# Data source adapters (install only what you need)
kbcstorage>=0.9.0          # For Keboola adapter
google-cloud-bigquery>=3.0.0           # For BigQuery adapter
google-cloud-bigquery-storage>=2.0.0   # For BigQuery adapter (fast Arrow transfer)

# Data processing
# pandas - core tabular data processing library
# pyarrow - Parquet format support and fast operations
# pytz - timezone support required by DuckDB for reading timezone-aware Parquet columns
pandas>=2.0.0
pyarrow>=12.0.0
pytz>=2024.1

# Analytical database
# DuckDB - in-process SQL OLAP database for analytical queries
duckdb>=0.9.0

# Configuration
# python-dotenv - loading environment variables from .env files
# pyyaml - parsing YAML configuration from data_description.md
python-dotenv>=1.0.0
pyyaml>=6.0

# Progress tracking and logging
# tqdm - progress bars for long-running operations (download, sync)
tqdm>=4.65.0

# Web application (Google SSO portal)
# flask - web framework for self-service portal
# authlib - OAuth 2.0 / OpenID Connect library for Google SSO
# gunicorn - WSGI server for production deployment
flask>=3.0.0
authlib>=1.3.0
gunicorn>=21.0.0

# Telegram notification bot
# httpx - async HTTP client for Telegram API and unix socket communication
# aiohttp - async HTTP server for bot's internal send API
httpx>=0.27.0
aiohttp>=3.9.0
matplotlib>=3.8.0
numpy>=1.24.0

# Desktop app authentication
# PyJWT - JWT token creation and validation for desktop app auth
PyJWT>=2.8.0

# Password authentication for external users
# argon2-cffi - modern password hashing algorithm (Argon2id)
# sendgrid - email service for setup/reset links
argon2-cffi>=23.1.0
sendgrid>=6.11.0

# Corporate Memory knowledge extraction
# anthropic - Claude API client for HAIKU-based knowledge extraction
anthropic>=0.39.0

# OpenAI-compatible API client for LLM proxy routing (LiteLLM, OpenRouter, etc.)
openai>=1.0.0

# Sample data generation (development/testing)
# faker - realistic synthetic data for demo datasets
faker>=24.0.0