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)

AI Notes API v0.4.0

Added

• LLM tool registry and built-in toolkit
• Note tools: create, get by id, search, update, delete
• Toolkit integration into LLM service
• OpenAI integration client
• Separate embeddings client
• Chat memory model and table
• Chat memory repository, service and schemas
• Chat session memory endpoint
• Conversation summarizer
• Facts extractor service
• Memory prompt builder and prompts
• Async memory update job (Celery)
• Message get_messages_after repository helper

Changed

• Split LLM client into completion and embeddings clients
• Isolated LLM service from message model
• Tools use note service instead of DB session
• Chat session to memory as one-to-one relation
• Updated README and environment variables

Security

• User-scoped chat memory access

Tests

• Tool registry, factory and models tests
• Built-in note tools tests
• Chat memory repository, service and endpoint tests
• Summarizer, extractor and prompt builder tests
• LLM embeddings client tests
• Message repository tests

AI Notes API v0.3.0

Added

• Chat sessions CRUD API
• Chat session messages listing
• Chat messages get/delete API
• Streaming chat completions (SSE)
• Async LLM generation jobs (Celery)
• Generation job status endpoint
• OpenAI async client
• Prompt builder with context limit
• Health check endpoint
• Redis broker and result backend
• Celery worker service
• Message soft-delete

Changed

• UUID primary keys instead of integer IDs
• Updated README and environment variables

Security

• Chat generation lock per session
• User-scoped chat and message access

Tests

• Chat session service, repository and API tests
• Message service and endpoint tests
• LLM service and streaming tests
• Generation job service and endpoint tests
• Chat lock tests

AI Notes API v0.2.0

Added

• User registration
• JWT authentication
• Current user endpoint
• Password hashing
• Note ownership
• Protected notes API

Security

• Passwords stored as hashes
• JWT access tokens
• User-scoped note access

Tests

• Auth flow tests
• Ownership tests

AI Notes API v0.1.0

Initial release.

Features:

• FastAPI backend
• PostgreSQL
• Async SQLAlchemy
• CRUD for notes
• Search and filtering
• Soft delete
• Docker Compose
• Alembic migrations
• Tests