feat: URL-based navigation via ?tab= param for shareable links

src/pages/DashboardPage.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import { Navigate, useNavigate } from "react-router-dom";
+import { Navigate, useNavigate, useSearchParams } from "react-router-dom";
 import { DriverDeliveryPlanner } from "../components/driver/DriverDeliveryPlanner";
 import { LogisticsReadinessBoard } from "../components/logistics/LogisticsReadinessBoard";
 import { OrdersTable } from "../components/orders/OrdersTable";
@@ -33,11 +33,21 @@ const ROLE_SECTION = {
 export const DashboardPage = () => {
   const { user, signOut } = useAuth();
   const navigate = useNavigate();
+  const [searchParams, setSearchParams] = useSearchParams();
   const userRole = user?.role;
   const isMegaAdmin = userRole === "mega_admin";
   const isAdmin = userRole === "admin" || isMegaAdmin;
   const section = ROLE_SECTION[userRole] || ROLE_SECTION.manager;
-  const [activeSection, setActiveSection] = React.useState(section.key);
+
+  // Active section from URL, fallback to role default
+  const activeSection = searchParams.get("tab") || section.key;
+  const setActiveSection = (key) => {
+    if (key === section.key) {
+      setSearchParams({}, { replace: true }); // default tab → clean URL
+    } else {
+      setSearchParams({ tab: key }, { replace: true });
+    }
+  };
 
   const {
     notifications,
@@ -70,10 +80,6 @@ export const DashboardPage = () => {
     loadError,
   } = useOrderGroups();
 
-  React.useEffect(() => {
-    setActiveSection(section.key);
-  }, [section.key]);
-
   const openGroupPage = React.useCallback((groupId) => {
     navigate("/dashboard/group/" + groupId);
   }, [navigate]);
@@ -132,7 +138,7 @@ export const DashboardPage = () => {
       onInstallApp={onInstallApp}
       isInstalled={isInstalled}
       isInstallAvailable={isInstallAvailable}
-      onOpenGuide={() => setActiveSection((current) => (current === "guide" ? section.key : "guide"))}
+      onOpenGuide={() => setActiveSection("guide")}
       isGuideOpen={isGuideOpen}
       navItems={navItems}
       activeSection={activeSection}