soulseek: wire sections into the view, default to dashboard, persist zoom

- render dashboard/uploads/rooms/chat/users/system from the section channel
- nav + view both default to the dashboard section
- register the view panel's zoom header; read the persisted zoom via useDashboardState

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/workspaces/officerdev/src/apps/Soulseek/SoulseekNav.tsx

@@ -18,7 +18,7 @@ const ICONS: Record<SoulseekSectionId, LucideIcon> = {
 };
 
 export const SoulseekNav = () => {
-  const [section, setSection] = usePanelChannel<SoulseekSectionId>(SOULSEEK_SECTION_CHANNEL, 'search');
+  const [section, setSection] = usePanelChannel<SoulseekSectionId>(SOULSEEK_SECTION_CHANNEL, 'dashboard');
 
   return (
     <div className="flex h-full flex-col overflow-y-auto bg-muted/30">

src/workspaces/officerdev/src/apps/Soulseek/SoulseekView.tsx

@@ -1,11 +1,20 @@
 import { Construction } from 'lucide-react';
 import { usePanelChannel } from 'hooks/usePanelChannel';
-import { SOULSEEK_SECTION_CHANNEL, SOULSEEK_SECTIONS, type SoulseekSectionId } from './shared';
+import { useDashboardState } from 'state/useDashboardState';
+import { SOULSEEK_SECTION_CHANNEL, SOULSEEK_SECTIONS, soulseekZoomKey, type SoulseekSectionId } from './shared';
 import { SearchView } from './SearchView';
 import { SoulseekTransfers } from './SoulseekTransfers';
+import { SoulseekUploads } from './SoulseekUploads';
+import { SoulseekRooms } from './SoulseekRooms';
+import { SoulseekDashboard } from './SoulseekDashboard';
+import { SoulseekChat } from './SoulseekChat';
+import { SoulseekUsers } from './SoulseekUsers';
+import { SoulseekSystem } from './SoulseekSystem';
 
-// Right panel of the /soulseek workspace — renders the UI for the section the nav selected. Only Search
-// (history + input) and Downloads (transfers) are built so far; the rest are placeholders.
+// Right panel of the /soulseek workspace — renders the UI for the section the nav selected. The panel
+// header's +/- controls set a per-panel zoom factor, persisted via useDashboardState (same store as the
+// layout config); we read it here and apply it as a CSS scale, with a compensating width/height so the
+// scaled content still fills the panel and inner scroll keeps working.
 
 const Placeholder = ({ id }: { id: SoulseekSectionId }) => {
   const label = SOULSEEK_SECTIONS.find((s) => s.id === id)?.label ?? id;
@@ -22,15 +31,45 @@ const Placeholder = ({ id }: { id: SoulseekSectionId }) => {
   );
 };
 
-export const SoulseekView = () => {
-  const [section] = usePanelChannel<SoulseekSectionId>(SOULSEEK_SECTION_CHANNEL, 'search');
-
+const sectionView = (section: SoulseekSectionId) => {
   switch (section) {
+    case 'dashboard':
+      return <SoulseekDashboard />;
     case 'search':
       return <SearchView />;
     case 'downloads':
       return <SoulseekTransfers />;
+    case 'uploads':
+      return <SoulseekUploads />;
+    case 'rooms':
+      return <SoulseekRooms />;
+    case 'chat':
+      return <SoulseekChat />;
+    case 'users':
+      return <SoulseekUsers />;
+    case 'system':
+      return <SoulseekSystem />;
     default:
       return <Placeholder id={section} />;
   }
 };
+
+type SoulseekViewProps = { panelId: string };
+
+export const SoulseekView = ({ panelId }: SoulseekViewProps) => {
+  const [section] = usePanelChannel<SoulseekSectionId>(SOULSEEK_SECTION_CHANNEL, 'dashboard');
+  const { value: zoom } = useDashboardState<number>(soulseekZoomKey(panelId), 1);
+  const z = zoom ?? 1;
+
+  if (z === 1) return <div className="h-full w-full">{sectionView(section)}</div>;
+
+  // transform: scale doesn't reflow, so size the box to 1/z and let the scale bring it back to 100%.
+  const inv = `${100 / z}%`;
+  return (
+    <div className="h-full w-full overflow-hidden">
+      <div style={{ width: inv, height: inv, transform: `scale(${z})`, transformOrigin: 'top left' }}>
+        {sectionView(section)}
+      </div>
+    </div>
+  );
+};

src/workspaces/officerdev/src/apps/Soulseek/index.ts

@@ -2,10 +2,18 @@ import type { AppRegistryMeta } from '../../AppRegistry';
 import { PanelLeft, LayoutGrid } from 'lucide-react';
 import { SoulseekNav } from './SoulseekNav';
 import { SoulseekView } from './SoulseekView';
+import { SoulseekViewHeader } from './SoulseekViewHeader';
 
 export { SoulseekNav, SoulseekView };
 
 export const appRegistryMetas: AppRegistryMeta[] = [
   { key: 'soulseek-nav', name: 'Soulseek', icon: PanelLeft, component: SoulseekNav, availableOnPanel: false },
-  { key: 'soulseek-view', name: 'Soulseek', icon: LayoutGrid, component: SoulseekView, availableOnPanel: false },
+  {
+    key: 'soulseek-view',
+    name: 'Soulseek',
+    icon: LayoutGrid,
+    component: SoulseekView,
+    header: SoulseekViewHeader,
+    availableOnPanel: false,
+  },
 ];