Discord community: role sync, announcements webhook, launcher invite

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DjMbLQujBHunCCu5GpsHaT

launcher/src-tauri/src/commands.rs

@@ -211,6 +211,17 @@ pub async fn discord_connection(state: State<'_, AppState>) -> Res<serde_json::V
     response.json().await.map_err(err)
 }
 
+/// The community invite link and whether this account is linked.
+#[tauri::command]
+pub async fn discord_info(state: State<'_, AppState>) -> Res<serde_json::Value> {
+    let req = account_api(&state, reqwest::Method::GET, "/account/discord").await?;
+    let response = req.send().await.map_err(err)?;
+    if !response.status().is_success() {
+        return Err(accounts::panel_error(response).await.to_string());
+    }
+    response.json().await.map_err(err)
+}
+
 #[tauri::command]
 pub async fn discord_link_start(state: State<'_, AppState>) -> Res<serde_json::Value> {
     let req = account_api(&state, reqwest::Method::GET, "/auth/discord/start?kind=link").await?;