feat(crm): Complete Admin Action Center & Reliability Overhaul

- Added ActionCenterWidget, DetailDrawer, AgentSelectionModal
- Implemented global ErrorBoundary and Chatbot resilience
- Updated documentation (README, Structure, Status, Overview)
- Refined responsive design and modal portals

src/pages/Dashboard.jsx

@@ -14,6 +14,7 @@ import { RoofConditionChart } from '../components/dashboard/RoofConditionChart';
 import { OwnerIntentFunnel } from '../components/dashboard/OwnerIntentFunnel';
 import { RevenueByNeighborhood } from '../components/dashboard/RevenueByNeighborhood';
 import { GoldenLeadsScatter } from '../components/dashboard/GoldenLeadsScatter';
+import { ActionCenterWidget } from '../components/dashboard/ActionCenterWidget';
 import { WeatherRiskGauge } from '../components/dashboard/WeatherRiskGauge';
 
 import Loader from '../components/Loader';
@@ -144,6 +145,9 @@ const Dashboard = () => {
                     </div>
                 </header>
 
+                {/* --- ADMIN ACTION CENTER --- */}
+                {user?.role === 'ADMIN' && <ActionCenterWidget />}
+
                 {/* Top Metrics Grid */}
                 <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
                     <MetricCard