do not use synonyms

app.py

@@ -313,7 +313,7 @@ def extract_notes_for_comparison(data: Union[str, dict]) -> list[str]:
 
     olfactory_pyramid = data.get("Olfactory Pyramid") or data.get("olfactory pyramid")
     if not olfactory_pyramid:
-        return []  # Safely return empty
+        return []  # Safe fallback
 
     notes = []
     for layer in ["Top Notes", "Heart Notes", "Base Notes"]:
@@ -333,7 +333,7 @@ from rapidfuzz import fuzz
 def find_best_perfumes_from_json(data: Union[str, dict], top_n: int = 5, threshold: int = 80):
     """
     Finds top N matching perfumes using fuzzy matching on notes.
-    If no notes found, returns an empty dataframe with message.
+    If no notes found or no matches, returns an informative result.
     """
     user_notes = extract_notes_for_comparison(data)
     if not user_notes:
@@ -345,7 +345,8 @@ def find_best_perfumes_from_json(data: Union[str, dict], top_n: int = 5, thresho
             'similarity_score': 0
         }])
 
-    user_notes_clean = [apply_note_synonyms(n) for n in user_notes]
+    # Lowercase user notes
+    user_notes_clean = [n.strip().lower() for n in user_notes]
 
     matches = []
     for _, row in df.iterrows():