{
  "name": "68 Assistant router (reference · Lab 02 example 2)",
  "nodes": [
    {
      "name": "Assistant webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        0,
        300
      ],
      "parameters": {
        "httpMethod": "POST",
        "path": "my-assistant",
        "responseMode": "responseNode",
        "options": {}
      }
    },
    {
      "name": "Has message?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [
        200,
        300
      ],
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "c1",
              "leftValue": "={{ $json.body.message }}",
              "rightValue": "",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      }
    },
    {
      "name": "Reject empty",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        420,
        520
      ],
      "parameters": {
        "respondWith": "json",
        "responseBody": "{ \"error\": \"message is required\" }",
        "options": {
          "responseCode": 400
        }
      }
    },
    {
      "name": "Split tasks",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 3.1,
      "position": [
        420,
        300
      ],
      "parameters": {
        "promptType": "define",
        "text": "={{ $('Assistant webhook').first().json.body.message }}",
        "options": {
          "systemMessage": "You split one employee message into separate tasks. Task types: \"it\" = IT problems and IT request status (password, account, VPN, printer, mail, software, ticket ids like T-1002); \"meeting\" = organizing meeting notes or action items; \"other\" = anything else. One task per separate request. Keep each task text in Korean as the employee wrote it, and keep ticket ids. Return only JSON, no code fence: {\"tasks\": [{\"type\": \"it\", \"text\": \"...\"}]}",
          "maxIterations": 2
        }
      }
    },
    {
      "name": "OpenAI chat model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        380,
        520
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "id",
          "value": "gpt-4.1-mini"
        },
        "options": {
          "temperature": 0
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "openAiCourse0001",
          "name": "OpenAI (.env)"
        }
      }
    },
    {
      "name": "Parse tasks",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        680,
        300
      ],
      "parameters": {
        "jsCode": "// Turn the agent text into a list of tasks.\nconst raw = String($json.output ?? '').trim().replace(/^```(json)?\\s*|```$/g, '');\nlet items = [];\ntry { const data = JSON.parse(raw); items = Array.isArray(data) ? data : (data.tasks ?? []); } catch (error) { items = []; }\nconst tasks = items\n  .map(item => ({ type: ['it', 'meeting', 'other'].includes(item?.type) ? item.type : 'other', text: String(item?.text ?? '').trim() }))\n  .filter(task => task.text);\nreturn [{ json: { count: tasks.length, tasks } }];"
      }
    },
    {
      "name": "One item per task",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        880,
        300
      ],
      "parameters": {
        "jsCode": "// One item per task, numbered in the order of the message.\nreturn $json.tasks.map((task, index) => ({ json: { index: index + 1, ...task } }));"
      }
    },
    {
      "name": "Route by type",
      "type": "n8n-nodes-base.switch",
      "typeVersion": 3.2,
      "position": [
        1080,
        300
      ],
      "parameters": {
        "rules": {
          "values": [
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 2
                },
                "conditions": [
                  {
                    "id": "r-it",
                    "leftValue": "={{ $json.type }}",
                    "rightValue": "it",
                    "operator": {
                      "type": "string",
                      "operation": "equals"
                    }
                  }
                ],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "it"
            },
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 2
                },
                "conditions": [
                  {
                    "id": "r-meeting",
                    "leftValue": "={{ $json.type }}",
                    "rightValue": "meeting",
                    "operator": {
                      "type": "string",
                      "operation": "equals"
                    }
                  }
                ],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "meeting"
            },
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 2
                },
                "conditions": [
                  {
                    "id": "r-other",
                    "leftValue": "={{ $json.type }}",
                    "rightValue": "other",
                    "operator": {
                      "type": "string",
                      "operation": "equals"
                    }
                  }
                ],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "other"
            }
          ]
        },
        "options": {}
      }
    },
    {
      "name": "Call IT agent",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1300,
        100
      ],
      "parameters": {
        "method": "POST",
        "url": "http://localhost:5678/webhook/it-agent",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ question: $json.text, user: $('Assistant webhook').first().json.body.user }) }}",
        "options": {
          "timeout": 60000
        }
      }
    },
    {
      "name": "Call meeting agent",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1300,
        300
      ],
      "parameters": {
        "method": "POST",
        "url": "http://localhost:5678/webhook/meeting-agent",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ title: $('Assistant webhook').first().json.body.title, notes: $('Assistant webhook').first().json.body.notes }) }}",
        "options": {
          "timeout": 60000
        }
      }
    },
    {
      "name": "IT result",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1520,
        100
      ],
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "a0",
              "name": "index",
              "value": "={{ $('Route by type').item.json.index }}",
              "type": "number"
            },
            {
              "id": "a1",
              "name": "type",
              "value": "={{ $('Route by type').item.json.type }}",
              "type": "string"
            },
            {
              "id": "a2",
              "name": "text",
              "value": "={{ $('Route by type').item.json.text }}",
              "type": "string"
            },
            {
              "id": "a3",
              "name": "agent",
              "value": "it-agent",
              "type": "string"
            },
