Fix Browse All to use list_tools instead of search_tools

search_tools requires a query, but list_tools allows browsing
without a search term. Use list_tools when no query or tags are set.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/cmdforge/gui/pages/registry_page.py

@@ -32,9 +32,20 @@ class SearchWorker(QThread):
     def run(self):
         try:
             client = RegistryClient()
+            category = self.category if self.category and self.category != "All" else None
+
+            # Use list_tools for browsing (no query/tags), search_tools for searching
+            if not self.query and not self.tags:
+                result = client.list_tools(
+                    category=category,
+                    page=self.page,
+                    per_page=self.per_page,
+                    sort=self.sort
+                )
+            else:
                 result = client.search_tools(
                     self.query,
-                category=self.category if self.category and self.category != "All" else None,
+                    category=category,
                     tags=self.tags,
                     page=self.page,
                     per_page=self.per_page,