Increase req body limit (#2965)

force merging this since it has been going back and forth for so long

crates/goose/src/message.rs

@@ -353,6 +353,7 @@ impl From<PromptMessage> for Message {
 pub struct Message {
     pub id: Option<String>,
     pub role: Role,
+    #[serde(default = "default_created")]
     pub created: i64,
     pub content: Vec<MessageContent>,
 }
@@ -390,6 +391,10 @@ pub fn push_message(messages: &mut Vec<Message>, message: Message) {
     }
 }
 
+fn default_created() -> i64 {
+    0 // old messages do not have timestamps.
+}
+
 impl Message {
     pub fn new(role: Role, created: i64, content: Vec<MessageContent>) -> Self {
         Message {