feat: replace prompt with inform (fire-and-forget), logs default 20 lines

crates/common/src/protocol.rs

@@ -58,6 +58,12 @@ pub enum ServerMessage {
         message: String,
         title: Option<String>,
     },
+    /// Show a non-blocking notification to the user (fire-and-forget)
+    InformRequest {
+        request_id: Uuid,
+        message: String,
+        title: Option<String>,
+    },
     /// Execute a shell command on the client
     ExecRequest {
         request_id: Uuid,