PDF-вводы

{
  plugins: [
    {
      id: 'file-parser',
      pdf: {
        engine: 'cloudflare-ai', // or 'mistral-ocr' or 'native'
      },
    },
  ],
}

type FileAnnotation = {
  type: 'file';
  file: {
    hash: string;           // Unique hash identifying the parsed file
    name?: string;          // Original filename (optional)
    content: ContentPart[]; // Parsed content from the file
  };
};

type ContentPart =
  | { type: 'text'; text: string }
  | { type: 'image_url'; image_url: { url: string } };

{
  "id": "gen-1234567890",
  "provider": "DeepInfra",
  "model": "google/gemma-3-27b-it",
  "object": "chat.completion",
  "created": 1234567890,
  "choices": [
    {
      "message": {
        "role": "assistant",
        "content": "The document discusses...",
        "annotations": [
          {
            "type": "file",
            "file": {
              "hash": "abc123...",
              "name": "document.pdf",
              "content": [
                { "type": "text", "text": "Parsed text content..." },
                { "type": "image_url", "image_url": { "url": "data:image/png;base64,..." } }
              ]
            }
          }
        ]
      }
    }
  ],
  "usage": {
    "prompt_tokens": 1000,
    "completion_tokens": 100,
    "total_tokens": 1100
  }
}

{
  "error": {
    "code": 502,
    "message": "Provider returned an error",
    "metadata": {
      "file_annotations": [
        {
          "type": "file",
          "file": {
            "hash": "abc123...",
            "name": "document.pdf",
            "content": [
              { "type": "text", "text": "Parsed text content..." }
            ]
          }
        }
      ]
    }
  }
}

function isFileAnnotation(value: unknown): value is FileAnnotation {
  if (typeof value !== 'object' || value === null) return false;
  const candidate = value as { type?: unknown; file?: { hash?: unknown } };
  return (
    candidate.type === 'file' &&
    typeof candidate.file?.hash === 'string'
  );
}

function extractFileAnnotations(response: unknown): FileAnnotation[] {
  if (typeof response !== 'object' || response === null) return [];

  const root = response as {
    choices?: Array<{ message?: { annotations?: unknown[] } }>;
    error?: { metadata?: { file_annotations?: unknown[] } };
  };

  const fromMessage = root.choices?.[0]?.message?.annotations ?? [];
  const fromError = root.error?.metadata?.file_annotations ?? [];

  const seen = new Set<string>();
  const out: FileAnnotation[] = [];
  for (const a of [...fromMessage, ...fromError]) {
    if (isFileAnnotation(a) && !seen.has(a.file.hash)) {
      seen.add(a.file.hash);
      out.push(a);
    }
  }
  return out;
}