feat: versão 1.5 - CRM Beta com leads, funis, campanhas e portal do cliente

backend/internal/data/postgres/migrations/001_add_agency_roles.sql

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+-- Migration: Add agency user roles and collaborator tracking
+-- Purpose: Support owner/collaborator hierarchy for agency users
+
+-- 1. Add agency_role column to users table (owner or collaborator)
+ALTER TABLE users ADD COLUMN IF NOT EXISTS agency_role VARCHAR(50) DEFAULT 'owner' CHECK (agency_role IN ('owner', 'collaborator'));
+
+-- 2. Add created_by column to track which user created this collaborator
+ALTER TABLE users ADD COLUMN IF NOT EXISTS created_by UUID REFERENCES users(id) ON DELETE SET NULL;
+
+-- 3. Update existing ADMIN_AGENCIA users to have 'owner' agency_role
+UPDATE users SET agency_role = 'owner' WHERE role = 'ADMIN_AGENCIA' AND agency_role IS NULL;
+
+-- 4. Add collaborator_created_at to track when the collaborator was added
+ALTER TABLE users ADD COLUMN IF NOT EXISTS collaborator_created_at TIMESTAMP WITH TIME ZONE;
+
+-- 5. Create index for faster queries
+CREATE INDEX IF NOT EXISTS idx_users_agency_role ON users(tenant_id, agency_role);
+CREATE INDEX IF NOT EXISTS idx_users_created_by ON users(created_by);