Add timestamp to messages

packages/web-ui/src/agent/agent.ts

@@ -162,6 +162,7 @@ export class Agent {
 			role: "user",
 			content,
 			attachments: attachments?.length ? attachments : undefined,
+			timestamp: Date.now(),
 		};
 
 		this.abortController = new AbortController();
@@ -311,6 +312,7 @@ export class Agent {
 					},
 					stopReason: this.abortController?.signal.aborted ? "aborted" : "error",
 					errorMessage: err?.message || String(err),
+					timestamp: Date.now(),
 				};
 				this.appendMessage(msg as AppMessage);
 				this.patch({ error: err?.message || String(err) });

packages/web-ui/src/agent/transports/AppTransport.ts

@@ -48,6 +48,7 @@ function streamSimpleProxy(
 				cacheWrite: 0,
 				cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
 			},
+			timestamp: Date.now(),
 		};
 
 		let reader: ReadableStreamDefaultReader<Uint8Array> | undefined;