fix(deps): pin matching React and React DOM versions

Prevent runtime version-mismatch crashes by locking react and react-dom to the exact same 19.2.5 release.

Made-with: Cursor

Author: beautyfree

bun.lock

@@ -43,8 +43,8 @@
     "i18next": "^25.8.19",
     "lucide-react": "^0.577.0",
     "posthog-js": "^1.370.0",
-    "react": "^19.1.0",
-    "react-dom": "^19.1.0",
+    "react": "19.2.5",
+    "react-dom": "19.2.5",
     "react-i18next": "^16.5.8",
     "react-markdown": "^10.1.0",
     "react-router-dom": "^7.13.1",