diff --git a/.gitignore b/.gitignore
index 4ab2273..71fba69 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,10 +4,6 @@
 
 # Executables
 miniRT
-test_vector
-test_parser
-test_intersections
-test_lighting
 
 # Libraries
 *.a
@@ -22,9 +18,6 @@ test_lighting
 # Dependency files
 *.d
 
-# MinilibX test programs
-test_mlx
-
 # IDE and Editor files
 .vscode/
 .idea/
@@ -61,8 +54,5 @@ build/
 .codex/skills/
 .codex/tmp/
 
-# Optimization test script
-test_optimizations.sh
-
 # Claude Code local settings
 .claude/settings.local.json
diff --git a/scripts/analyze_function_usage.sh b/scripts/analyze_function_usage.sh
deleted file mode 100755
index 3b6eeb1..0000000
--- a/scripts/analyze_function_usage.sh
+++ /dev/null
@@ -1,117 +0,0 @@
-#!/bin/bash
-# Function usage analysis script
-# Created as part of 012-code-cleanup-refactor feature
-# Analyzes function declarations and their usage across the codebase
-
-set -e
-
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
-OUTPUT_FILE="${1:-/tmp/function_usage_report.txt}"
-
-echo "=== MiniRT Function Usage Analysis ===" | tee "$OUTPUT_FILE"
-echo "Project Root: $PROJECT_ROOT" | tee -a "$OUTPUT_FILE"
-echo "Generated: $(date)" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-
-# Extract all function declarations from headers
-echo "=== PART 1: Function Declarations in Headers ===" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-
-for header in "$PROJECT_ROOT"/includes/*.h; do
-    header_name=$(basename "$header")
-    echo "--- $header_name ---" | tee -a "$OUTPUT_FILE"
-    
-    # Extract function declarations (simplified pattern)
-    # Looks for: return_type function_name(params);
-    grep -E '^[a-z_][a-z0-9_]*\s+[a-z_][a-z0-9_]*\s*\(' "$header" | \
-        sed 's/^\([a-z_][a-z0-9_]*\)\s\+\([a-z_][a-z0-9_]*\)\s*(.*/\2/' | \
-        sort -u | tee -a "$OUTPUT_FILE" || echo "  (no declarations found)" | tee -a "$OUTPUT_FILE"
-    
-    echo "" | tee -a "$OUTPUT_FILE"
-done
-
-# Extract all function definitions from source files
-echo "=== PART 2: Function Definitions in Source Files ===" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-
-for src_dir in "$PROJECT_ROOT"/src/*/; do
-    dir_name=$(basename "$src_dir")
-    echo "--- $dir_name/ ---" | tee -a "$OUTPUT_FILE"
-    
-    # Find all .c files in directory
-    find "$src_dir" -name "*.c" -exec basename {} \; | while read -r src_file; do
-        echo "  File: $src_file" | tee -a "$OUTPUT_FILE"
-        
-        # Extract function definitions (simplified)
-        grep -E '^[a-z_][a-z0-9_]*\s+[a-z_][a-z0-9_]*\s*\(' "$src_dir$src_file" | \
-            sed 's/^\([a-z_][a-z0-9_]*\)\s\+\([a-z_][a-z0-9_]*\)\s*(.*/    \2/' | \
-            tee -a "$OUTPUT_FILE" || echo "    (no definitions found)" | tee -a "$OUTPUT_FILE"
-    done
-    
-    echo "" | tee -a "$OUTPUT_FILE"
-done
-
-# Analyze function calls
-echo "=== PART 3: Function Call Analysis ===" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-echo "Searching for function calls in codebase..." | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-
-# Create temporary file with all function names
-temp_functions=$(mktemp)
-
-# Extract function names from headers
-for header in "$PROJECT_ROOT"/includes/*.h; do
-    grep -E '^[a-z_][a-z0-9_]*\s+[a-z_][a-z0-9_]*\s*\(' "$header" | \
-        sed 's/^\([a-z_][a-z0-9_]*\)\s\+\([a-z_][a-z0-9_]*\)\s*(.*/\2/' >> "$temp_functions" || true
-done
-
-# Sort and unique
-sort -u "$temp_functions" > "${temp_functions}.sorted"
-mv "${temp_functions}.sorted" "$temp_functions"
-
-# For each function, count usages
-echo "Function Name | Declaration Count | Call Sites" | tee -a "$OUTPUT_FILE"
-echo "--------------|-------------------|------------" | tee -a "$OUTPUT_FILE"
-
-while IFS= read -r func_name; do
-    [ -z "$func_name" ] && continue
-    
-    # Count declarations (should be 1 ideally)
