feat: A new internal lookup (#4066)

* wip

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Refine new lookup a bunch, handle indexes

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Better logging

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Better logging

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* wip

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* add files I forgot

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* More

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fixup

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* I MADE AN ICE

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Start adding to add_fields

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Integrate with add_fields

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Add fixture tests

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Add a test

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Add serializing and deserializing

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* add some benches

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Finalize benches

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* fmt

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Handle rename

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fix lints

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Update RFC

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fix tests

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Add a bit more API

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Comments

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fixup

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* fmt

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* touchups

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Clean up some lints

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fmt

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fixups of clippy

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* fmt

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Lint fixups

Signed-off-by: Ana Hobden <operator@hoverbear.org>

* Fixup

Signed-off-by: Ana Hobden <operator@hoverbear.org>