fix(tui): summarize deleted patch files (#37134)

Co-authored-by: Kit Langton <kit.langton@gmail.com>

packages/tui/src/routes/session/index.tsx

@@ -2726,6 +2726,14 @@ function ApplyPatch(props: ToolProps) {
                   value: pathFormatter.format(file.relativePath),
                 }}
                 part={props.part}
+              >
+                <Show
+                  when={file.type !== "delete"}
+                  fallback={
+                    <text fg={theme.diffRemoved}>
+                      -{file.deletions} line{file.deletions !== 1 ? "s" : ""}
+                    </text>
+                  }
                 >
                   <box paddingLeft={1}>
                     <diff
@@ -2748,6 +2756,7 @@ function ApplyPatch(props: ToolProps) {
                       removedLineNumberBg={theme.diffRemovedLineNumberBg}
                     />
                   </box>
+                </Show>
               </BlockTool>
             )}
           </For>