier, setActiveTier] = useState<string>('all');
 
   const {
@@ -75,11 +74,6 @@ export const GuardianPactsTab: React.FC = () => {
   const rawMana = useManaStore(s => s.rawMana);
   const addLog = useUIStore(s => s.addLog);
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const guardianFloors = useMemo(
     () => getAllGuardianFloors(),
     [],
@@ -126,14 +120,6 @@ export const GuardianPactsTab: React.FC = () => {
     return boonMap;
   }, [signedPacts]);
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading guardian pacts…
-      </div>
-    );
-  }
-
   return (
     <DebugName name="GuardianPactsTab">
       <div className="space-y-4">

src/components/game/tabs/PrestigeTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useCallback } from 'react';
 import { useShallow } from 'zustand/react/shallow';
 import { usePrestigeStore, useGameStore } from '@/lib/game/stores';
 import { PRESTIGE_DEF } from '@/lib/game/constants/prestige';
@@ -186,8 +186,6 @@ function ResetLoopSection({ loopInsight, onReset }: { loopInsight: number; onRes
 // ─── Main Component ───────────────────────────────────────────────────────────
 
 export function PrestigeTab() {
-  const [mounted, setMounted] = useState(false);
-
   const {
     insight,
     totalInsight,
@@ -212,11 +210,6 @@ export function PrestigeTab() {
 
   const startNewLoop = useGameStore((s) => s.startNewLoop);
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const handlePurchase = useCallback((id: string) => {
     doPrestige(id);
   }, [doPrestige]);
@@ -225,14 +218,6 @@ export function PrestigeTab() {
     startNewLoop();
   }, [startNewLoop]);
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading prestige…
-      </div>
-    );
-  }
-
   const upgradeEntries = Object.entries(PRESTIGE_DEF);
 
   return (

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

@@ -71,7 +71,7 @@ function EnemyRow({ enemy }: { enemy: EnemyState }) {
   );
 }
 
-export function RoomDisplay({ floorState, _floor }: RoomDisplayProps) {
+export function RoomDisplay({ floorState }: RoomDisplayProps) {
   // Guard against null/undefined/stale floorState
   if (!floorState || !floorState.roomType) {
     return (

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

@@ -47,7 +47,6 @@ function useSpireStats(prestigeUpgrades: Record<string, number>, equippedInstanc
 // ─── Main Component ───────────────────────────────────────────────────────────
 
 export function SpireCombatPage() {
-  const [mounted, setMounted] = useState(false);
   const [roomsCleared, setRoomsCleared] = useState(0);
 
   const {
@@ -104,8 +103,6 @@ export function SpireCombatPage() {
   const totalRooms = useMemo(() => getRoomsForFloor(currentFloor), [currentFloor]);
 
   useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
     setRoomsCleared(0);
     const newRoom = generateSpireFloorState(currentFloor, 0, totalRooms);
     setCurrentRoom(newRoom);
@@ -166,14 +163,6 @@ export function SpireCombatPage() {
     addActivityLog('floor_transition', '🚪 Exited the Spire.');
   };
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center min-h-screen text-gray-500">
-        Loading spire...
-      </div>
-    );
-  }
-
   return (
     <div className="min-h-screen bg-gray-950 flex flex-col">
       <header className="sticky top-0 z-50 bg-gray-900/95 border-b border-gray-800 px-4 py-2">

src/components/game/tabs/SpireSummaryTab.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect, useMemo } from 'react';
+import { useState, useMemo } from 'react';
 import { useShallow } from 'zustand/react/shallow';
 import { useCombatStore, usePrestigeStore, fmt } from '@/lib/game/stores';
 import { ELEMENT_OPPOSITES, FLOOR_ELEM_CYCLE } from '@/lib/game/constants';
@@ -311,8 +311,6 @@ function GuardianRosterItem({ floor, guardian, isDefeated }: { floor: number; gu
 // ─── Main Component ───────────────────────────────────────────────────────────
 
 export function SpireSummaryTab() {
-  const [mounted, setMounted] = useState(false);
-
   const {
     maxFloorReached,
     clearedFloors,
@@ -327,11 +325,6 @@ export function SpireSummaryTab() {
     insight: s.insight,
   })));
 
-  useEffect(() => {
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setMounted(true);
-  }, []);
-
   const defeatedGuardians = useMemo(() => {
     return GUARDIAN_FLOORS.filter((floor) => clearedFloors[floor]);
   }, [clearedFloors]);
@@ -346,14 +339,6 @@ export function SpireSummaryTab() {
     return Object.values(clearedFloors).filter(Boolean).length;
   }, [clearedFloors]);
 
-  if (!mounted) {
-    return (
-      <div className="flex items-center justify-center p-8 text-gray-500">
-        Loading spire data…
-      </div>
-    );
-  }
-
   return (
     <DebugName name="SpireSummaryTab">
       <div className="space-y-4">