App: fix the clients change is not notified

src/App.tsx

@@ -2,8 +2,9 @@ import { Route, Router } from "@solidjs/router";
 import { ThemeProvider } from "@suid/material";
 import {
   Component,
+  createEffect,
+  createMemo,
   createRenderEffect,
-  createSignal,
   ErrorBoundary,
   lazy,
   onCleanup,
@@ -12,9 +13,8 @@ import { useRootTheme } from "./material/mui.js";
 import {
   Provider as ClientProvider,
   createMastoClientFor,
-  type Session,
 } from "./masto/clients.js";
-import { $accounts } from "./accounts/stores.js";
+import { $accounts, updateAcctInf } from "./accounts/stores.js";
 import { useStore } from "@nanostores/solid";
 import { DateFnScope, useLanguage } from "./platform/i18n.jsx";
 
@@ -28,6 +28,7 @@ const TootBottomSheet = lazy(() => import("./timelines/TootBottomSheet.js"));
 const MotionSettings = lazy(() => import("./settings/Motions.js"));
 const LanguageSettings = lazy(() => import("./settings/Language.js"));
 const RegionSettings = lazy(() => import("./settings/Region.jsx"));
+const UnexpectedError = lazy(() => import("./UnexpectedError.js"));
 
 const Routing: Component = () => {
   return (
@@ -56,14 +57,30 @@ const Routing: Component = () => {
 const App: Component = () => {
   const theme = useRootTheme();
   const accts = useStore($accounts);
-  const clientStore = createSignal<Session[]>([]);
   const lang = useLanguage();
 
-  createRenderEffect(() => {
-    const [, setClients] = clientStore;
-    setClients(
-      accts().map((x) => ({ account: x, client: createMastoClientFor(x) })),
-    );
+  const clients = createMemo(() => {
+    return accts().map((x) => ({
+      account: x,
+      client: createMastoClientFor(x),
+    }));
+  });
+
+  createEffect(() => {
+    const neededUpdates = accts()
+      .map((x, i) => [i, x] as const)
+      .filter(([, x]) => !x.inf);
+    if (neededUpdates.length > 0) {
+      // FIXME: we might need some kind of concurrent control
+      Promise.all(neededUpdates.map(([i]) => updateAcctInf(i))).then(
+        (x) => {
+          console.info("acct info updated for %d acct(s)", x.length);
+        },
+        (reason) => {
+          console.error("acct info update is fail", reason);
+        },
+      );
+    }
   });
 
   createRenderEffect(() => {
@@ -76,8 +93,6 @@ const App: Component = () => {
     root.removeAttribute("lang");
   });
 
-  const UnexpectedError = lazy(() => import("./UnexpectedError.js"));
-
   return (
     <ErrorBoundary
       fallback={(err, reset) => {
@@ -87,7 +102,7 @@ const App: Component = () => {
     >
       <ThemeProvider theme={theme()}>
         <DateFnScope>
-          <ClientProvider value={clientStore}>
+          <ClientProvider value={clients}>
             <Routing />
           </ClientProvider>
         </DateFnScope>