Update requirements.txt

requirements.txt

@@ -5,13 +5,14 @@ requests>=2.31.0
 # LlamaIndex
 llama-index
 llama-index-core
-llama-index-llms-huggingface-api  # ← Ajoutez ce package manquant
+llama-index-llms-huggingface-api 
 llama-index-embeddings-huggingface
 llama-index-readers-file
 llama-index-tools-arxiv
 llama-index-postprocessor-sbert-rerank
 llama-index-readers-web
 llama-index-llms-openrouter
+llama-index-callbacks-wandb
 
 # ML Stack (ESSENTIELS)
 transformers>=4.37.0,<5.0.0  # ← Essentiel pour HF ecosystem
@@ -21,4 +22,5 @@ sentence-transformers>=2.6.1,<3.0.0  # ← Version compatible
 # Utilities
 duckduckgo-search
 Pillow
-python-dotenv
+python-dotenv
+wandb