Add Recall Knowledge DC and skill to PF2e stat blocks

Display Recall Knowledge line below trait tags showing DC (from level
via standard DC-by-level table, adjusted for rarity) and associated
skill derived from creature type trait. Omitted for D&D creatures and
creatures with no recognized type trait.

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

apps/web/src/components/__tests__/pf2e-stat-block.test.tsx

@@ -25,6 +25,12 @@ const ABILITY_MID_NAME_REGEX = /Goblin Scuttle/;
 const ABILITY_MID_DESC_REGEX = /The goblin Steps\./;
 const CANTRIPS_REGEX = /Cantrips:/;
 const AC_REGEX = /16/;
+const RK_DC_13_REGEX = /DC 13/;
+const RK_DC_15_REGEX = /DC 15/;
+const RK_DC_25_REGEX = /DC 25/;
+const RK_HUMANOID_SOCIETY_REGEX = /Humanoid \(Society\)/;
+const RK_UNDEAD_RELIGION_REGEX = /Undead \(Religion\)/;
+const RK_BEAST_SKILLS_REGEX = /Beast \(Arcana\/Nature\)/;
 
 const GOBLIN_WARRIOR: Pf2eCreature = {
 	system: "pf2e",
@@ -154,6 +160,53 @@ describe("Pf2eStatBlock", () => {
 		});
 	});
 
+	describe("recall knowledge", () => {
+		it("renders Recall Knowledge line for a creature with a recognized type trait", () => {
+			renderStatBlock(GOBLIN_WARRIOR);
+			expect(screen.getByText("Recall Knowledge")).toBeInTheDocument();
+			expect(screen.getByText(RK_DC_13_REGEX)).toBeInTheDocument();
+			expect(screen.getByText(RK_HUMANOID_SOCIETY_REGEX)).toBeInTheDocument();
+		});
+
+		it("adjusts DC for uncommon rarity", () => {
+			const uncommonCreature: Pf2eCreature = {
+				...GOBLIN_WARRIOR,
+				traits: ["uncommon", "small", "humanoid"],
+			};
+			renderStatBlock(uncommonCreature);
+			expect(screen.getByText(RK_DC_15_REGEX)).toBeInTheDocument();
+		});
+
+		it("adjusts DC for rare rarity", () => {
+			const rareCreature: Pf2eCreature = {
+				...GOBLIN_WARRIOR,
+				level: 5,
+				traits: ["rare", "medium", "undead"],
+			};
+			renderStatBlock(rareCreature);
+			expect(screen.getByText(RK_DC_25_REGEX)).toBeInTheDocument();
+			expect(screen.getByText(RK_UNDEAD_RELIGION_REGEX)).toBeInTheDocument();
+		});
+
+		it("shows multiple skills for types with dual skill mapping", () => {
+			const beastCreature: Pf2eCreature = {
+				...GOBLIN_WARRIOR,
+				traits: ["small", "beast"],
+			};
+			renderStatBlock(beastCreature);
+			expect(screen.getByText(RK_BEAST_SKILLS_REGEX)).toBeInTheDocument();
+		});
+
+		it("omits Recall Knowledge when no type trait is recognized", () => {
+			const noTypeCreature: Pf2eCreature = {
+				...GOBLIN_WARRIOR,
+				traits: ["small", "goblin"],
+			};
+			renderStatBlock(noTypeCreature);
+			expect(screen.queryByText("Recall Knowledge")).not.toBeInTheDocument();
+		});
+	});
+
 	describe("perception and senses", () => {
 		it("renders perception modifier and senses", () => {
 			renderStatBlock(GOBLIN_WARRIOR);

apps/web/src/components/pf2e-stat-block.tsx

@@ -1,5 +1,5 @@
 import type { Pf2eCreature, SpellReference } from "@initiative/domain";
-import { formatInitiativeModifier } from "@initiative/domain";
+import { formatInitiativeModifier, recallKnowledge } from "@initiative/domain";
 import { useCallback, useRef, useState } from "react";
 import { SpellDetailPopover } from "./spell-detail-popover.js";
 import {
@@ -113,6 +113,8 @@ export function Pf2eStatBlock({ creature }: Readonly<Pf2eStatBlockProps>) {
 	);
 	const handleCloseSpell = useCallback(() => setOpenSpell(null), []);
 
+	const rk = recallKnowledge(creature.level, creature.traits);
+
 	const abilityEntries = [
 		{ label: "Str", mod: creature.abilityMods.str },
 		{ label: "Dex", mod: creature.abilityMods.dex },
@@ -147,6 +149,12 @@ export function Pf2eStatBlock({ creature }: Readonly<Pf2eStatBlockProps>) {
 				<p className="mt-1 text-muted-foreground text-xs">
 					{creature.sourceDisplayName}
 				</p>
+				{rk && (
+					<p className="mt-1 text-sm">
+						<span className="font-semibold">Recall Knowledge</span> DC {rk.dc}{" "}
+						&bull; {capitalize(rk.type)} ({rk.skills.join("/")})
+					</p>
+				)}
 			</div>
 
 			<SectionDivider />