Add emergency public module

Expose an emergency safety module publicly aligned with Indian guidelines, including poison control dial, first aid guides, overdose info, and emergency report filing. Add page, routes, nav link, and public accessibility without login; integrate quick dial tel links and responsive UI.

X-Lovable-Edit-ID: edt-d9207eb9-bf37-49bf-97e6-af6a50c9ed80

Author: lovable-dev[bot]

src/App.tsx

@@ -19,6 +19,7 @@ const Dashboard = lazy(() => import("./pages/Dashboard"));
 const DrugVerification = lazy(() => import("./pages/DrugVerification"));
 const DrugInteractions = lazy(() => import("./pages/DrugInteractions"));
 const PrescriptionScanner = lazy(() => import("./pages/PrescriptionScanner"));
+const Emergency = lazy(() => import("./pages/Emergency"));
 const MedicalHistory = lazy(() => import("./pages/MedicalHistory"));
 const SafetyScore = lazy(() => import("./pages/SafetyScore"));
 const PharmacistVerification = lazy(() => import("./pages/PharmacistVerification"));
@@ -57,6 +58,7 @@ const App = () => (
                 <Routes>
                   <Route path="/" element={<Index />} />
                   <Route path="/auth" element={<Auth />} />
+                  <Route path="/emergency" element={<Emergency />} />
                   <Route path="/dashboard" element={<ProtectedRoute><Dashboard /></ProtectedRoute>} />
             <Route path="/verify" element={<ProtectedRoute><DrugVerification /></ProtectedRoute>} />
             <Route path="/interactions" element={<ProtectedRoute><DrugInteractions /></ProtectedRoute>} />

src/components/Navigation.tsx

@@ -1,6 +1,6 @@
 import { Link, useLocation, useNavigate } from "react-router-dom";
 import { cn } from "@/lib/utils";
-import { Shield, FileText, Activity, LogOut, User, ClipboardCheck, Database, Utensils, Menu, Settings, Moon, Bell, Lock, FlaskConical, MoreHorizontal, Pill } from "lucide-react";
+import { Shield, FileText, Activity, LogOut, User, ClipboardCheck, Database, Utensils, Menu, Settings, Moon, Bell, Lock, FlaskConical, MoreHorizontal, Pill, AlertCircle } from "lucide-react";
 import { useAuth } from "@/contexts/AuthContext";
 import { Button } from "./ui/button";
 import { OptimizedImage } from "./OptimizedImage";
@@ -192,6 +192,14 @@ export function Navigation() {
               </Drawer>
             )}
 
+            {/* Emergency Button - Always Visible */}
+            <Link to="/emergency">
+              <Button variant="destructive" size={isMobile ? "icon" : "default"} className="font-semibold">
+                <AlertCircle className="h-5 w-5" />
+                {!isMobile && <span className="ml-2">Emergency</span>}
+              </Button>
+            </Link>
+
             {user && <NotificationBell />}
 
             {user && (