feat: bump typescript (#14507)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Chores**
  * Upgraded TypeScript toolchain to v5.9.3 across packages and tooling.
* Removed legacy ts-node and migrated developer tooling to newer
runtimes (tsx/SWC) where applicable.
* **Documentation**
* Updated developer CLI docs and runtime behavior notes to reflect the
new loader/runtime for running TypeScript files; no changes to public
APIs or end-user behavior.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/electron/package.json

@@ -72,7 +72,7 @@
     "rxjs": "^7.8.2",
     "semver": "^7.7.3",
     "tree-kill": "^1.2.2",
-    "ts-node": "^10.9.2",
+    "typescript": "^5.9.3",
     "uuid": "^13.0.0",
     "vitest": "^3.2.4",
     "zod": "^3.25.76"
@@ -94,8 +94,5 @@
         ]
       }
     ]
-  },
-  "peerDependencies": {
-    "ts-node": "*"
   }
 }