Fix: Support Gemini models properly with google/ prefix and correct agents config

start.sh

@@ -32,6 +32,21 @@ fi
 LLM_PROVIDER="${LLM_PROVIDER:-anthropic}"
 LLM_MODEL="${LLM_MODEL:-anthropic/claude-haiku-4-5}"
 
+# Auto-correct Gemini models to use google/ prefix if anthropic/ was mistakenly used
+if [[ "$LLM_MODEL" == "anthropic/gemini"* ]]; then
+  LLM_MODEL=$(echo "$LLM_MODEL" | sed 's/^anthropic\//google\//')
+  echo "⚠️  Corrected model from anthropic/gemini* to google/gemini*"
+fi
+
+# Auto-detect provider from model name if not explicitly set
+if [[ "$LLM_MODEL" == "google/"* ]]; then
+  LLM_PROVIDER="google"
+elif [[ "$LLM_MODEL" == "openai/"* ]]; then
+  LLM_PROVIDER="openai"
+elif [[ "$LLM_MODEL" == "anthropic/"* ]] || [[ "$LLM_MODEL" == "claude"* ]]; then
+  LLM_PROVIDER="anthropic"
+fi
+
 case "$LLM_PROVIDER" in
   anthropic) export ANTHROPIC_API_KEY="$LLM_API_KEY" ;;
   openai)    export OPENAI_API_KEY="$LLM_API_KEY" ;;
@@ -138,9 +153,20 @@ CONFIG_JSON=$(cat <<'CONFIGEOF'
 CONFIGEOF
 )
 
-# Gateway token + model
+# Gateway token
 CONFIG_JSON=$(echo "$CONFIG_JSON" | jq ".gateway.auth.token = \"$GATEWAY_TOKEN\"")
-CONFIG_JSON=$(echo "$CONFIG_JSON" | jq ".agents.defaults.model = \"$LLM_MODEL\"")
+
+# Add agents array with model configuration
+CONFIG_JSON=$(echo "$CONFIG_JSON" | jq ".agents = [
+  {
+    \"id\": \"main\",
+    \"kind\": \"main\",
+    \"sandbox\": \"require\",
+    \"defaults\": {
+      \"model\": \"$LLM_MODEL\"
+    }
+  }
+]")
 
 # Control UI origin (allow HF Space URL for web UI access)
 if [ -n "$SPACE_HOST" ]; then