Expand pre-2024 {@atk} tags to full attack type labels in stat blocks

Old 5etools data uses {@atk mw} instead of {@atkr m}, which the generic
tag handler was reducing to bare "mw" text. Adds dedicated handling for
all {@atk} variants and bumps the bestiary cache version to clear stale
processed data.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/src/adapters/bestiary-cache.ts

@@ -3,7 +3,7 @@ import { type IDBPDatabase, openDB } from "idb";
 
 const DB_NAME = "initiative-bestiary";
 const STORE_NAME = "sources";
-const DB_VERSION = 1;
+const DB_VERSION = 2;
 
 export interface CachedSourceInfo {
 	readonly sourceCode: string;
@@ -32,12 +32,16 @@ async function getDb(): Promise<IDBPDatabase | null> {
 
 	try {
 		db = await openDB(DB_NAME, DB_VERSION, {
-			upgrade(database) {
-				if (!database.objectStoreNames.contains(STORE_NAME)) {
+			upgrade(database, oldVersion, _newVersion, transaction) {
+				if (oldVersion < 1) {
 					database.createObjectStore(STORE_NAME, {
 						keyPath: "sourceCode",
 					});
 				}
+				if (oldVersion < 2 && database.objectStoreNames.contains(STORE_NAME)) {
+					// Clear cached creatures to pick up improved tag processing
+					transaction.objectStore(STORE_NAME).clear();
+				}
 			},
 		});
 		return db;