add debugging tracing

crates/delano-wit-ui/Cargo.toml

@@ -15,6 +15,8 @@ delanocreds = { workspace = true }
 delano-keys = { workspace = true }
 delano-events = { workspace = true }
 wit-bindgen = { version = "0.16.0", default-features = false, features = ["realloc"] }
+tracing = "0.1.37"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 [dev-dependencies]
 wasmtime = { version = "17", features = ['component-model'] }

crates/delano-wit-ui/src/api.rs

@@ -188,20 +188,30 @@ impl State {
 
                 self.history.push(history);
 
+                tracing::debug!("1/5 Offer: {:?}", offered);
+
                 // Also, subscribe to this publish_key by emitting SubscribeToKey
                 let subscribe_msg = SubscribeTopic::from(publish_key);
 
+                tracing::debug!("2/5 Subscribe: {:?}", subscribe_msg);
+
                 // Use the type's built-in serialization and encoding
                 let base64_publishables = subscribe_msg.serialize_encode()?;
 
+                tracing::debug!("3/5 Publishables: {:?}", base64_publishables);
+
                 // Wrap in Context, so the Wurbo Router can route it.
                 let message_data = Context::Message(base64_publishables.to_string());
                 // Serialize as JSON so `jco` can parse it in the JavaScript glue code.
                 let message = serde_json::to_string(&message_data).unwrap_or_default();
 
+                tracing::debug!("4/5 Message: {:?}", message);
+
                 // Emit the message
                 wurbo_in::emit(&message);
 
+                tracing::debug!("5/5 Emitted.");
+
                 Ok(Some(offered))
             }
             _ => Ok(None),