fix: Change truncate to truncation in tokenizer.encode()

TypeError: PreTrainedTokenizerFast._batch_encode_plus() got an unexpected keyword argument 'truncate'

🔧 Fix:
- Change 'truncate=True' to 'truncation=True'
- Correct parameter name for Transformers library
- Fixes tokenization error during inference

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -85,7 +85,7 @@ def generate_response(message, history):
         inputs = current_tokenizer.encode(
             conversation,
             return_tensors="pt",
-            truncate=True,
+            truncation=True,
             max_length=512,
         ).to('cuda')