Update app.py

app.py

@@ -334,7 +334,8 @@ def search_budget_proposals(query: str) -> str:
         if not language_specific_matches:
             language_specific_matches = matches[:3]
         else:
-            language_specific_matches = language_specific_matches[:3]  # Limit to top 3
+            # Prioritize by relevance - take only the first (most relevant) language-specific match
+            language_specific_matches = language_specific_matches[:1]
         
         logger.info(f"Using {len(language_specific_matches)} language-specific matches for {detected_language}")
         
@@ -706,9 +707,9 @@ def get_document_language(filename: str) -> str:
     """Determine the language of a document from its filename"""
     filename_lower = filename.lower()
     
-    if '_sin_' in filename_lower or '_sinhala_' in filename_lower:
+    if any(indicator in filename_lower for indicator in ['_sin_', '-sin', 'sinhala', 'si/', '- sinhala']):
         return 'si'
-    elif '_tam_' in filename_lower or '_tamil_' in filename_lower:
+    elif any(indicator in filename_lower for indicator in ['_tam_', '-tam', 'tamil', 'ta/']):
         return 'ta'
     elif '_raj_' in filename_lower:
         return 'en'  # Treat Raj as English/default