Effizientes Nachrichtenspeichersystem basierend auf Redis und GPT-4

• •Redis-Serververbindungsdaten
• •OpenAI API Key

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  "nodes": [
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      "name": "Informationsextraktor",
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      ],
      "parameters": {
        "text": "={{ $json.buffer.reverse().toJsonString() }}",
        "options": {
          "systemPromptTemplate": "Eres un experto extrayendo información, tu objetivo es recolectar todos los mensajes. Procura no dejar duplicados. como resultado debes retornar un solo párrafo con todo los mensajes."
        },
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      "name": "OpenAI Chat Model",
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      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-nano",
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        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "IogsrRzOBSmZJS5C",
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      "name": "Eingabe modifizieren",
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      "id": "a8472217-aa83-4247-9d7d-3a471e24478a",
      "name": "Bei Empfang einer Chat-Nachricht",
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      "webhookId": "85115343-bb86-4bb8-b7a8-c4efded80b3f",
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      "name": "WarteSekunden",
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        "expire": "={{$json.waitSeconds + 60}}",
        "operation": "incr"
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      "type": "n8n-nodes-base.redis",
      "position": [
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      ],
      "parameters": {
        "key": "=buffer_count:{{ $('Mod input').item.json.context_id }}",
        "options": {},
        "operation": "get",
        "propertyName": "count"
      },
      "credentials": {
        "redis": {
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          "name": "Redis account"
        }
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    },
    {
      "id": "1ceb472b-3944-4d74-994b-867ade006e4e",
      "name": "Ausgabe zuordnen",
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        "assignments": {
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              "name": "message",
              "type": "string",
              "value": "={{ $json.output.message }}"
            },
            {
              "id": "7e7fcee4-14b3-4393-b516-b07a53c018b3",
              "name": "context_id",
              "type": "string",
              "value": "={{$('get wait seconds').item.json.context_id }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "0be7e5eb-1972-4a95-b5bf-4e564fc4ef7c",
      "name": "Inaktivität + Zähler prüfen",
      "type": "n8n-nodes-base.if",
      "position": [
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        720
      ],
      "parameters": {
        "options": {},
        "conditions": {
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            "caseSensitive": true,
            "typeValidation": "loose"
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          "conditions": [
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              "operator": {
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                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{$json.count != null && Number($json.count) >= 1}}",
              "rightValue": ""
            },
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              "id": "1626238d-fb00-4ce8-89df-a40a4f29f52a",
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                "singleValue": true
              },
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      ],
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        "key": "=buffer_count:{{$json.context_id}}",
        "operation": "delete"
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      "credentials": {
        "redis": {
          "id": "zJtRI38KhsyVjUvP",
          "name": "Redis account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "bbf45966-833b-4f5f-ae11-0578614eb156",
      "name": "Keine Operation, nichts tun2",
      "type": "n8n-nodes-base.noOp",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
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      "name": "Warten",
      "type": "n8n-nodes-base.wait",
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      ],
      "webhookId": "b8e2e214-f82b-49c2-96e2-91e093137857",
      "parameters": {
        "amount": "={{ Math.max(0, Math.ceil(( $('Mod input').item.json.waitSeconds * 1000 - ($now.toMillis() - $('Get last_seen').item.json.last_seen)) / 1000)) }}"
      },
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      "name": "Bei Ausführung durch anderen Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
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        "workflowInputs": {
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              "name": "context_id"
            },
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              "name": "message"
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      "id": "91a650b7-ddd4-4dbf-a300-523f72f0bdb5",
      "name": "Testdaten simulieren",
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      "position": [
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        500
      ],
      "parameters": {
        "options": {},
        "assignments": {
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              "id": "0543fdb7-4a22-4530-bdb7-ae7064732fae",
              "name": "context_id",
              "type": "string",
              "value": "={{ $json.sessionId1 || '1lap075ha12' }}"
            },
            {
              "id": "bead5646-a689-4deb-8f4b-b22aa97b51ca",
              "name": "message",
              "type": "string",
              "value": "={{ $json.chatInput || 'Chat 2'}}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "cb450e32-7e19-469c-9a5c-3d9da5bf1dfa",
      "name": "Keine Operation, nichts tun3",
      "type": "n8n-nodes-base.noOp",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "b463e405-3355-48a2-a043-42941d7025c3",
      "name": "Notizzettel",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2880,
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      ],
      "parameters": {
        "color": 7,
        "width": 700,
        "height": 780,
        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n### 🧹 Buffer Cleanup\n\nAfter consolidation and reply:\n\n* **DELETE** keys:\n\n  * `buffer_in:{{context_id}}`\n  * `buffer_count:{{context_id}}`\n  * `waiting_reply:{{context_id}}`\n"
      },
      "typeVersion": 1
    },
    {
      "id": "1b5397f8-aa7e-4b2b-afb9-5da97d99e049",
      "name": "Notizzettel1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -80,
        60
      ],
      "parameters": {
        "color": 7,
        "width": 920,
        "height": 940,
        "content": "### 📥 Input Buffer\n\n1. **Save incoming message**\n\n   * Push the new message into Redis list `buffer_in:{{context_id}}`.\n2. **Update metadata**\n\n   * Set `last_seen:{{context_id}}` to the current timestamp (with a TTL of `waitSeconds + 60`).\n   * INCR the counter key `buffer_count:{{context_id}}` (also expiring after `waitSeconds + 60`).\n3. **Check “waiting” flag**\n\n   * GET `waiting_reply:{{context_id}}`.\n   * If it’s null (no batch in flight), SET it to `true` with TTL `waitSeconds` to block concurrent triggers."
      },
      "typeVersion": 1
    },
    {
      "id": "edc07500-ccad-4e72-adc1-1a63a3a06609",
      "name": "Notizzettel2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1180,
        340
      ],
      "parameters": {
        "color": 7,
        "width": 1200,
        "height": 820,
        "content": "### ⏳ Inactivity & Threshold Check\n\n1. **Fetch state**\n\n   * GET `last_seen:{{context_id}}` (when the last message arrived)\n   * GET `buffer_count:{{context_id}}` (how many messages are queued)\n2. **Evaluate trigger**\n\n   * **Inactivity:** `(now – last_seen) ≥ waitSeconds * 1000`\n   * **Or threshold:** `buffer_count ≥ 1` (or your desired batch size)\n3. **Branch**\n\n   * **True:** proceed to “Get buffer” and consolidate.\n   * **False:** exit (noOp) and let the waiting‐node/flag mechanism retry later."
      },
      "typeVersion": 1
    }
  ],
  "pinData": {
    "When Executed by Another Workflow": [
      {
        "message": "Mensaje del usuario despues de pasar por el workflow de n8n:\nTexto: ¡Hola! Quiero más información.;\nImagen: ;\nAudio: ;",
        "context_id": "573058148988@s.whatsapp.net"
      }
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