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

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))
+    }
+}