feat(notifications): show full notification details with actions

Long announcements were clamped in the list and had nowhere to open, so
notifications now open a detail dialog with the full message, type, theme,
sender and timestamp, plus a shortcut into the Community Workshop.

src/lib/components/notifications/NotificationHub.svelte

@@ -11,6 +11,8 @@
   import {
     Bell,
     CheckCheck,
+    ChevronRight,
+    ExternalLink,
     LoaderCircle,
     Megaphone,
     RefreshCw,
@@ -19,6 +21,8 @@
   } from '@lucide/svelte';
   import { Portal } from 'bits-ui';
 
+  let { onOpenWorkshop }: { onOpenWorkshop?: () => void } = $props();
+
   let open = $state(false);
   let loading = $state(false);
   let loadingMore = $state(false);
@@ -27,8 +31,21 @@
   let unreadCount = $state(0);
   let hasMore = $state(false);
   let error = $state<string | null>(null);
+  let selectedNotification = $state<UserNotification | null>(null);
 
   const unreadLabel = $derived(unreadCount > 9 ? '9+' : String(unreadCount));
+  const NOTIFICATION_TYPE_LABELS: Record<string, string> = {
+    theme_hidden: 'Theme hidden',
+    theme_restored: 'Theme restored',
+    theme_taken_down: 'Theme taken down',
+    report_resolved: 'Report resolved',
+    report_dismissed: 'Report dismissed',
+    system: 'Announcement',
+  };
+
+  function notificationTypeLabel(type: string): string {
+    return NOTIFICATION_TYPE_LABELS[type] ?? 'Notification';
+  }
 
   $effect(() => {
     const userId = $currentUser?.id;
@@ -75,6 +92,7 @@
 
   function openHub() {
     if (!$currentUser) return;
+    selectedNotification = null;
     open = true;
     void loadNotifications();
   }
@@ -105,9 +123,13 @@
     if (notification.readAt) return;
     try {
       await markNotificationRead(notification.id);
+      const readAt = new Date().toISOString();
       notifications = notifications.map((item) =>
-        item.id === notification.id ? { ...item, readAt: new Date().toISOString() } : item
+        item.id === notification.id ? { ...item, readAt } : item
       );
+      if (selectedNotification?.id === notification.id) {
+        selectedNotification = { ...selectedNotification, readAt };
+      }
       unreadCount = Math.max(0, unreadCount - 1);
     } catch (err) {
       error = err instanceof Error ? err.message : String(err);
@@ -124,6 +146,12 @@
         ...item,
         readAt: item.readAt ?? now,
       }));
+      if (selectedNotification) {
+        selectedNotification = {
+          ...selectedNotification,
+          readAt: selectedNotification.readAt ?? now,
+        };
+      }
       unreadCount = 0;
     } catch (err) {
       error = err instanceof Error ? err.message : String(err);
@@ -132,6 +160,19 @@
     }
   }
 
