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        400
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    {
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        "url": "https://paperless.paccoco.com/api/documents/post_document/",
        "sendHeaders": true,
        "headerParameters": {
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          "jsCode": "const input    = $input.first().json;\nconst text     = input.ragText || '';\nconst source   = input.source;\nconst metadata = input.metadata;\n\nconst CHUNK_SIZE = 400;\nconst MAX_CHUNK  = 600;\nconst OVERLAP    = 50;\n\nconst chunks = [];\nconst sentences = text.split(/(?<=[.!?])\\s+/);\nlet current = '';\n\nfor (const sentence of sentences) {\n  // If a single sentence exceeds MAX_CHUNK, split it by words first\n  const parts = [];\n  if (sentence.length > MAX_CHUNK) {\n    const words = sentence.split(' ');\n    let part = '';\n    for (const word of words) {\n      if ((part + ' ' + word).length > CHUNK_SIZE && part.length > 0) {\n        parts.push(part.trim());\n        part = word;\n      } else {\n        part = part ? part + ' ' + word : word;\n      }\n    }\n    if (part.trim()) parts.push(part.trim());\n  } else {\n    parts.push(sentence);\n  }\n\n  for (const part of parts) {\n    if ((current + ' ' + part).length > CHUNK_SIZE && current.length > 0) {\n      chunks.push(current.trim());\n      const words = current.split(' ');\n      current = words.slice(-OVERLAP).join(' ') + ' ' + part;\n    } else {\n      current = current ? current + ' ' + part : part;\n    }\n  }\n}\nif (current.trim()) chunks.push(current.trim());\n\nreturn chunks.map((chunk, i) => ({\n  json: { chunk, chunkIndex: i, totalChunks: chunks.length, source, metadata }\n}));"
        },
        "id": "27e49a3d-1e3d-4915-973c-f9fead428abf",
        "name": "Chunk Text",
        "type": "n8n-nodes-base.code",
        "typeVersion": 2,
        "position": [
          672,
          208
        ]
      },
      {
        "parameters": {
          "method": "POST",
          "url": "http://10.5.30.6:11434/v1/embeddings",
          "sendHeaders": true,
          "headerParameters": {
            "parameters": [
              {
                "name": "Content-Type",
                "value": "application/json"
              }
            ]
          },
          "sendBody": true,
          "specifyBody": "json",
          "jsonBody": "={\n  \"model\": \"nomic-embed-text\",\n  \"input\": {{ JSON.stringify($json.chunk) }}\n}",
          "options": {
            "batching": {
              "batch": {
                "batchSize": 5,
                "batchInterval": 500
              }
            }
          }
        },
        "id": "edad418d-f4cc-4c45-a47f-dfa056436f04",
        "name": "Get Embedding",
        "type": "n8n-nodes-base.httpRequest",
        "typeVersion": 4.2,
        "position": [
          896,
          208
        ]
      },
      {
        "parameters": {
          "jsCode": "const embeddingResponse = $input.first().json;\nconst chunkData         = $('Chunk Text').item;\nconst embedding         = embeddingResponse.data?.[0]?.embedding || [];\n\nconst pointId = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {\n  const r = Math.random() * 16 | 0;\n  return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);\n});\n\nreturn [{\n  json: {\n    id: pointId,\n    vector: embedding,\n    payload: {\n      text:        chunkData.json.chunk,\n      source:      chunkData.json.source,\n      chunkIndex:  chunkData.json.chunkIndex,\n      totalChunks: chunkData.json.totalChunks,\n      metadata:    chunkData.json.metadata,\n      ingested_at: new Date().toISOString()\n    }\n  }\n}];"
        },
        "id": "d2ffc045-043c-4292-aeb3-1ef4cf7d98aa",
        "name": "Prepare Qdrant Point",
        "type": "n8n-nodes-base.code",
        "typeVersion": 2,
        "position": [
          1120,
          208
        ]
      },
      {
        "parameters": {
          "method": "PUT",
          "url": "http://10.5.30.6:6333/collections/knowledge_base/points",
          "sendHeaders": true,
          "headerParameters": {
            "parameters": [
              {
                "name": "Content-Type",
                "value": "application/json"
              }
            ]
          },
          "sendBody": true,
          "specifyBody": "json",
          "jsonBody": "={\n  \"points\": [\n    {\n      \"id\": \"{{ $json.id }}\",\n      \"vector\": {{ JSON.stringify($json.vector) }},\n      \"payload\": {{ JSON.stringify($json.payload) }}\n    }\n  ]\n}",
          "options": {}
        },
        "id": "18790ae4-91e9-4b0f-b7f8-7d6a2e3e53f6",
        "name": "Upsert to Qdrant",
        "type": "n8n-nodes-base.httpRequest",
        "typeVersion": 4.2,
        "position": [
          1344,
          208
        ]
      },
      {
        "parameters": {
          "jsCode": "const rag = $('Prepare for RAG').first().json;\nreturn [{\n  json: {\n    title:    `🎓 ${rag.className} Lecture Processed`,\n    message:  `${rag.lectureTitle} (${rag.durationMinutes}min)\\nSummary: ${rag.notes.summary}\\nKey concepts: ${(rag.notes.key_concepts || []).slice(0, 5).join(', ')}`,\n    priority: 5\n  }\n}];"
        },
        "id": "41fb5e91-ba0d-402e-b23f-85707e5b1890",
        "name": "Format Gotify Message",
        "type": "n8n-nodes-base.code",
        "typeVersion": 2,
        "position": [
          1328,
          0
        ]
      },
      {
        "parameters": {
          "message": "={{ $json.message }}",
          "additionalFields": {
            "priority": "={{ $json.priority }}",
