Improve check error performance by off-loading to worker thread w/ incremental compilation (#575)

src/ipc/handlers/session_handlers.ts

@@ -1,4 +1,6 @@
 import { ipcMain, session } from "electron";
+import fs from "node:fs/promises";
+import { getTypeScriptCachePath } from "@/paths/paths";
 
 export const registerSessionHandlers = () => {
   ipcMain.handle("clear-session-data", async (_event) => {
@@ -8,5 +10,12 @@ export const registerSessionHandlers = () => {
       storages: ["cookies", "localstorage"],
     });
     console.info(`[IPC] All session data cleared for default session`);
+
+    // Clear custom cache data (like tsbuildinfo)
+    try {
+      await fs.rm(getTypeScriptCachePath(), { recursive: true, force: true });
+    } catch {
+      // Directory might not exist
+    }
   });
 };