refactor(settings): remove data directory from system info panel

Remove the desktop local data directory field from the system info panel,
avoiding exposing local usernames and account hashes in screenshots or
copies, and cleaning up unused diagnostic references.

apps/desktop/src/main/desktop-update-flow.test.mjs

@@ -49,7 +49,7 @@ describe("desktop update flow", () => {
     expect(systemInfoSource).toContain("getClientRuntimeDiagnostics");
     expect(systemInfoSource).toContain('t("systemInfo.runtimeEngine")');
     expect(systemInfoSource).toContain('t("systemInfo.connectionSection")');
-    expect(systemInfoSource).toContain('t("systemInfo.dataDirectory")');
+    expect(systemInfoSource).not.toContain('t("systemInfo.dataDirectory")');
     expect(mainSource).toContain("dataDir: sidecarDataDirectory(activeAccountId)");
   });
 

apps/web/src/components/settings/SystemInfoPanel.test.mjs

@@ -17,9 +17,9 @@ describe("system information client/instance version hint", () => {
 });
 
 describe("system information diagnostic fields", () => {
-  test("shows desktop instance URL and data directory only as local-only fields", () => {
+  test("shows desktop instance URL as local-only field and omits data directory", () => {
     expect(source).toContain('t("systemInfo.instanceUrl")');
-    expect(source).toContain('t("systemInfo.dataDirectory")');
+    expect(source).not.toContain('t("systemInfo.dataDirectory")');
     expect(source).toContain("localOnly: true");
     expect(source).toContain('clientKind === "desktopApp"');
     expect(source).toContain("getShareableWebSystemInfoItems");

apps/web/src/components/settings/SystemInfoPanel.tsx

@@ -223,15 +223,6 @@ const getWebSystemInfoGroups = (
         },
         { label: t("systemInfo.language"), value: navigator.language || language, mono: true },
         { label: t("systemInfo.timeZone"), value: timeZone, mono: true, colSpan: "double-sm" },
-        ...(clientKind === "desktopApp"
-          ? [{
-              label: t("systemInfo.dataDirectory"),
-              value: diagnostics.clientRuntime?.dataDirectory ?? t("systemInfo.unknown"),
-              mono: true,
-              colSpan: "full" as const,
-              localOnly: true,
-            }]
-          : []),
       ],
     },
   ];

apps/web/src/lib/system-diagnostics.ts

@@ -7,7 +7,6 @@ export type ClientRuntimeDiagnostics = {
   appVersion: string | null;
   architecture: string | null;
   autoUpdateSupported: boolean | null;
-  dataDirectory: string | null;
   engine: string | null;
   operatingSystem: string | null;
 };
@@ -81,7 +80,6 @@ export const getClientRuntimeDiagnostics = async (): Promise<ClientRuntimeDiagno
       appVersion: info.appVersion,
       architecture: info.architecture === "unknown" ? null : info.architecture,
       autoUpdateSupported: info.autoUpdateSupported,
-      dataDirectory: info.dataDir && info.dataDir !== "unknown" ? info.dataDir : null,
       engine: [
         info.electron === "unknown" ? null : `Electron ${info.electron}`,
         info.chrome === "unknown" ? null : `Chromium ${info.chrome}`,
@@ -108,7 +106,6 @@ export const getClientRuntimeDiagnostics = async (): Promise<ClientRuntimeDiagno
     appVersion: null,
     architecture: architecture || null,
     autoUpdateSupported: null,
-    dataDirectory: null,
     engine: browserEngine(navigator.userAgent),
     operatingSystem: browserOperatingSystem(
       navigator.userAgent,

packages/shared/src/i18n/en-US.ts

@@ -1191,7 +1191,6 @@ export const enUS = {
     runtimeEngine: "Runtime engine",
     language: "Language",
     timeZone: "Time zone",
-    dataDirectory: "Data directory",
     instanceConnection: "Instance connection",
     requestLatency: "Health check time",
     lastSuccessfulSync: "Last successful sync",

packages/shared/src/i18n/ja.ts

@@ -1191,7 +1191,6 @@ export const ja = {
     runtimeEngine: "ランタイムエンジン",
     language: "言語",
     timeZone: "タイムゾーン",
-    dataDirectory: "データディレクトリ",
     instanceConnection: "インスタンス接続",
     requestLatency: "ヘルスチェック時間",
     lastSuccessfulSync: "最後に成功した同期",

packages/shared/src/i18n/zh-CN.ts

@@ -1191,7 +1191,6 @@ export const zhCN = {
     runtimeEngine: "运行引擎",
     language: "语言",
     timeZone: "时区",
-    dataDirectory: "数据目录",
     instanceConnection: "实例连接",
     requestLatency: "健康检查耗时",
     lastSuccessfulSync: "最近成功同步",