docs(models): document oMLX OpenAI-compatible setup

docs/models.md

@@ -272,6 +272,8 @@ If `lm-studio` is not explicitly configured, registry adds an implicit discovera
 
 Runtime discovery fetches models (`GET /models`) and synthesizes model entries with local defaults.
 
+This path also works for local OpenAI-compatible servers that are not LM Studio. For example, set `LM_STUDIO_BASE_URL=http://127.0.0.1:11434/v1` to discover oMLX through the existing `/v1/models` flow. Do not configure oMLX as `ollama`: Ollama discovery uses native `/api/tags` and `/api/show` endpoints, not OpenAI `/v1/models`.
+
 ### Explicit provider discovery
 
 You can configure discovery yourself:
@@ -606,6 +608,18 @@ providers:
         name: Qwen 2.5 Coder 32B (local)
 ```
 
+For oMLX or another local OpenAI-compatible server with a discoverable `/v1/models` endpoint, prefer discovery instead of listing models by hand:
+
+```yaml
+providers:
+  omlx:
+    baseUrl: http://127.0.0.1:11434/v1
+    auth: none
+    api: openai-completions
+    discovery:
+      type: openai-models-list
+```
+
 ### Hosted proxy with env-based key
 
 ```yaml