Validator FastAgent Config updates

validator/fastagent.config.yaml

@@ -3,9 +3,12 @@
 # Secrets (api_key, MCP bearer tokens) live in fastagent.secrets.yaml
 # (gitignored) and merge with this file at runtime.
 
-# Local llama.cpp on Nyx (OpenAI-compatible). Override via
-# fastagent.secrets.yaml if you want to point at a different model server.
-default_model: openai.Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf
+# Local llama.cpp on Nyx — served via fast-agent's Generic (OpenAI-compatible)
+# provider. The `openai` provider slot is reserved for cloud OpenAI endpoints
+# (including AWS Bedrock Mantle's Chat Completions path — see
+# pallas/docs/bedrock.md). Override via fastagent.secrets.yaml if you want to
+# point at a different model server.
+default_model: generic.Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf
 
 # Capabilities for the model — Pallas registers it with fast-agent's
 # ModelDatabase using these values. vision: true so we can validate image
@@ -16,7 +19,7 @@ model_capabilities:
   max_output_tokens: 16384
 
 # ── LLM Providers ───────────────────────────────────────────────────────────
-openai:
+generic:
   base_url: "http://nyx.helu.ca:22079/v1"
 
 # ── MCP Servers ─────────────────────────────────────────────────────────────