{ "name": "Daily Churn Retention Actions - V9", "nodes": [ { "parameters": { "rule": { "interval": [ { "field": "cronExpression", "expression": "0 2 * * *" } ] } }, "id": "c192ba3b-7071-4d41-8ace-2c09a23329e0", "name": "Cron Trigger", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.1, "position": [ -2320, 864 ] }, { "parameters": { "operation": "executeQuery", "query": "SELECT *\nFROM churn_predictions\nWHERE send_action_flag = TRUE\nORDER BY churn_probability DESC\nLIMIT 10;", "options": {} }, "id": "ed3ea43b-1303-4496-aa87-15c46c035128", "name": "Read Predictions", "type": "n8n-nodes-base.postgres", "typeVersion": 2.6, "position": [ -2096, 848 ], "credentials": { "postgres": { "name": "" } }, "onError": "continueErrorOutput" }, { "parameters": { "url": "http://127.0.0.1:62881/explainability/latest", "options": {} }, "id": "675c0510-626b-40ca-8c38-83b1554d356e", "name": "Read SHAP Explainability", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.1, "position": [ -2096, 1024 ] }, { "parameters": { "mode": "combine", "fieldsToMatchString": "customer_unique_id", "options": {} }, "id": "2b7c74f4-238e-460e-b4aa-c059d3107244", "name": "Merge Data", "type": "n8n-nodes-base.merge", "typeVersion": 3, "position": [ -1664, 944 ] }, { "parameters": { "rules": { "values": [ { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 1 }, "conditions": [ { "leftValue": "={{ String($json.risk_tier || '').toUpperCase() }}", "rightValue": "HIGH", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" }, "renameOutput": true, "outputKey": "high_risk" }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 1 }, "conditions": [ { "leftValue": "={{ String($json.risk_tier || '').toUpperCase() }}", "rightValue": "MEDIUM", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" }, "renameOutput": true, "outputKey": "medium_risk" } ] }, "options": {} }, "id": "88f168f3-a1f6-4377-9cbc-901891761fc5", "name": "Risk Switch", "type": "n8n-nodes-base.switch", "typeVersion": 3, "notes": "Portfolio senior uplift 2026-05-31: this switch now routes on canonical risk_tier emitted by the scoring lineage instead of recomputing tiers from hardcoded churn_probability thresholds. This removes silent scoring-vs-orchestration drift in the demo baseline.", "position": [ -1456, 944 ] }, { "parameters": {}, "id": "4f36637c-379e-4f72-8eb3-abbe0b54735a", "name": "Merge Risks", "type": "n8n-nodes-base.merge", "typeVersion": 3, "position": [ -1216, 944 ] }, { "parameters": { "method": "POST", "url": "http://127.0.0.1:62881/coupons/generate", "sendBody": true, "bodyParameters": { "parameters": [ { "name": "customer_id", "value": "={{ $json.customer_unique_id }}" }, { "name": "risk_level", "value": "={{ $json.risk_tier }}" }, { "name": "discount_pct", "value": 20 } ] }, "options": {} }, "id": "ce1ac59e-22ba-400d-968f-ad62eab957b3", "name": "Generate Coupon", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.1, "position": [ -992, 944 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 1 }, "conditions": [ { "id": "check-coupon-code", "leftValue": "={{ $json.coupon_code }}", "rightValue": "", "operator": { "type": "string", "operation": "notEmpty" } } ], "combinator": "and" }, "options": {} }, "id": "27b1e9ae-51d1-4e05-8fd1-3b9fbf6e85ff", "name": "Validate Pre-Send", "type": "n8n-nodes-base.if", "typeVersion": 2.1, "position": [ -768, 944 ], "notes": "Validates that coupon_code, email, customer_id and first_name exist before firing any channel. TRUE branch \u2192 send. FALSE branch \u2192 log skipped record." }, { "parameters": { "fromEmail": "architect.openclaw@gmail.com", "toEmail": "={{ $json.email }}", "subject": "Sentimos sua falta, {{ $json.first_name }}! \ud83c\udf81", "html": "=

Ol\u00e1, {{ $json.first_name }}!

\n

Sentimos a sua falta no VivaMarket. Preparamos uma oferta exclusiva para voc\u00ea:

\n

\ud83c\udf81 Use o cupom {{ $json.coupon_code }} e ganhe {{ $json.discount_pct }}% de desconto na sua pr\u00f3xima compra.

\n

O cupom \u00e9 v\u00e1lido por 7 dias. N\u00e3o perca!

