fix(coding-agent): preserve extension timing measurements

packages/coding-agent/src/core/extensions/loader.ts

@@ -28,6 +28,7 @@ import { createEventBus, type EventBus } from "../event-bus.ts";
 import type { ExecOptions } from "../exec.ts";
 import { execCommand } from "../exec.ts";
 import { createSyntheticSourceInfo } from "../source-info.ts";
+import { time } from "../timings.ts";
 import type {
 	Extension,
 	ExtensionAPI,
@@ -431,6 +432,7 @@ async function loadExtension(
 
 	try {
 		const factory = await loadExtensionModule(resolvedPath, cacheToken);
+		time(`${extensionPath} module import`, "extensions");
 		if (!factory) {
 			return { extension: null, error: `Extension does not export a valid factory function: ${extensionPath}` };
 		}
@@ -438,6 +440,7 @@ async function loadExtension(
 		const extension = createExtension(extensionPath, resolvedPath);
 		const api = createExtensionAPI(extension, runtime, cwd, eventBus);
 		await factory(api);
+		time(`${extensionPath} factory`, "extensions");
 
 		return { extension, error: null };
 	} catch (err) {
@@ -460,6 +463,7 @@ export async function loadExtensionFromFactory(
 	const resolvedCwd = resolvePath(cwd);
 	const api = createExtensionAPI(extension, runtime, resolvedCwd, eventBus);
 	await factory(api);
+	time(`${extensionPath} factory`, "extensions");
 	return extension;
 }