Add prebuilt update path

src/config.rs

@@ -104,7 +104,7 @@ pub struct ClientConfig {
     pub default_session: String,
     pub reconnect_timeout_secs: u64,
     pub view_only: bool,
-    #[serde(default)]
+    #[serde(default = "default_true")]
     pub predict: bool,
     /// Prediction display policy: "off", "experimental" (adaptive, the default),
     /// or "always". Controls when speculative local echo is shown.
@@ -193,7 +193,7 @@ impl Default for ClientConfig {
             default_session: "new".to_string(),
             reconnect_timeout_secs: 5,
             view_only: false,
-            predict: false,
+            predict: true,
             predict_mode: default_predict_mode(),
             cache_attach_tickets: true,
             credential_cache: "~/.local/share/dosh/credentials".to_string(),