{
  "name": "RAG KI-Bot (PGVector)",
  "nodes": [
    {
      "parameters": {
        "public": true,
        "initialMessages": "Hallo! 👋\nMein Name ist Clara (Customer Learning & Answering Reference Assistant)\nWie kann ich behilflich sein?",
        "options": {
          "inputPlaceholder": "Hier die Frage eingeben...",
          "showWelcomeScreen": true,
          "subtitle": "Die Antworten der AI können fehlerhaft sein.",
          "title": "Support-Chat 👋",
          "customCss": ":root {\n  /* Colors */\n  --chat--color-primary: #e74266;\n  --chat--color-primary-shade-50: #db4061;\n  --chat--color-primary-shade-100: #cf3c5c;\n  --chat--color-secondary: #20b69e;\n  --chat--color-secondary-shade-50: #1ca08a;\n  --chat--color-white: #ffffff;\n  --chat--color-light: #f2f4f8;\n  --chat--color-light-shade-50: #e6e9f1;\n  --chat--color-light-shade-100: #c2c5cc;\n  --chat--color-medium: #d2d4d9;\n  --chat--color-dark: #101330;\n  --chat--color-disabled: #d2d4d9;\n  --chat--color-typing: #404040;\n\n  /* Base Layout */\n  --chat--spacing: 1rem;\n  --chat--border-radius: 0.25rem;\n  --chat--transition-duration: 0.15s;\n  --chat--font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\n\n  /* Window Dimensions */\n  --chat--window--width: 400px;\n  --chat--window--height: 600px;\n  --chat--window--bottom: var(--chat--spacing);\n  --chat--window--right: var(--chat--spacing);\n  --chat--window--z-index: 9999;\n  --chat--window--border: 1px solid var(--chat--color-light-shade-50);\n  --chat--window--border-radius: var(--chat--border-radius);\n  --chat--window--margin-bottom: var(--chat--spacing);\n\n  /* Header Styles */\n  --chat--header-height: auto;\n  --chat--header--padding: var(--chat--spacing);\n  --chat--header--background: var(--chat--color-dark);\n  --chat--header--color: var(--chat--color-light);\n  --chat--header--border-top: none;\n  --chat--header--border-bottom: none;\n  --chat--header--border-left: none;\n  --chat--header--border-right: none;\n  --chat--heading--font-size: 2em;\n  --chat--subtitle--font-size: inherit;\n  --chat--subtitle--line-height: 1.8;\n\n  /* Message Styles */\n  --chat--message--font-size: 1rem;\n  --chat--message--padding: var(--chat--spacing);\n  --chat--message--border-radius: var(--chat--border-radius);\n  --chat--message-line-height: 1.5;\n  --chat--message--margin-bottom: calc(var(--chat--spacing) * 1);\n  --chat--message--bot--background: var(--chat--color-white);\n  --chat--message--bot--color: var(--chat--color-dark);\n  --chat--message--bot--border: none;\n  --chat--message--user--background: var(--chat--color-secondary);\n  --chat--message--user--color: var(--chat--color-white);\n  --chat--message--user--border: none;\n  --chat--message--pre--background: rgba(0, 0, 0, 0.05);\n  --chat--messages-list--padding: var(--chat--spacing);\n\n  /* Toggle Button */\n  --chat--toggle--size: 64px;\n  --chat--toggle--width: var(--chat--toggle--size);\n  --chat--toggle--height: var(--chat--toggle--size);\n  --chat--toggle--border-radius: 50%;\n  --chat--toggle--background: var(--chat--color-primary);\n  --chat--toggle--hover--background: var(--chat--color-primary-shade-50);\n  --chat--toggle--active--background: var(--chat--color-primary-shade-100);\n  --chat--toggle--color: var(--chat--color-white);\n\n  /* Input Area */\n  --chat--textarea--height: 50px;\n  --chat--textarea--max-height: 30rem;\n  --chat--input--font-size: inherit;\n  --chat--input--border: 0;\n  --chat--input--border-radius: 0;\n  --chat--input--padding: 0.8rem;\n  --chat--input--background: var(--chat--color-white);\n  --chat--input--text-color: initial;\n  --chat--input--line-height: 1.5;\n  --chat--input--placeholder--font-size: var(--chat--input--font-size);\n  --chat--input--border-active: 0;\n  --chat--input--left--panel--width: 2rem;\n\n  /* Button Styles */\n  --chat--button--color: var(--chat--color-light);\n  --chat--button--background: var(--chat--color-primary);\n  --chat--button--padding: calc(var(--chat--spacing) * 1 / 2) var(--chat--spacing);\n  --chat--button--border-radius: var(--chat--border-radius);\n  --chat--button--hover--color: var(--chat--color-light);\n  --chat--button--hover--background: var(--chat--color-primary-shade-50);\n  --chat--close--button--color-hover: var(--chat--color-primary);\n\n  /* Send and File Buttons */\n  --chat--input--send--button--background: var(--chat--color-white);\n  --chat--input--send--button--color: var(--chat--color-secondary);\n  --chat--input--send--button--background-hover: var(--chat--color-primary-shade-50);\n  --chat--input--send--button--color-hover: var(--chat--color-secondary-shade-50);\n  --chat--input--file--button--background: var(--chat--color-white);\n  --chat--input--file--button--color: var(--chat--color-secondary);\n  --chat--input--file--button--background-hover: var(--chat--input--file--button--background);\n  --chat--input--file--button--color-hover: var(--chat--color-secondary-shade-50);\n  --chat--files-spacing: 0.25rem;\n\n  /* Body and Footer */\n  --chat--body--background: var(--chat--color-light);\n  --chat--footer--background: var(--chat--color-light);\n  --chat--footer--color: var(--chat--color-dark);\n}\n\n\n/* You can override any class styles, too. Right-click inspect in Chat UI to find class to override. */\n.chat-message {\n\tmax-width: 50%;\n}",
          "responseMode": "lastNode"
        }
      },
