Forward non-200 status in proxy. Start with event stats reader

disk/src/binned/binnedfrompbv.rs

@@ -107,7 +107,7 @@ where
                                 continue 'outer;
                             } else {
                                 let msg =
-                                    format!("PreBinnedValueFetchedStream  got non-OK result from sub request: {res:?}");
+                                    format!("PreBinnedValueFetchedStream  non-OK result from sub request: {res:?}");
                                 error!("{msg}");
                                 let e = Error::with_msg_no_trace(msg);
                                 self.errored = true;

disk/src/binned/prebinned.rs

@@ -81,6 +81,10 @@ where
                 AggKind::Plain => {
                     panic!();
                 }
+                AggKind::Stats1 => {
+                    // Currently not meant to be binned.
+                    panic!();
+                }
             }
         }
         Shape::Wave(n) => {
@@ -112,6 +116,10 @@ where
                 AggKind::Plain => {
                     panic!();
                 }
+                AggKind::Stats1 => {
+                    // Currently not meant to be binned.
+                    panic!();
+                }
             }
         }
         Shape::Image(..) => {