Fix: Add missing email-validator for Pydantic authentication schema

Dockerfile

@@ -22,7 +22,7 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip
 
 # Step 1: Core Framework
-RUN pip install --no-cache-dir fastapi "uvicorn[standard]" python-multipart python-dotenv pydantic "pydantic-settings" motor "passlib[bcrypt]" PyJWT google-generativeai
+RUN pip install --no-cache-dir fastapi "uvicorn[standard]" python-multipart python-dotenv pydantic "pydantic-settings" email-validator motor "passlib[bcrypt]" PyJWT google-generativeai
 
 # Step 2: Heavy ML Engines (CPU Only)
 RUN pip install --no-cache-dir torch torchaudio torchvision --index-url https://download.pytorch.org/whl/cpu

requirements.txt

@@ -5,6 +5,7 @@ python-multipart
 python-dotenv
 pydantic
 pydantic-settings
+email-validator
 
 # ── Database & Auth ─────────────────────────────────────────────────
 motor