{
  "product_vision": "Multi-agent LLM financial trading framework that mirrors real-world trading firm dynamics for research-based market analysis and trading decisions",
  "existing_features": [
    "news_domain_95_complete",
    "google_news_client", 
    "article_scraper_client",
    "news_repository_with_embeddings",
    "postgresql_timescaledb_stack",
    "agent_toolkit_rag_integration",
    "openrouter_llm_provider"
  ],
  "architecture": {
    "layer_pattern": "Router → Service → Repository → Entity → Database",
    "database": "PostgreSQL + TimescaleDB + pgvectorscale",
    "llm_provider": "OpenRouter unified interface",
    "agent_orchestration": "LangGraph workflows",
    "data_pipeline": "Dagster (planned, not implemented)",
    "domain_structure": "news (95% complete), marketdata (planned), socialmedia (planned)",
    "testing_strategy": "Domain-specific: mocks for services, real DB for repositories, pytest-vcr for HTTP"
  },
  "news_implementation_status": {
    "core_components": {
      "NewsService": "Business logic with company/global news context",
      "NewsRepository": "Async PostgreSQL with batch upsert, vector embeddings",
      "GoogleNewsClient": "RSS feed client for live data",
      "ArticleScraperClient": "newspaper4k with paywall detection"
    },
    "data_models": {
      "NewsArticle": "Domain dataclass with validation",
      "NewsArticleEntity": "SQLAlchemy model with 1536-dim vector embeddings"
    },
    "key_features": [
      "URL-based deduplication",
      "Vector embeddings for similarity",
      "Paywall detection and fallback",
      "Comprehensive test coverage with pytest-vcr"
    ]
  },
  "dagster_status": "Planned but not implemented - documentation references exist but no pipeline code",
  "technical_patterns": {
    "async_operations": "All repository methods async with session management",
    "batch_operations": "upsert_batch for performance",
    "error_handling": "Graceful degradation with logging",
    "vector_search": "Semantic similarity for RAG",
    "connection_management": "DatabaseManager with asyncpg and pooling"
  }
}