-    decl_count=$(grep -r "^[a-z_][a-z0-9_]*\s\+${func_name}\s*(" "$PROJECT_ROOT"/includes/ 2>/dev/null | wc -l | tr -d ' ')
-    
-    # Count call sites (usage in .c files)
-    call_count=$(grep -r "${func_name}(" "$PROJECT_ROOT"/src/ "$PROJECT_ROOT"/main.c 2>/dev/null | wc -l | tr -d ' ')
-    
-    echo "$func_name | $decl_count | $call_count" | tee -a "$OUTPUT_FILE"
-done < "$temp_functions"
-
-# Cleanup
-rm -f "$temp_functions"
-
-echo "" | tee -a "$OUTPUT_FILE"
-echo "=== PART 4: Potentially Unused Functions ===" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-echo "Functions with 0 call sites (may be callbacks or unused):" | tee -a "$OUTPUT_FILE"
-echo "" | tee -a "$OUTPUT_FILE"
-
-# Re-extract and check for zero usage
-for header in "$PROJECT_ROOT"/includes/*.h; do
-    grep -E '^[a-z_][a-z0-9_]*\s+[a-z_][a-z0-9_]*\s*\(' "$header" | \
-        sed 's/^\([a-z_][a-z0-9_]*\)\s\+\([a-z_][a-z0-9_]*\)\s*(.*/\2/' | \
-        sort -u | while IFS= read -r func_name; do
-            [ -z "$func_name" ] && continue
-            
-            call_count=$(grep -r "${func_name}(" "$PROJECT_ROOT"/src/ "$PROJECT_ROOT"/main.c 2>/dev/null | wc -l | tr -d ' ')
-            
-            if [ "$call_count" -eq 0 ]; then
-                header_name=$(basename "$header")
-                echo "  - $func_name (declared in $header_name)" | tee -a "$OUTPUT_FILE"
-            fi
-        done
-done
-
-echo "" | tee -a "$OUTPUT_FILE"
-echo "=== Analysis Complete ===" | tee -a "$OUTPUT_FILE"
-echo "Report saved to: $OUTPUT_FILE" | tee -a "$OUTPUT_FILE"
diff --git a/scripts/check-commit-format.sh b/scripts/check-commit-format.sh
deleted file mode 100755
index 23a93f4..0000000
--- a/scripts/check-commit-format.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-# check-commit-format.sh
-# Validates commit messages follow Conventional Commits format
-
-set -e
-
-COMMIT_MSG_FILE=$1
-COMMIT_MSG=$(cat "$COMMIT_MSG_FILE")
-
-# Conventional commit pattern
-PATTERN="^(feat|fix|docs|style|refactor|test|chore|perf|ci|build|revert)(\(.+\))?: .+"
-
-if ! echo "$COMMIT_MSG" | grep -qE "$PATTERN"; then
-    echo "❌ Invalid commit message format"
-    echo ""
-    echo "Current message:"
-    echo "  $COMMIT_MSG"
-    echo ""
-    echo "Expected format:"
-    echo "  type(scope): description"
-    echo ""
-    echo "Examples:"
-    echo "  feat: add soft shadow rendering"
-    echo "  feat(lighting): implement distance attenuation"
-    echo "  fix: resolve segfault in vector operations"
-    echo "  fix(parser): handle empty scene files"
-    echo "  docs: update README with build instructions"
-    echo ""
-    echo "Valid types: feat, fix, docs, style, refactor, test, chore, perf, ci, build, revert"
-    exit 1
-fi
-
-echo "✓ Commit message format is valid"
diff --git a/scripts/check-issue-reference.sh b/scripts/check-issue-reference.sh
deleted file mode 100755
index b992cde..0000000
--- a/scripts/check-issue-reference.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-# check-issue-reference.sh
-# Validates that commits reference an issue number when required
-
-set -e
-
-COMMIT_MSG_FILE=$1
-COMMIT_MSG=$(cat "$COMMIT_MSG_FILE")
-
-# Skip check for certain commit types that don't require issues
-if echo "$COMMIT_MSG" | grep -qE "^(chore|docs|style): "; then
-    echo "✓ Commit type does not require issue reference"
-    exit 0
-fi
-
-# Check for issue reference in commit message
-if ! echo "$COMMIT_MSG" | grep -qE "(#[0-9]+|issue [0-9]+|closes [0-9]+|fixes [0-9]+|resolves [0-9]+)"; then
-    echo "⚠️  Warning: No issue reference found in commit message"
-    echo ""
-    echo "Current message:"
-    echo "  $COMMIT_MSG"
-    echo ""
-    echo "Consider adding an issue reference:"
-    echo "  feat: add feature (#123)"
-    echo "  fix: resolve bug (closes #456)"
-    echo "  refactor: improve code (issue #789)"
-    echo ""
-    echo "This is a warning, not an error. Press Enter to continue or Ctrl+C to abort."
