diff --git a/src/agents/pi-embedded-runner/run/images.ts b/src/agents/pi-embedded-runner/run/images.ts
index 5389016fac6..b77993713f0 100644
--- a/src/agents/pi-embedded-runner/run/images.ts
+++ b/src/agents/pi-embedded-runner/run/images.ts
@@ -164,7 +164,12 @@ function extractTrailingAttachmentMediaUris(prompt: string, count: number): stri
     }
     uris.push(match[1]);
   }
-  return uris.reverse();
+  for (let left = 0, right = uris.length - 1; left < right; left += 1, right -= 1) {
+    const uri = uris[left];
+    uris[left] = uris[right];
+    uris[right] = uri;
+  }
+  return uris;
 }
 
 export function splitPromptAndAttachmentRefs(params: {
diff --git a/src/auto-reply/reply/reply-payloads-dedupe.ts b/src/auto-reply/reply/reply-payloads-dedupe.ts
index d370549d609..2d33c4ef44e 100644
--- a/src/auto-reply/reply/reply-payloads-dedupe.ts
+++ b/src/auto-reply/reply/reply-payloads-dedupe.ts
@@ -52,7 +52,7 @@ export function filterMessagingToolMediaDuplicates(params: {
 
   let nextPayloads: ReplyPayload[] | undefined;
   for (let index = 0; index < payloads.length; index++) {
-    const payload = payloads[index]!;
+    const payload = payloads[index];
     const mediaUrl = payload.mediaUrl;
     const mediaUrls = payload.mediaUrls;
     const stripSingle = mediaUrl && sentSet.has(normalizeMediaForDedupe(mediaUrl));
@@ -61,7 +61,7 @@ export function filterMessagingToolMediaDuplicates(params: {
     let strippedMediaUrls = false;
     if (mediaUrls?.length) {
       for (let mediaIndex = 0; mediaIndex < mediaUrls.length; mediaIndex++) {
-        const url = mediaUrls[mediaIndex]!;
+        const url = mediaUrls[mediaIndex];
         if (sentSet.has(normalizeMediaForDedupe(url))) {
           strippedMediaUrls = true;
           if (!filteredUrls) {