pass chat history to webview using webviewAPI, not old postMessage protocol #5741
+205
−147
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Previously, chat history was synced to the webview using the old postMessage protocol. Now, the ChatHistoryManager exposes an observable and that is read directly (using the standard webviewAPI) by the webview. This is a code refactor with no user-facing behavior change.
Test plan
In Cody Web and in VS Code, try downloading chat history. Ensure the JSON file is downloaded and is a JSON array of chat history.