AI Notes API v1.0.0

Added

• Document upload and management for chat sessions
• Document endpoints: upload, list, get, download, delete
• Document, document chunk model and table
• Document processing job model and table
• Document, document chunk and document processing job repositories
• Document schemas
• Document and document processing job services
• S3-compatible document storage (aioboto3)
• Document text extraction (markitdown) and token-based chunking ingestion module
• Async document processing job (Celery): extract, chunk, embed and persist chunks
• pgvector extension and vector embeddings for document chunks
• Vector similarity search over document chunks
• Document chunk service
• RAG prompt builder and naive RAG integration into the LLM service
• LLM context builder assembling memory and retrieved document context
• Document-related exceptions

Changed

• Decomposed LLM service into an injectable context builder
• Moved text extraction and chunking into a dedicated ingestion module
• Renamed LLM models module to schemas
• Renamed generation job service and added status helpers
• Replaced the MinIO SDK with aioboto3 and updated S3 config names
• Switched the PostgreSQL image to pgvector
• Added error responses to API endpoints
• Updated README (endpoints, ERD, badges, description, dependencies)

Tests

• Document, document chunk, document processing job, RAG query and RAG query source repository tests
• Document chunk service tests
• RAG service and prompt builder tests
• LLM context builder tests
• LLM service tests (tool calls, memory task, context builder)