Refactor the TypeScript data flow for full type safety and auto-generation of Rust types (#3865)

* Migrate Specta to Tsify to auto-generate messages.ts, working except colors and widgets

* Adopt the generated FillColor/Color/GradientStops

* Fix widget typing

* Separate WidgetGroup enum variants into wrapper structs

* Small rename

* Simplify widgets further

* Clean up message type references

* Switch type imports to the auto-generated file

* Remove lowercase serde rename

* Fix FillChoice deserialization

* Fix small regression from #3837

* Improve type safety

* Make WidgetSpan type-safe

* More cleanup and type safety

* More type safety

* More type safety

* Get the rest to type-check without errors; improve widget builder macro to have optional icons; improve Svelte 5 configs

* Cargo fmt

* Fix imports

* Update outdated readme info

* Fix lint command rename references

* Fix typos

* One more typos fix

* Remove unnecessary dep: prefix from the edited Cargo.toml files

* Remove excess parts from Cargo.toml

* Fix compiling on desktop

* Revert "Remove excess parts from Cargo.toml"

This reverts commit 6b711117b3a5d5d8a3ee20f36a43bc74930b7c82.

* Update dev docs with simpler, more accurate instructions

node-graph/graph-craft/Cargo.toml

@@ -11,6 +11,13 @@ dealloc_nodes = ["core-types/dealloc_nodes"]
 wgpu = ["wgpu-executor"]
 tokio = ["dep:tokio"]
 loading = ["serde_json"]
+wasm = [
+	"core-types/wasm",
+	"graphic-types/wasm",
+	"text-nodes/wasm",
+	"tsify",
+	"wasm-bindgen",
+]
 
 [dependencies]
 # Local dependencies
@@ -29,7 +36,6 @@ text-nodes = { workspace = true }
 # Workspace dependencies
 log = { workspace = true }
 glam = { workspace = true }
-specta = { workspace = true }
 rustc-hash = { workspace = true }
 url = { workspace = true }
 reqwest = { workspace = true }
@@ -39,6 +45,8 @@ serde = { workspace = true }
 wgpu-executor = { workspace = true, optional = true }
 tokio = { workspace = true, optional = true }
 serde_json = { workspace = true, optional = true }
+tsify = { workspace = true, optional = true }
+wasm-bindgen = { workspace = true, optional = true }
 
 # Workspace dependencies
 [target.'cfg(target_family = "wasm")'.dependencies]