Initial project

.gitignore

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+# Dart/Flutter
+.dart_tool/
+.packages
+build/
+*.g.dart
+*.freezed.dart
+*.mocks.dart
+# SDK packages do not commit lock files; root workspace lock is tracked
+packages/*/pubspec.lock
+
+# IDE
+.idea/
+.vscode/
+*.iml
+*.swp
+*.swo
+
+# iOS
+**/ios/Pods/
+**/ios/.symlinks/
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Flutter.podspec
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/ephemeral/
+**/ios/Flutter/flutter_export_environment.sh
+**/DerivedData/
+**/Podfile.lock
+
+# Android
+**/android/.gradle/
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+**/android/**/GeneratedPluginRegistrant.kt
+
+# macOS
+**/macos/Flutter/ephemeral/
+**/macos/Pods/
+**/macos/Flutter/GeneratedPluginRegistrant.swift
+
+# Windows
+**/windows/flutter/ephemeral/
+**/windows/flutter/generated_plugin_registrant.cc
+**/windows/flutter/generated_plugin_registrant.h
+**/windows/flutter/generated_plugins.cmake
+
+# Melos
+.melos/
+
+# Mason
+.mason/
+mason-lock.json
+
+# System
+.DS_Store
+Thumbs.db
+
+# Coverage
+coverage/
+*.lcov
+
+# Environment
+.env
+.env.*
+
+# Claude Code (local instructions, not shared)
+CLAUDE.local.md
+
+# 架构文档备份（本地临时文件，不入库）
+Doc/*.bak.html
+
+# Claude Code
+.claude/