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

postgres/migrations/015_create_crm_leads.sql

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+-- Tabela de leads do CRM (multi-tenant)
+CREATE TABLE IF NOT EXISTS crm_leads (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
+
+    -- Dados básicos
+    name VARCHAR(255),
+    email VARCHAR(255),
+    phone VARCHAR(50),
+
+    -- Origem do lead
+    source VARCHAR(50) DEFAULT 'import',
+    source_meta JSONB DEFAULT '{}'::jsonb,
+
+    -- Status
+    status VARCHAR(50) DEFAULT 'novo',
+
+    -- Informações adicionais
+    notes TEXT,
+    tags TEXT[],
+
+    -- Controle
+    is_active BOOLEAN DEFAULT true,
+    created_by UUID REFERENCES users(id),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+
+    -- Constraint: email deve ser único por agência (pode repetir entre agências)
+    CONSTRAINT unique_lead_email_per_tenant UNIQUE (tenant_id, email)
+);
+
+-- Relacionamento N:N entre leads e listas
+CREATE TABLE IF NOT EXISTS crm_lead_lists (
+    lead_id UUID REFERENCES crm_leads(id) ON DELETE CASCADE,
+    list_id UUID REFERENCES crm_lists(id) ON DELETE CASCADE,
+    added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    added_by UUID REFERENCES users(id),
+    PRIMARY KEY (lead_id, list_id)
+);
+
+-- Índices para performance
+CREATE INDEX IF NOT EXISTS idx_crm_leads_tenant_id ON crm_leads(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_email ON crm_leads(email);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_phone ON crm_leads(phone);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_status ON crm_leads(status);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_is_active ON crm_leads(is_active);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_tags ON crm_leads USING GIN(tags);
+CREATE INDEX IF NOT EXISTS idx_crm_leads_source ON crm_leads(source);
+
+CREATE INDEX IF NOT EXISTS idx_crm_lead_lists_lead_id ON crm_lead_lists(lead_id);
+CREATE INDEX IF NOT EXISTS idx_crm_lead_lists_list_id ON crm_lead_lists(list_id);
+
+-- Trigger para atualizar updated_at (usa a função update_updated_at_column criada em 014_create_crm_tables.sql)
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM pg_proc
+        WHERE proname = 'update_updated_at_column'
+    ) THEN
+        IF NOT EXISTS (
+            SELECT 1
+            FROM pg_trigger
+            WHERE tgname = 'update_crm_leads_updated_at'
+        ) THEN
+            CREATE TRIGGER update_crm_leads_updated_at BEFORE UPDATE ON crm_leads
+                FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+        END IF;
+    END IF;
+END $$;