{ "name": "performance_start_trace", "description": "Starts a performance trace recording on the selected page. Optionally reloads the page and/or auto-stops after a short duration.", "parameters": { "type": "object", "properties": { "reload": { "type": "boolean", "description": "Determines if, once tracing has started, the page should be automatically reloaded (ignore cache)." }, "autoStop": { "type": "boolean", "description": "Determines if the trace should be automatically stopped (default false)." }, "durationMs": { "type": "number", "description": "Auto-stop duration in milliseconds when autoStop is true (default 5000)." } }, "required": [] } }