From a6dcc44c12abbac1d89346856604b0b1c6b76506 Mon Sep 17 00:00:00 2001
From: thePR0M3TH3AN <53631862+PR0M3TH3AN@users.noreply.github.com>
Date: Fri, 12 Dec 2025 10:29:33 -0500
Subject: [PATCH] Normalize comment cache keys

---
 js/services/commentThreadService.js   |  6 ++++-
 tests/comment-thread-service.test.mjs | 35 +++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/js/services/commentThreadService.js b/js/services/commentThreadService.js
index ecec9c85..7a915bc4 100644
--- a/js/services/commentThreadService.js
+++ b/js/services/commentThreadService.js
@@ -324,7 +324,11 @@ export default class CommentThreadService {
 
   getCommentCacheKey(videoEventId) {
     const normalized = normalizeString(videoEventId);
-    return normalized ? `${COMMENT_CACHE_PREFIX}${normalized}` : "";
+    if (!normalized) {
+      return "";
+    }
+
+    return `${COMMENT_CACHE_PREFIX}${normalized.toLowerCase()}`;
   }
 
   getCachedComments(videoEventId) {
diff --git a/tests/comment-thread-service.test.mjs b/tests/comment-thread-service.test.mjs
index bf276403..63cf3022 100644
--- a/tests/comment-thread-service.test.mjs
+++ b/tests/comment-thread-service.test.mjs
@@ -88,6 +88,41 @@ test.after(() => {
   }
 });
 
+test("CommentThreadService caches mixed-case video ids consistently", () => {
+  const videoEventId = "VideoMixed123";
+  const service = new CommentThreadService();
+
+  const comments = [
+    {
+      id: "comment-1",
+      pubkey: "authorpk",
+      content: "Cached comment",
+      created_at: 1700000000,
+      tags: [],
+    },
+  ];
+
+  service.cacheComments(videoEventId, comments);
+
+  const cachedKeys = [];
+  for (let index = 0; index < localStorage.length; index += 1) {
+    cachedKeys.push(localStorage.key(index));
+  }
+
+  assert.deepEqual(
+    cachedKeys,
+    ["bitvid:comments:videomixed123"],
+    "cache key should normalize mixed-case ids",
+  );
+
+  const cached = service.getCachedComments(videoEventId.toLowerCase());
+  assert.deepEqual(
+    cached,
+    comments,
+    "mixed-case ids should retrieve cached entries",
+  );
+});
+
 test(
   "listVideoComments accepts builder events without parent ids and filters replies",
   async () => {