feat(support-info): add app support information

apps/desktop/src/lib/app/supportInfo.ts

@@ -0,0 +1,67 @@
+import type { AppSupportInfo } from "@/lib/backend/tauri";
+
+export interface AppSupportInfoLabels {
+  appVersion: string;
+  runtime: string;
+  runtimeDesktop: string;
+  runtimeWeb: string;
+  operatingSystem: string;
+  architecture: string;
+  unknown: string;
+}
+
+export interface AppSupportInfoRow {
+  key: keyof Pick<AppSupportInfoLabels, "appVersion" | "runtime" | "operatingSystem" | "architecture">;
+  label: string;
+  value: string;
+}
+
+export function normalizeSupportInfoVersion(version: string | null | undefined, unknownLabel: string): string {
+  const trimmed = version?.trim();
+  if (!trimmed) return unknownLabel;
+  return trimmed.startsWith("v") || trimmed.startsWith("V") ? `v${trimmed.slice(1)}` : `v${trimmed}`;
+}
+
+export function formatSupportInfoRuntime(runtime: AppSupportInfo["runtime"], labels: AppSupportInfoLabels): string {
+  if (runtime === "desktop") return labels.runtimeDesktop;
+  if (runtime === "web") return labels.runtimeWeb;
+  return labels.unknown;
+}
+
+export function formatSupportInfoOperatingSystem(info: AppSupportInfo, unknownLabel: string): string {
+  const name = info.osName?.trim();
+  const version = info.osVersion?.trim();
+  if (!name && !version) return unknownLabel;
+  return [name, version].filter(Boolean).join(" ");
+}
+
+export function buildAppSupportInfoRows(info: AppSupportInfo, labels: AppSupportInfoLabels): AppSupportInfoRow[] {
+  return [
+    {
+      key: "appVersion",
+      label: labels.appVersion,
+      value: normalizeSupportInfoVersion(info.appVersion, labels.unknown),
+    },
+    {
+      key: "runtime",
+      label: labels.runtime,
+      value: formatSupportInfoRuntime(info.runtime, labels),
+    },
+    {
+      key: "operatingSystem",
+      label: labels.operatingSystem,
+      value: formatSupportInfoOperatingSystem(info, labels.unknown),
+    },
+    {
+      key: "architecture",
+      label: labels.architecture,
+      value: info.arch?.trim() || labels.unknown,
+    },
+  ];
+}
+
+export function formatAppSupportInfoForClipboard(info: AppSupportInfo, labels: AppSupportInfoLabels): string {
+  return buildAppSupportInfoRows(info, labels)
+    .map((row) => `${row.label}: ${row.value}`)
+    .join("\n");
+}

apps/desktop/src/lib/backend/api.ts

@@ -440,6 +440,7 @@ export const checkForUpdates = forward("checkForUpdates");
 export const getSystemProxyUrl = forward("getSystemProxyUrl");
 export const downloadAndInstallUpdate = forward("downloadAndInstallUpdate");
 export const getAppVersion = forward("getAppVersion");
+export const getAppSupportInfo = forward("getAppSupportInfo");
 
 // Layout
 export const saveSidebarLayout = forward("saveSidebarLayout");
@@ -450,6 +451,7 @@ export const loadSidebarLayout = forward("loadSidebarLayout");
 // ---------------------------------------------------------------------------
 
 export type {
+  AppSupportInfo,
   AiMessage,
   AiCompletionRequest,
   AiTaskContract,

apps/desktop/src/lib/backend/http.ts

@@ -97,6 +97,7 @@ import type {
   ExplainSqlBuildResult,
   DroppedFilePreviewSqlOptions,
   MongoGridFsFileInfo,
+  AppSupportInfo,
 } from "@/lib/backend/tauri";
 import type { QueryEditability } from "@/lib/sql/sqlAnalysis";
 import type {
@@ -2102,6 +2103,17 @@ export async function getAppVersion(): Promise<string> {
   return res.version;
 }
 
+export async function getAppSupportInfo(): Promise<AppSupportInfo> {
+  const appVersion = await getAppVersion();
+  return {
+    appVersion,
+    runtime: "web",
+    osName: navigator.platform || "web",
+    osVersion: null,
+    arch: "",
+  };
+}
+
 // ---------------------------------------------------------------------------
 // Layout
 // ---------------------------------------------------------------------------

apps/desktop/src/lib/backend/tauri.ts

@@ -200,6 +200,14 @@ export interface WebDavSyncSecretsStatus {
   hasSavedPassphrase: boolean;
 }
 
+export interface AppSupportInfo {
+  appVersion: string;
+  runtime: "desktop" | "web";
+  osName: string;
+  osVersion?: string | null;
+  arch: string;
+}
+
 export interface QueryPagination {
   limit: number;
   offset: number;
@@ -1301,6 +1309,10 @@ export async function getAppVersion(): Promise<string> {
   return getVersion();
 }
 
+export async function getAppSupportInfo(): Promise<AppSupportInfo> {
+  return invoke<AppSupportInfo>("get_app_support_info");
+}
+
 // --- Redis ---
 export interface RedisKeyInfo {
   key_display: string;