chore: golemancy redesign cleanup — remove orphaned legacy code and update docs

src/lib/game/data/golems/golemancy-data.test.ts

@@ -14,6 +14,7 @@ import {
   createActiveGolem,
 } from '@/lib/game/data/golems/utils';
 import type { GolemDesign } from '@/lib/game/data/golems/types';
+import type { RuntimeActiveGolem } from '@/lib/game/types';
 
 // ─── Helper ───────────────────────────────────────────────────────────────────
 
@@ -274,9 +275,9 @@ describe('canAffordGolemDesign', () => {
 // ─── Active Golem Creation ────────────────────────────────────────────────────
 
 describe('createActiveGolem', () => {
-  it('creates active golem with correct initial state', () => {
+  it('creates RuntimeActiveGolem with correct initial state', () => {
     const design = makeDesign('basic', 'earth', 'simple');
-    const active = createActiveGolem(design, 5);
+    const active = createActiveGolem(design, 5) as RuntimeActiveGolem;
 
     expect(active.designId).toBe(design.id);
     expect(active.summonedFloor).toBe(5);
@@ -288,7 +289,7 @@ describe('createActiveGolem', () => {
 
   it('guardian golem starts with full mana', () => {
     const design = makeDesign('guardian', 'crystalSteelHybrid', 'guardian');
-    const active = createActiveGolem(design, 10);
+    const active = createActiveGolem(design, 10) as RuntimeActiveGolem;
 
     expect(active.currentMana).toBe(500);
     expect(active.roomsRemaining).toBe(8);