• Task 57: Implement Streaming API Support

    • Extended LLMClient interface with sendStreaming() method for real-time feedback
    • Implemented OpenAI streaming using Server-Sent Events (SSE) format
    • Implemented Ollama streaming using JSONL format
    • Added real-time progress indicators with emojis for enhanced user experience
    • Maintained backward compatibility with existing send() method (2025-01-18)