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.3,
      "position": [
        0,
        0
      ],
      "id": "chat-trigger-001",
      "name": "When chat message received",
      "webhookId": "rag-chat-webhook",
      "notesInFlow": true,
      "notes": "Chat URL: /webhook/rag-chat-webhook/chat"
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $json.chatInput }}\nAntworte ausschliesslich auf Deutsch und nutze zuerst die Wissensdatenbank.",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 2.2,
      "position": [
        208,
        0
      ],
      "id": "ai-agent-001",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "model": "ministral-3:3b",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "typeVersion": 1,
      "position": [
        64,
        208
      ],
      "id": "ollama-chat-001",
      "name": "Ollama Chat Model",
      "credentials": {
        "ollamaApi": {
          "id": "ZmMYzkrY4zMFYJ1J",
          "name": "Ollama (local)"
        }
      }
    },
    {
      "parameters": {},
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        224,
        208
      ],
      "id": "memory-001",
      "name": "Simple Memory"
    },
    {
      "parameters": {
        "mode": "retrieve-as-tool",
        "toolName": "knowledge_base",
        "toolDescription": "Verwende dieses Tool für Infos die der Benutzer fragt. Sucht in der Wissensdatenbank nach relevanten Dokumenten.",
        "tableName": "documents",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
      "typeVersion": 1,
      "position": [
        432,
        128
      ],
      "id": "pgvector-retrieve-001",
      "name": "PGVector Store",
      "credentials": {
        "postgres": {
          "id": "1VVtY5ei866suQdA",
          "name": "PostgreSQL (local)"
        }
      }
    },
    {
      "parameters": {
        "model": "nomic-embed-text:latest"
      },
      "type": "@n8n/n8n-nodes-langchain.embeddingsOllama",
      "typeVersion": 1,
      "position": [
        416,
        288
      ],
      "id": "embeddings-retrieve-001",
      "name": "Embeddings Ollama",
      "credentials": {
        "ollamaApi": {
          "id": "ZmMYzkrY4zMFYJ1J",
          "name": "Ollama (local)"
        }
      }
    },
    {
      "parameters": {
        "formTitle": "Dokument hochladen",
        "formDescription": "Laden Sie ein PDF-Dokument hoch, um es in die Wissensdatenbank aufzunehmen.",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Dokument",
              "fieldType": "file",
              "acceptFileTypes": ".pdf"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.formTrigger",
      "typeVersion": 2.3,
      "position": [
        768,
        0
      ],
      "id": "form-trigger-001",
      "name": "On form submission",
      "webhookId": "rag-upload-form"
    },
    {
      "parameters": {
        "operation": "pdf",
        "binaryPropertyName": "Dokument",
        "options": {}
      },
      "type": "n8n-nodes-base.extractFromFile",
      "typeVersion": 1,
      "position": [
        976,
        0
      ],
      "id": "extract-file-001",
      "name": "Extract from File"
    },
    {
      "parameters": {
        "mode": "insert",
        "tableName": "documents",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
      "typeVersion": 1,
      "position": [
        1184,
        0
      ],
      "id": "pgvector-insert-001",
      "name": "PGVector Store Insert",
      "credentials": {
        "postgres": {
          "id": "1VVtY5ei866suQdA",
          "name": "PostgreSQL (local)"
        }
      }
    },
    {
      "parameters": {
        "model": "nomic-embed-text:latest"
      },
      "type": "@n8n/n8n-nodes-langchain.embeddingsOllama",
      "typeVersion": 1,
      "position": [
        1168,
        240
      ],
      "id": "embeddings-insert-001",
      "name": "Embeddings Ollama1",
      "credentials": {
        "ollamaApi": {
          "id": "ZmMYzkrY4zMFYJ1J",
          "name": "Ollama (local)"
        }
      }
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "typeVersion": 1.1,
      "position": [
        1392,
        240
      ],
      "id": "data-loader-001",
      "name": "Default Data Loader"
    }
  ],
  "pinData": {},
  "connections": {
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Ollama Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "PGVector Store": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings Ollama": {
      "ai_embedding": [
        [
          {
            "node": "PGVector Store",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "On form submission": {
      "main": [
        [
          {
            "node": "Extract from File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract from File": {
      "main": [
        [
          {
            "node": "PGVector Store Insert",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings Ollama1": {
      "ai_embedding": [
        [
          {
            "node": "PGVector Store Insert",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "Default Data Loader": {
      "ai_document": [
        [
          {
            "node": "PGVector Store Insert",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "6ebf0ac8-b8ab-49ee-b6f1-df0b606b3a33",
  "meta": {
    "instanceId": "a2179cec0884855b4d650fea20868c0dbbb03f0d0054c803c700fff052afc74c"
  },
  "id": "Q9Bm63B9ae8rAj95",
  "tags": []
}