diff --git a/.github/workflows/playground.yml b/.github/workflows/playground.yml
index b13631feeb..ce81eb7a23 100644
--- a/.github/workflows/playground.yml
+++ b/.github/workflows/playground.yml
@@ -1,7 +1,7 @@
 name: Build playground
 on:
   push:
-    branches: [main]
+    branches: [main, test]
   pull_request:
   merge_group:
 
diff --git a/playground/.gitignore b/playground/.gitignore
index 06af0ad93f..79f14c47fc 100644
--- a/playground/.gitignore
+++ b/playground/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
+src/bindings.rs
 component-built/
 dist/
diff --git a/playground/component/src/bindings.rs b/playground/component/src/bindings.rs
deleted file mode 100644
index 30fe002dc6..0000000000
--- a/playground/component/src/bindings.rs
+++ /dev/null
@@ -1,306 +0,0 @@
-// Generated by `wit-bindgen` 0.25.0. DO NOT EDIT!
-// Options used:
-#[derive(Clone)]
-pub enum PrintPart {
-    Str(_rt::String),
-    Name,
-    Literal,
-    Keyword,
-    Type,
-    Comment,
-    Reset,
-}
-impl ::core::fmt::Debug for PrintPart {
-    fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result {
-        match self {
-            PrintPart::Str(e) => f.debug_tuple("PrintPart::Str").field(e).finish(),
-            PrintPart::Name => f.debug_tuple("PrintPart::Name").finish(),
-            PrintPart::Literal => f.debug_tuple("PrintPart::Literal").finish(),
-            PrintPart::Keyword => f.debug_tuple("PrintPart::Keyword").finish(),
-            PrintPart::Type => f.debug_tuple("PrintPart::Type").finish(),
-            PrintPart::Comment => f.debug_tuple("PrintPart::Comment").finish(),
-            PrintPart::Reset => f.debug_tuple("PrintPart::Reset").finish(),
-        }
-    }
-}
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub unsafe fn _export_parse_cabi<T: Guest>(arg0: *mut u8, arg1: usize) -> *mut u8 {
-    #[cfg(target_arch = "wasm32")]
-    _rt::run_ctors_once();
-    let len0 = arg1;
-    let bytes0 = _rt::Vec::from_raw_parts(arg0.cast(), len0, len0);
-    let result1 = T::parse(_rt::string_lift(bytes0));
-    let ptr2 = _RET_AREA.0.as_mut_ptr().cast::<u8>();
-    match result1 {
-        Ok(e) => {
-            *ptr2.add(0).cast::<u8>() = (0i32) as u8;
-            let vec3 = (e).into_boxed_slice();
-            let ptr3 = vec3.as_ptr().cast::<u8>();
-            let len3 = vec3.len();
-            ::core::mem::forget(vec3);
-            *ptr2.add(8).cast::<usize>() = len3;
-            *ptr2.add(4).cast::<*mut u8>() = ptr3.cast_mut();
-        }
-        Err(e) => {
-            *ptr2.add(0).cast::<u8>() = (1i32) as u8;
-            let vec4 = (e.into_bytes()).into_boxed_slice();
-            let ptr4 = vec4.as_ptr().cast::<u8>();
-            let len4 = vec4.len();
-            ::core::mem::forget(vec4);
-            *ptr2.add(8).cast::<usize>() = len4;
-            *ptr2.add(4).cast::<*mut u8>() = ptr4.cast_mut();
-        }
-    };
-    ptr2
-}
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub unsafe fn __post_return_parse<T: Guest>(arg0: *mut u8) {
-    let l0 = i32::from(*arg0.add(0).cast::<u8>());
-    match l0 {
-        0 => {
-            let l1 = *arg0.add(4).cast::<*mut u8>();
-            let l2 = *arg0.add(8).cast::<usize>();
-            let base3 = l1;
-            let len3 = l2;
-            _rt::cabi_dealloc(base3, len3 * 1, 1);
-        }
-        _ => {
-            let l4 = *arg0.add(4).cast::<*mut u8>();
-            let l5 = *arg0.add(8).cast::<usize>();
-            _rt::cabi_dealloc(l4, l5, 1);
-        }
-    }
-}
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub unsafe fn _export_print_cabi<T: Guest>(arg0: *mut u8, arg1: usize, arg2: i32) -> *mut u8 {
-    #[cfg(target_arch = "wasm32")]
-    _rt::run_ctors_once();
-    let len0 = arg1;
-    let result1 = T::print(
-        _rt::Vec::from_raw_parts(arg0.cast(), len0, len0),
-        _rt::bool_lift(arg2 as u8),
-    );
-    let ptr2 = _RET_AREA.0.as_mut_ptr().cast::<u8>();
-    match result1 {
-        Ok(e) => {
-            *ptr2.add(0).cast::<u8>() = (0i32) as u8;
-            let vec4 = e;