\n

At\u00e9 breve,
Equipe VivaMarket

", "options": {} }, "id": "b86cf74d-c128-4320-abc3-09f14b076012", "name": "Send Email", "type": "n8n-nodes-base.emailSend", "typeVersion": 2.1, "position": [ -544, 768 ], "credentials": { "smtp": { "name": "" } }, "disabled": true }, { "parameters": { "method": "POST", "url": "https://onesignal.com/api/v1/notifications", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Authorization", "value": "=Basic {{ $vars.ONE_SIGNAL_API_KEY }}" }, { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "specifyBody": "json", "jsonBody": "={\n \"app_id\": \"b466045e-3354-4304-b99b-ada211caaee4\",\n \"include_external_user_ids\": [\"{{ $json.customer_unique_id }}\"],\n \"contents\": {\n \"pt\": \"Temos uma oferta especial para voc\u00ea! Use o cupom {{ $json.coupon_code }} e ganhe {{ $json.discount_pct }}% de desconto.\",\n \"en\": \"We have a special offer for you! Use coupon {{ $json.coupon_code }} and get {{ $json.discount_pct }}% off.\"\n },\n \"headings\": {\n \"pt\": \"\ud83c\udf81 Oferta exclusiva VivaMarket\",\n \"en\": \"\ud83c\udf81 Exclusive VivaMarket offer\"\n }\n}", "options": {} }, "id": "153edce9-a905-4b44-99f1-43af1d8cd8d0", "name": "Send Push", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.1, "position": [ -544, 944 ], "credentials": { "httpHeaderAuth": { "name": "" } }, "notes": "FIX v6: OneSignal credentials now read from n8n Variables (ONE_SIGNAL_API_KEY, ONE_SIGNAL_APP_ID). $credentials.x syntax is not supported in HTTP Request nodes." }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO retention_actions_skipped (customer_id, reason, skipped_at, churn_probability)\nVALUES ($1, 'missing_coupon_or_email', NOW(), $2);", "options": { "queryReplacement": "={{ [$json.customer_id, $json.churn_probability] }}" } }, "id": "39392540-3d42-48dd-8953-48fd32ab601d", "name": "Log Skipped", "type": "n8n-nodes-base.postgres", "typeVersion": 2.6, "position": [ -544, 1120 ], "credentials": { "postgres": { "name": "" } }, "onError": "continueErrorOutput", "notes": "FALSE branch from Validate Pre-Send. FIX v6: Added queryReplacement binding for $1=customer_id, $2=churn_probability. Success output is terminal \u2014 NOT connected to Error Handler." }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO retention_actions (customer_id, risk_level, action_type, coupon_code, executed_at, churn_probability, send_action_flag)\nVALUES ($1, $2, $3, $4, NOW(), $5, TRUE);", "options": { "queryReplacement": "={{ [$json.customer_id, $json.risk_level, $json.action_type ?? 'email_push', $json.coupon_code, $json.churn_probability] }}" } }, "id": "041b8e46-8790-4bff-b8f4-24c934e43d4c", "name": "Log Actions", "type": "n8n-nodes-base.postgres", "typeVersion": 2.6, "position": [ -320, 864 ], "credentials": { "postgres": { "name": "" } }, "onError": "continueErrorOutput", "notes": "FIX v6: Added queryReplacement binding for all 5 parameters ($1=customer_id, $2=risk_level, $3=action_type, $4=coupon_code, $5=churn_probability)." }, { "parameters": { "fieldToSplitOut": "records", "options": {} }, "type": "n8n-nodes-base.splitOut", "typeVersion": 1, "position": [ -1888, 1024 ], "id": "6f6c54a8-0b17-4d4e-bd2d-7c7e76716daf", "name": "Split Out" } ], "connections": { "Cron Trigger": { "main": [ [ { "node": "Read Predictions", "type": "main", "index": 0 }, { "node": "Read SHAP Explainability", "type": "main", "index": 0 } ] ] }, "Read Predictions": { "main": [ [ { "node": "Merge Data", "type": "main", "index": 0 } ] ] }, "Read SHAP Explainability": { "main": [ [ { "node": "Split Out", "type": "main", "index": 0 } ] ] }, "Merge Data": { "main": [ [ { "node": "Risk Switch", "type": "main", "index": 0 } ] ] }, "Risk Switch": { "main": [ [ { "node": "Merge Risks", "type": "main", "index": 0 } ], [ { "node": "Merge Risks", "type": "main", "index": 1 } ] ] }, "Merge Risks": { "main": [ [ { "node": "Generate Coupon", "type": "main", "index": 0 } ] ] }, "Generate Coupon": { "main": [ [ { "node": "Validate Pre-Send", "type": "main", "index": 0 } ] ] }, "Validate Pre-Send": { "main": [ [ { "node": "Send Email", "type": "main", "index": 0 }, { "node": "Send Push", "type": "main", "index": 0 } ], [ { "node": "Log Skipped", "type": "main", "index": 0 } ] ] }, "Send Email": { "main": [ [ { "node": "Log Actions", "type": "main", "index": 0 } ] ] }, "Send Push": { "main": [ [ { "node": "Log Actions", "type": "main", "index": 0 } ] ] }, "Split Out": { "main": [ [ { "node": "Merge Data", "type": "main", "index": 1 } ] ] } }, "active": false, "settings": { "executionOrder": "v1", "binaryMode": "separate", "availableInMCP": false, "timeSavedMode": "fixed", "errorWorkflow": "5W6h4T8ck3na51md", "callerPolicy": "workflowsFromSameOwner" }, "versionId": "559d07a2-3b99-4c80-a5e8-ebc32b6818a8", "id": "F6MT21Rkgr4BZvCT", "tags": [] }