feat: finalize HTTP direct dispatch refactor and pending milestone updates

Switch API execution to direct daemon request handling, add regression
coverage for non-socket HTTP dispatch, and include the remaining pending
local updates across CLI/daemon/docs from the current worktree.

src/daemon/registry.rs

@@ -294,7 +294,7 @@ impl AdapterRegistry {
         F: for<'a> FnOnce(
             &'a RokuAdapter,
         ) -> std::pin::Pin<
-            Box<dyn std::future::Future<Output = crate::adapters::Result<T>> + 'a>,
+            Box<dyn std::future::Future<Output = crate::adapters::Result<T>> + Send + 'a>,
         >,
     {
         match platform {
@@ -309,7 +309,7 @@ impl AdapterRegistry {
             &'a RokuAdapter,
             &'a Device,
         ) -> std::pin::Pin<
-            Box<dyn std::future::Future<Output = crate::adapters::Result<T>> + 'a>,
+            Box<dyn std::future::Future<Output = crate::adapters::Result<T>> + Send + 'a>,
         >,
     {
         match device.platform.as_str() {