-            let len4 = vec4.len();
-            let layout4 = _rt::alloc::Layout::from_size_align_unchecked(vec4.len() * 12, 4);
-            let result4 = if layout4.size() != 0 {
-                let ptr = _rt::alloc::alloc(layout4).cast::<u8>();
-                if ptr.is_null() {
-                    _rt::alloc::handle_alloc_error(layout4);
-                }
-                ptr
-            } else {
-                {
-                    ::core::ptr::null_mut()
-                }
-            };
-            for (i, e) in vec4.into_iter().enumerate() {
-                let base = result4.add(i * 12);
-                {
-                    match e {
-                        PrintPart::Str(e) => {
-                            *base.add(0).cast::<u8>() = (0i32) as u8;
-                            let vec3 = (e.into_bytes()).into_boxed_slice();
-                            let ptr3 = vec3.as_ptr().cast::<u8>();
-                            let len3 = vec3.len();
-                            ::core::mem::forget(vec3);
-                            *base.add(8).cast::<usize>() = len3;
-                            *base.add(4).cast::<*mut u8>() = ptr3.cast_mut();
-                        }
-                        PrintPart::Name => {
-                            *base.add(0).cast::<u8>() = (1i32) as u8;
-                        }
-                        PrintPart::Literal => {
-                            *base.add(0).cast::<u8>() = (2i32) as u8;
-                        }
-                        PrintPart::Keyword => {
-                            *base.add(0).cast::<u8>() = (3i32) as u8;
-                        }
-                        PrintPart::Type => {
-                            *base.add(0).cast::<u8>() = (4i32) as u8;
-                        }
-                        PrintPart::Comment => {
-                            *base.add(0).cast::<u8>() = (5i32) as u8;
-                        }
-                        PrintPart::Reset => {
-                            *base.add(0).cast::<u8>() = (6i32) as u8;
-                        }
-                    }
-                }
-            }
-            *ptr2.add(8).cast::<usize>() = len4;
-            *ptr2.add(4).cast::<*mut u8>() = result4;
-        }
-        Err(e) => {
-            *ptr2.add(0).cast::<u8>() = (1i32) as u8;
-            let vec5 = (e.into_bytes()).into_boxed_slice();
-            let ptr5 = vec5.as_ptr().cast::<u8>();
-            let len5 = vec5.len();
-            ::core::mem::forget(vec5);
-            *ptr2.add(8).cast::<usize>() = len5;
-            *ptr2.add(4).cast::<*mut u8>() = ptr5.cast_mut();
-        }
-    };
-    ptr2
-}
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub unsafe fn __post_return_print<T: Guest>(arg0: *mut u8) {
-    let l0 = i32::from(*arg0.add(0).cast::<u8>());
-    match l0 {
-        0 => {
-            let l4 = *arg0.add(4).cast::<*mut u8>();
-            let l5 = *arg0.add(8).cast::<usize>();
-            let base6 = l4;
-            let len6 = l5;
-            for i in 0..len6 {
-                let base = base6.add(i * 12);
-                {
-                    let l1 = i32::from(*base.add(0).cast::<u8>());
-                    match l1 {
-                        0 => {
-                            let l2 = *base.add(4).cast::<*mut u8>();
-                            let l3 = *base.add(8).cast::<usize>();
-                            _rt::cabi_dealloc(l2, l3, 1);
-                        }
-                        1 => (),
-                        2 => (),
-                        3 => (),
-                        4 => (),
-                        5 => (),
-                        _ => (),
-                    }
-                }
-            }
-            _rt::cabi_dealloc(base6, len6 * 12, 4);
-        }
-        _ => {
-            let l7 = *arg0.add(4).cast::<*mut u8>();
-            let l8 = *arg0.add(8).cast::<usize>();
-            _rt::cabi_dealloc(l7, l8, 1);
-        }
-    }
-}
-pub trait Guest {
