fix(slimrpc): restore Binding::Slimrpc protocol match arm and config parse entry

Signed-off-by: Sam Betts <1769706+Tehsmash@users.noreply.github.com>

Author: Tehsmash

a2acli/src/config.rs

@@ -138,6 +138,8 @@ fn parse_binding_str(s: &str) -> Option<Binding> {
     match s {
         "jsonrpc" => Some(Binding::Jsonrpc),
         "http-json" => Some(Binding::HttpJson),
+        #[cfg(feature = "slimrpc")]
+        "slimrpc" => Some(Binding::Slimrpc),
         _ => None,
     }
 }

a2acli/src/lib.rs

@@ -305,6 +305,8 @@ impl Binding {
         match self {
             Binding::Jsonrpc => TRANSPORT_PROTOCOL_JSONRPC,
             Binding::HttpJson => TRANSPORT_PROTOCOL_HTTP_JSON,
+            #[cfg(feature = "slimrpc")]
+            Binding::Slimrpc => a2a::TRANSPORT_PROTOCOL_SLIMRPC,
         }
     }
 }