From b1a0d1a175f830783b71a28f3b074ba2ff77700e Mon Sep 17 00:00:00 2001
From: Tam Nhu Tran <kaitran.ntt@gmail.com>
Date: Sat, 25 Apr 2026 11:30:33 -0400
Subject: [PATCH] fix(cliproxy/sync): dedup ANTHROPIC_EXTRA_MODELS entries
 against primary model

---
 src/cliproxy/sync/profile-mapper.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/cliproxy/sync/profile-mapper.ts b/src/cliproxy/sync/profile-mapper.ts
index cb4b7a10..3a4a120c 100644
--- a/src/cliproxy/sync/profile-mapper.ts
+++ b/src/cliproxy/sync/profile-mapper.ts
@@ -150,14 +150,21 @@ export function mapProfileToClaudeKey(profile: SyncableProfile): ClaudeKey | nul
       },
     ];
 
-    // Append extra models from ANTHROPIC_EXTRA_MODELS env var (comma-separated)
+    // Append extra models from ANTHROPIC_EXTRA_MODELS env var (comma-separated).
+    // Skip duplicates of the primary model and any repeated entries to keep
+    // the synced CLIProxy `models` array clean.
     const extraModelsRaw = env.ANTHROPIC_EXTRA_MODELS;
     if (extraModelsRaw && extraModelsRaw.trim()) {
+      const seen = new Set<string>([modelName]);
       const extraModels = extraModelsRaw
         .split(',')
         .map((m) => m.trim())
         .filter((m) => m.length > 0);
       for (const extra of extraModels) {
+        if (seen.has(extra)) {
+          continue;
+        }
+        seen.add(extra);
         claudeKey.models.push({
           name: extra,
           alias: '',