chore: import upstream snapshot with attribution

rust/perspective-js/Cargo.toml

@@ -0,0 +1,110 @@
+#  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
+#  ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
+#  ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
+#  ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
+#  ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
+#  ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
+#  ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
+#  ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
+#  ┃ This file is part of the Perspective library, distributed under the terms ┃
+#  ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
+#  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
+
+[package]
+name = "perspective-js"
+version = "4.5.2"
+authors = ["Andrew Stein <steinlink@gmail.com>"]
+edition = "2024"
+description = "A data visualization and analytics component, especially well-suited for large and/or streaming datasets."
+repository = "https://github.com/perspective-dev/perspective"
+license = "Apache-2.0"
+homepage = "https://perspective-dev.github.io"
+keywords = ["experimental"]
+include = ["src/**/*", "Cargo.toml", "./package.json", "docs/**/*"]
+
+[package.metadata.docs.rs]
+rustc-args = ["--cfg", "web_sys_unstable_apis"]
+rustdoc-args = ["--html-in-header", "docs/index.html"]
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+path = "src/rust/lib.rs"
+
+[features]
+default = []
+
+# Shoould the WASM initialization methods be exported? This should _not_ be
+# enabled if you want to import `perspective-js` as a Rust dependency, in which
+# case you'll initialize the WebAssembly yourself.
+export-init = []
+
+# Should the code by built from the Perspective source tree, or the packaged
+# copy? This should only be enabled for development on the Perspective source
+# tree.
+external-cpp = [
+    "perspective-client/generate-proto",
+    "perspective-client/protobuf-src",
+]
+
+# Should `talc` be used as a global allocator? Allows enhanced runtime metrics
+# via `Client::system_info`. Mutually exclusive to `trace-allocator`
+talc-allocator = ["perspective-client/talc-allocator"]
+
+# Should global allocation be traced?  Allows enhanced runtime metrics via
+# `Client::system_info`. Mutually exclusive to `talc-allocator`, which does
+# not requires a `wasm_bindgen` call to get available heap size.
+trace-allocator = []
+
+[build-dependencies]
+serde_json = { version = "1.0.107", features = ["raw_value"] }
+anyhow = "1.0.66"
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.13"
+
+[dependencies]
+perspective-client = { version = "4.5.2", features = ["sendable"] }
+arrow-array = { version = "57.3.0", default-features = false }
+arrow-ipc = { version = "57.3.0", default-features = false }
+arrow-schema = { version = "57.3.0", default-features = false }
+bytes = "1.10.1"
+chrono = "0.4"
+derivative = "2.2.0"
+extend = "1.1.2"
+futures = "0.3.28"
+getrandom = { version = "0.2", features = ["js"] }
+indexmap = "2.12.1"
+js-sys = "0.3.85"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = { version = "1.0.107", features = ["raw_value"] }
+serde-wasm-bindgen = "0.6.0"
+thiserror = "2.0.17"
+tracing = { version = ">=0.1.36" }
+tracing-subscriber = "0.3.15"
+wasm-bindgen-derive = "0.3.0"
+wasm-bindgen-futures = "0.4.41"
+
+[dependencies.prost]
+version = "0.12.3"
+default-features = false
+features = ["prost-derive", "std"]
+
+[dependencies.ts-rs]
+version = "11.0.1"
+features = ["serde-json-impl", "no-serde-warnings", "import-esm"]
+
+[dependencies.wasm-bindgen]
+version = "=0.2.108"
+features = ["enable-interning"]
+
+[dependencies.web-sys]
+version = "0.3.85"
+features = [
+    "console",
+    "Document",
+    "HtmlElement",
+    "Navigator",
+    "Performance",
+    "PerformanceMark",
+    "Window",
+]