diff --git a/n8n/renewal-reminder.json b/n8n/renewal-reminder.json
new file mode 100644
index 0000000..74548bc
--- /dev/null
+++ b/n8n/renewal-reminder.json
@@ -0,0 +1,210 @@
+{
+  "name": "SMB \u00b7 Renewal Reminder",
+  "nodes": [
+    {
+      "parameters": {
+        "rule": {
+          "interval": [
+            {
+              "field": "cronExpression",
+              "expression": "0 8 * * *"
+            }
+          ]
+        }
+      },
+      "id": "41b1500b-ece3-44ea-b192-363a998c1247",
+      "name": "Daily 08:00",
+      "type": "n8n-nodes-base.scheduleTrigger",
+      "typeVersion": 1.2,
+      "position": [
+        240,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "authentication": "serviceAccount",
+        "resource": "sheet",
+        "operation": "read",
+        "documentId": {
+          "__rl": true,
+          "value": "1raMSWRZw_JfHlWqOb3LbhaQ6LWx0VGblxIV4Z2pSzp8",
+          "mode": "id"
+        },
+        "sheetName": {
+          "__rl": true,
+          "value": "470934735",
+          "mode": "list",
+          "cachedResultName": "Clients"
+        },
+        "options": {}
+      },
+      "id": "f06a60af-dff1-415d-aca6-fef0367f3553",
+      "name": "Read Clients",
+      "type": "n8n-nodes-base.googleSheets",
+      "typeVersion": 4.5,
+      "position": [
+        460,
+        300
+      ],
+      "credentials": {
+        "googleApi": {
+          "id": "45TWPyl1wVk2Vxdm",
+          "name": "SMB Google (service account)"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "jsCode": "\nconst rows = $input.all().map(i=>i.json);\nconst today=new Date();\nconst t0=Date.UTC(today.getUTCFullYear(),today.getUTCMonth(),today.getUTCDate());\nfunction parseDate(v){\n  if(v==null||v==='') return null;\n  const s=String(v).trim();\n  if(/^\\d+(\\.\\d+)?$/.test(s)){ return Date.UTC(1899,11,30)+Number(s)*86400000; }\n  const m=s.match(/^(\\d{4})-(\\d{2})-(\\d{2})/);\n  if(m) return Date.UTC(+m[1],+m[2]-1,+m[3]);\n  const d=Date.parse(s); return isNaN(d)?null:d;\n}\nconst offsets=[14,7,3,1,0];\nconst due=[];\nfor(const r of rows){\n  const status=String(r.status||'').toLowerCase();\n  if(status!=='active') continue;\n  const rd=parseDate(r.renewal_date);\n  if(rd==null) continue;\n  const days=Math.round((rd-t0)/86400000);\n  if(days<0 || offsets.includes(days)){\n    due.push({client_id:r.client_id, business:r.business_name, renewal_date:r.renewal_date,\n              days, fee:r.monthly_fee_eur, cycle:r.billing_cycle});\n  }\n}\nif(due.length===0) return [];\ndue.sort((a,b)=>a.days-b.days);\nconst line=d=>`\u2022 ${d.business||d.client_id} \u2014 ${d.days<0?('\u00dcBERF\u00c4LLIG seit '+(-d.days)+'T'):(d.days===0?'heute':('in '+d.days+'T'))} (${d.renewal_date}${d.fee?(', '+d.fee+'\u20ac/'+(d.cycle||'')):''})`;\nconst summary='\ud83d\udd14 Anstehende Verl\u00e4ngerungen ('+due.length+')\\n'+due.map(line).join('\\n');\nreturn [{json:{count:due.length, summary, due}}];\n"
+      },
+      "id": "9f3e4ca9-0d87-4d1c-9f5e-abdf5f9f77dd",
+      "name": "Find due renewals",
+      "type": "n8n-nodes-base.code",
+      "typeVersion": 2,
+      "position": [
+        680,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "resource": "message",
+        "operation": "sendMessage",
+        "chatId": "5499280257",
+        "text": "={{ $json.summary }}",
+        "additionalFields": {
+          "appendAttribution": false
+        }
+      },
+      "id": "807748ee-311e-4b18-bae1-ae339068a04f",
+      "name": "Notify Telegram",
+      "type": "n8n-nodes-base.telegram",
+      "typeVersion": 1.2,
+      "position": [
+        900,
+        300
+      ],
+      "credentials": {
+        "telegramApi": {
+          "id": "d9s4Ec5ocEH8FAxh",
+          "name": "SMB Telegram (leads bot)"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "jsCode": "const r=$('Find due renewals').first().json;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nreturn [{json:{ts:now, workflow:'renewal-reminder', client_id:'',\n action:'renewals due: '+r.count,\n detail:r.due.map(d=>d.client_id+'('+d.days+'T)').join(', '), result:'ok'}}];"
+      },
+      "id": "c6a1792f-1866-4b1a-aa74-e1f346d80a97",
+      "name": "Build activity",
+      "type": "n8n-nodes-base.code",
+      "typeVersion": 2,
+      "position": [
+        1120,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "authentication": "serviceAccount",
+        "resource": "sheet",
+        "operation": "append",
+        "documentId": {
+          "__rl": true,
+          "value": "1raMSWRZw_JfHlWqOb3LbhaQ6LWx0VGblxIV4Z2pSzp8",
+          "mode": "id"
+        },
+        "sheetName": {
+          "__rl": true,
+          "value": "170940481",
+          "mode": "list",
+          "cachedResultName": "Activity Log"
+        },
+        "columns": {
+          "mappingMode": "autoMapInputData",
+          "value": {},
+          "matchingColumns": [],
+          "schema": []
+        },
+        "options": {}
+      },
+      "id": "55978962-489b-4740-a242-7470f08087b6",
+      "name": "Append to Activity Log",
+      "type": "n8n-nodes-base.googleSheets",
+      "typeVersion": 4.5,
+      "position": [
+        1340,
+        300
+      ],
+      "credentials": {
+        "googleApi": {
+          "id": "45TWPyl1wVk2Vxdm",
+          "name": "SMB Google (service account)"
+        }
+      }
+    }
+  ],
+  "connections": {
+    "Daily 08:00": {
+      "main": [
+        [
+          {
+            "node": "Read Clients",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Read Clients": {
+      "main": [
+        [
+          {
+            "node": "Find due renewals",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Find due renewals": {
+      "main": [
+        [
+          {
+            "node": "Notify Telegram",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Notify Telegram": {
+      "main": [
+        [
+          {
+            "node": "Build activity",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Build activity": {
+      "main": [
+        [
+          {
+            "node": "Append to Activity Log",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  },
+  "settings": {
+    "executionOrder": "v1",
+    "callerPolicy": "workflowsFromSameOwner",
+    "availableInMCP": false
+  }
+}
\ No newline at end of file