### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### What happened?

In the LiteLLM Admin Dashboard under Experimental → Cache, there is a "Redis Type" dropdown with 4 options:

Node Cluster Sentinel Semantic ← ❌ This does not belong here Node, Cluster, and Sentinel are Redis network deployment topologies — they describe how your Redis infrastructure is set up.

Semantic is a caching strategy — it describes how cache lookups are performed (using embedding vectors instead of exact key matching).

These are completely different dimensions. Mixing "Semantic" into the Redis Type dropdown is like listing "Search by color" alongside "Car", "Truck", and "Motorcycle" — one of these things is not like the others.

<img width="1635" height="736" alt="Image" src="https://github.com/user-attachments/assets/a08d9794-59f8-4c71-a442-27c4fd778fce" />

### Steps to Reproduce

1. Log in to LiteLLM Admin Dashboard 2. Go to Experimental → Caching 3. Select Cache Settings - Open the Redis Type dropdown 4. Observe: Node, Cluster, Sentinel, Semantic are all listed together 5. Notice that Node, Cluster, Sentinel = network topology; Se…