Add scout constellation mode for APK venue persona packs.

Cluster 3+ scout_report hits on the same SSID within 10 minutes; server infers airport/campus/retail venue class and pushes persona spread_policy. Emberwake weather-map merges active scout biomes. Includes agent, server API, and Vitest coverage.

server/web/src/App.tsx

@@ -24,6 +24,7 @@ const EmberwakePage = lazy(() => import('./pages/EmberwakePage'));
 const LotlTimelinePage = lazy(() => import('./pages/LotlTimelinePage'));
 const ROIPage = lazy(() => import('./pages/ROIPage'));
 const ActivityFeedPage = lazy(() => import('./pages/ActivityFeedPage'));
+const SeerPage = lazy(() => import('./pages/SeerPage'));
 
 export function PageFallback() {
   return (
@@ -66,6 +67,7 @@ function App() {
             <Route path="/onion" element={<Navigate to="/lotl-timeline" replace />} />
             <Route path="/roi" element={<ROIPage />} />
             <Route path="/activity" element={<ActivityFeedPage />} />
+            <Route path="/seer" element={<SeerPage />} />
           </Routes>
         </Suspense>
       </Layout>