community: the inbox check belongs to the app, not to the page that happened to be open

src/views/Community.svelte

@@ -134,6 +134,11 @@
     const hue = $derived(key ? hueOf(key) : null);
     const freenetOn = $derived(!!community.freenet?.enabled);
     const nodeUp = $derived(adapterConnected(community.freenet?.status));
+    // A boolean, deliberately: reading community.inbox?.published straight from
+    // an effect makes that effect depend on the whole record, and a check
+    // REPLACES the record — which re-ran the effect, which checked again. A
+    // derived only notifies when its value actually flips.
+    const inboxLive = $derived(!!community.inbox?.published);
     const online = $derived(app.connection === "online");
     const me = $derived(app.username ?? "");
     const ownLink = $derived(community.links?.own ?? null);
@@ -449,14 +454,12 @@
         const id = await shareImport(card);
         if (id) goToView("playlist", { playlistId: id, label: card.name });
     }
-    // The inbox is polled while this page is open and the node is up: on
-    // arrival and every 90 s. Sealed cargo becomes friend requests and share
-    // cards through the same stores the PM carry feeds.
+    // The app polls the inbox for the whole session (startInboxWatch, in
+    // community.svelte.js) — arriving here only asks for a fresh read now, so
+    // the page opens on current state instead of waiting out the interval.
     $effect(() => {
-        if (!nodeUp || !key || !community.inbox?.published) return;
+        if (!nodeUp || !key || !inboxLive) return;
         untrack(() => void checkInbox());
-        const t = setInterval(() => void checkInbox(), 90_000);
-        return () => clearInterval(t);
     });
     let addKey = $state("");
     // ---- spaces ------------------------------------------------------------