feat: Refactor stance detection, keypoint matching, and argument generation to utilize dedicated model managers for improved reliability and response handling

feat: Implement audio transcription and speech generation endpoints with file upload support and improved response handling

feat: Enhance ToolCallRequest and ToolCallResponse models with detailed examples and descriptions for improved clarity and usability in MCP tool calls.

refactor: Remove GenerateArgumentRequest and GenerateArgumentResponse models; update generate_argument endpoint to accept topic and position parameters.

Add response models for new MCP tools: DetectStance, MatchKeypoint, TranscribeAudio, GenerateSpeech, and GenerateArgument

Enhance MCP tool performance by implementing asynchronous handling in tool calls

Update MCP tool calls to use asynchronous handling for improved performance and responsiveness

Refactor MCP tool handling to use hardcoded tool definitions and improve return value handling in health check and tool calls

Update expose

update mcp part

correct main

update mcp part

add mcp part