Merge remote-tracking branch 'origin/rcc/thinking' into dev/rust

# Conflicts:
#	rust/crates/commands/src/lib.rs
#	rust/crates/rusty-claude-cli/src/main.rs

rust/crates/api/tests/client_integration.rs

@@ -291,6 +291,7 @@ async fn live_stream_smoke_test() {
             system: None,
             tools: None,
             tool_choice: None,
+            thinking: None,
             stream: false,
         })
         .await
@@ -471,6 +472,7 @@ fn sample_request(stream: bool) -> MessageRequest {
             }),
         }]),
         tool_choice: Some(ToolChoice::Auto),
+        thinking: None,
         stream,
     }
 }