feat: AI Team Network ins Dashboard integriert, Vollbreite, dynamisches Grid

- TeamNetwork ins Dashboard verschoben (center column)
- 3-Spalten-Layout auf volle Desktop-Breite (kein max-width)
- Agent-Grid dynamisch: 2 Spalten, erweitert nach unten (4→6→8 Agenten)
- SVG-Bézier-Linien mit ResizeObserver passen sich an
- 'Team' aus Navigation, Router und standaloneViews entfernt
- /team Route gelöscht

frontend/src/router.ts

@@ -4,7 +4,6 @@ import ProjectDetailView from './views/ProjectDetailView.vue'
 import SettingsView from './views/SettingsView.vue'
 import MemoryView from './views/MemoryView.vue'
 import DocsView from './views/DocsView.vue'
-import TeamView from './views/TeamView.vue'
 import AgentDetailView from './views/AgentDetailView.vue'
 import AgentsIndexView from './views/AgentsIndexView.vue'
 import SecurityView from './views/SecurityView.vue'
@@ -18,7 +17,6 @@ const routes = [
   { path: '/dashboard', name: 'Dashboard', component: DashboardView },
   { path: '/memory', name: 'Memory', component: MemoryView },
   { path: '/docs', name: 'Docs', component: DocsView },
-  { path: '/team', name: 'Team', component: TeamView },
   { path: '/agents/:id', name: 'AgentDetail', component: AgentDetailView },
   { path: '/security', name: 'Security', component: SecurityView },
   { path: '/incidents', name: 'Incidents', component: IncidentsView },