Add Sapped and Slowed conditions for 5.5e weapon mastery

These D&D 2024 weapon mastery conditions are edition-gated: they only
appear in the condition picker when 5.5e rules are selected. Applied
conditions still render correctly regardless of edition setting.

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

packages/domain/src/__tests__/conditions.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
 	CONDITION_DEFINITIONS,
 	getConditionDescription,
+	getConditionsForEdition,
 } from "../conditions.js";
 
 function findCondition(id: string) {
@@ -25,13 +26,27 @@ describe("getConditionDescription", () => {
 		);
 	});
 
-	it("every condition has both descriptions", () => {
-		for (const def of CONDITION_DEFINITIONS) {
+	it("universal conditions have both descriptions", () => {
+		const universal = CONDITION_DEFINITIONS.filter(
+			(d) => d.edition === undefined,
+		);
+		expect(universal.length).toBeGreaterThan(0);
+		for (const def of universal) {
 			expect(def.description).toBeTruthy();
 			expect(def.description5e).toBeTruthy();
 		}
 	});
 
+	it("edition-specific conditions have their edition description", () => {
+		const sapped = findCondition("sapped");
+		expect(sapped.description).toBeTruthy();
+		expect(sapped.edition).toBe("5.5e");
+
+		const slowed = findCondition("slowed");
+		expect(slowed.description).toBeTruthy();
+		expect(slowed.edition).toBe("5.5e");
+	});
+
 	it("conditions with identical rules share the same text", () => {
 		const blinded = findCondition("blinded");
 		expect(blinded.description).toBe(blinded.description5e);
@@ -42,3 +57,26 @@ describe("getConditionDescription", () => {
 		expect(exhaustion.description).not.toBe(exhaustion.description5e);
 	});
 });
+
+describe("getConditionsForEdition", () => {
+	it("includes sapped and slowed for 5.5e", () => {
+		const conditions = getConditionsForEdition("5.5e");
+		const ids = conditions.map((d) => d.id);
+		expect(ids).toContain("sapped");
+		expect(ids).toContain("slowed");
+	});
+
+	it("excludes sapped and slowed for 5e", () => {
+		const conditions = getConditionsForEdition("5e");
+		const ids = conditions.map((d) => d.id);
+		expect(ids).not.toContain("sapped");
+		expect(ids).not.toContain("slowed");
+	});
+
+	it("includes universal conditions for both editions", () => {
+		const ids5e = getConditionsForEdition("5e").map((d) => d.id);
+		const ids55e = getConditionsForEdition("5.5e").map((d) => d.id);
+		expect(ids5e).toContain("blinded");
+		expect(ids55e).toContain("blinded");
+	});
+});

packages/domain/src/conditions.ts

@@ -12,6 +12,8 @@ export type ConditionId =
 	| "poisoned"
 	| "prone"
 	| "restrained"
+	| "sapped"
+	| "slowed"
 	| "stunned"
 	| "unconscious";
 
@@ -24,6 +26,8 @@ export interface ConditionDefinition {
 	readonly description5e: string;
 	readonly iconName: string;
 	readonly color: string;
+	/** When set, the condition only appears in this edition's picker. */
+	readonly edition?: RulesEdition;
 }
 
 export function getConditionDescription(
@@ -159,6 +163,26 @@ export const CONDITION_DEFINITIONS: readonly ConditionDefinition[] = [
 		iconName: "Link",
 		color: "neutral",
 	},
+	{
+		id: "sapped",
+		label: "Sapped",
+		description:
+			"Disadvantage on next attack roll before the start of your next turn. (Weapon Mastery: Sap)",
+		description5e: "",
+		iconName: "ShieldMinus",
+		color: "amber",
+		edition: "5.5e",
+	},
+	{
+		id: "slowed",
+		label: "Slowed",
+		description:
+			"Speed reduced by 10 ft. until the start of your next turn. (Weapon Mastery: Slow)",
+		description5e: "",
+		iconName: "Snail",
+		color: "sky",
+		edition: "5.5e",
+	},
 	{
 		id: "stunned",
 		label: "Stunned",
@@ -184,3 +208,11 @@ export const CONDITION_DEFINITIONS: readonly ConditionDefinition[] = [
 export const VALID_CONDITION_IDS: ReadonlySet<string> = new Set(
 	CONDITION_DEFINITIONS.map((d) => d.id),
 );
+
+export function getConditionsForEdition(
+	edition: RulesEdition,
+): readonly ConditionDefinition[] {
+	return CONDITION_DEFINITIONS.filter(
+		(d) => d.edition === undefined || d.edition === edition,
+	);
+}

packages/domain/src/index.ts

@@ -11,6 +11,7 @@ export {
 	type ConditionDefinition,
 	type ConditionId,
 	getConditionDescription,
+	getConditionsForEdition,
 	type RulesEdition,
 	VALID_CONDITION_IDS,
 } from "./conditions.js";