feat: update Copilot version and API version in api-config; adjust fallback VSCode version

Author: caozhiyuan

src/lib/api-config.ts

@@ -7,11 +7,11 @@ export const standardHeaders = () => ({
   accept: "application/json",
 })
 
-const COPILOT_VERSION = "0.26.7"
+const COPILOT_VERSION = "0.33.5"
 const EDITOR_PLUGIN_VERSION = `copilot-chat/${COPILOT_VERSION}`
 const USER_AGENT = `GitHubCopilotChat/${COPILOT_VERSION}`
 
-const API_VERSION = "2025-04-01"
+const API_VERSION = "2025-10-01"
 
 export const copilotBaseUrl = (state: State) =>
   state.accountType === "individual" ?

src/services/get-vscode-version.ts

@@ -1,4 +1,4 @@
-const FALLBACK = "1.104.3"
+const FALLBACK = "1.106.3"
 
 export async function getVSCodeVersion() {
   const controller = new AbortController()