Refactor service status response: migrate bangui_version into version field

frontend/src/components/__tests__/ServerStatusBar.test.tsx

@@ -41,7 +41,6 @@ describe("ServerStatusBar", () => {
   it("shows a spinner while the initial load is in progress", () => {
     mockedUseServerStatus.mockReturnValue({
       status: null,
-      banguiVersion: null,
       loading: true,
       error: null,
       refresh: vi.fn(),
@@ -60,7 +59,6 @@ describe("ServerStatusBar", () => {
         total_bans: 10,
         total_failures: 5,
       },
-      banguiVersion: "1.1.0",
       loading: false,
       error: null,
       refresh: vi.fn(),
@@ -78,7 +76,6 @@ describe("ServerStatusBar", () => {
         total_bans: 0,
         total_failures: 0,
       },
-      banguiVersion: "1.1.0",
       loading: false,
       error: null,
       refresh: vi.fn(),
@@ -96,7 +93,6 @@ describe("ServerStatusBar", () => {
         total_bans: 0,
         total_failures: 0,
       },
-      banguiVersion: "1.2.3",
       loading: false,
       error: null,
       refresh: vi.fn(),
@@ -105,7 +101,7 @@ describe("ServerStatusBar", () => {
     expect(screen.getByText("v1.2.3")).toBeInTheDocument();
   });
 
-  it("renders a BanGUI version badge", () => {
+  it("does not render a separate BanGUI version badge", () => {
     mockedUseServerStatus.mockReturnValue({
       status: {
         online: true,
@@ -114,13 +110,12 @@ describe("ServerStatusBar", () => {
         total_bans: 0,
         total_failures: 0,
       },
-      banguiVersion: "9.9.9",
       loading: false,
       error: null,
       refresh: vi.fn(),
     });
     renderBar();
-    expect(screen.getByText("BanGUI v9.9.9")).toBeInTheDocument();
+    expect(screen.queryByText("BanGUI v9.9.9")).toBeNull();
   });
 
   it("does not render the version element when version is null", () => {
@@ -132,7 +127,6 @@ describe("ServerStatusBar", () => {
         total_bans: 0,
         total_failures: 0,
       },
-      banguiVersion: "1.2.3",
       loading: false,
       error: null,
       refresh: vi.fn(),
@@ -151,7 +145,6 @@ describe("ServerStatusBar", () => {
         total_bans: 21,
         total_failures: 99,
       },
-      banguiVersion: "1.0.0",
       loading: false,
       error: null,
       refresh: vi.fn(),
@@ -167,7 +160,6 @@ describe("ServerStatusBar", () => {
   it("renders an error message when the status fetch fails", () => {
     mockedUseServerStatus.mockReturnValue({
       status: null,
-      banguiVersion: null,
       loading: false,
       error: "Network error",
       refresh: vi.fn(),