* drop some code
* Drop JsonPathString
* Fix test_remove_key
Drop failing tests:
- Deleting array indices is not idempotent, so we don't support it.
- Empty JSONPath is not supported.
* Make json_path::path() non-generic
* Remove references to JsonPathV2
* Drop JsonPathInterface
* Move json_path::v2 code into json_path
* Drop validate_not_empty
* Drop JsonPath::head() as being unused
* Replace path() with JsonPath::new()
* Restore comments
* Move tests to json_path
* Use json() consistently in tests
* Replace many into calls with Into trait
---------
Co-authored-by: timvisee <tim@visee.me>
* Move build_index out of VectorIndex
* Build index in HNSWIndex::open()
* Introduce HnswIndexOpenArgs
* Proper deletion
* Improve tests
* HNSW::open(): add warn, comment and assert
* Revert to making up the config if it does not exist
* minor conversion improvement
* use NamedVectors in update_vectors
* remove merge from VectorStruct
* rename Multi -> Named in vector struct
* add multi-dense vectors option into VectorStruct
* generate openapi
* rename VectorStruct -> VectorStructInternal
* add conversion for anonymous multivec in grpc
* renames for BatchVectorStruct
* implement multi-dense for batch
* allow multi-dense in batch upserts
* test and fixes