-    read -r
-fi
-
-echo "✓ Issue reference check passed"
diff --git a/scripts/compare_renders.sh b/scripts/compare_renders.sh
deleted file mode 100755
index ead1672..0000000
--- a/scripts/compare_renders.sh
+++ /dev/null
@@ -1,81 +0,0 @@
-#!/bin/bash
-# Compare rendered images between baseline and current
-# Usage: ./scripts/compare_renders.sh [baseline_dir] [current_dir]
-
-set -e
-
-BASELINE_DIR="${1:-baseline_renders}"
-CURRENT_DIR="${2:-current_renders}"
-
-echo "========================================="
-echo "Render Comparison Script"
-echo "========================================="
-echo "Baseline: $BASELINE_DIR"
-echo "Current:  $CURRENT_DIR"
-echo ""
-
-if [ ! -d "$BASELINE_DIR" ]; then
-    echo "✗ ERROR: Baseline directory not found: $BASELINE_DIR"
-    exit 1
-fi
-
-if [ ! -d "$CURRENT_DIR" ]; then
-    echo "✗ ERROR: Current directory not found: $CURRENT_DIR"
-    exit 1
-fi
-
-# Count files
-baseline_count=$(find "$BASELINE_DIR" -name "*.ppm" -o -name "*.png" | wc -l | tr -d ' ')
-current_count=$(find "$CURRENT_DIR" -name "*.ppm" -o -name "*.png" | wc -l | tr -d ' ')
-
-echo "Baseline images: $baseline_count"
-echo "Current images:  $current_count"
-echo ""
-
-if [ "$baseline_count" -eq 0 ]; then
-    echo "✗ ERROR: No baseline images found"
-    exit 1
-fi
-
-# Compare each image
-pass_count=0
-fail_count=0
-missing_count=0
-
-for baseline_img in "$BASELINE_DIR"/*.{ppm,png}; do
-    [ -f "$baseline_img" ] || continue
-    
-    filename=$(basename "$baseline_img")
-    current_img="$CURRENT_DIR/$filename"
-    
-    if [ ! -f "$current_img" ]; then
-        echo "✗ MISSING: $filename"
-        ((missing_count++))
-        continue
-    fi
-    
-    # Binary comparison
-    if cmp -s "$baseline_img" "$current_img"; then
-        echo "✓ IDENTICAL: $filename"
-        ((pass_count++))
-    else
-        echo "✗ DIFFERS: $filename"
-        ((fail_count++))
-    fi
-done
-
-echo ""
-echo "========================================="
-echo "Results:"
-echo "========================================="
-echo "Identical:  $pass_count"
-echo "Different:  $fail_count"
-echo "Missing:    $missing_count"
-
-if [ "$fail_count" -eq 0 ] && [ "$missing_count" -eq 0 ]; then
-    echo "✓ PASS: All renders match baseline"
-    exit 0
-else
-    echo "✗ FAIL: Some renders differ from baseline"
-    exit 1
-fi
diff --git a/scripts/create_wiki.sh b/scripts/create_wiki.sh
deleted file mode 100755
index 5e01326..0000000
--- a/scripts/create_wiki.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-
-echo "======================================"
-echo "GitHub Wiki 자동 생성 스크립트"
-echo "======================================"
-echo ""
-
-REPO="gdtknight/miniRT_final"
-WIKI_URL="https://github.com/$REPO/wiki"
-
-echo "1. 브라우저에서 다음 URL을 열어주세요:"
-echo "   $WIKI_URL"
-echo ""
-echo "2. 'Create the first page' 버튼을 클릭하세요"
-echo ""
-echo "3. 아무 내용(예: 'Initial page')을 입력하고 Save 클릭"
-echo ""
-echo "4. 저장 후 아래 명령어를 실행하세요:"
-echo ""
-echo "   cd /tmp"
-echo "   git clone git@github.com:$REPO.wiki.git"
-echo "   cd miniRT_final.wiki"
-echo "   cp /tmp/miniRT_wiki/*.md ."
