Add a per-user lead agent and make the right pane task-focused

web/src/settings.ts

@@ -1,5 +1,5 @@
 import { del, get, post, put, type NotificationPrefs } from "./api.js";
-import { errorText, h, replace, showAlert } from "./dom.js";
+import { errorText, h, openPanel, replace, showAlert } from "./dom.js";
 import { on, state } from "./state.js";
 
 const kinds: { key: keyof NotificationPrefs; label: string }[] = [
@@ -10,7 +10,11 @@ const kinds: { key: keyof NotificationPrefs; label: string }[] = [
   { key: "rate_limits", label: "Rate limits" },
 ];
 
-export function mountSettings(root: HTMLElement): () => void {
+export function openSettings(): void {
+  openPanel("Settings", mountSettings);
+}
+
+function mountSettings(root: HTMLElement): () => void {
   const device = h("div", { class: "push-device" });
   const prefs = h("fieldset", { class: "push-prefs" });