Never halt on errors, log and continue

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

setup-vastai.sh

@@ -99,7 +99,7 @@ fi
 # ── Python Environment ───────────────────────────────────────
 log "Setting up Python environment..."
 if [ ! -d "$SCRIPT_DIR/venv" ]; then
-    python3 -m venv venv || die "Failed to create virtual environment"
+    python3 -m venv venv || { err "Failed to create virtual environment"; }
 fi
 # shellcheck disable=SC1091
 source venv/bin/activate
@@ -107,7 +107,7 @@ source venv/bin/activate
 # Install PyTorch with CUDA
 log "Installing PyTorch with CUDA..."
 pip install --quiet --upgrade torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu124 \
-    || die "Failed to install PyTorch — cannot continue without it"
+    || err "Failed to install PyTorch — ComfyUI will not work without it"
 
 # Verify CUDA is available
 if python3 -c "import torch; assert torch.cuda.is_available(), 'no cuda'" 2>/dev/null; then
@@ -119,7 +119,7 @@ fi
 # Install ComfyUI requirements
 log "Installing ComfyUI requirements..."
 pip install --quiet --upgrade -r requirements.txt \
-    || die "Failed to install ComfyUI requirements"
+    || err "Failed to install some ComfyUI requirements"
 
 # ── Custom Node Requirements ─────────────────────────────────
 log "Installing custom node requirements..."