            "title": "={{ $json.title }}"
          },
          "options": {
            "contentType": "text/plain"
          }
        },
        "id": "714c0cc6-8023-4988-9e4a-60719263615f",
        "name": "Notify via Gotify",
        "type": "n8n-nodes-base.gotify",
        "typeVersion": 1,
        "position": [
          1552,
          0
        ],
        "credentials": {
          "gotifyApi": {
            "id": "MzvuWWDoIzIBNW5k",
            "name": "Whisper"
          }
        }
      },
      {
        "parameters": {
          "jsCode": "const rag   = $('Prepare for RAG').first().json;\nconst notes = rag.notes || {};\nconst concepts = (notes.key_concepts || []).map((c,i) => `${i+1}. ${c}`).join('\\n');\nconst defList  = notes.definitions || [];\nconst defs     = Array.isArray(defList)\n  ? defList.map(d => `${d.term}: ${d.definition}`).join('\\n')\n  : Object.entries(defList).map(([k,v]) => `${k}: ${v}`).join('\\n');\nconst assignments = (notes.assignments || []).map((a,i) => `${i+1}. ${a}`).join('\\n');\n\nconst content = [\n  `Lecture Notes: ${rag.lectureTitle}`,\n  `Class: ${rag.className}`,\n  `Duration: ${rag.durationMinutes} minutes`,\n  `Date: ${new Date().toISOString()}`, '',\n  `Summary`, `=======`, notes.summary || '', '',\n  `Key Concepts`, `=============`, concepts,\n  ...(defs         ? ['', `Definitions`,  `===========`, defs]        : []),\n  ...(assignments  ? ['', `Assignments`,  `===========`, assignments] : []),\n  '', `Full Transcript`, `================`, rag.fullText || '',\n].join('\\n');\n\nconst title = `${rag.className} — ${rag.lectureTitle}`;\nreturn [{\n  binary: {\n    document: {\n      data:     Buffer.from(content, 'utf-8').toString('base64'),\n      mimeType: 'text/plain',\n      fileName: `${title}.txt`\n    }\n  },\n  json: { title, className: rag.className }\n}];"
        },
        "id": "ff1febf5-881b-47c8-b247-e11f94ca7c5c",
        "name": "Prepare Notes Doc",
        "type": "n8n-nodes-base.code",
        "typeVersion": 2,
        "position": [
          1552,
          400
        ]
      },
      {
        "parameters": {
          "method": "POST",
          "url": "https://paperless.paccoco.com/api/documents/post_document/",
          "sendHeaders": true,
          "headerParameters": {
            "parameters": [
              {
                "name": "Authorization",
                "value": "=Token {{ $env.PAPERLESS_API_TOKEN }}"
              }
            ]
          },
          "sendBody": true,
          "contentType": "multipart-form-data",
          "bodyParameters": {
            "parameters": [
              {
                "parameterType": "formBinaryData",
                "name": "document",
                "inputDataFieldName": "document"
              },
              {
                "name": "title",
                "value": "={{ $json.title }}"
              },
              {
                "name": "tags[]",
                "value": "={{ $env.PAPERLESS_TAG_LECTURE_NOTES }}"
              }
            ]
          },
          "options": {
            "response": {
              "response": {
                "responseFormat": "text"
              }
            }
          }
        },
        "id": "ed40f5a1-a165-40ec-adb1-9569884ab5bb",
        "name": "Save Notes to Paperless",
        "type": "n8n-nodes-base.httpRequest",
        "typeVersion": 4.2,
        "position": [
          1776,
          400
        ],
        "continueOnFail": true
      }
    ],
    "connections": {
      "Class Ingest Webhook": {
        "main": [
          [
            {
              "node": "Extract Class Info",
              "type": "main",
              "index": 0
            },
            {
              "node": "Respond Accepted",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Extract Class Info": {
        "main": [
          [
            {
              "node": "AI Extract Notes",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "AI Extract Notes": {
        "main": [
          [
            {
              "node": "Prepare for RAG",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Prepare for RAG": {
        "main": [
          [
            {
              "node": "Chunk Text",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Chunk Text": {
        "main": [
          [
            {
              "node": "Get Embedding",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Get Embedding": {
        "main": [
          [
            {
              "node": "Prepare Qdrant Point",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Prepare Qdrant Point": {
        "main": [
          [
            {
              "node": "Upsert to Qdrant",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Upsert to Qdrant": {
        "main": [
          [
            {
              "node": "Format Gotify Message",
              "type": "main",
              "index": 0
            },
            {
              "node": "Prepare Notes Doc",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Format Gotify Message": {
        "main": [
          [
            {
              "node": "Notify via Gotify",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Prepare Notes Doc": {
        "main": [
          [
            {
              "node": "Save Notes to Paperless",
              "type": "main",
              "index": 0
            }
          ]
        ]
      }
    },
    "authors": "Wilfred Fizzlepoof",
    "name": null,
    "description": null,
    "autosaved": false,
    "workflowPublishHistory": [
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}