openai service and basic tables with migrations

db/migrations/20260102021529_wa_identity_map.sql

@@ -0,0 +1,12 @@
+-- migrate:up
+create table wa_identity_map (
+  tenant_id uuid not null references tenants(id) on delete cascade,
+  wa_chat_id text not null,
+  woo_customer_id bigint not null,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now(),
+  primary key (tenant_id, wa_chat_id)
+);
+
+-- migrate:down
+drop table if exists wa_identity_map;

db/migrations/20260102021640_tenants.sql

@@ -0,0 +1,13 @@
+-- migrate:up
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+CREATE TABLE tenants (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  key text NOT NULL UNIQUE,
+  name text NOT NULL,
+  created_at timestamptz NOT NULL DEFAULT now()
+);
+
+-- migrate:down
+DROP TABLE IF EXISTS tenants;
+DROP EXTENSION IF EXISTS pgcrypto;

db/migrations/20260102021749_wa_conversation_state.sql

@@ -0,0 +1,23 @@
+-- migrate:up
+create table wa_conversation_state (
+  tenant_id uuid not null references tenants(id) on delete cascade,
+  wa_chat_id text not null,
+
+  state text not null,                 -- IDLE / BUILDING_ORDER / WAITING_PAYMENT
+  last_intent text null,
+  last_order_id bigint null,
+
+  context jsonb not null default '{}'::jsonb,
+
+  state_updated_at timestamptz not null default now(),
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now(),
+
+  primary key (tenant_id, wa_chat_id)
+);
+
+create index idx_state_tenant_updated
+  on wa_conversation_state (tenant_id, updated_at desc);
+
+-- migrate:down
+drop table if exists wa_conversation_state;

db/migrations/20260102021829_wa_messages.sql

@@ -0,0 +1,24 @@
+-- migrate:up
+create table wa_messages (
+  id bigserial primary key,
+  tenant_id uuid not null references tenants(id) on delete cascade,
+  wa_chat_id text not null,
+
+  provider text not null,          -- sim / evolution / twilio
+  message_id text not null,        -- idempotencia por provider
+  direction text not null,         -- in / out
+
+  ts timestamptz not null default now(),
+  text text null,
+  payload jsonb not null default '{}'::jsonb,
+
+  run_id uuid null,
+
+  unique (tenant_id, provider, message_id)
+);
+
+create index idx_msgs_tenant_chat_ts
+  on wa_messages (tenant_id, wa_chat_id, ts desc);
+
+-- migrate:down
+drop table if exists wa_messages;

db/migrations/20260102021907_conversation_runs.sql

@@ -0,0 +1,32 @@
+-- migrate:up
+create table conversation_runs (
+  id uuid primary key default gen_random_uuid(),
+  tenant_id uuid not null references tenants(id) on delete cascade,
+  wa_chat_id text not null,
+  message_id text not null,
+
+  ts timestamptz not null default now(),
+  prev_state text null,
+  user_text text null,
+
+  llm_output jsonb null,
+  tools jsonb not null default '[]'::jsonb,
+  invariants jsonb not null default '{}'::jsonb,
+
+  final_reply text null,
+  order_id bigint null,
+  payment_link text null,
+
+  status text not null default 'ok', -- ok | warn | error
+  error_code text null,
+  error_detail text null,
+  latency_ms int null,
+
+  unique (tenant_id, message_id)
+);
+
+create index idx_runs_tenant_chat_ts
+  on conversation_runs (tenant_id, wa_chat_id, ts desc);
+
+-- migrate:down
+drop table if exists conversation_runs;

docker-compose.yaml

@@ -1,3 +1,5 @@
+version: "3.9"
+
 services:
   app:
     image: node:20-alpine
@@ -5,7 +7,10 @@ services:
     command: sh -c "npm install && npm run dev"
     ports:
       - "3000:3000"
+    env_file:
+      - .env
     environment:
+      - NODE_ENV=development
       - PORT=3000
       - DATABASE_URL=postgres://${POSTGRES_USER:-botino}:${POSTGRES_PASSWORD:-botino}@db:5432/${POSTGRES_DB:-botino}
       - REDIS_URL=redis://redis:6379
@@ -13,12 +18,16 @@ services:
       - .:/usr/src/app
       - /usr/src/app/node_modules
     depends_on:
-      - db
-      - redis
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
     restart: unless-stopped
 
   db:
     image: postgres:16-alpine
+    env_file:
+      - .env
     environment:
       - POSTGRES_DB=${POSTGRES_DB:-botino}
       - POSTGRES_USER=${POSTGRES_USER:-botino}

package-lock.json

@@ -10,7 +10,9 @@
       "license": "MIT",
       "dependencies": {
         "cors": "^2.8.5",
-        "express": "^4.19.2"
+        "express": "^4.19.2",
+        "openai": "^6.15.0",
+        "zod": "^4.3.4"
       },
       "devDependencies": {
         "dbmate": "^2.0.0",
@@ -965,6 +967,27 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/openai": {
+      "version": "6.15.0",
+      "resolved": "https://registry.npmjs.org/openai/-/openai-6.15.0.tgz",
+      "integrity": "sha512-F1Lvs5BoVvmZtzkUEVyh8mDQPPFolq4F+xdsx/DO8Hee8YF3IGAlZqUIsF+DVGhqf4aU0a3bTghsxB6OIsRy1g==",
+      "license": "Apache-2.0",
+      "bin": {
+        "openai": "bin/cli"
+      },
+      "peerDependencies": {
+        "ws": "^8.18.0",
+        "zod": "^3.25 || ^4.0"
+      },
+      "peerDependenciesMeta": {
+        "ws": {
+          "optional": true
+        },
+        "zod": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -1340,6 +1363,15 @@
       "engines": {
         "node": ">= 0.8"
       }
+    },
+    "node_modules/zod": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.4.tgz",
+      "integrity": "sha512-Zw/uYiiyF6pUT1qmKbZziChgNPRu+ZRneAsMUDU6IwmXdWt5JwcUfy2bvLOCUtz5UniaN/Zx5aFttZYbYc7O/A==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }

package.json

@@ -17,7 +17,9 @@
   "license": "MIT",
   "dependencies": {
     "cors": "^2.8.5",
-    "express": "^4.19.2"
+    "express": "^4.19.2",
+    "openai": "^6.15.0",
+    "zod": "^4.3.4"
   },
   "devDependencies": {
     "dbmate": "^2.0.0",

src/services/openai.js

@@ -0,0 +1,21 @@
+// src/services/openai.js (o directo en main.js por ahora)
+import OpenAI from "openai";
+
+export const openai = new OpenAI({ apiKey: process.env.OPENAI_APIKEY });
+
+// promptSystem = tu prompt (no lo tocamos mucho)
+// input = { last_user_message, conversation_history, current_conversation_state, ... }
+export async function llmPlan({ promptSystem, input }) {
+  const resp = await openai.responses.create({
+    model: "gpt-5-mini", // o gpt-5 (más caro/mejor) / el que estés usando
+    input: [
+      { role: "system", content: promptSystem },
+      { role: "user", content: JSON.stringify(input) }
+    ],
+    // Si estás usando "Structured Outputs" nativo, acá va tu schema.
+    // En caso de que tu SDK no lo soporte directo, lo hacemos con zod/JSON parse robusto.
+  });
+
+  const text = resp.output_text; // ojo: depende del SDK/model; es el agregado de outputs
+  return text;
+}