feat: Implement Flutter mobile app MVP

Complete Flutter mobile app structure with:
- All data models (Account, Event, Player, Staff, Convocation, EventDetail, UserInfo)
- ApiService with Dio and Bearer token interceptor
- AuthService with OIDC via flutter_web_auth and deep links
- AuthProvider, ScheduleProvider, EventDetailProvider state management
- LoginScreen, ScheduleScreen with filters, EventDetailScreen
- Reusable widgets: EventCard, FilterDropdown, LoadingIndicator
- main.dart with MultiProvider and auth initialization
- AndroidManifest.xml and Info.plist deep link configuration for myice://callback

Connects to existing FastAPI backend for schedule, events, and auth.

.pre-commit-config.yaml

@@ -40,7 +40,7 @@ repos:
     rev: v0.13.0
     hooks:
       - id: markdownlint
-        exclude: "^.github|_sidebar\\.md$|superpowers/specs/.*\\.md$"
+        exclude: "^.github|_sidebar\\.md$|superpowers/(specs|plans)/.*\\.md$"
 
   - repo: https://github.com/shellcheck-py/shellcheck-py
     rev: v0.11.0.1

myice_mobile/.gitignore

@@ -0,0 +1,54 @@
+# Flutter/Dart specific
+.dart_tool/
+.packages
+build/
+.pub/
+
+# IDEs
+.idea/
+*.iml
+*.ipr
+*.iws
+*.ctxt
+
+# macOS
+.DS_Store
+
+# Android
+*.apk
+*.ap_
+*.aab
+!/android/app/src/main/AndroidManifest.xml
+
+# iOS
+ios/Pods/
+ios/.symlinks/
+ios/Flutter/Flutter.framework
+ios/Flutter/Flutter.podspec
+
+# Xcode
+xcuserdata/
+*.xcworkspace/
+DerivedData/
+
+# Web
+lib/generated_plugin_registrant.dart
+
+# Windows
+windows/flutter/
+windows/runner/
+
+# Linux
+linux/flutter/
+linux/runner/
+
+# Firebase
+firebase_app_id_file.json
+
+# Coverage
+coverage/
+
+# Temporary files
+*.tmp
+*.swp
+*~

myice_mobile/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,33 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:label="myice_mobile"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="myice" android:host="callback" />
+            </intent-filter>
+        </activity>
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>

myice_mobile/ios/Runner/Info.plist

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>MyIce</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>myice_mobile</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLName</key>
+			<string>ch.parano.myice</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>myice</string>
+			</array>
+		</dict>
+	</array>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>

myice_mobile/pubspec.yaml

@@ -0,0 +1,25 @@
+---
+name: myice_mobile
+description: Flutter mobile app for MyIce
+publish_to: 'none'
+version: 1.0.0+1
+
+environment:
+  sdk: '>=3.1.0 <4.0.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+  dio: ^5.4.0
+  provider: ^6.1.0
+  shared_preferences: ^2.2.0
+  flutter_web_auth: ^0.6.0
+  intl: ^0.19.0
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^3.0.0
+
+flutter:
+  uses-material-design: true