migrate to pinecone and show graph color

Update src/services/_data_extractor.py

fix: update Response model to use Optional for data field and correct method call in DataExtractorService

fix: rename sql_query to sqlite_query for consistency in SQLQueryExtractor and update references in DataExtractorService and PydanticAgent

fix: correct method signature for _model_schema_to_text; update OpenAI model name and fix parameter naming in PydanticAgent; enhance SQL query verification with logging and error handling

feat: refactor PydanticAgent to accept user_input and message_history as parameters in run method; update DataExtractorService to match new signature

feat: update SQL query execution to use text() for improved safety and consistency

feat: enhance DataExtractorService with table model mapping and schema extraction; integrate PydanticAgent and ChromaClient for data processing

feat: Update DataExtractorController and DataExtractorService to use Optional for message_history; add __init__.py for prompts module; modify Pydantic models to use Optional for list fields; raise exceptions in PydanticAgent

feat: Implement DataExtractorController and DataExtractorService for data extraction functionality

feat: Initialize FastAPI project with database configuration and CRUD structure