Note

Medium Risk
Extends the public C API with a new getArray entry that returns raw array buffer pointers and type tags, which is FFI- and memory-safety sensitive if callers misuse lifetimes or heterogeneous arrays.

Overview
Adds RedisJSON C API v7 support for retrieving an array’s underlying contiguous buffer plus its element type.

This introduces a shared JSONArrayType enum in json_path, extends the SelectValue trait with get_array/get_array_type, implements them for both serde_json::Value and ijson::IValue (including typed numeric array slices), and wires a new exported JSONAPI_getArray/getArray function through rejson_api.h (bumping RedisJSONAPI_LATEST_API_VER to 7). Unit tests were added to validate returned pointers, lengths, and type tags across heterogeneous and typed arrays.

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