refactor: Transport trait and worker transport, and streamable http client with those new features. (#167)

* refactor: a transport trait and streamable http client

* test: test with js streamable http server

* refactor: separate sse stream connection

* fix(test): streamable http client test with js

* fix(test): wait longer time for js server startup

examples/clients/Cargo.toml

@@ -10,6 +10,7 @@ publish = false
 rmcp = { path = "../../crates/rmcp", features = [
     "client",
     "transport-sse",
+    "transport-streamable-http-client",
     "transport-child-process",
     "tower",
     "auth"
@@ -25,6 +26,7 @@ anyhow = "1.0"
 url = "2.4"
 tower = "0.5"
 axum = "0.8"
+reqwest = "0.12"
 
 [[example]]
 name = "clients_sse"
@@ -34,6 +36,10 @@ path = "src/sse.rs"
 name = "clients_std_io"
 path = "src/std_io.rs"
 
+[[example]]
+name = "clients_streamable_http"
+path = "src/streamable_http.rs"
+
 [[example]]
 name = "clients_everything_stdio"
 path = "src/everything_stdio.rs"