Initial project import

.gitignore

@@ -0,0 +1,55 @@
+# Local secrets and environment files
+.env
+.env.*
+**/.env
+**/.env.*
+*.local
+
+# Build outputs and dependency caches
+node_modules/
+dist/
+dist-ssr/
+build/
+.dart_tool/
+.gradle/
+bin/
+obj/
+coverage/
+.downloads/
+
+# Flutter/Dart generated files
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+app.*.symbols
+app.*.map.json
+frontend/android/app/debug/
+frontend/android/app/profile/
+frontend/android/app/release/
+
+# Release, filing, and backup artifacts
+release/
+backups/
+filing/
+*.apk
+*.sql
+*.pem
+*.der
+*.p12
+*.jks
+*.keystore
+!frontend/android/app/src/internal/res/raw/
+!frontend/android/app/src/internal/res/raw/sakura_frp_test_ca.pem
+
+# Local tool metadata
+.agents/
+.codex/
+.git-local/
+.idea/
+.vscode/
+.DS_Store
+*.log
+*.tmp
+*.swp