Optimiser la gestion des stocks de sécurité grâce à l’automatisation

Le stock de sécurité est essentiel pour absorber les aléas de la demande ou de la supply chain. L’automatisation permet de définir des seuils critiques personnalisés pour chaque produit, de recevoir des alertes dès qu’un niveau est atteint, et de déclencher automatiquement les réapprovisionnements. Les mouvements de stock sont tracés, les historiques analysés et les décisions d’achat optimisées. Ce système limite les ruptures, réduit le surstock et améliore la satisfaction client, tout en fluidifiant la gestion opérationnelle.

				
					{
  "id": "TEA7K9MSVQGCWKe6",
  "meta": {
    "instanceId": "ac63467607103d9c95dd644384984672b90b1cb03e07edbaf18fe72b2a6c45bb",
    "templateCredsSetupCompleted": true
  },
  "name": "A/B Split Testing",
  "tags": [],
  "nodes": [
    {
      "id": "e8404493-4297-4169-a72f-89e668ae5fbc",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -1460,
        -140
      ],
      "webhookId": "334e3a8d-73d2-4d3c-9927-158c1169ef5e",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "582e1c1b-12ff-42ff-8130-48f94eebd706",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        220,
        -160
      ],
      "parameters": {
        "text": "={{ $('When chat message received').item.json.chatInput }}",
        "options": {
          "systemMessage": "={{ $json.prompt }}"
        },
        "promptType": "define"
      },
      "typeVersion": 1.7
    },
    {
      "id": "39ca5c70-11d4-4f86-bde5-0f9827297be9",
      "name": "Check If Session Exists",
      "type": "n8n-nodes-base.supabase",
      "position": [
        -960,
        -140
      ],
      "parameters": {
        "filters": {
          "conditions": [
            {
              "keyName": "session_id",
              "keyValue": "={{ $('When chat message received').item.json.sessionId }}"
            }
          ]
        },
        "tableId": "split_test_sessions",
        "operation": "get"
      },
      "credentials": {
        "supabaseApi": {
          "id": "1iEg1EzFrF29iqp2",
          "name": "Supabase (bsde.ai)"
        }
      },
      "executeOnce": false,
      "typeVersion": 1,
      "alwaysOutputData": true
    },
    {
      "id": "35f2c270-9571-41ba-ab7c-47a6742d7d90",
      "name": "If Session Does Exist",
      "type": "n8n-nodes-base.if",
      "position": [
        -720,
        -140
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "4270c464-6874-45d2-aa3b-606f45544c3d",
              "operator": {
                "type": "number",
                "operation": "exists",
                "singleValue": true
              },
              "leftValue": "={{ $json.id }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "ec00ad92-96e9-4936-a547-2a2715ff5c32",
      "name": "Assign Path To Session",
      "type": "n8n-nodes-base.supabase",
      "position": [
        -400,
        -20
      ],
      "parameters": {
        "tableId": "split_test_sessions",
        "fieldsUi": {
          "fieldValues": [
            {
              "fieldId": "show_alternative",
              "fieldValue": "={{ Math.random() < 0.5 }}"
            },
            {
              "fieldId": "session_id",
              "fieldValue": "={{ $('When chat message received').item.json.sessionId }}"
            }
          ]
        }
      },
      "credentials": {
        "supabaseApi": {
          "id": "1iEg1EzFrF29iqp2",
          "name": "Supabase (bsde.ai)"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "92ee7145-30ae-41e9-bc04-eef03b84485e",
      "name": "Define Path Values",
      "type": "n8n-nodes-base.set",
      "position": [
        -1200,
        -140
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9581a184-a120-4b1f-8408-cfe97520d107",
              "name": "baseline_value",
              "type": "string",
              "value": "The dog's name is Ben"
            },
            {
              "id": "1752f2c4-4ce4-4893-b8db-1c59131c298a",
              "name": "alternative_value",
              "type": "string",
              "value": "The dog's name is Tom"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "23c1b4e2-2ba2-4237-bb4b-b92da127d201",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        300,
        60
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "1OMpAMAKR9l3eUDI",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "be3f14b9-68c7-457d-b5bf-a6abbadf5b67",
      "name": "Postgres Chat Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
      "position": [
        480,
        60
      ],
      "parameters": {
        "tableName": "n8n_split_test_chat_histories",
        "sessionKey": "={{ $('When chat message received').item.json.sessionId }}",
        "sessionIdType": "customKey"
      },
      "credentials": {
        "postgres": {
          "id": "tzLXHvhykxvYghPC",
          "name": "bsde.ai Supabase (Session Pooler)"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "1c20d274-2482-4551-a4ea-64860eb35276",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1520,
