Fix duplicate top campaign clients by phone

backend/services/campaignService.js

@@ -25,24 +25,6 @@ const WHATSAPP_CUSTOMER_PHONE_SQL = `
         ELSE ${NORMALIZED_CUSTOMER_PHONE_SQL}
     END
 `;
-const CANONICAL_CAMPAIGN_CUSTOMER_NAME_SQL = `
-    NULLIF(TRIM(regexp_replace(
-        regexp_replace(
-            regexp_replace(
-                regexp_replace(LOWER(COALESCE(cliente_nome, '')), '[^[:alnum:][:space:]]+', ' ', 'g'),
-                '(^|[[:space:]])[0-9]{2,14}([[:space:]]|$)',
-                ' ',
-                'g'
-            ),
-            '(^|[[:space:]])(ltda|me|eireli|epp)([[:space:]]|$)',
-            ' ',
-            'g'
-        ),
-        '[[:space:]]+',
-        ' ',
-        'g'
-    )), '')
-`;
 const CUSTOMER_IDENTITY_CTE = `
     WITH customer_phone_by_name AS (
         SELECT
@@ -177,7 +159,6 @@ const getTopClientsForCampaign = async ({ days, limit, start, end } = {}) => {
         WITH campaign_orders AS (
             SELECT
                 orders.*,
-                ${CANONICAL_CAMPAIGN_CUSTOMER_NAME_SQL} as canonical_customer_name,
                 ${WHATSAPP_CUSTOMER_PHONE_SQL} as whatsapp_phone
             FROM orders
         )
@@ -199,7 +180,9 @@ const getTopClientsForCampaign = async ({ days, limit, start, end } = {}) => {
         WHERE data_pedido_date >= $1::date
           AND data_pedido_date <= $2::date
           AND whatsapp_phone IS NOT NULL
-        GROUP BY COALESCE(canonical_customer_name, whatsapp_phone)
+        -- A campaign recipient is a WhatsApp destination, so each normalized
+        -- phone number must produce exactly one exported customer.
+        GROUP BY whatsapp_phone
         ORDER BY total_gasto DESC
         LIMIT $3;
     `, [range.start, range.end, normalizedLimit]);