Phase 3: add Telegram lead notification to lead-intake

- Notify Telegram node (bot @smb_leads_bot) between Leads append and
  Activity Log; notified flag set TRUE. Verified end-to-end (lead →
  Telegram + Leads row + Activity Log).
- Re-export n8n/lead-intake.json with the notify node.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

n8n/lead-intake.json

@@ -5,34 +5,36 @@
       "parameters": {
         "httpMethod": "POST",
         "path": "lead-intake",
+        "responseMode": "onReceived",
         "options": {}
       },
-      "id": "2e5b1c7a-55b0-43ca-a300-d9f856b4e808",
+      "id": "f60ee339-9809-4962-9c5d-68ad9a5ec452",
       "name": "Webhook",
       "type": "n8n-nodes-base.webhook",
       "typeVersion": 2,
       "position": [
         240,
-        304
+        300
       ],
-      "webhookId": "ef3cbead-dfbc-494f-8030-c627603bee73"
+      "webhookId": "bb5f87d2-4647-4f38-9d6b-82a863158937"
     },
     {
       "parameters": {
-        "jsCode": "const i=$input.first().json; const b=i.body||i;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nconst s=v=>{v=(v==null?'':String(v)); return /^[=+\\-@\\t\\r]/.test(v)?\"'\"+v:v;};\nreturn [{ json:{ lead_id:'L-'+Date.now(), received_at:now, client_id:s(b.client_id),\n source:s(b.source), name:s(b.name), contact:s(b.contact||b.email||b.phone),\n service_interest:s(b.service_interest||b.service), message:s(b.message), status:'new',\n notified:'FALSE' }}];"
+        "jsCode": "const i=$input.first().json; const b=i.body||i;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nconst s=v=>{v=(v==null?'':String(v)); return /^[=+\\-@\\t\\r]/.test(v)?\"'\"+v:v;};\nreturn [{ json:{ lead_id:'L-'+Date.now(), received_at:now, client_id:s(b.client_id),\n source:s(b.source), name:s(b.name), contact:s(b.contact||b.email||b.phone),\n service_interest:s(b.service_interest||b.service), message:s(b.message), status:'new',\n notified:'TRUE' }}];"
       },
-      "id": "1d63c005-b837-4d76-8ecb-621fd9f142f9",
+      "id": "a5d0db99-93c2-46aa-8c0f-af1f4ee7300c",
       "name": "Build lead row",
       "type": "n8n-nodes-base.code",
       "typeVersion": 2,
       "position": [
-        464,
-        304
+        460,
+        300
       ]
     },
     {
       "parameters": {
         "authentication": "serviceAccount",
+        "resource": "sheet",
         "operation": "append",
         "documentId": {
           "__rl": true,
@@ -53,13 +55,13 @@
         },
         "options": {}
       },
-      "id": "19c6fb29-4dd4-4860-b0e7-0ef370ca6eaa",
+      "id": "04c41d84-fb8c-41e3-aaba-5db270096a0c",
       "name": "Append to Leads",
       "type": "n8n-nodes-base.googleSheets",
       "typeVersion": 4.5,
       "position": [
-        688,
-        304
+        680,
+        300
       ],
       "credentials": {
         "googleApi": {
@@ -70,20 +72,46 @@
     },
     {
       "parameters": {
-        "jsCode": "const lead=$('Build lead row').first().json;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nreturn [{ json:{ ts:now, workflow:'lead-intake', client_id:lead.client_id||'',\n action:'lead captured', detail:(lead.name||'')+' / '+(lead.contact||''), result:'ok' }}];"
+        "resource": "message",
+        "operation": "sendMessage",
+        "chatId": "5499280257",
+        "text": "=\ud83c\udd95 Neue Anfrage\nName: {{ $('Build lead row').item.json.name || '\u2014' }}\nKontakt: {{ $('Build lead row').item.json.contact || '\u2014' }}\nInteresse: {{ $('Build lead row').item.json.service_interest || '\u2014' }}\nQuelle: {{ $('Build lead row').item.json.source || '\u2014' }}\nClient: {{ $('Build lead row').item.json.client_id || '\u2014' }}\nNachricht: {{ $('Build lead row').item.json.message || '\u2014' }}",
+        "additionalFields": {
+          "appendAttribution": false
+        }
       },
-      "id": "95572843-5dc4-4839-a7f4-ebeaf19e5fc3",
+      "id": "4734816a-f253-44e4-9158-4038e4011142",
+      "name": "Notify Telegram",
+      "type": "n8n-nodes-base.telegram",
+      "typeVersion": 1.2,
+      "position": [
+        900,
+        300
+      ],
+      "credentials": {
+        "telegramApi": {
+          "id": "d9s4Ec5ocEH8FAxh",
+          "name": "SMB Telegram (leads bot)"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "jsCode": "const lead=$('Build lead row').first().json;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nreturn [{ json:{ ts:now, workflow:'lead-intake', client_id:lead.client_id||'',\n action:'lead captured + notified', detail:(lead.name||'')+' / '+(lead.contact||''), result:'ok' }}];"
+      },
+      "id": "0c8f8de9-565a-40f3-a24f-cd1833545c4d",
       "name": "Build activity",
       "type": "n8n-nodes-base.code",
       "typeVersion": 2,
       "position": [
-        912,
-        304
+        1120,
+        300
       ]
     },
     {
       "parameters": {
         "authentication": "serviceAccount",
+        "resource": "sheet",
         "operation": "append",
         "documentId": {
           "__rl": true,
@@ -104,13 +132,13 @@
         },
         "options": {}
       },
-      "id": "eed090ac-e64a-4369-9122-da535fd1139b",
+      "id": "6b4bf9d8-e850-473e-85d1-45aaa709d06a",
       "name": "Append to Activity Log",
       "type": "n8n-nodes-base.googleSheets",
       "typeVersion": 4.5,
       "position": [
-        1120,
-        304
+        1340,
+        300
       ],
       "credentials": {
         "googleApi": {
@@ -144,6 +172,17 @@
       ]
     },
     "Append to Leads": {
+      "main": [
+        [
+          {
+            "node": "Notify Telegram",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Notify Telegram": {
       "main": [
         [
           {