diff --git a/crates/spacesh-proto/src/message.rs b/crates/spacesh-proto/src/message.rs
index ed8015a..4e23e72 100644
--- a/crates/spacesh-proto/src/message.rs
+++ b/crates/spacesh-proto/src/message.rs
@@ -132,6 +132,19 @@ pub enum Cmd {
     Health,
     Status,
     Shutdown,
+    GetConfig,
+    SetConfig {
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        default_shell: Option<String>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        font_family: Option<String>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        font_size: Option<u16>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        theme: Option<String>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        accent: Option<String>,
+    },
 }
 
 /// Daemon → subscribers push events. The active subset for M0+M1.
@@ -150,6 +163,7 @@ pub enum Evt {
     State { surface_id: SurfaceId, state: SurfaceState },
     Event { record: EventRecord },
     EventsRead { ids: Vec<u64> },
+    ConfigChanged { config: crate::config_view::ConfigView },
 }
 
 #[cfg(test)]