fix(n8n): usa canal/API dedicados deste projeto para o envio (nao mais compartilhado)

O envio estava saindo pelo canal do bot de agendamento (sub-workflow
enviar_texto, projeto diferente) -- por isso recebia num numero e
respondia por outro. Cria credencial httpHeaderAuth propria ('ZPRO API
Token - Orcamento de Exames') e troca o envio para uma chamada HTTP direta
dentro deste workflow, isolada do projeto de agendamento.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

n8n/orcamento-exames-imagem.workflow.json

@@ -246,72 +246,34 @@
       "name": "Simple Memory"
     },
     {
-      "id": "enviar-orcamento-zpro",
+      "id": "enviar-orcamento-zpro-http",
       "name": "Enviar orçamento (Z-PRO)",
-      "type": "n8n-nodes-base.executeWorkflow",
-      "typeVersion": 1.3,
+      "type": "n8n-nodes-base.httpRequest",
+      "typeVersion": 4.4,
       "position": [
         900,
         -128
       ],
       "parameters": {
-        "workflowId": {
-          "__rl": true,
-          "mode": "id",
-          "value": "Y4ndG7GuIUrmVRxV",
-          "cachedResultName": "MCP Server - Mensageria ZPRO - enviar_texto"
-        },
-        "workflowInputs": {
-          "mappingMode": "defineBelow",
-          "value": {
-            "number": "={{ $json.number }}",
-            "body": "={{ $json.body }}",
-            "externalKey": "={{ $json.externalKey }}",
-            "isClosed": "={{ $json.isClosed }}"
-          },
-          "matchingColumns": [],
-          "schema": [
-            {
-              "id": "number",
-              "displayName": "number",
-              "required": false,
-              "defaultMatch": false,
-              "display": true,
-              "canBeUsedToMatch": true,
-              "type": "string"
-            },
-            {
-              "id": "body",
-              "displayName": "body",
-              "required": false,
-              "defaultMatch": false,
-              "display": true,
-              "canBeUsedToMatch": true,
-              "type": "string"
-            },
-            {
-              "id": "externalKey",
-              "displayName": "externalKey",
-              "required": false,
-              "defaultMatch": false,
-              "display": true,
-              "canBeUsedToMatch": true,
-              "type": "string"
-            },
-            {
-              "id": "isClosed",
-              "displayName": "isClosed",
-              "required": false,
-              "defaultMatch": false,
-              "display": true,
-              "canBeUsedToMatch": true,
-              "type": "boolean"
-            }
-          ],
-          "attemptToConvertTypes": false,
-          "convertFieldsToString": false
+        "method": "POST",
+        "url": "https://apigchat.gtigrupo.com.br/v2/api/external/fc30a773-0089-43b9-8b05-a5d92c48eb9b/",
+        "authentication": "genericCredentialType",
+        "genericAuthType": "httpHeaderAuth",
+        "sendBody": true,
+        "contentType": "json",
+        "specifyBody": "json",
+        "jsonBody": "={{ JSON.stringify({ body: $json.body, number: $json.number, externalKey: $json.externalKey, isClosed: $json.isClosed }) }}",
+        "options": {
+          "timeout": 15000
         }
-      }
+      },
+      "credentials": {
+        "httpHeaderAuth": {
+          "id": "6IxSBH9y4fXsIoyA",
+          "name": "ZPRO API Token - Orçamento de Exames"
+        }
+      },
+      "onError": "continueErrorOutput"
     }
   ],
   "connections": {