Released: Feb 12, 2026

2026.2.4 での更新項目

機能

• Introduced the PdfSplitter class for physically splitting PDF documents by page ranges.
  • Supports extracting pages from Attachment instances or file paths.
  • Provides ExtractPages methods for single output and Split/SplitToFiles methods for multi-output splitting.
  • Integrates with DocumentSplittingResult to extract AI-detected segments into separate PDF files.
• Introduced the DocumentSplitting class for detecting logical document boundaries within multi-page files.
• Introduced the DocumentSplittingResult class.
• Introduced the DocumentSegment class.
• Introduced the PdfMerger class for merging multiple PDF documents into one.
  • Supports merging from Attachment instances or file paths.
  • Provides Merge methods for in-memory output and MergeToFile/MergeFiles methods for file output.
• Added DatabaseTool to built-in tools for SQLite database operations.
  • Query, execute SQL, list tables, describe schemas, import/export CSV and JSON, vacuum, and backup.
  • Read-only by default with configurable write and DDL permissions, path restrictions, and blocked SQL keywords.
• Added SpreadsheetTool to built-in tools for Excel (.xlsx) file operations.
  • Read ranges, write cells with values or formulas, list sheets, create workbooks, and convert to/from CSV and JSON.
  • Read-only by default with configurable write permissions and path restrictions.
• Added RssFeedTool to built-in tools for RSS and Atom feed operations.
  • Fetch, parse raw XML, and search feed entries by keyword or date with support for RSS 2.0, Atom, and RSS 1.0 (RDF).
• Added ClipboardTool to built-in tools for system clipboard access.
  • Cross-platform read/write of clipboard text using native commands (PowerShell, pbcopy/pbpaste, xclip).
• Added FtpTool to built-in tools for FTP file transfer operations.
  • List, upload, download, delete, rename, mkdir/rmdir on FTP servers with passive mode and explicit FTPS support.
• Extended the PdfToImage class to support JPEG output.
  • Added JPEG rendering with configurable quality alongside existing PNG and BMP support.
  • RenderToFiles now accepts "jpg" as a format option.
• Introduced the ImageToPdf class for converting images into PDF documents.
  • Combines one or more JPEG, PNG, or BMP images into a single PDF.
  • Each image occupies a full page sized to match image dimensions.
  • Supports file path and Attachment inputs.
• Introduced the PdfUnlocker class for removing password protection from PDFs.
  • Opens a password-protected PDF with the known password and saves an unprotected copy.
  • Supports file path and Attachment inputs with file or in-memory output.
• Added SaveAsJpeg method to ImageBuffer.
  • Native JPEG encoder using libjpeg with configurable quality (0 to 100).
  • Supports RGB24, RGBA32 (alpha stripped), and GRAY8 pixel formats.
• Added Document category to built-in tools with 11 document processing tools.
  • PdfSplitTool: Extract pages, split PDFs by ranges, and query page count.
  • PdfInfoTool: Retrieve page count, dimensions, metadata, and text content from PDFs.
  • PdfToImageTool: Render PDF pages as JPEG, PNG, or BMP images with configurable zoom and quality.
  • PdfMergeTool: Merge multiple PDF files into a single output file.
  • ImageToPdfTool: Convert one or more JPEG, PNG, or BMP images into a single PDF document.
  • PdfUnlockTool: Remove password protection from a PDF using the known password.
  • ImageDeskewTool: Detect and correct skew in scanned documents.
  • ImageCropTool: Auto-crop uniform borders from scanned documents and images.
  • ImageResizeTool: Resize images with exact dimensions or aspect-ratio-preserving box fit, convert pixel formats.
  • DocumentTextTool: Extract text from PDF, DOCX, XLSX, PPTX, and HTML files.
  • OcrTool: Extract text from images using Tesseract OCR with support for 34 languages.
• Improved SupervisorOrchestrator to use a single-pass execution model.
  • Replaced the multi-step loop with a single ExecuteAgentAsync call, since AgentExecutor handles multi-turn tool calling internally.
  • Eliminated redundant supervisor iterations that could confuse the model.
• Improved DelegateTool to return plain text on successful delegation.
  • Worker responses are now returned as plain text instead of a JSON wrapper, allowing the supervisor to relay them verbatim without summarizing.
• Added real-time streaming of worker agent output during supervisor delegation.
  • Added AfterTextCompletion event to DelegateTool for streaming worker tokens in real time.
  • SupervisorOrchestrator now wires up BeforeDelegation, AfterDelegation, and AfterTextCompletion events to emit AgentStarted, Content, and AgentCompleted stream tokens for worker agents.
  • Users see live worker output instead of a frozen screen during delegation.
• Improved SupervisorOrchestrator.DefaultSupervisorPrompt to instruct the supervisor to relay single-worker responses verbatim.