Function validateImageForProcessing

src/core/tools/helpers/imageHelpers.ts:96–145

(
	fullPath: string,
	supportsImages: boolean,
	maxImageFileSize: number,
	maxTotalImageSize: number,
	currentTotalMemoryUsed: number,
)

 * Validates if an image can be processed based on size limits and model support
 */
export async function validateImageForProcessing(
	fullPath: string,
	supportsImages: boolean,
	maxImageFileSize: number,
	maxTotalImageSize: number,
	currentTotalMemoryUsed: number,
): Promise<ImageValidationResult> {
	// Check if model supports images
	if (!supportsImages) {
		return {
			isValid: false,
			reason: "unsupported_model",
			notice: "Image file detected but current model does not support images. Skipping image processing.",
		}
	}

	const imageStats = await fs.stat(fullPath)
	const imageSizeInMB = imageStats.size / (1024 * 1024)

	// Check individual file size limit
	if (imageStats.size > maxImageFileSize * 1024 * 1024) {
		const imageSizeFormatted = prettyBytes(imageStats.size)
		return {
			isValid: false,
			reason: "size_limit",
			notice: t("tools:readFile.imageTooLarge", {
				size: imageSizeFormatted,
				max: maxImageFileSize,
			}),
			sizeInMB: imageSizeInMB,
		}
	}

	// Check total memory limit
	if (currentTotalMemoryUsed + imageSizeInMB > maxTotalImageSize) {
		const currentMemoryFormatted = prettyBytes(currentTotalMemoryUsed * 1024 * 1024)
		const fileMemoryFormatted = prettyBytes(imageStats.size)
		return {
			isValid: false,
			reason: "memory_limit",
			notice: `Image skipped to avoid size limit (${maxTotalImageSize}MB). Current: ${currentMemoryFormatted} + this file: ${fileMemoryFormatted}. Try fewer or smaller images.`,
			sizeInMB: imageSizeInMB,
		}
	}

	return {
		isValid: true,
		sizeInMB: imageSizeInMB,
	}
}

/**
 * Processes an image file and returns the result