Miler rider app: surface system, visible design language, backend lifecycle

Design system
- MilerSurface ladder (canvas → working → raised → floating) with MilerPanel
  as layer 1; canvas moved to #DEE3EA so white separates at 1.290:1.
- Visible vocabulary applied across Home, Deliveries, Activity, Account and
  the sheets: hero heads (tabular numeral + small caption, clamped at 1.3x),
  canvas wells for anything that opens, small filled tags for shelf labels,
  demoted placeholders. Recorded in DESIGN_SYSTEM.md §6.
- One icon family: 222 Material glyphs migrated to Lucide; none left outside
  lib/xpress.
- Colour semantics corrected: amber only for what is genuinely owed, brand red
  reserved for the live stop, disabled primaries go neutral rather than pale.

Data and lifecycle
- lib/data/lifecycle.dart reads mutations for what they prove; route_order.dart
  makes admin sequence the single ordering authority; service_day.dart, and
  stop_area.dart rewritten against live Coimbatore addresses (digit-token
  stripping, city stoplist, street suffixes, stammer collapse).
- countLabel states the load once, in bags.

Testing
- 1440 tests passing; golden shot harnesses for Home, Deliveries, Activity,
  sheets and verify, with test/failures/ now gitignored (diff debris).
- New pins: home_gutter_test, stop_area_test, plus updated structural bounds.

Note: this commit also carries pre-existing working-tree deletions that were
present before this work (API_SPEC.md, README.md, demo test fixtures).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

lib/xpress/widget/Bottom_page.dart

@@ -0,0 +1,128 @@
+import 'package:flutter/material.dart';
+import 'package:miler/xpress/views/Dashboard/deliveries/deliveries.dart';
+import 'package:miler/xpress/views/Dashboard/home/homepage.dart';
+import 'package:miler/xpress/views/Dashboard/summary/summary.dart';
+import 'package:miler/xpress/views/Dashboard/profile/Profilepage.dart';
+import 'package:miler/xpress/views/helpers/constants/Colorconstants.dart';
+import 'package:miler/xpress/views/helpers/constants/Font_constant.dart';
+
+class BottomPage extends StatefulWidget {
+  final int initialIndex;
+  final Widget? overridePage;
+  final List<String> acceptedOrders;
+  const BottomPage({
+    super.key,
+    this.initialIndex = 0,
+    this.overridePage,
+    this.acceptedOrders = const [],
+  });
+  @override
+  State<BottomPage> createState() => _BottomPageState();
+}
+
+class _BottomPageState extends State<BottomPage> {
+  late int selected;
+  late final List<Widget> _pages;
+  @override
+  void initState() {
+    super.initState();
+    selected = widget.initialIndex;
+    _pages = [
+      widget.overridePage ?? const Homepage(),
+      const MyDeliveries(),
+      const Summary(), // Removed Cartpage - active deliveries now shown in deliveries page banner
+      const ProfilePage(),
+    ];
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Theme(
+      data: Theme.of(context).copyWith(
+        textTheme: Theme.of(
+          context,
+        ).textTheme.apply(fontFamily: FontConstants.fontFamily),
+      ),
+      child: Scaffold(
+        body: IndexedStack(index: selected, children: _pages),
+        bottomNavigationBar: Container(
+          decoration: const BoxDecoration(
+            color: Colors.white,
+            boxShadow: [
+              BoxShadow(
+                color: Colors.black12,
+                blurRadius: 6,
+                offset: Offset(0, -2),
+              ),
+            ],
+          ),
+          child: BottomNavigationBar(
+            backgroundColor: Colors.white,
+            currentIndex: selected,
+            onTap: (index) => setState(() => selected = index),
+            type: BottomNavigationBarType.fixed,
+            selectedItemColor: ColorConstants.primaryColor,
+            unselectedItemColor: Colors.grey,
+            selectedFontSize: 14,
+            unselectedFontSize: 12,
+            showUnselectedLabels: true,
+            items: const [
+              BottomNavigationBarItem(
+                icon: ImageIcon(
+                  AssetImage("assets/images/homeicon.png"),
+                  size: 30,
+                  color: Colors.grey,
+                ),
+                activeIcon: ImageIcon(
+                  AssetImage("assets/images/selecthome.png"),
+                  size: 30,
+                  color: ColorConstants.primaryColor,
+                ),
+                label: 'HOME',
+              ),
+              BottomNavigationBarItem(
+                icon: ImageIcon(
+                  AssetImage("assets/images/deliveryicon.png"),
+                  size: 30,
+                  color: Colors.grey,
+                ),
+                activeIcon: ImageIcon(
+                  AssetImage("assets/images/selecteddelivery.png"),
+                  size: 30,
+                  color: ColorConstants.primaryColor,
+                ),
+                label: 'DELIVERIES',
+              ),
+              BottomNavigationBarItem(
+                icon: ImageIcon(
+                  AssetImage("assets/images/summary.png"),
+                  size: 30,
+                  color: Colors.grey,
+                ),
+                activeIcon: ImageIcon(
+                  AssetImage("assets/images/selectedsummary.png"),
+                  size: 30,
+                  color: ColorConstants.primaryColor,
+                ),
+                label: 'SUMMARY',
+              ),
+              BottomNavigationBarItem(
+                icon: ImageIcon(
+                  AssetImage("assets/images/profileicon.png"),
+                  size: 30,
+                  color: Colors.grey,
+                ),
+                activeIcon: ImageIcon(
+                  AssetImage("assets/images/selectedprofile.png"),
+                  size: 30,
+                  color: ColorConstants.primaryColor,
+                ),
+                label: 'PROFILE',
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}