prefer file names for clinical sources

src/utils/clinicalRetrieval.js

@@ -224,17 +224,18 @@ function displayTitleForSource(source, fallback) {
   source = source || {};
   var rawTitle = String(source.title || '').trim();
   var filePath = source.file_path || source.filePath || source.path || '';
-  if (looksLikeInternalPdfTitle(rawTitle)) {
+  var fromPath = titleFromPath(filePath);
-    var fromPath = titleFromPath(filePath);
+  if (fromPath) return cleanTitle(fromPath);
-    if (fromPath) return cleanTitle(fromPath);
+  if (looksLikePdfMetadataJunk(rawTitle)) {
     var mapped = INTERNAL_TITLE_FALLBACKS[String(source.id || '')] || INTERNAL_TITLE_FALLBACKS[rawTitle];
     if (mapped) return mapped;
   }
   return cleanTitle(rawTitle || filePath || fallback || 'Untitled resource');
 }
 
-function looksLikeInternalPdfTitle(title) {
+function looksLikePdfMetadataJunk(title) {
-  return /\.qxd$/i.test(String(title || '').trim());
+  title = String(title || '').trim();
+  return /\.qxd$/i.test(title) || /^https?:\/\//i.test(title) || /^www\./i.test(title);
 }
 
 function titleFromPath(filePath) {

test/clinical-retrieval-title.test.js

@@ -46,6 +46,34 @@ test('clinical retrieval leaves normal source titles unchanged', () => {
   assert.equal(results[0].title, 'Nelson Textbook of Pediatrics');
 });
 
+test('clinical retrieval always prefers file basename over PDF metadata title', () => {
+  const results = normalizeMcpSearchResponse({
+    results: [{
+      id: 321,
+      doc_type: 'file',
+      title: 'Dermatology, Second Edition: 2-Volume Set (Bolognia, Dermatology)',
+      file_path: 'Medical Library/Dermatology/My%20Named%20Dermatology%20Source.pdf',
+      excerpt: 'Dermatologic therapy text'
+    }]
+  });
+
+  assert.equal(results[0].title, 'My Named Dermatology Source');
+});
+
+test('clinical retrieval prefers file basename for URL PDF metadata titles', () => {
+  const results = normalizeMcpSearchResponse({
+    results: [{
+      id: 456,
+      doc_type: 'file',
+      title: 'https://bookbaz.ir',
+      file_path: 'Medical Library/Dermatology/Bolognia%20Dermatology%20Second%20Edition.pdf',
+      excerpt: 'Dermatologic therapy text'
+    }]
+  });
+
+  assert.equal(results[0].title, 'Bolognia Dermatology Second Edition');
+});
+
 test('clinical retrieval strips image markdown while preserving OCR table text', () => {
   const results = normalizeMcpSearchResponse({
     results: [{