Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

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

custom_nodes/ComfyUI-Impact-Pack/tests/test_error_handling.sh

@@ -0,0 +1,195 @@
+#!/bin/bash
+# Error Handling Test Suite
+# Tests graceful error handling for invalid wildcards, circular references, etc.
+
+set -e
+
+PORT=8197
+COMFYUI_DIR="/mnt/teratera/git/ComfyUI"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+IMPACT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+CONFIG_FILE="$IMPACT_DIR/impact-pack.ini"
+LOG_FILE="/tmp/error_handling_test.log"
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+echo "=========================================="
+echo "Error Handling Test Suite"
+echo "=========================================="
+echo "Port: $PORT"
+echo "Testing: Error handling and edge cases"
+echo ""
+
+# Cleanup function
+cleanup() {
+    echo ""
+    echo "Cleaning up..."
+    pkill -f "python.*main.py.*--port $PORT" 2>/dev/null || true
+    rm -f "$CONFIG_FILE"
+    echo "Cleanup complete"
+}
+
+trap cleanup EXIT
+
+# Kill any existing server on this port
+echo "Killing any existing server on port $PORT..."
+pkill -f "python.*main.py.*--port $PORT" 2>/dev/null || true
+sleep 2
+
+# Setup configuration to use test wildcard samples
+echo "Setting up configuration..."
+cat > "$CONFIG_FILE" << EOF
+[default]
+custom_wildcards = $IMPACT_DIR/tests/wildcards/samples
+wildcard_cache_limit_mb = 50
+dependency_version = 24
+mmdet_skip = True
+sam_editor_cpu = False
+sam_editor_model = sam_vit_h_4b8939.pth
+disable_gpu_opencv = True
+EOF
+
+echo "Configuration created: custom_wildcards = $IMPACT_DIR/tests/wildcards/samples"
+echo ""
+
+# Start server
+echo "Starting ComfyUI server on port $PORT..."
+cd "$COMFYUI_DIR"
+bash run.sh --listen 127.0.0.1 --port $PORT > "$LOG_FILE" 2>&1 &
+SERVER_PID=$!
+echo "Server PID: $SERVER_PID"
+
+# Wait for server startup
+echo "Waiting for server startup..."
+for i in {1..60}; do
+    sleep 1
+    if curl -s http://127.0.0.1:$PORT/ > /dev/null 2>&1; then
+        echo "✅ Server ready (${i}s)"
+        break
+    fi
+    if [ $((i % 10)) -eq 0 ]; then
+        echo "  ... ${i}s elapsed"
+    fi
+    if [ $i -eq 60 ]; then
+        echo ""
+        echo "${RED}❌ Server failed to start within 60 seconds${NC}"
+        echo "Log tail:"
+        tail -20 "$LOG_FILE"
+        exit 1
+    fi
+done
+
+echo ""
+
+# Test function
+test_error_case() {
+    local TEST_NUM=$1
+    local DESCRIPTION=$2
+    local PROMPT=$3
+    local SEED=$4
+    local EXPECTED_BEHAVIOR=$5
+
+    echo "${BLUE}=== Test $TEST_NUM: $DESCRIPTION ===${NC}"
+    echo "Prompt: ${YELLOW}$PROMPT${NC}"
+    echo "Seed: $SEED"
+    echo "Expected: $EXPECTED_BEHAVIOR"
+
+    RESULT=$(curl -s -X POST http://127.0.0.1:$PORT/impact/wildcards \
+        -H "Content-Type: application/json" \
+        -d "{\"text\": \"$PROMPT\", \"seed\": $SEED}" | \
+        python3 -c "import sys, json; print(json.load(sys.stdin).get('text','ERROR'))" 2>/dev/null || echo "ERROR")
+
+    echo "Result: ${GREEN}$RESULT${NC}"
+
+    # Check if result is not an error
+    if [ "$RESULT" != "ERROR" ] && [ -n "$RESULT" ]; then
+        echo "Status: ${GREEN}✅ PASS - No crash, graceful handling${NC}"
+    else
+        echo "Status: ${RED}❌ FAIL - Server error or no response${NC}"
+    fi
+    echo ""
+}
+
+echo "=========================================="
+echo "Test Suite Execution"
+echo "=========================================="
+echo ""
+
+# Test 1: Non-existent wildcard reference
+test_error_case "01" "Non-existent wildcard" \
+    "__test_error_cases__" \
+    42 \
+    "Should handle missing wildcard gracefully"
+
+# Test 2: Circular reference detection
+test_error_case "02" "Circular reference A" \
+    "__test_circular_a__" \
+    100 \
+    "Should detect cycle and stop at max iterations"
+
+# Test 3: Circular reference from B
+test_error_case "03" "Circular reference B" \
+    "__test_circular_b__" \
+    200 \
+    "Should detect cycle and stop at max iterations"
+
+# Test 4: Completely non-existent wildcard
+test_error_case "04" "Completely missing wildcard" \
+    "__this_file_does_not_exist__" \
+    42 \
+    "Should leave unexpanded or show error"
+
+# Test 5: Mixed valid and invalid
+test_error_case "05" "Mixed valid and invalid" \
+    "beautiful __test_quantifier__ with __nonexistent__" \
+    42 \
+    "Should expand valid, handle invalid gracefully"
+
+# Test 6: Empty dynamic prompt
+test_error_case "06" "Empty dynamic option" \
+    "{|something|nothing}" \
+    42 \
+    "Should handle empty option"
+
+# Test 7: Single option dynamic
+test_error_case "07" "Single option dynamic" \
+    "{only_one}" \
+    42 \
+    "Should return the single option"
+
+# Test 8: Malformed dynamic prompt (unclosed)
+test_error_case "08" "Malformed dynamic prompt" \
+    "{option1|option2" \
+    42 \
+    "Should handle unclosed bracket gracefully"
+
+# Test 9: Very deeply nested dynamic prompts
+test_error_case "09" "Very deep nesting" \
+    "{a|{b|{c|{d|{e|{f|{g|{h|i}}}}}}}" \
+    42 \
+    "Should handle deep nesting without crash"
+
+# Test 10: Multiple circular references in one prompt
+test_error_case "10" "Multiple circular refs" \
+    "__test_circular_a__ and __test_circular_b__" \
+    42 \
+    "Should handle multiple circular references"
+
+echo ""
+echo "=========================================="
+echo "Summary"
+echo "=========================================="
+echo "${GREEN}✅ Error handling tests completed${NC}"
+echo ""
+echo "All tests verified graceful error handling:"
+echo "  1. Non-existent wildcards handled"
+echo "  2. Circular references detected (max 100 iterations)"
+echo "  3. Malformed syntax handled gracefully"
+echo "  4. Deep nesting processed correctly"
+echo "  5. No server crashes occurred"
+echo ""
+echo "Log file: $LOG_FILE"