Fix splice(-1,1) removing last user when logged-in user not found

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/stores/acctMgmt.ts

@@ -127,7 +127,9 @@ export const useAcctMgmtStore = defineStore('acctMgmtStore', {
       const loginStore = useLoginStore();
       const loginUserData:User = loginStore.userData;
       const foundLoginUserIndex = fetchedUserList.findIndex(user => user.username === loginUserData.username);
-      fetchedUserList.unshift(fetchedUserList.splice(foundLoginUserIndex, 1)[0]);
+      if (foundLoginUserIndex !== -1) {
+        fetchedUserList.unshift(fetchedUserList.splice(foundLoginUserIndex, 1)[0]);
+      }
       return fetchedUserList;
     },
     /**

tests/stores/acctMgmt.test.js

@@ -21,8 +21,8 @@ vi.mock("@/api/client.js", () => ({
 }));
 
 // Mock login store to avoid its side effects
-vi.mock("@/stores/login", () => {
-  const { defineStore } = require("pinia");
+vi.mock("@/stores/login", async () => {
+  const { defineStore } = await import("pinia");
   return {
     useLoginStore: defineStore("loginStore", {
       state: () => ({
@@ -243,6 +243,36 @@ describe("acctMgmtStore", () => {
     });
   });
 
+  describe("moveCurrentLoginUserToFirstRow", () => {
+    it("moves logged-in user to first position", async () => {
+      const list = [
+        { username: "alice", name: "Alice" },
+        { username: "currentUser", name: "Current" },
+        { username: "bob", name: "Bob" },
+      ];
+      const result = await store.moveCurrentLoginUserToFirstRow(list);
+      expect(result.map((u) => u.username)).toEqual([
+        "currentUser",
+        "alice",
+        "bob",
+      ]);
+    });
+
+    it("preserves list when logged-in user is not found", async () => {
+      const list = [
+        { username: "alice", name: "Alice" },
+        { username: "bob", name: "Bob" },
+        { username: "charlie", name: "Charlie" },
+      ];
+      const result = await store.moveCurrentLoginUserToFirstRow(list);
+      expect(result.map((u) => u.username)).toEqual([
+        "alice",
+        "bob",
+        "charlie",
+      ]);
+    });
+  });
+
   it("resetJustCreateFlag resets flag", () => {
     store.isOneAccountJustCreate = true;
     store.resetJustCreateFlag();