-    fn parse(contents: _rt::String) -> Result<_rt::Vec<u8>, _rt::String>;
-    fn print(contents: _rt::Vec<u8>, skeleton: bool) -> Result<_rt::Vec<PrintPart>, _rt::String>;
-}
-#[doc(hidden)]
-
-macro_rules! __export_world_wasm_tools_cabi{
-  ($ty:ident with_types_in $($path_to_types:tt)*) => (const _: () = {
-
-    #[export_name = "parse"]
-    unsafe extern "C" fn export_parse(arg0: *mut u8,arg1: usize,) -> *mut u8 {
-      $($path_to_types)*::_export_parse_cabi::<$ty>(arg0, arg1)
-    }
-    #[export_name = "cabi_post_parse"]
-    unsafe extern "C" fn _post_return_parse(arg0: *mut u8,) {
-      $($path_to_types)*::__post_return_parse::<$ty>(arg0)
-    }
-    #[export_name = "print"]
-    unsafe extern "C" fn export_print(arg0: *mut u8,arg1: usize,arg2: i32,) -> *mut u8 {
-      $($path_to_types)*::_export_print_cabi::<$ty>(arg0, arg1, arg2)
-    }
-    #[export_name = "cabi_post_print"]
-    unsafe extern "C" fn _post_return_print(arg0: *mut u8,) {
-      $($path_to_types)*::__post_return_print::<$ty>(arg0)
-    }
-  };);
-}
-#[doc(hidden)]
-pub(crate) use __export_world_wasm_tools_cabi;
-#[repr(align(4))]
-struct _RetArea([::core::mem::MaybeUninit<u8>; 12]);
-static mut _RET_AREA: _RetArea = _RetArea([::core::mem::MaybeUninit::uninit(); 12]);
-mod _rt {
-    pub use alloc_crate::string::String;
-
-    #[cfg(target_arch = "wasm32")]
-    pub fn run_ctors_once() {
-        wit_bindgen_rt::run_ctors_once();
-    }
-    pub use alloc_crate::vec::Vec;
-    pub unsafe fn string_lift(bytes: Vec<u8>) -> String {
-        if cfg!(debug_assertions) {
-            String::from_utf8(bytes).unwrap()
-        } else {
-            String::from_utf8_unchecked(bytes)
-        }
-    }
-    pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) {
-        if size == 0 {
-            return;
-        }
-        let layout = alloc::Layout::from_size_align_unchecked(size, align);
-        alloc::dealloc(ptr as *mut u8, layout);
-    }
-    pub unsafe fn bool_lift(val: u8) -> bool {
-        if cfg!(debug_assertions) {
-            match val {
-                0 => false,
-                1 => true,
-                _ => panic!("invalid bool discriminant"),
-            }
-        } else {
-            val != 0
-        }
-    }
-    pub use alloc_crate::alloc;
-    extern crate alloc as alloc_crate;
-}
-
-/// Generates `#[no_mangle]` functions to export the specified type as the
-/// root implementation of all generated traits.
-///
-/// For more information see the documentation of `wit_bindgen::generate!`.
-///
-/// ```rust
-/// # macro_rules! export{ ($($t:tt)*) => (); }
-/// # trait Guest {}
-/// struct MyType;
-///
-/// impl Guest for MyType {
-///     // ...
-/// }
-///
-/// export!(MyType);
-/// ```
-#[allow(unused_macros)]
-#[doc(hidden)]
-
-macro_rules! __export_wasm_tools_impl {
-  ($ty:ident) => (self::export!($ty with_types_in self););
-  ($ty:ident with_types_in $($path_to_types_root:tt)*) => (
-  $($path_to_types_root)*::__export_world_wasm_tools_cabi!($ty with_types_in $($path_to_types_root)*);
-  )
-}
-#[doc(inline)]
-pub(crate) use __export_wasm_tools_impl as export;
-
-#[cfg(target_arch = "wasm32")]
-#[link_section = "component-type:wit-bindgen:0.25.0:wasm-tools:encoded world"]
-#[doc(hidden)]
-pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 326] = *b"\
-\0asm\x0d\0\x01\0\0\x19\x16wit-component-encoding\x04\0\x07\xc5\x01\x01A\x02\x01\
-A\x0a\x01q\x07\x03str\x01s\0\x04name\0\0\x07literal\0\0\x07keyword\0\0\x04type\0\
-\0\x07comment\0\0\x05reset\0\0\x03\0\x0aprint-part\x03\0\0\x01p}\x01j\x01\x02\x01\
-s\x01@\x01\x08contentss\0\x03\x04\0\x05parse\x01\x04\x01p\x01\x01j\x01\x05\x01s\x01\
-@\x02\x08contents\x02\x08skeleton\x7f\0\x06\x04\0\x05print\x01\x07\x04\x01\x1eco\
-mponent:component/wasm-tools\x04\0\x0b\x10\x01\0\x0awasm-tools\x03\0\0\0G\x09pro\
-ducers\x01\x0cprocessed-by\x02\x0dwit-component\x070.208.1\x10wit-bindgen-rust\x06\
-0.25.0";
-
-#[inline(never)]
-#[doc(hidden)]
-#[cfg(target_arch = "wasm32")]
-pub fn __link_custom_section_describing_imports() {
-    wit_bindgen_rt::maybe_link_cabi_realloc();
-}