[Freestyler] Create History from run yields

We want to update the way we handle history so we can restore it from storage eventually.
For this we store the whole run with every detail, that way we can rebuild both the UI and the AIDA history from a single point.

go/chrome-devtools:ai-history

Bug: 369303513
Change-Id: Ic97e3222d4f7827b900d904e73d607e72391265d
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/5954344
Commit-Queue: Nikolay Vitkov <[email protected]>
Reviewed-by: Alex Rudenko <[email protected]>

Author: Lightning00Blade

front_end/panels/freestyler/AiAgent.test.ts

@@ -2,18 +2,23 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import * as Host from '../../core/host/host.js';
+import type * as Host from '../../core/host/host.js';
 import {
   describeWithEnvironment,
 } from '../../testing/EnvironmentHelpers.js';
 
 import * as Freestyler from './freestyler.js';
 
-const {AiAgent} = Freestyler;
+const {AiAgent, ResponseType} = Freestyler;
 
 class AiAgentMock extends AiAgent<unknown> {
   override preamble = 'preamble';
 
+  // eslint-disable-next-line require-yield
+  override async * handleContextDetails(): AsyncGenerator<Freestyler.ContextResponse, void, void> {
+    return;
+  }
+
   clientFeature: Host.AidaClient.ClientFeature = 0;
   userTier: undefined;
 
@@ -122,15 +127,17 @@ describeWithEnvironment('AiAgent', () => {
       const agent = new AiAgentMock({
         aidaClient: {} as Host.AidaClient.AidaClient,
       });
-      agent.chatHistoryForTesting = new Map([[
-        0,
+      agent.chatNewHistoryForTesting = new Map([
         [
-          {
-            text: 'test',
-            entity: Host.AidaClient.Entity.USER,
-          },
+          0,
+          [
+            {
+              type: ResponseType.QUERYING,
+              query: 'test',
+            },
+          ],
         ],
-      ]]);
+      ]);
 
       const request = agent.buildRequest({
         input: 'test input',