refactoring

different default system prompts for cli and audio

mcp_server_collection/src/datetime.rs

@@ -52,7 +52,17 @@ impl DateTimeHandler {
         annotations(read_only_hint = true)
     )]
     fn get_weekday() -> String {
-        Local::now().weekday().to_string()
+        use chrono::Weekday::*;
+
+        match Local::now().weekday() {
+            Mon => "Monday",
+            Tue => "Tuesday",
+            Wed => "Wednesday",
+            Thu => "Thursday",
+            Fri => "Friday",
+            Sat => "Saturday",
+            Sun => "Sunday",
+        }.to_string()
     }
 }