Mastra Observability with NextJS

export const mastra = new Mastra({
  workflows: { weatherWorkflow },
  agents: { weatherAgent },
  storage: new LibSQLStore({
    id: "mastra-storage",
    // stores observability, scores, ... into memory storage, if it needs to persist, change to file:../mastra.db
    url: "file:../mastra.db",
  }),
  logger: new PinoLogger({
    name: "Mastra",
    level: "info",
  }),
  observability: new Observability({
    configs: {
      default: {
        serviceName: "mastra",
        exporters: [
          new DefaultExporter(), // Persists traces to storage for Mastra Studio
        ],
        spanOutputProcessors: [
          new SensitiveDataFilter(), // Redacts sensitive data like passwords, tokens, keys
        ],
      },
    },
  }),
});