Upload plugins/_model_config/plugin.yaml with huggingface_hub

plugins/_model_config/plugin.yaml

@@ -1,3 +1,9 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a3ed273d5220ac33fc79ae12a3178305e63c1098b47f7129238d1237efdc43ac
-size 345
+name: _model_config
+title: Model Configuration
+description: Manages LLM model selection and configuration for chat, utility, and embedding models. Supports per-project and per-agent overrides with optional per-chat model switching.
+version: 1.0.0
+always_enabled: true
+settings_sections:
+  - agent
+per_project_config: true
+per_agent_config: true