feat: improve web search and consolidate browser open

scripts/browser_remote.py

@@ -244,12 +244,14 @@ def main() -> None:
         logger.error("Failed to connect to GCU server: %s", e)
         sys.exit(1)
 
-    # Auto-start browser context so tools work immediately
+    # Warm the browser context so the first interactive call doesn't pay the
+    # cold-start round trip. about:blank lazy-creates the context just like
+    # a real URL would, without committing to a destination page.
     try:
-        result = client.call_tool("browser_start", {})
-        logger.info("browser_start: %s", result)
+        result = client.call_tool("browser_open", {"url": "about:blank"})
+        logger.info("browser_open(about:blank): %s", result)
     except Exception as e:
-        logger.warning("browser_start failed (may already be started): %s", e)
+        logger.warning("browser warm-up failed (may already be running): %s", e)
 
     app = create_app()
 

scripts/browser_remote_ui.html

@@ -457,7 +457,7 @@ let currentView = 'grid';
 
 // Tool categories for sidebar grouping
 const CATEGORIES = {
-  'Lifecycle': ['browser_setup', 'browser_start', 'browser_stop', 'browser_status'],
+  'Lifecycle': ['browser_setup', 'browser_stop', 'browser_status'],
   'Tabs': ['browser_tabs', 'browser_open', 'browser_close', 'browser_close_all', 'browser_close_finished', 'browser_activate_tab'],
   'Navigation': ['browser_navigate', 'browser_go_back', 'browser_go_forward', 'browser_reload'],
   'Interactions': ['browser_click', 'browser_click_coordinate', 'browser_type', 'browser_type_focused', 'browser_press', 'browser_press_at', 'browser_hover', 'browser_hover_coordinate', 'browser_select', 'browser_scroll', 'browser_drag'],