Update build/test scripts with clean progress indicators and minimal output

scripts/build.sh

@@ -1,37 +1,53 @@
 #!/bin/bash
-set -e
 
 SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 PROJECT_DIR=$(cd "$SCRIPT_DIR/.." && pwd)
 
-echo "========================================="
+# Spinner function
+spinner() {
+    local pid=$1
+    local delay=0.1
+    local spinstr='⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏'
+    while ps -p $pid > /dev/null 2>&1; do
+        local temp=${spinstr#?}
+        printf " [%c]  " "$spinstr"
+        local spinstr=$temp${spinstr%"$temp"}
+        sleep $delay
+        printf "\b\b\b\b\b\b"
+    done
+    printf "    \b\b\b\b"
+}
+
 echo "Building Hero Supervisor Workspace"
-echo "========================================="
-
-# Build core and client (workspace members)
 echo ""
-echo "📦 Building core and client..."
+
+# Build core and client
+printf "📦 Core & Client... "
 cd "$PROJECT_DIR"
-RUSTFLAGS="-A warnings" cargo build --release --workspace
+if RUSTFLAGS="-A warnings" cargo build --release --workspace > /tmp/supervisor-build-core.log 2>&1 & spinner $!; wait $!; then
+    echo "✅"
+else
+    echo "❌"
+    echo "   Error: Build failed. Run 'cd $PROJECT_DIR && cargo build --release --workspace' for details"
+    exit 1
+fi
 
-echo ""
-echo "✅ Core and client built successfully"
-
-# Build UI (WASM target)
-echo ""
-echo "📦 Building UI (WASM)..."
+# Build UI
+printf "📦 UI (WASM)...     "
 cd "$PROJECT_DIR/ui"
 
-# Check if trunk is installed
 if ! command -v trunk &> /dev/null; then
-    echo "⚠️  Warning: trunk not found. Skipping UI build."
-    echo "   Install trunk with: cargo install trunk"
+    echo "⚠️  (trunk not installed)"
+    echo "   Install with: cargo install trunk"
 else
-    trunk build --release
-    echo "✅ UI built successfully"
+    if trunk build --release > /tmp/supervisor-build-ui.log 2>&1 & spinner $!; wait $!; then
+        echo "✅"
+    else
+        echo "❌"
+        echo "   Error: Build failed. Run 'cd $PROJECT_DIR/ui && trunk build --release' for details"
+        exit 1
+    fi
 fi
 
 echo ""
-echo "========================================="
-echo "✅ All builds completed successfully"
-echo "========================================="
+echo "✅ All builds completed"