feat: vampire tick engine, auto systems, and full test suite

- vampire blood production tick with thrall bloodPerSecond + multipliers
- auto-quest and auto-thrall purchase in tick engine
- computeVampireBloodPerSecond helper exposed for ResourceBar display
- ResourceBar now shows blood/s and currency balances for vampire mode
- vampire quests and thralls panels gain auto-toggle buttons
- About page updated with vampire mode how-to-play entries
- vampireEquipmentSets data file added to web
- 100% test coverage across all API routes and services:
  - siring, awakening, vampireBoss, vampireCraft, vampireExplore, vampireUpgrade
  - debug route now covers grant-apotheosis endpoint
  - vampireMaterials excluded from coverage (ID-referenced only, same as goddessMaterials)

apps/web/src/components/game/vampireThrallsPanel.tsx

@@ -198,7 +198,7 @@ const ThrallCard = ({
  * @returns The JSX element.
  */
 const VampireThrallsPanel = (): JSX.Element => {
-  const { state, formatNumber } = useGame();
+  const { state, formatNumber, toggleVampireAutoThrall } = useGame();
   const [ selectedBatch, setSelectedBatch ] = useState<BatchSize>(() => {
     return parseBatchSize(localStorage.getItem("elysium_thrall_batch"));
   });
@@ -221,7 +221,8 @@ const VampireThrallsPanel = (): JSX.Element => {
   }
 
   const blood = state.resources.blood ?? 0;
-  const { thralls } = vampireState;
+  const { thralls, autoThrall } = vampireState;
+  const autoThrallOn = autoThrall === true;
 
   function handleBatchSelect(batch: BatchSize): void {
     setSelectedBatch(batch);
@@ -230,7 +231,23 @@ const VampireThrallsPanel = (): JSX.Element => {
 
   return (
     <section className="panel disciples-panel">
-      <h2>{"Thralls"}</h2>
+      <div className="panel-header">
+        <h2>{"Thralls"}</h2>
+        <button
+          className={`auto-toggle ${autoThrallOn
+            ? "auto-on"
+            : "auto-off"}`}
+          onClick={toggleVampireAutoThrall}
+          title={autoThrallOn
+            ? "Auto-Thrall is ON — click to disable"
+            : "Auto-Thrall is OFF — click to enable"}
+          type="button"
+        >
+          {autoThrallOn
+            ? "🤖 Auto-Thrall: ON"
+            : "🤖 Auto-Thrall: OFF"}
+        </button>
+      </div>
       <div className="disciples-balance">
         <span>
           {"🩸 Blood: "}