fix: add timeouts to curl commands in demo scripts

dream-server/scripts/first-boot-demo.sh

@@ -91,8 +91,8 @@ check_service() {
     local name=$1
     local url=$2
     local endpoint=${3:-/health}
-    
-    if curl -sf "${url}${endpoint}" > /dev/null 2>&1; then
+
+    if curl -sf --max-time 10 "${url}${endpoint}" > /dev/null 2>&1; then
         success "$name is running at $url"
         return 0
     else
@@ -142,7 +142,7 @@ if check_service "Open WebUI" "$WEBUI_URL" "/"; then
 fi
 
 # Optional services
-if curl -sf "${WHISPER_URL}/health" > /dev/null 2>&1; then
+if curl -sf --max-time 10 "${WHISPER_URL}/health" > /dev/null 2>&1; then
     success "Whisper STT is running (voice input enabled)"
     WHISPER_AVAILABLE=true
     ((SERVICES_OK++))
@@ -152,7 +152,7 @@ else
     WHISPER_AVAILABLE=false
 fi
 
-if curl -sf "${PIPER_URL}" > /dev/null 2>&1; then
+if curl -sf --max-time 10 "${PIPER_URL}" > /dev/null 2>&1; then
     success "OpenTTS TTS is running (voice output enabled)"
     PIPER_AVAILABLE=true
     ((SERVICES_OK++))
@@ -162,7 +162,7 @@ else
     PIPER_AVAILABLE=false
 fi
 
-if curl -sf "${N8N_URL}/healthz" > /dev/null 2>&1; then
+if curl -sf --max-time 10 "${N8N_URL}/healthz" > /dev/null 2>&1; then
     success "n8n Workflows is running (automation enabled)"
     N8N_AVAILABLE=true
     ((SERVICES_OK++))
@@ -190,7 +190,7 @@ header "💬 Demo 1: Local Chat Completion"
 
 demo "Asking your local AI a question..."
 
-RESPONSE=$(curl -sf "${LLM_URL}/v1/chat/completions" \
+RESPONSE=$(curl -sf --max-time 30 "${LLM_URL}/v1/chat/completions" \
     -H "Content-Type: application/json" \
     -d '{
         "model": "Qwen/Qwen2.5-32B-Instruct-AWQ",
@@ -218,7 +218,7 @@ header "🧑‍💻 Demo 2: Code Assistance"
 
 demo "Asking for help with a Python function..."
 
-CODE_RESPONSE=$(curl -sf "${LLM_URL}/v1/chat/completions" \
+CODE_RESPONSE=$(curl -sf --max-time 30 "${LLM_URL}/v1/chat/completions" \
     -H "Content-Type: application/json" \
     -d '{
         "model": "Qwen/Qwen2.5-32B-Instruct-AWQ",

dream-server/scripts/showcase.sh

@@ -63,7 +63,7 @@ print_menu() {
 check_service() {
     local url=$1
     local endpoint=$2
-    curl -sf "${url}${endpoint}" > /dev/null 2>&1
+    curl -sf --max-time 10 "${url}${endpoint}" > /dev/null 2>&1
 }
 
 demo_chat() {
@@ -94,8 +94,8 @@ demo_chat() {
         fi
 
         echo -ne "${CYAN}AI: ${NC}"
-        
-        response=$(curl -sf "${LLM_URL}/v1/chat/completions" \
+
+        response=$(curl -sf --max-time 30 "${LLM_URL}/v1/chat/completions" \
             -H "Content-Type: application/json" \
             -d "$(jq -n --arg msg "$user_input" '{
                 model: "local",
@@ -213,9 +213,9 @@ demo_rag() {
         fi
 
         echo -ne "${CYAN}Answer: ${NC}"
-        
+
         # Use document as context
-        response=$(curl -sf "${LLM_URL}/v1/chat/completions" \
+        response=$(curl -sf --max-time 30 "${LLM_URL}/v1/chat/completions" \
             -H "Content-Type: application/json" \
             -d "$(jq -n --arg doc "$DOC_CONTENT" --arg q "$question" '{
                 model: "local",
@@ -286,8 +286,8 @@ demo_code() {
     echo ""
 
     prompt="Task: $task\n\nCode:\n\`\`\`\n$CODE\n\`\`\`"
-    
-    response=$(curl -sf "${LLM_URL}/v1/chat/completions" \
+
+    response=$(curl -sf --max-time 30 "${LLM_URL}/v1/chat/completions" \
         -H "Content-Type: application/json" \
         -d "$(jq -n --arg p "$prompt" '{
             model: "local",