Add new ai tutorial

docs/_extra/css/extra.css

@@ -53,6 +53,20 @@
   }
 
 
+  .md-typeset .admonition.explanation,
+  .md-typeset details.explanation {
+    border-color: var(--color-primary);
+  }
+  .md-typeset .explanation > .admonition-title,
+  .md-typeset .explanation > summary {
+    background-color: var(--color-background-light);
+  }
+  .md-typeset .explanation > .admonition-title::before,
+  .md-typeset .explanation > summary::before {
+    background-color: rgb(43, 155, 70);
+    -webkit-mask-image: var(--md-admonition-icon--info);
+            mask-image: var(--md-admonition-icon--info);
+  }
 
 
   /* light mode */

docs/_workflows/advanced-ai/tutorials/chat_01.json

@@ -0,0 +1,31 @@
+{
+    "name": "AI tutorial",
+    "nodes": [
+      {
+        "parameters": {
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.chatTrigger",
+        "typeVersion": 1.1,
+        "position": [
+          -200,
+          -40
+        ],
+        "id": "a2d42e1f-36df-4a6a-a3b4-99a162074d11",
+        "name": "When chat message received",
+        "webhookId": "97c1a41f-8ef0-4d63-a924-92eb634384d3"
+      }
+    ],
+    "pinData": {},
+    "connections": {},
+    "active": false,
+    "settings": {
+      "executionOrder": "v1"
+    },
+    "versionId": "b1641385-c6b0-48a8-8e26-20d1f6bd7fda",
+    "meta": {
+      "instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
+    },
+    "id": "l05TkWXXYbOiuL4o",
+    "tags": []
+  }

docs/_workflows/advanced-ai/tutorials/chat_02.json

@@ -0,0 +1,56 @@
+{
+    "name": "AI tutorial",
+    "nodes": [
+      {
+        "parameters": {
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.chatTrigger",
+        "typeVersion": 1.1,
+        "position": [
+          -300,
+          -40
+        ],
+        "id": "a2d42e1f-36df-4a6a-a3b4-99a162074d11",
+        "name": "When chat message received",
+        "webhookId": "97c1a41f-8ef0-4d63-a924-92eb634384d3"
+      },
+      {
+        "parameters": {
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.agent",
+        "typeVersion": 1.7,
+        "position": [
+          -80,
+          -40
+        ],
+        "id": "0f61a10f-668f-42f7-b835-cf3efb60082a",
+        "name": "AI Agent"
+      }
+    ],
+    "pinData": {},
+    "connections": {
+      "When chat message received": {
+        "main": [
+          [
+            {
+              "node": "AI Agent",
+              "type": "main",
+              "index": 0
+            }
+          ]
+        ]
+      }
+    },
+    "active": false,
+    "settings": {
+      "executionOrder": "v1"
+    },
+    "versionId": "b1641385-c6b0-48a8-8e26-20d1f6bd7fda",
+    "meta": {
+      "instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
+    },
+    "id": "l05TkWXXYbOiuL4o",
+    "tags": []
+  }

docs/_workflows/advanced-ai/tutorials/chat_complete.json

@@ -0,0 +1,114 @@
+{
+    "name": "AI tutorial",
+    "nodes": [
+      {
+        "parameters": {
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.chatTrigger",
+        "typeVersion": 1.1,
+        "position": [
+          -300,
+          -40
+        ],
+        "id": "a2d42e1f-36df-4a6a-a3b4-99a162074d11",
+        "name": "When chat message received",
+        "webhookId": "97c1a41f-8ef0-4d63-a924-92eb634384d3"
+      },
+      {
+        "parameters": {
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.agent",
+        "typeVersion": 1.7,
+        "position": [
+          -80,
+          -40
+        ],
+        "id": "0f61a10f-668f-42f7-b835-cf3efb60082a",
+        "name": "AI Agent"
+      },
+      {
+        "parameters": {
+          "model": {
+            "__rl": true,
+            "mode": "list",
+            "value": "gpt-4o-mini"
+          },
+          "options": {}
+        },
+        "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
+        "typeVersion": 1.2,
+        "position": [
+          -100,
+          160
+        ],
+        "id": "b8129c6d-f201-4378-8f66-ce9a6cfd5f3b",
+        "name": "OpenAI Chat Model",
+        "credentials": {
+          "openAiApi": {
+            "id": "jiPPcYV9I70iKapN",
+            "name": "OpenAi account 37"
+          }
+        }
+      },
+      {
+        "parameters": {},
+        "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
+        "typeVersion": 1.3,
+        "position": [
+          20,
+          180
+        ],
+        "id": "afbab05c-1e87-4f7a-9d66-c86f9db1ec64",
+        "name": "Window Buffer Memory"
+      }
+    ],
+    "pinData": {},
+    "connections": {
+      "When chat message received": {
+        "main": [
+          [
+            {
+              "node": "AI Agent",
+              "type": "main",
+              "index": 0
+            }
+          ]
+        ]
+      },
+      "OpenAI Chat Model": {
+        "ai_languageModel": [
+          [
+            {
+              "node": "AI Agent",
+              "type": "ai_languageModel",
+              "index": 0
+            }
+          ]
+        ]
+      },
+      "Window Buffer Memory": {
+        "ai_memory": [
+          [
+            {
+              "node": "AI Agent",
+              "type": "ai_memory",
+              "index": 0
+            }
+          ]
+        ]
+      }
+    },
+    "active": false,
+    "settings": {
+      "executionOrder": "v1"
+    },
+    "versionId": "b1641385-c6b0-48a8-8e26-20d1f6bd7fda",
+    "meta": {
+      "templateCredsSetupCompleted": true,
+      "instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
+    },
+    "id": "l05TkWXXYbOiuL4o",
+    "tags": []
+  }