            {
              "id": "a4",
              "name": "route",
              "value": "={{ $json.route || '오류' }}",
              "type": "string"
            },
            {
              "id": "a5",
              "name": "answer",
              "value": "={{ $json.answer || $json.error || '' }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      }
    },
    {
      "name": "Meeting result",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1520,
        300
      ],
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "a0",
              "name": "index",
              "value": "={{ $('Route by type').item.json.index }}",
              "type": "number"
            },
            {
              "id": "a1",
              "name": "type",
              "value": "={{ $('Route by type').item.json.type }}",
              "type": "string"
            },
            {
              "id": "a2",
              "name": "text",
              "value": "={{ $('Route by type').item.json.text }}",
              "type": "string"
            },
            {
              "id": "a3",
              "name": "agent",
              "value": "meeting-agent",
              "type": "string"
            },
            {
              "id": "a4",
              "name": "route",
              "value": "={{ $json.route || '오류' }}",
              "type": "string"
            },
            {
              "id": "a5",
              "name": "answer",
              "value": "={{ $json.summary ? $json.summary + ' 할 일: ' + ($json.actions ?? []).map(a => a.owner + ' - ' + a.task + ' (' + a.due + ')').join('; ') : ($json.error ?? '') }}",
              "type": "string"
            },
            {
              "id": "a6",
              "name": "actions",
              "value": "={{ $json.actions ?? [] }}",
              "type": "array"
            }
          ]
        },
        "options": {}
      }
    },
    {
      "name": "Other result",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1520,
        500
      ],
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "a0",
              "name": "index",
              "value": "={{ $('Route by type').item.json.index }}",
              "type": "number"
            },
            {
              "id": "a1",
              "name": "type",
              "value": "={{ $('Route by type').item.json.type }}",
              "type": "string"
            },
            {
              "id": "a2",
              "name": "text",
              "value": "={{ $('Route by type').item.json.text }}",
              "type": "string"
            },
            {
              "id": "a3",
              "name": "agent",
              "value": "담당자 연결",
              "type": "string"
            },
            {
              "id": "a4",
              "name": "route",
              "value": "담당자 연결",
              "type": "string"
            },
            {
              "id": "a5",
              "name": "answer",
              "value": "IT 문의와 회의록 정리 말고는 도와드릴 수 없어 담당자에게 전달했습니다.",
              "type": "string"
            }
          ]
        },
        "options": {}
      }
    },
    {
      "name": "Collect results",
      "type": "n8n-nodes-base.merge",
      "typeVersion": 3,
      "position": [
        1760,
        300
      ],
      "parameters": {
        "numberInputs": 3
      }
    },
    {
      "name": "All results",
      "type": "n8n-nodes-base.aggregate",
      "typeVersion": 1,
      "position": [
        1960,
        300
      ],
      "parameters": {
        "aggregate": "aggregateAllItemData",
        "destinationFieldName": "results",
        "options": {}
      }
    },
    {
      "name": "Build reply",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        2160,
        300
      ],
      "parameters": {
        "jsCode": "// Combine the task results into one reply, in the order of the message.\nconst results = ($json.results ?? []).sort((a, b) => a.index - b.index);\nconst lines = results.map(r => `${r.index}. ${r.text}\\n   → [${r.route}] ${r.answer}`);\nreturn [{ json: { count: results.length, results, reply: lines.join('\\n') } }];"
      }
    },
    {
      "name": "Send result",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        2360,
        300
      ],
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}",
        "options": {}
      }
    }
  ],
  "connections": {
    "Assistant webhook": {
      "main": [
        [
          {
            "node": "Has message?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Has message?": {
      "main": [
        [
          {
            "node": "Split tasks",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Reject empty",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI chat model": {
      "ai_languageModel": [
        [
          {
            "node": "Split tasks",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Split tasks": {
      "main": [
        [
          {
            "node": "Parse tasks",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Parse tasks": {
      "main": [
        [
          {
            "node": "One item per task",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "One item per task": {
      "main": [
        [
          {
            "node": "Route by type",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Route by type": {
      "main": [
        [
          {
            "node": "Call IT agent",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Call meeting agent",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Other result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Call IT agent": {
      "main": [
        [
          {
            "node": "IT result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Call meeting agent": {
      "main": [
        [
          {
            "node": "Meeting result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "IT result": {
      "main": [
        [
          {
            "node": "Collect results",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Meeting result": {
      "main": [
        [
          {
            "node": "Collect results",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Other result": {
      "main": [
        [
          {
            "node": "Collect results",
            "type": "main",
            "index": 2
          }
        ]
      ]
    },
    "Collect results": {
      "main": [
        [
          {
            "node": "All results",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "All results": {
      "main": [
        [
          {
            "node": "Build reply",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build reply": {
      "main": [
        [
          {
            "node": "Send result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}