Search: sort by timestamp desc, display dates in results

- FTS search results now ORDER BY processed_at DESC (was rank)
- Full search page shows processed timestamp with formatDateTime
- Quick search dropdown shows formatted date next to category
- Fixed formatDate to handle timezone-aware timestamps

db.go

@@ -337,7 +337,7 @@ func SearchDocuments(query string, limit int) ([]Document, error) {
 		FROM documents d
 		JOIN documents_fts fts ON d.id = fts.id
 		WHERE documents_fts MATCH ?
-		ORDER BY rank
+		ORDER BY d.processed_at DESC
 		LIMIT ?
 	`, query, limit)
 
@@ -731,7 +731,7 @@ func SearchDocumentsWithFullText(query string, limit int) ([]Document, error) {
 		FROM documents d
 		JOIN documents_fts fts ON d.id = fts.id
 		WHERE documents_fts MATCH ?
-		ORDER BY rank
+		ORDER BY d.processed_at DESC
 		LIMIT ?
 	`, query, limit)
 	if err != nil {

main.go

@@ -157,6 +157,8 @@ func categoryIcon(cat string) string {
 
 func formatDate(s string) string {
 	formats := []string{
+		"2006-01-02T15:04:05-07:00",
+		"2006-01-02T15:04:05.999999-07:00",
 		"2006-01-02T15:04:05.999999",
 		"2006-01-02T15:04:05",
 		"2006-01-02",

templates/partials/document-list.html

@@ -8,7 +8,10 @@
             <p class="font-medium text-gray-900 dark:text-white truncate text-sm">{{.Title}}</p>
             <p class="text-xs text-gray-500 dark:text-gray-400 truncate">{{truncate .Summary 50}}</p>
         </div>
-        <span class="ml-2 text-xs text-gray-400">{{title .Category}}</span>
+        <div class="ml-2 text-right flex-shrink-0">
+            <span class="text-xs text-gray-400 block">{{title .Category}}</span>
+            {{if .ProcessedAt}}<span class="text-xs text-gray-400 block">{{formatDate .ProcessedAt}}</span>{{end}}
+        </div>
     </a>
     {{end}}
 </div>

templates/search.html

@@ -56,7 +56,9 @@
                                 {{title .Type}}
                             </span>
                             {{end}}
-                            {{if .Date}}
+                            {{if .ProcessedAt}}
+                            <span class="text-xs text-gray-500 dark:text-gray-400">📅 {{formatDateTime .ProcessedAt}}</span>
+                            {{else if .Date}}
                             <span class="text-xs text-gray-500 dark:text-gray-400">{{formatDate .Date}}</span>
                             {{end}}
                             {{if .Score}}