feat(dashboard): route conversations and media

apps/dashboard/src/app/router.tsx

@@ -2,6 +2,8 @@ import { createBrowserRouter, type RouteObject } from 'react-router-dom';
 import { AppShell } from './app-shell.js';
 import { OverviewPage } from '../features/overview/overview-page.js';
 import { PlaceholderPage } from '../features/placeholder-page.js';
+import { ConversationRoute } from '../features/conversations/conversation-route.js';
+import { MediaPage } from '../features/media/media-page.js';
 
 export function createDashboardRoutes(): RouteObject[] {
   return [
@@ -10,8 +12,9 @@ export function createDashboardRoutes(): RouteObject[] {
       element: <AppShell />,
       children: [
         { index: true, element: <OverviewPage /> },
-        { path: 'conversations', element: <PlaceholderPage title="Conversations" description="Review conversations, drafts, and replies." /> },
-        { path: 'media', element: <PlaceholderPage title="Media" description="Browse private media and monitor syncs." /> },
+        { path: 'conversations', element: <ConversationRoute /> },
+        { path: 'conversations/:conversationId', element: <ConversationRoute /> },
+        { path: 'media', element: <MediaPage /> },
         { path: 'performance', element: <PlaceholderPage title="Performance" description="Understand response and strategy performance." /> },
         { path: 'operations', element: <PlaceholderPage title="Operations" description="Inspect jobs, events, logs, and diagnostics." /> },
         { path: 'settings', element: <PlaceholderPage title="Settings" description="Manage runtime behavior and Reddit access." /> },