Can't combine `OR` and `AND` query

https://magnetar.cycraft.co/docs-main/read-data/#query

The following syntax is not working properly:
```ts
magnetar
.collection('pokedex')
.query({
or: [
{ and: [['type', '==', 'fire'], ['level', '>', 16]] },
{ and: [['type', '==', 'water'], ['level', '<', 16]] }
]
})
```

Start with the query syntax described in the linked read-data documentation and reproduce the TypeScript example using magnetar.collection('pokedex').query(). Trace how the nested or and and conditions are processed, then add coverage for both branches and confirm the combined query returns the expected fire and water records.

Written by the indexing model from the issue text.