        -260
      ],
      "parameters": {
        "color": 7,
        "width": 220,
        "height": 300,
        "content": "## 1. Receive Messagenn"
      },
      "typeVersion": 1
    },
    {
      "id": "ee22d3b1-d447-4e35-8ac4-d093edf6deee",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1280,
        -340
      ],
      "parameters": {
        "color": 7,
        "width": 1340,
        "height": 500,
        "content": "## 2. Determine Prompt for LLMn"
      },
      "typeVersion": 1
    },
    {
      "id": "7d90ec00-5fca-4b0d-bc1f-e8b8c179b960",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        80,
        -240
      ],
      "parameters": {
        "color": 7,
        "width": 520,
        "height": 440,
        "content": "## 3. AI Agent"
      },
      "typeVersion": 1
    },
    {
      "id": "b9b9e0e8-53c1-4d6a-bbdc-c2a13d740dfb",
      "name": "Get Correct Prompt",
      "type": "n8n-nodes-base.set",
      "position": [
        -80,
        -160
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "08de68ec-0f12-43ee-98ab-59d8a414f114",
              "name": "prompt",
              "type": "string",
              "value": "={{ $json.show_alternative ? $('Define Path Values').item.json.alternative_value : $('Define Path Values').item.json.baseline_value }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "2b78ce9b-e6b4-4744-8ddf-00f8ae990fc8",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1260,
        -240
      ],
      "parameters": {
        "color": 5,
        "width": 220,
        "height": 260,
        "content": "### ModificationnSet the values of the  baseline and alternative prompts"
      },
      "typeVersion": 1
    },
    {
      "id": "0646f176-407a-41ee-b602-34bd681fc421",
      "name": "Sticky Note8",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        100,
        40
      ],
      "parameters": {
        "color": 5,
        "width": 340,
        "height": 140,
        "content": "### ModificationnReplace this sub-node nto use a different languagen model"
      },
      "typeVersion": 1
    },
    {
      "id": "a391018c-5d28-4384-89e1-0435758a6945",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1480,
        -600
      ],
      "parameters": {
        "width": 520,
        "height": 240,
        "content": "### Setupn1. Create a table in Supabase called **split_test_sessions**. It needs to have the following columns: **session_id** (`text`) and **show_alternative** (`bool`)n2. Add your **Supabase**, **OpenAI**, and **PostgreSQL** credentialsn3. Modify the **Define Path Values** node to set the baseline and alternative prompt values.n4. Activate the workflow and test by sending messages through n8n's inbuilt chatn5. Experiment with different chat sessions to test see both prompts in action"
      },
      "typeVersion": 1
    },
    {
      "id": "2382d146-f0c1-4de6-9e90-b17c304df692",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2120,
        -360
      ],
      "parameters": {
        "width": 560,
        "height": 480,
        "content": "n## Split Test Different Agent Prompts with Supabase and OpenAIn### Use CasenOftentimes, it's useful to test different settings for a large language model in production against various metrics. Split testing is a good method for doing this.n### What it DoesnThis workflow randomly assigns chat sessions to one of two prompts, the baseline and the alternative. The agent will use the same prompt for all interactions in that chat session.n### How it Worksn1. When messages arrive, a table containing information regarding session ID and which prompt to use is checked to see if the chat already existsn2. If it does not, the session ID is added to the table and a prompt is randomly assignedn3. These values are then used to generate a responsen### Next Stepsn- Modify the workflow to test different LLM settings such as temperaturen- Add a method to measure the efficacy of the two alternative prompts"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "339c6f2f-e4d1-4922-9442-2c1a78e96067",
  "connections": {
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Define Path Values": {
      "main": [
        [
          {
            "node": "Check If Session Exists",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Correct Prompt": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Postgres Chat Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "If Session Does Exist": {
      "main": [
        [
          {
            "node": "Get Correct Prompt",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Assign Path To Session",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Assign Path To Session": {
      "main": [
        [
          {
            "node": "Get Correct Prompt",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check If Session Exists": {
      "main": [
        [
          {
            "node": "If Session Does Exist",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "Define Path Values",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}