fix(coding-agent): configure inline tool image width

closes #3508

packages/coding-agent/src/modes/interactive/components/tool-execution.ts

@@ -7,6 +7,7 @@ import { theme } from "../theme/theme.js";
 
 export interface ToolExecutionOptions {
 	showImages?: boolean;
+	imageWidthCells?: number;
 }
 
 export class ToolExecutionComponent extends Container {
@@ -23,6 +24,7 @@ export class ToolExecutionComponent extends Container {
 	private args: any;
 	private expanded = false;
 	private showImages: boolean;
+	private imageWidthCells: number;
 	private isPartial = true;
 	private toolDefinition?: ToolDefinition<any, any>;
 	private builtInToolDefinition?: ToolDefinition<any, any>;
@@ -54,6 +56,7 @@ export class ToolExecutionComponent extends Container {
 		this.toolDefinition = toolDefinition;
 		this.builtInToolDefinition = createAllToolDefinitions(cwd)[toolName as ToolName];
 		this.showImages = options.showImages ?? true;
+		this.imageWidthCells = options.imageWidthCells ?? 60;
 		this.ui = ui;
 		this.cwd = cwd;
 
@@ -205,6 +208,11 @@ export class ToolExecutionComponent extends Container {
 		this.updateDisplay();
 	}
 
+	setImageWidthCells(width: number): void {
+		this.imageWidthCells = Math.max(1, Math.floor(width));
+		this.updateDisplay();
+	}
+
 	override invalidate(): void {
 		super.invalidate();
 		this.updateDisplay();
@@ -312,7 +320,7 @@ export class ToolExecutionComponent extends Container {
 						imageData,
 						imageMimeType,
 						{ fallbackColor: (s: string) => theme.fg("toolOutput", s) },
-						{ maxWidthCells: 60 },
+						{ maxWidthCells: this.imageWidthCells },
 					);
 					this.imageComponents.push(imageComponent);
 					this.addChild(imageComponent);