enhance: add sys.date.now built in for time/date.

Signed-off-by: Bill Maxwell <[email protected]>

Author: cloudnautique

pkg/builtin/builtin.go

@@ -51,6 +51,12 @@ var tools = map[string]types.Tool{
 		},
 		BuiltinFunc: SysWorkspaceRead,
 	},
+	"sys.date.now": {
+		Parameters: types.Parameters{
+			Description: "Returns the current date and time in RFC3339 format",
+		},
+		BuiltinFunc: SysDateNow,
+	},
 	"sys.ls": {
 		Parameters: types.Parameters{
 			Description: "Lists the contents of a directory",
@@ -812,3 +818,7 @@ func SysPrompt(_ context.Context, _ []string, input string) (_ string, err error
 
 	return string(resultsStr), nil
 }
+
+func SysDateNow(ctx context.Context, env []string, input string) (string, error) {
+	return time.Now().Format(time.RFC3339), nil
+}