[Frontend] Forward cache salt for content parts (#54315)

Signed-off-by: Eli Gotts <78387377+eligotts@users.noreply.github.com> Co-authored-by: OpenAI Codex <noreply@openai.com>

eligotts committed Aug 30, 2026 at 23:29 UTC 4ae172231c633f00be275133ad91094396d3280c
1 file changed +2
vllm/entrypoints/scale_out/token_in_token_out/serving.py
+2
@@ -163,6 +163,8 @@ class ServingTokens(GenerateBaseServing):
163 mm_parser.parse_video(url, uuid)
164 mm_data, mm_uuids = await tracker.resolve_items()
165 prompt = TokensPrompt(prompt_token_ids=request.token_ids)
166 + if request.cache_salt is not None:
167 + prompt["cache_salt"] = request.cache_salt
168 if mm_data:
169 prompt["multi_modal_data"] = mm_data
170 if mm_uuids: