migrate to pinecone and show graph color

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Update src/schemas/_pydantic_agent.py

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

feat: enhance SQL query generation and validation; add detailed descriptions to Pydantic models and enforce SELECT-only rule in query verification

feat: rename QueryExtractor to SQLQueryExtractor and update related imports; introduce SQL_QUERY_EXTRACTOR_PROMPT in PydanticAgent

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: Add Pydantic models for query extraction and implement PydanticAgent for SQL query verification

feat: Add initial schema definitions in __init__.py