Fix: Add missing dependencies for News Search & Sentiment Analysis

Dockerfile

@@ -16,8 +16,12 @@ RUN pip install --no-cache-dir -r requirements.txt
 # This avoids slow cold-start downloads at runtime
 RUN python -c "\
 from sentence_transformers import SentenceTransformer, CrossEncoder; \
+from transformers import AutoTokenizer, AutoModelForSequenceClassification; \
 SentenceTransformer('all-MiniLM-L6-v2'); \
-CrossEncoder('cross-encoder/ms-marco-MiniLM-L-6-v2')"
+CrossEncoder('cross-encoder/ms-marco-MiniLM-L-6-v2'); \
+model_name = 'cardiffnlp/twitter-roberta-base-sentiment-latest'; \
+AutoTokenizer.from_pretrained(model_name); \
+AutoModelForSequenceClassification.from_pretrained(model_name)"
 
 # Copy application code
 COPY . .

requirements.txt

@@ -19,3 +19,7 @@ PyPDF2==3.0.1
 python-docx==1.1.0
 langgraph==0.0.34
 langchain-core>=0.1.38,<0.2.0
+requests==2.31.0
+beautifulsoup4==4.12.2
+dateparser==1.2.0
+scipy==1.11.3