๐ง GOAL
See everything happening inside your system in real-time
๐งฉ STACK
- Logs โ Winston
- Metrics โ Prometheus
- Dashboard โ Grafana
- Tracing โ OpenTelemetry
๐ชต LOGGING (WINSTON)
import winston from “winston”;export const logger = winston.createLogger({
level: “info”,
transports: [
new winston.transports.Console(),
new winston.transports.File({ filename: “app.log” })
]
});๐ METRICS (PROMETHEUS)import client from “prom-client”;const httpRequestCounter = new client.Counter({
name: “http_requests_total”,
help: “Total requests”
});export function trackRequest() {
httpRequestCounter.inc();
}๐ GRAFANA DASHBOARDYou connect Grafana to Prometheus:revenue trends
agent activity
API latency
errors๐ TRACING (OPENTELEMETRY)import { NodeSDK } from “@opentelemetry/sdk-node”;const sdk = new NodeSDK();
sdk.start();Tracks:API calls
agent workflows
latency between services๐ง 3) AI MEMORY SYSTEM (LONG-TERM + VECTOR MEMORY)
๐ง GOALGive your agents memory like a human:past conversations
customer behavior
market signals
๐งฉ MEMORY ARCHITECTURE
Short-term โ Redis
Long-term โ PostgreSQL
Semantic โ Vector DB
๐ง VECTOR DB OPTIONS
Pinecone
Weaviate
PostgreSQL + pgvector (cheapest MVP)
๐ฆ VECTOR MEMORY MODELtype Memory = {
id: string;
userId: string;
content: string;
embedding: number[];
};