Simplify mobile navigation and update progress plan

.gitignore

@@ -1,45 +1,67 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
+# -----------------------------
+# OS / Editor
+# -----------------------------
 .DS_Store
-.atom/
-.build/
-.buildlog/
-.history
-.svn/
-.swiftpm/
-migrate_working_dir/
-
-# IntelliJ related
+*.swp
+*.swo
+*.tmp
+*.orig
+*.rej
+.idea/
 *.iml
 *.ipr
 *.iws
-.idea/
 
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
+# VS Code (keep shared recommendations if added)
+.vscode/*
+!.vscode/extensions.json
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
 
-# Flutter/Dart/Pub related
-**/doc/api/
-**/ios/Flutter/.last_build_id
+# -----------------------------
+# Dart / Flutter
+# -----------------------------
 .dart_tool/
+.flutter-plugins
 .flutter-plugins-dependencies
-.pub-cache/
+.packages
 .pub/
+.pub-cache/
 /build/
-/coverage/
+coverage/
+**/doc/api/
 
-# Symbolication related
+# Generated symbol / map files
 app.*.symbols
-
-# Obfuscation related
 app.*.map.json
 
-# Android Studio will place build artifacts here
-/android/app/debug
-/android/app/profile
-/android/app/release
+# -----------------------------
+# Android
+# -----------------------------
+android/.gradle/
+android/app/debug/
+android/app/profile/
+android/app/release/
+
+# -----------------------------
+# iOS / macOS generated
+# -----------------------------
+ios/Flutter/ephemeral/
+ios/Flutter/.last_build_id
+ios/Pods/
+ios/.symlinks/
+ios/Runner.xcworkspace/xcuserdata/
+ios/Runner.xcodeproj/xcuserdata/
+
+macos/Flutter/ephemeral/
+macos/Pods/
+macos/.symlinks/
+macos/Runner.xcworkspace/xcuserdata/
+macos/Runner.xcodeproj/xcuserdata/
+
+# -----------------------------
+# Linux / Windows generated
+# -----------------------------
+linux/flutter/ephemeral/
+windows/flutter/ephemeral/