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Add image support in tool results across all providers

Browse source 
Tool results now use content blocks and can include both text and images.
All providers (Anthropic, Google, OpenAI Completions, OpenAI Responses)
correctly pass images from tool results to LLMs.

- Update ToolResultMessage type to use content blocks
- Add placeholder text for image-only tool results in Google/Anthropic
- OpenAI providers send tool result + follow-up user message with images
- Fix Anthropic JSON parsing for empty tool arguments
- Add comprehensive tests for image-only and text+image tool results
- Update README with tool result content blocks API
This commit is contained in:
Mario Zechner 2025-11-12 10:45:56 +01:00
parent 9dac37d836
commit 84dcab219b
37 changed files with 720 additions and 544 deletions
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38
packages/coding-agent/src/tui/tool-execution.ts
View file

@ -60,7 +60,10 @@ export class ToolExecutionComponent extends Container {
private contentText: Text;
private toolName: string;
private args: any;
private result?: { output: string; isError: boolean };
private result?: {
content: Array<{ type: string; text?: string; data?: string; mimeType?: string }>;
isError: boolean;
};
constructor(toolName: string, args: any) {
super();
@ -78,7 +81,10 @@ export class ToolExecutionComponent extends Container {
this.updateDisplay();
}
updateResult(result: { output: string; isError: boolean }): void {
updateResult(result: {
content: Array<{ type: string; text?: string; data?: string; mimeType?: string }>;
isError: boolean;
}): void {
this.result = result;
this.updateDisplay();
}
@ -94,6 +100,24 @@ export class ToolExecutionComponent extends Container {
this.contentText.setText(this.formatToolExecution());
}
private getTextOutput(): string {
if (!this.result) return "";
// Extract text from content blocks
const textBlocks = this.result.content?.filter((c: any) => c.type === "text") || [];
const imageBlocks = this.result.content?.filter((c: any) => c.type === "image") || [];
let output = textBlocks.map((c: any) => c.text).join("\n");
// Add indicator for images
if (imageBlocks.length > 0) {
const imageIndicators = imageBlocks.map((img: any) => `[Image: ${img.mimeType}]`).join("\n");
output = output ? `${output}\n${imageIndicators}` : imageIndicators;
}
return output;
}
private formatToolExecution(): string {
let text = "";
@ -104,7 +128,7 @@ export class ToolExecutionComponent extends Container {
if (this.result) {
// Show output without code fences - more minimal
const output = this.result.output.trim();
const output = this.getTextOutput().trim();
if (output) {
const lines = output.split("\n");
const maxLines = 5;
@ -122,7 +146,8 @@ export class ToolExecutionComponent extends Container {
text = chalk.bold("read") + " " + (path ? chalk.cyan(path) : chalk.dim("..."));
if (this.result) {
const lines = this.result.output.split("\n");
const output = this.getTextOutput();
const lines = output.split("\n");
const maxLines = 10;
const displayLines = lines.slice(0, maxLines);
const remaining = lines.length - maxLines;
@ -168,8 +193,9 @@ export class ToolExecutionComponent extends Container {
const content = JSON.stringify(this.args, null, 2);
text += "\n\n" + content;
if (this.result?.output) {
text += "\n" + this.result.output;
const output = this.getTextOutput();
if (output) {
text += "\n" + output;
}
}