# === Core Framework ===
fastapi==0.115.5
uvicorn[standard]==0.32.1
pydantic==2.9.2
pydantic-settings==2.6.1
pydantic-extra-types[phonenumbers]>=2.0.0  # Saudi phone validation (+966)
python-multipart==0.0.12

# === Database ===
sqlalchemy==2.0.36
asyncpg==0.30.0
psycopg2-binary==2.9.10
alembic==1.14.0
pgvector==0.3.6

# === AI / LLM Providers ===
litellm>=1.40.0              # Unified LLM provider (Groq/OpenAI/Claude/Gemini) with fallback
instructor>=1.14.0           # Structured LLM outputs via Pydantic models
groq==0.12.0
openai==1.57.0
langchain==0.3.9
langchain-groq==0.2.1
langchain-community==0.3.9
langchain-anthropic==0.2.0
langgraph==0.2.53
crewai==0.80.0
mem0ai==0.1.18

# === Arabic NLP ===
camel-tools>=1.5.0           # Arabic morphology, NER, dialect detection (NYU Abu Dhabi)
pyarabic>=0.6.15             # Arabic text normalization, diacritics removal

# === WhatsApp Business API ===
pywa>=3.0.0                  # Direct WhatsApp Cloud API (async, webhooks, templates)
twilio==9.3.7                # Twilio fallback

# === Communication ===
httpx==0.27.2
resend>=2.0.0                # Transactional email API (free tier, FastAPI-native)

# === Saudi-specific ===
hijridate>=2.4.0             # Hijri-Gregorian calendar (Umm al-Qura, official Saudi)
phonenumbers>=8.13.0         # Saudi phone number validation and formatting

# === PDF Generation (Arabic RTL) ===
weasyprint>=60.0             # HTML/CSS to PDF with Arabic RTL support

# === Security ===
PyJWT[crypto]>=2.8.0         # JWT (replaces abandoned python-jose)
passlib[bcrypt]==1.7.4
bcrypt>=4.0.1,<5
slowapi>=0.1.9               # API rate limiting with Redis backend

# === Caching & Performance ===
redis==5.2.0
fastapi-cache2>=0.2.1        # Response caching with Redis backend
celery-redbeat>=2.2.0        # Dynamic Celery Beat scheduler (Redis-backed)

# === Monitoring & Logging ===
sentry-sdk[fastapi]>=2.0.0   # Error tracking + performance monitoring
prometheus-fastapi-instrumentator>=7.0.0  # Prometheus metrics
structlog>=24.0.0            # Structured JSON logging with tenant context

# === Testing ===
pytest>=8.0.0
pytest-asyncio>=0.23.0       # Async test support
pytest-cov>=5.0.0            # Coverage reporting
factory-boy>=3.3.0           # Test data factories for SQLAlchemy models

# === Forecasting ===
statsforecast>=1.7.0         # Fast statistical time-series forecasting

# === Data & Utilities ===
beautifulsoup4==4.12.3
lxml==5.3.0
requests==2.32.3
python-dateutil==2.9.0
pandas==2.2.3
numpy==2.1.3
python-decouple==3.8
paramiko==3.5.0
qrcode==8.0
Pillow==11.0.0
xmltodict==0.14.2
email-validator>=2.1.0