[WIP] feat: support realtime api

[AlbumenJ]

Ref #106

[Copilot]

Pull request overview

This PR introduces support for realtime API capabilities in AgentScope-Java, enabling live voice conversation through WebSocket connections. The implementation includes support for multiple providers (OpenAI, Gemini, DashScope), audio processing, connection management with automatic reconnection, and a Spring Boot demo application.

Changes:

• Added live API infrastructure including LiveAgent, LiveModel implementations, and WebSocket transport layer
• Implemented audio format handling, resampling, and streaming capabilities
• Created comprehensive test coverage for live API components
• Added live-demo Spring Boot application showcasing WebSocket-based voice conversation

Reviewed changes

Copilot reviewed 100 out of 104 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
agentscope-examples/live-demo/pom.xml	Maven configuration for live demo with Spring Boot WebFlux dependencies
agentscope-examples/live-demo/src/main/resources/application.yml	Spring Boot configuration for WebSocket server and DashScope API integration
agentscope-examples/live-demo/src/main/java/io/agentscope/demo/live/*.java	WebSocket handler, message DTOs, and Spring configuration for live demo
agentscope-core/src/main/java/io/agentscope/core/model/transport/*.java	Proxy configuration support for HTTP/SOCKS proxies
agentscope-core/src/main/java/io/agentscope/core/message/Source.java	Added RawSource type to Source type hierarchy
agentscope-core/src/test/java/**/*.java	Comprehensive unit tests for live API components, transport layer, and audio processing

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[codecov]

Codecov Report

❌ Patch coverage is 70.98646% with 750 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
.../main/java/io/agentscope/core/agent/LiveAgent.java	49.53%	94 Missing and 15 partials ⚠️
...ope/core/live/transport/OkHttpWebSocketClient.java	13.63%	95 Missing ⚠️
...pe/core/live/transport/JdkWebSocketConnection.java	19.09%	84 Missing and 5 partials ⚠️
...scope/core/live/formatter/GeminiLiveFormatter.java	78.26%	34 Missing and 36 partials ⚠️
...tscope/core/live/transport/JdkWebSocketClient.java	11.68%	68 Missing ⚠️
...scope/core/live/formatter/OpenAILiveFormatter.java	82.37%	24 Missing and 22 partials ⚠️
...agentscope/core/live/model/DashScopeLiveModel.java	72.44%	30 Missing and 5 partials ⚠️
...io/agentscope/core/live/model/OpenAILiveModel.java	77.77%	26 Missing and 6 partials ⚠️
...ntscope/core/model/transport/JdkHttpTransport.java	0.00%	27 Missing and 1 partial ⚠️
...entscope/core/model/transport/OkHttpTransport.java	0.00%	27 Missing and 1 partial ⚠️
... and 22 more

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