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PhotonVision/photon-core
Gold856 c2433e0332 Fix Jackson being unable to deserialize neural network config (#2232)
## Description

#2224 removed the custom deserializers for `Path`, but we still need one
to be able to deserialize the `Path` key in
`NeuralNetworkPropertyManager`. Additionally, Jackson seems to
auto-convert the `Path` key to a `String` using `toString` instead of
its own serializers, so a custom key serializer is also needed to
consistently use the same format for paths. This also removes unused
serde methods in `JacksonUtils` to minimize potential future churn, and
tacks an `@JsonIgnore` on `getModels` to prevent Jackson from
serializing a `ModelProperty` array into the database.

## Meta

Merge checklist:
- [x] Pull Request title is [short, imperative
summary](https://cbea.ms/git-commit/) of proposed changes
- [x] The description documents the _what_ and _why_
- [ ] If this PR changes behavior or adds a feature, user documentation
is updated
- [ ] If this PR touches photon-serde, all messages have been
regenerated and hashes have not changed unexpectedly
- [ ] If this PR touches configuration, this is backwards compatible
with settings back to v2025.3.2
- [ ] If this PR touches pipeline settings or anything related to data
exchange, the frontend typing is updated
- [x] If this PR addresses a bug, a regression test for it is added
2025-12-09 18:09:49 -05:00
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