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/__tests__/bestiary-adapter.test.ts

@@ -300,6 +300,44 @@ describe("normalizeBestiary", () => {
 		expect(creatures[0].proficiencyBonus).toBe(6);
 	});
 
+	it("normalizes pre-2024 {@atk mw} tags to full attack type text", () => {
+		const raw = {
+			monster: [
+				{
+					name: "Adult Black Dragon",
+					source: "MM",
+					size: ["H"],
+					type: "dragon",
+					ac: [19],
+					hp: { average: 195, formula: "17d12 + 85" },
+					speed: { walk: 40, fly: 80, swim: 40 },
+					str: 23,
+					dex: 14,
+					con: 21,
+					int: 14,
+					wis: 13,
+					cha: 17,
+					passive: 21,
+					cr: "14",
+					action: [
+						{
+							name: "Bite",
+							entries: [
+								"{@atk mw} {@hit 11} to hit, reach 10 ft., one target. {@h}17 ({@damage 2d10 + 6}) piercing damage plus 4 ({@damage 1d8}) acid damage.",
+							],
+						},
+					],
+				},
+			],
+		};
+
+		const creatures = normalizeBestiary(raw);
+		const bite = creatures[0].actions?.[0];
+		expect(bite?.text).toContain("Melee Weapon Attack:");
+		expect(bite?.text).not.toContain("mw");
+		expect(bite?.text).not.toContain("{@");
+	});
+
 	it("handles fly speed with hover condition", () => {
 		const raw = {
 			monster: [