More browser extension work. Old interface fully ported. Direct transport. Small UX fixes.

packages/browser-extension/src/tools/renderers/CalculateRenderer.ts

@@ -0,0 +1,49 @@
+import { html, type TemplateResult } from "@mariozechner/mini-lit";
+import type { ToolResultMessage } from "@mariozechner/pi-ai";
+import { i18n } from "../../utils/i18n.js";
+import type { ToolRenderer } from "../types.js";
+
+interface CalculateParams {
+	expression: string;
+}
+
+// Calculate tool has undefined details (only uses output)
+export class CalculateRenderer implements ToolRenderer<CalculateParams, undefined> {
+	renderParams(params: CalculateParams, isStreaming?: boolean): TemplateResult {
+		if (isStreaming && !params.expression) {
+			return html`<div class="text-sm text-muted-foreground">${i18n("Writing expression...")}</div>`;
+		}
+
+		return html`
+			<div class="text-sm text-muted-foreground">
+				<span>${i18n("Calculating")}</span>
+				<code class="mx-1 px-1.5 py-0.5 bg-muted rounded text-xs font-mono">${params.expression}</code>
+			</div>
+		`;
+	}
+
+	renderResult(_params: CalculateParams, result: ToolResultMessage<undefined>): TemplateResult {
+		// Parse the output to make it look nicer
+		const output = result.output || "";
+		const isError = result.isError === true;
+
+		if (isError) {
+			return html`<div class="text-sm text-destructive">${output}</div>`;
+		}
+
+		// Try to split on = to show expression and result separately
+		const parts = output.split(" = ");
+		if (parts.length === 2) {
+			return html`
+				<div class="text-sm font-mono">
+					<span class="text-muted-foreground">${parts[0]}</span>
+					<span class="text-muted-foreground mx-1">=</span>
+					<span class="text-foreground font-semibold">${parts[1]}</span>
+				</div>
+			`;
+		}
+
+		// Fallback to showing the whole output
+		return html`<div class="text-sm font-mono text-foreground">${output}</div>`;
+	}
+}