Function callInner

src/tools/FileReadTool/FileReadTool.ts:804–1086

* Inner implementation of call, separated to allow ENOENT handling in the outer call.

(
  file_path: string,
  fullFilePath: string,
  resolvedFilePath: string,
  ext: string,
  offset: number,
  limit: number | undefined,
  pages: string | undefined,
  maxSizeBytes: number,
  maxTokens: number,
  readFileState: ToolUseContext['readFileState'],
  context: ToolUseContext,
  messageId: string | undefined,
)

 * Inner implementation of call, separated to allow ENOENT handling in the outer call.
 */
async function callInner(
  file_path: string,
  fullFilePath: string,
  resolvedFilePath: string,
  ext: string,
  offset: number,
  limit: number | undefined,
  pages: string | undefined,
  maxSizeBytes: number,
  maxTokens: number,
  readFileState: ToolUseContext['readFileState'],
  context: ToolUseContext,
  messageId: string | undefined,
): Promise<{
  data: Output
  newMessages?: ReturnType<typeof createUserMessage>[]
}> {
  // --- Notebook ---
  if (ext === 'ipynb') {
    const cells = await readNotebook(resolvedFilePath)
    const cellsJson = jsonStringify(cells)

    const cellsJsonBytes = Buffer.byteLength(cellsJson)
    if (cellsJsonBytes > maxSizeBytes) {
      throw new Error(
        `Notebook content (${formatFileSize(cellsJsonBytes)}) exceeds maximum allowed size (${formatFileSize(maxSizeBytes)}). ` +
          `Use ${BASH_TOOL_NAME} with jq to read specific portions:\n` +
          `  cat "${file_path}" | jq '.cells[:20]' # First 20 cells\n` +
          `  cat "${file_path}" | jq '.cells[100:120]' # Cells 100-120\n` +
          `  cat "${file_path}" | jq '.cells | length' # Count total cells\n` +
          `  cat "${file_path}" | jq '.cells[] | select(.cell_type=="code") | .source' # All code sources`,
      )
    }

    await validateContentTokens(cellsJson, ext, maxTokens)

    // Get mtime via async stat (single call, no prior existence check)
    const stats = await getFsImplementation().stat(resolvedFilePath)
    readFileState.set(fullFilePath, {
      content: cellsJson,
      timestamp: Math.floor(stats.mtimeMs),
      offset,
      limit,
    })
    context.nestedMemoryAttachmentTriggers?.add(fullFilePath)

    const data = {
      type: 'notebook' as const,
      file: { filePath: file_path, cells },
    }

    logFileOperation({
      operation: 'read',
      tool: 'FileReadTool',
      filePath: fullFilePath,
      content: cellsJson,
    })