modularizado de prompts

db/migrations/20260125110000_human_takeovers.sql

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+-- migrate:up
+
+-- Tabla para manejar conversaciones que requieren intervención humana
+CREATE TABLE human_takeovers (
+  id SERIAL PRIMARY KEY,
+  tenant_id UUID NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
+  chat_id TEXT NOT NULL,
+  
+  -- Info del takeover
+  pending_query TEXT NOT NULL,              -- La query/producto que no se encontró
+  reason TEXT NOT NULL DEFAULT 'product_not_found',  -- Razón del takeover
+  context_snapshot JSONB,                   -- Snapshot del contexto al momento del takeover
+  
+  -- Estado
+  status TEXT NOT NULL DEFAULT 'pending',   -- 'pending', 'responded', 'cancelled'
+  
+  -- Respuesta del humano
+  human_response TEXT,                      -- Texto de la respuesta
+  responded_at TIMESTAMPTZ,
+  responded_by TEXT,                        -- Email/ID del usuario que respondió
+  
+  -- Metadatos
+  created_at TIMESTAMPTZ DEFAULT NOW(),
+  updated_at TIMESTAMPTZ DEFAULT NOW(),
+  
+  -- Índices
+  CONSTRAINT valid_status CHECK (status IN ('pending', 'responded', 'cancelled'))
+);
+
+-- Índice para buscar takeovers pendientes por tenant
+CREATE INDEX idx_takeovers_pending ON human_takeovers(tenant_id, status, created_at DESC)
+WHERE status = 'pending';
+
+-- Índice para buscar por chat_id
+CREATE INDEX idx_takeovers_chat ON human_takeovers(tenant_id, chat_id, created_at DESC);
+
+-- Función para actualizar updated_at
+CREATE OR REPLACE FUNCTION update_takeover_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+  NEW.updated_at := NOW();
+  RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER takeover_updated_trigger
+BEFORE UPDATE ON human_takeovers
+FOR EACH ROW EXECUTE FUNCTION update_takeover_timestamp();
+
+-- migrate:down
+
+DROP TRIGGER IF EXISTS takeover_updated_trigger ON human_takeovers;
+DROP FUNCTION IF EXISTS update_takeover_timestamp();
+DROP INDEX IF EXISTS idx_takeovers_chat;
+DROP INDEX IF EXISTS idx_takeovers_pending;
+DROP TABLE IF EXISTS human_takeovers;