indent fix

src/model.py

@@ -185,11 +185,11 @@ def extract_and_link_sources(text, evidence_snippets):
     
     # Replace other citation formats
         for source_id_key, source_data in source_map.items():
-        if not (source_id_key.startswith("PMID:") or source_id_key.startswith("DOI:")):
-            safe_id = re.escape(source_id_key)
-            pattern = f"\\[{safe_id}\\]"
-            replacement = f"[{source_data['title']}]({source_data['url']})"
-            linked_text = re.sub(pattern, replacement, linked_text)
+            if not (source_id_key.startswith("PMID:") or source_id_key.startswith("DOI:")):
+                safe_id = re.escape(source_id_key)
+                pattern = f"\\[{safe_id}\\]"
+                replacement = f"[{source_data['title']}]({source_data['url']})"
+                linked_text = re.sub(pattern, replacement, linked_text)
     
     # Handle generic [source_id] placeholder
     if "source_id" in source_matches: