Import IKAR messenger client and server

.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.buildlog/
+.history
+
+# IDE - IntelliJ / Android Studio
+.idea/
+*.iml
+
+# Flutter metadata
+.metadata
+
+# OS
+.DS_Store
+
+
+
+# Flutter repo-specific
+/bin/cache/
+/bin/internal/bootstrap.bat
+/bin/internal/bootstrap.sh
+/bin/mingit/
+/dev/benchmarks/mega_gallery/
+/dev/bots/.recipe_deps
+/dev/bots/android_tools/
+/dev/devicelab/ABresults*.json
+/dev/docs/doc/
+/dev/docs/flutter.docs.zip
+/dev/docs/lib/
+/dev/docs/pubspec.yaml
+/dev/integration_tests/**/xcuserdata
+/dev/integration_tests/**/Pods
+/packages/flutter/coverage/
+version
+analysis_benchmark.json
+
+# packages file containing multi-root paths
+.packages.generated
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+**/generated_plugin_registrant.dart
+.packages
+.pub-preload-cache/
+.pub/
+build/
+dist/
+flutter_*.png
+linked_*.ds
+unlinked.ds
+unlinked_spec.ds
+
+# Android related
+**/android/**/gradle-wrapper.jar
+.gradle/
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+**/android/key.properties
+*.jks
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/.last_build_id
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Flutter.podspec
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/ephemeral
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/Flutter/flutter_export_environment.sh
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# macOS
+**/Flutter/ephemeral/
+**/Pods/
+**/macos/Flutter/GeneratedPluginRegistrant.swift
+**/macos/Flutter/ephemeral
+**/xcuserdata/
+
+# Windows
+**/windows/flutter/generated_plugin_registrant.cc
+**/windows/flutter/generated_plugin_registrant.h
+**/windows/flutter/generated_plugins.cmake
+
+# Linux
+**/linux/flutter/generated_plugin_registrant.cc
+**/linux/flutter/generated_plugin_registrant.h
+**/linux/flutter/generated_plugins.cmake
+
+# Coverage
+coverage/
+
+# Symbols
+app.*.symbols
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+!/dev/ci/**/Gemfile.lock
+
+# AI / Agents
+agents.md
+.claude/
+
+# Environment variables
+.env
+.env.*
+# Локальные дампы трафика и скрипты анализа (содержат секреты)
+qlyra.txt
+original_app.txt
+fingerprint.py
+PCAPdroid_*.txt
+
+# Локальные рабочие файлы и эксперименты (не для репозитория)
+PR_FullStack.md
+docs/
+maxmint/
+maxtun/
+turnprobe/
+test/live_server_probe_test.dart
+
+pubspec_overrides.yaml
+.cargo/
+**/target/
+.codex-temp/
+
+# IKAR local secrets and generated artifacts
+.secrets/
+.migration/
+*.log
+ikar-*.tgz
+ikar_server/**/bin/
+ikar_server/**/obj/
+ikar_server/publish/
+ikar_server/.env*
+!ikar_server/.env.example
+artifacts/
+
+# IKAR local secrets and generated artifacts
+.secrets/
+.migration/
+*.log
+ikar-*.tgz
+ikar_server/**/bin/
+ikar_server/**/obj/
+ikar_server/publish/
+ikar_server/.env*
+!ikar_server/.env.example
+artifacts/
+
+# Local source snapshots
+*.before-*
+