feat(coding-agent): add blockImages setting to prevent image uploads

packages/coding-agent/src/cli/file-processor.ts

@@ -18,6 +18,8 @@ export interface ProcessedFiles {
 export interface ProcessFileOptions {
 	/** Whether to auto-resize images to 2000x2000 max. Default: true */
 	autoResizeImages?: boolean;
+	/** When true, skip image files with warning. Default: false */
+	blockImages?: boolean;
 }
 
 /** Process @file arguments into text content and image attachments */
@@ -48,6 +50,11 @@ export async function processFileArguments(fileArgs: string[], options?: Process
 		const mimeType = await detectSupportedImageMimeTypeFromFile(absolutePath);
 
 		if (mimeType) {
+			// Check if images are blocked
+			if (options?.blockImages) {
+				console.warn(chalk.yellow(`[blockImages] Skipping image file: ${absolutePath}`));
+				continue;
+			}
 			// Handle image file
 			const content = await readFile(absolutePath);
 			const base64Content = content.toString("base64");