feat : error when mulitple apply not supporting

lib/guides/team-tools.test.ts

@@ -1,8 +1,14 @@
 import { describe, expect, it } from "vitest";
 
-import { applyTeamFields, limitPresets, parseTeamPresets } from "./team-tools";
+import {
+  applyTeamFields,
+  findUnsupportedTeamWeapon,
+  limitPresets,
+  parseTeamPresets,
+  type TeamToolValue,
+} from "./team-tools";
 
-const team = (id: string, title = id) => ({
+const team = (id: string, title = id): TeamToolValue => ({
   clientId: id, title, rotationSeconds: "20", combo: "E > Q",
   members: [1, 2, 3, 4].map((n) => ({ characterKey: `${id}-${n}`, weaponKey: null, artifactKey: null, secondArtifactKey: null, constellation: 0, refinement: 1, damage: String(n) })),
 });
@@ -41,6 +47,24 @@ describe("team bulk tools", () => {
     expect(result[1].members.slice(1)).toEqual(target.members.slice(1));
   });
 
+  it("detects an unsupported character and weapon after bulk apply", () => {
+    const target = team("target");
+    target.members[0] = {
+      ...target.members[0],
+      characterKey: "varka",
+      weaponKey: "wolf-fang",
+    };
+
+    expect(
+      findUnsupportedTeamWeapon(
+        [target],
+        new Set(["target"]),
+        [{ key: "varka", name: "Varka", weaponType: "WEAPON_CLAYMORE" }],
+        [{ key: "wolf-fang", name: "Wolf-Fang", weaponType: "WEAPON_SWORD_ONE_HAND" }],
+      ),
+    ).toEqual({ characterName: "Varka", weaponName: "Wolf-Fang" });
+  });
+
   it("deduplicates and limits presets", () => {
     const presets = Array.from({ length: 7 }, (_, index) => ({ id: String(index), name: String(index), createdAt: String(index), team: { ...team(String(index)), clientId: undefined as never } }));
     expect(limitPresets([presets[0], presets[0], ...presets.slice(1)])).toHaveLength(5);