first pass of merging in warp (doesn't build)

crates/warp_assets/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "warp_assets"
+version = "0.0.0"
+edition = "2024"
+authors.workspace = true
+license.workspace = true
+publish.workspace = true
+
+[features]
+standalone = []
+
+[dependencies]
+anyhow.workspace = true
+rust-embed.workspace = true
+warpui_core.workspace = true
+
+[target.'cfg(target_family = "wasm")'.dependencies]
+# Make sure we embed the data into the wasm binary even when running in debug
+# mode, as it cannot be read directly from the filesystem.
+rust-embed = { workspace = true, features = ["debug-embed"] }

crates/warp_assets/src/lib.rs

@@ -0,0 +1,26 @@
+use std::borrow::Cow;
+
+use anyhow::{Result, anyhow};
+use rust_embed::RustEmbed;
+use warpui_core::AssetProvider;
+
+#[derive(Clone, Copy, RustEmbed)]
+#[folder = "../../app/assets"]
+#[include = "bundled/**"] // Should be kept in sync with BUNDLED_ASSETS_DIR.
+#[include = "async/**"] // Should be kept in sync with ASYNC_ASSETS_DIR.
+#[cfg_attr(target_family = "wasm", exclude = "async/**")]
+// Excludes take precedence.
+// Standalone CLI builds (the `oz` tarball) are headless and never render the
+// onboarding/theme imagery in `async/`, so we exclude those bytes from the
+// embedded asset set to keep the CLI binary small — mirroring the carve-out
+// already applied for the WASM target above.
+#[cfg_attr(feature = "standalone", exclude = "async/**")]
+pub struct Assets;
+
+impl AssetProvider for Assets {
+    fn get(&self, path: &str) -> Result<Cow<'_, [u8]>> {
+        <Assets as RustEmbed>::get(path)
+            .map(|f| f.data)
+            .ok_or_else(|| anyhow!("no asset exists at path {}", path))
+    }
+}