chore(deps): update rx4 to 0.6.3

Cargo.toml

@@ -104,7 +104,7 @@ computer-use-praefectus = ["dep:praefectus", "dep:ed25519-dalek"]
 # Deliberately off: `builtin-tools` (apollo registers its own tools; also
 # pulls in the fff/git2/notify stack), `mcp` (apollo has src/mcp_server.rs),
 # `zkr-memory` (gates rx4's self_improve; apollo depends on zkr directly).
-rx4 = { version = "0.5.0", default-features = false, features = ["ipc", "providers", "skills", "graph-memory"] }
+rx4 = { version = "0.6.3", default-features = false, features = ["ipc", "providers", "skills", "graph-memory"] }
 
 # Async runtime (optimized features only)
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "net", "io-util", "sync", "time", "fs", "signal", "process", "io-std"] }

src/agent/rotary_bridge.rs

@@ -420,6 +420,7 @@ pub fn register_apollo_tools(
                     id: String::new(),
                     content: result.output,
                     is_error: result.is_error,
+                    error_kind: None,
                 }
             })
         });