+  function openNotification(notification: UserNotification) {
+    error = null;
+    selectedNotification = notification;
+    void markRead(notification);
+  }
+
+  function openWorkshopFromNotification() {
+    if (!selectedNotification?.themeId || !onOpenWorkshop) return;
+    onOpenWorkshop();
+    selectedNotification = null;
+    open = false;
+  }
+
   function formatDate(value: string): string {
     const date = new Date(value);
     return Number.isNaN(date.getTime()) ? value : date.toLocaleString();
@@ -260,10 +301,10 @@
             {#each notifications as notification (notification.id)}
               <button
                 type="button"
-                class="w-full rounded-lg border p-3 text-left transition-colors {notification.readAt
+                class="group w-full rounded-lg border p-3 text-left transition-colors {notification.readAt
                   ? 'border-transparent bg-transparent hover:bg-theme-900/50'
                   : 'border-primary/20 bg-primary/5 hover:bg-primary/10'}"
-                onclick={() => void markRead(notification)}
+                onclick={() => openNotification(notification)}
               >
                 <div class="flex items-start gap-2.5">
                   <div
@@ -289,12 +330,19 @@
                         <span class="mt-1 size-1.5 shrink-0 rounded-full bg-primary"></span>
                       {/if}
                     </div>
-                    <p class="mt-1 text-[10px] leading-relaxed text-muted-foreground">
+                    <p class="mt-1 line-clamp-2 text-[10px] leading-relaxed text-muted-foreground">
                       {notification.message}
                     </p>
-                    <p class="mt-1.5 text-[9px] text-muted-foreground/70">
+                    <div class="mt-1.5 flex items-center justify-between gap-2">
+                      <p class="text-[9px] text-muted-foreground/70">
                         {formatDate(notification.createdAt)}
                       </p>
+                      <span
+                        class="flex items-center gap-1 text-[9px] text-muted-foreground/60 transition-colors group-hover:text-theme-100"
+                      >
+                        Details <ChevronRight class="size-3" />
+                      </span>
+                    </div>
                   </div>
                 </div>
               </button>
@@ -320,5 +368,116 @@
         {/if}
       </div>
     </div>
+    {#if selectedNotification}
+      <button
+        type="button"
+        class="fixed inset-0 z-[95] cursor-default bg-black/60 backdrop-blur-sm"
+        aria-label="Close notification details"
+        onclick={() => (selectedNotification = null)}
+      ></button>
+      <div class="pointer-events-none fixed inset-0 z-[100] flex items-center justify-center p-4">
+        <div
+          class="pointer-events-auto flex max-h-[min(42rem,calc(100vh-2rem))] w-full max-w-lg flex-col overflow-hidden rounded-xl border border-theme-800 bg-theme-950 shadow-2xl"
+          role="dialog"
+          aria-modal="true"
+          aria-labelledby="notification-detail-title"
+        >
+          <div class="flex items-start justify-between gap-3 border-b border-theme-800/70 p-4">
+            <div class="flex min-w-0 items-start gap-3">
+              <div
+                class="mt-0.5 flex size-8 shrink-0 items-center justify-center rounded-full {selectedNotification.type ===
+                  'theme_hidden' || selectedNotification.type === 'theme_taken_down'
+                  ? 'bg-red-500/10 text-red-300'
+                  : selectedNotification.type === 'report_resolved'
+                    ? 'bg-emerald-500/10 text-emerald-300'
+                    : selectedNotification.type === 'system'
+                      ? 'bg-cyan-500/10 text-cyan-300'
+                      : 'bg-amber-500/10 text-amber-300'}"
+              >
+                {#if selectedNotification.type === 'system'}
+                  <Megaphone class="size-4" />
+                {:else}
+                  <ShieldAlert class="size-4" />
+                {/if}
+              </div>
+              <div class="min-w-0">
+                <p class="text-[9px] font-semibold tracking-wide text-muted-foreground uppercase">
+                  {notificationTypeLabel(selectedNotification.type)}
+                </p>
+                <h2 id="notification-detail-title" class="mt-1 text-sm font-semibold text-white">
+                  {selectedNotification.title}
+                </h2>
+              </div>
+            </div>
+            <Button
+              variant="ghost"
+              size="icon"
+              class="size-7 shrink-0 text-muted-foreground hover:text-white"
+              title="Close notification"
+              onclick={() => (selectedNotification = null)}
+            >
+              <X class="size-4" />
+            </Button>
+          </div>
+
+          <div class="min-h-0 flex-1 overflow-y-auto p-4">
+            <p
+              class="whitespace-pre-wrap break-words text-xs leading-relaxed text-theme-100 select-text"
+            >
+              {selectedNotification.message}
+            </p>
+            {#if error}
+              <p
+                class="mt-3 rounded-md border border-red-900/50 bg-red-950/30 p-2 text-[10px] text-red-300"
+              >
+                {error}
+              </p>
+            {/if}
+            <dl
+              class="mt-4 space-y-1.5 border-t border-theme-800/60 pt-3 text-[10px] text-muted-foreground"
+            >
+              {#if selectedNotification.themeName}
+                <div class="flex gap-1.5">
+                  <dt>Theme:</dt>
+                  <dd class="min-w-0 truncate text-theme-100">{selectedNotification.themeName}</dd>
+                </div>
+              {/if}
+              {#if selectedNotification.actorName}
+                <div class="flex gap-1.5">
+                  <dt>From:</dt>
+                  <dd class="text-theme-100">{selectedNotification.actorName}</dd>
+                </div>
+              {:else if selectedNotification.actorId}
+                <div class="flex gap-1.5">
+                  <dt>From:</dt>
+                  <dd>Staff</dd>
+                </div>
+              {/if}
+              <div class="flex gap-1.5">
+                <dt>Received:</dt>
+                <dd>{formatDate(selectedNotification.createdAt)}</dd>
+              </div>
+            </dl>
+          </div>
+
+          <div class="flex items-center justify-between gap-2 border-t border-theme-800/70 p-3">
+            <Button
+              variant="ghost"
+              size="sm"
+              class="h-8 text-xs"
+              onclick={() => (selectedNotification = null)}
+            >
+              Back
+            </Button>
+            {#if selectedNotification.themeId && onOpenWorkshop}
+              <Button size="sm" class="h-8 gap-1.5 text-xs" onclick={openWorkshopFromNotification}>
+                <ExternalLink class="size-3.5" />
+                Open Community Workshop
+              </Button>
+            {/if}
+          </div>
+        </div>
+      </div>
+    {/if}
   </Portal>
 {/if}

src/lib/notifications.ts

@@ -16,6 +16,7 @@ export interface UserNotification {
   themeId: string | null;
   themeName: string | null;
   actorId: number | null;
+  actorName?: string | null;
   readAt: string | null;
   createdAt: string;
 }

src/screens/Launch.svelte

@@ -2178,7 +2178,12 @@
       <ThemeIcon name="settings" set={iconSet} class="size-5!" />
     </Button>
     <div class="mt-auto flex flex-col items-center gap-2">
-      <NotificationHub />
+      <NotificationHub
+        onOpenWorkshop={() => {
+          selectedView = 'THEMES';
+          activeThemesTab = 'workshop';
+        }}
+      />
       <DropdownMenu.Root>
         <DropdownMenu.Trigger disabled={$launching}>
           <Avatar.Root class="size-10">