fix(librechat): correct YAML config format and add required secrets

- Fix endpoints config: use `custom` array format (not `ollama` key)
  per LibreChat docs
- Add required JWT_SECRET, JWT_REFRESH_SECRET, CREDS_KEY, CREDS_IV
  environment variables
- Update config version to 1.2.8

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

librechat/librechat.yaml

@@ -1,6 +1,6 @@
 # CERTifAI LibreChat Configuration
 # Ollama backend for self-hosted LLM inference.
-version: 1.2.1
+version: 1.2.8
 
 cache: true
 
@@ -18,18 +18,23 @@ interface:
   parameters: true
 
 endpoints:
-  ollama:
-    titleModel: "current_model"
-    # Use the Docker host network alias when running inside compose.
-    # Override OLLAMA_URL in .env for external Ollama instances.
-    url: "http://host.docker.internal:11434"
-    models:
-      fetch: true
-    summarize: true
-    forcePrompt: false
-    dropParams:
-      - stop
-      - user
-      - frequency_penalty
-      - presence_penalty
-    modelDisplayLabel: "CERTifAI Ollama"
+  custom:
+    - name: "Ollama"
+      apiKey: "ollama"
+      baseURL: "http://host.docker.internal:11434/v1/"
+      models:
+        default:
+          - "llama3.1:8b"
+          - "qwen3:30b-a3b"
+        fetch: true
+      titleConvo: true
+      titleModel: "current_model"
+      summarize: false
+      summaryModel: "current_model"
+      forcePrompt: false
+      modelDisplayLabel: "CERTifAI Ollama"
+      dropParams:
+        - stop
+        - user
+        - frequency_penalty
+        - presence_penalty