Hi @surlysmiles
For me this reason is not good, if you run a truck company, it not make sense to always drive truck to unify your transport experience... maybe this example is not good but it's better to adapt the tools to the solution that you build. And it's also an anti-pattern something like this: Database-as-IPC - Wikipedia
You can check about the atom project that use electron and have a search system, maybe asking there can be more efficient. There's certainly some battery included that allow you to have a good search experience with adapted tool for electron.
If you really want to use elastic you can also check about some discussion on installing elastic on raspberry pie, it can help you for the configuration to make it run with limited memory (point 1).
Here:
Also need to think that elastic need time to start but maybe with few data it can be fast.
And maybe use the OSS version can be better as there's less battery included so it may use less resources (need to try).