fix: replace incorrect logo.png with m8logo.svg

Removed logo.png (wrong logo). Added m8logo.svg from BrandingKit as
the correct M8Chat logo. Login screen now renders SVG via flutter_svg.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

assets/images/m8logo.svg

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Layer_1" xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 429 429">
+  <!-- Generator: Adobe Illustrator 29.3.0, SVG Export Plug-In . SVG Version: 2.1.0 Build 100)  -->
+  <defs>
+    <style>
+      .st0 {
+        fill: #f8fbfe;
+      }
+
+      .st1 {
+        fill: #1466eb;
+      }
+    </style>
+  </defs>
+  <path class="st1" d="M70.64,352.36c-3.51-2.16,1.51-50.04-.33-57.17-.72-2.41-16.56-9.68-20.12-11.88-54.87-34.03-34.77-110.33,1.79-150.82,55.72-61.71,140.84-65.99,217.72-49.69,48.91,10.37,149.12,46.91,145.84,109.25-2.02,38.32-56.82,85.23-88.37,102.62-66.49,36.67-140.36,36.21-212.2,16.21-2.19.3-16.47,21.54-19.5,25.09-3.72,4.36-18.49,20.3-24.83,16.39ZM314.5,196.52c15.07-5.73,19.34-26.28,12.4-39.91-14.75-28.96-81.5-25.08-84.39,11.41-.63,8.02,3.12,19.38,8.95,25.02,2.58,2.49,7.86,3.06,4.98,5.91-4.11,4.07-8.05,4.76-11.77,11.23-23.76,41.34,43.05,66.64,75.74,40.74,14.99-11.88,16.47-35.84,1.56-48.38-2.18-1.83-5.36-2.8-6.85-3.96-.97-.76-.79-.82-.62-2.05ZM118.5,139.5h-36v120h23v-88l31.16,86.34.79,1.21,23.9.32,31.14-86.86v85.5c0,.11,1.39,1.5,1.5,1.5h21.5v-120h-34.5c-11.09,24.47-16.9,52.95-27.47,77.53-1.08,2.52-3.04,6.59-5.02,8.47l-30.01-86Z"/>
+  <g>
+    <path class="st0" d="M118.5,139.5l30.01,86c1.98-1.88,3.94-5.94,5.02-8.47,10.56-24.59,16.37-53.06,27.47-77.53h34.5v120h-21.5c-.11,0-1.5-1.39-1.5-1.5v-85.5l-31.14,86.86-23.9-.32-.79-1.21-31.16-86.34v88h-23v-120h36Z"/>
+    <g>
+      <path class="st0" d="M314.5,196.52c-.17,1.23-.35,1.29.62,2.05,1.48,1.17,4.67,2.13,6.85,3.96,14.91,12.55,13.43,36.51-1.56,48.38-32.68,25.9-99.5.6-75.74-40.74,3.72-6.47,7.66-7.16,11.77-11.23,2.88-2.86-2.4-3.42-4.98-5.91-5.84-5.64-9.59-17-8.95-25.02,2.88-36.49,69.63-40.37,84.39-11.41,6.95,13.63,2.68,34.19-12.4,39.91ZM281.26,156.76c-20.8,2.86-20.27,28.16-1.17,30.66,10.68,1.4,26.97-.71,27.32-14.51.36-14.27-14.74-17.71-26.15-16.15ZM279.26,207.76c-8.99,1.29-15.54,7.92-15.55,17.24-.02,22.72,41.87,22.15,44.72,3.94,3.04-19.37-13.32-23.45-29.17-21.18Z"/>
+      <path class="st1" d="M279.26,207.76c15.85-2.28,32.21,1.81,29.17,21.18-2.86,18.21-44.75,18.78-44.72-3.94,0-9.32,6.57-15.95,15.55-17.24Z"/>
+      <path class="st1" d="M281.26,156.76c11.41-1.57,26.51,1.88,26.15,16.15-.35,13.8-16.64,15.91-27.32,14.51-19.1-2.5-19.63-27.8,1.17-30.66Z"/>
+    </g>
+  </g>
+</svg>

lib/features/auth/presentation/login_screen.dart

@@ -1,9 +1,10 @@
-// Version: 1.1.0 | Created: 2026-04-01 | Updated: 2026-04-02
+// Version: 1.2.0 | Created: 2026-04-01 | Updated: 2026-04-03
 // Login screen. Username + password only. No registration link.
 // Respects system theme preference.
 
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 
 import '../../../core/config/app_config.dart';
 import 'login_controller.dart';
@@ -102,15 +103,10 @@ class _LogoSection extends StatelessWidget {
   Widget build(BuildContext context) {
     return Column(
       children: [
-        Image.asset(
+        SvgPicture.asset(
-          'assets/images/logo.png',
+          'assets/images/m8logo.svg',
           width: 96,
           height: 96,
-          errorBuilder: (_, __, ___) => CircleAvatar(
-            radius: 48,
-            backgroundColor: theme.colorScheme.primary,
-            child: const Icon(Icons.chat_bubble, size: 48, color: Colors.white),
-          ),
         ),
         const SizedBox(height: 20),
         Text(

pubspec.yaml

@@ -46,6 +46,7 @@ dependencies:
   cached_network_image: ^3.4.0
   timeago: ^3.7.0
   intl: ^0.20.0
+  flutter_svg: ^2.2.4
 
 dev_dependencies:
   flutter_test: