host: expose harness state and actions over the world API

host/src/process/http.rs

@@ -46,13 +46,10 @@ impl WasiHttpHooks for Hooks {
             {
                 let bytes = body.collect().await?.to_bytes();
                 let request = Request::from_parts(parts, bytes);
-                if request.method() == http::Method::POST && request.uri().path() == "/cargo" {
-                    return Ok((
-                        crate::api::stream(&router, request),
-                        Box::new(async { Ok(()) }) as Io,
-                    ));
-                }
-                return Ok(response(crate::api::handle(&router, caller, request).await));
+                return Ok((
+                    crate::api::dispatch(&router, caller, request).await,
+                    Box::new(async { Ok(()) }) as Io,
+                ));
             }
             if !matches!(parts.uri.scheme_str(), Some("http" | "https")) {
                 while let Some(frame) = body.frame().await {