-echo "   git add ."
-echo "   git commit -m 'Add comprehensive Korean documentation'"
-echo "   git push origin master"
-echo ""
-echo "======================================"
-echo ""
-echo "Wiki 파일 준비 상태:"
-ls -lh /tmp/miniRT_wiki/*.md 2>/dev/null | awk '{print "  " $9}' || echo "  (파일을 다시 생성해야 합니다)"
-echo ""
-echo "자세한 내용은 WIKI_SETUP.md 를 참고하세요"
diff --git a/scripts/fix_line_continuations.sh b/scripts/fix_line_continuations.sh
deleted file mode 100755
index f6063e6..0000000
--- a/scripts/fix_line_continuations.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-# Fix line continuation indentation issues
-
-files=(
-"src/ray/intersect_cylinder.c"
-"src/lighting/lighting.c"
-"src/lighting/shadow_attenuation.c"
-"src/lighting/shadow_calc.c"
-)
-
-for file in "${files[@]}"; do
-if [ -f "$file" ]; then
-echo "Processing: $file"
-# This is complex - will do manually
-fi
-done
diff --git a/scripts/fix_whitespace.sh b/scripts/fix_whitespace.sh
deleted file mode 100755
index 0da4f08..0000000
--- a/scripts/fix_whitespace.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-# Fix whitespace issues in source files
-
-# Convert tabs to spaces in all .c and .h files
-find src includes -type f \( -name "*.c" -o -name "*.h" \) -exec bash -c '
-	for file; do
-		# Check if file has issues
-		if grep -q $'\''\t'\'' "$file"; then
-			echo "Fixing tabs in: $file"
-			# Use expand to convert tabs to spaces (tab stop = 4)
-			expand -t 4 "$file" > "$file.tmp" && mv "$file.tmp" "$file"
-		fi
-	done
-' bash {} +
-
-echo "Whitespace fixes complete"
diff --git a/scripts/setup-ci-environment.sh b/scripts/setup-ci-environment.sh
deleted file mode 100755
index 38ccd92..0000000
--- a/scripts/setup-ci-environment.sh
+++ /dev/null
@@ -1,52 +0,0 @@
-#!/bin/bash
-# setup-ci-environment.sh
-# Sets up CI environment for testing
-
-set -e
-
-echo "Setting up CI environment..."
-
-# Detect OS
-if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-    OS="Linux"
-    echo "Detected OS: Linux"
-elif [[ "$OSTYPE" == "darwin"* ]]; then
-    OS="macOS"
-    echo "Detected OS: macOS"
-else
-    OS="Unknown"
-    echo "Warning: Unknown OS: $OSTYPE"
-fi
-
-# Install dependencies based on OS
-if [ "$OS" = "Linux" ]; then
-    echo "Installing Linux dependencies..."
-    if command -v apt-get &> /dev/null; then
-        sudo apt-get update
-        sudo apt-get install -y gcc make xorg libxext-dev libbsd-dev xvfb
-    elif command -v yum &> /dev/null; then
-        sudo yum install -y gcc make libX11-devel libXext-devel
-    else
-        echo "Error: No supported package manager found"
-        exit 1
-    fi
-elif [ "$OS" = "macOS" ]; then
-    echo "macOS environment ready (no additional dependencies needed)"
-fi
-
-# Install norminette if not present
-if ! command -v norminette &> /dev/null; then
-    echo "Installing norminette..."
-    python3 -m pip install --upgrade pip setuptools
-    python3 -m pip install norminette
-fi
-
-# Verify installations
-echo ""
-echo "Verifying installations..."
-gcc --version | head -1
-make --version | head -1
-norminette --version
-
-echo ""
-echo "✓ CI environment setup complete"
diff --git a/scripts/test/test_controls.sh b/scripts/test/test_controls.sh
deleted file mode 100755
index ca8b1a4..0000000
--- a/scripts/test/test_controls.sh
+++ /dev/null
@@ -1,66 +0,0 @@
-#!/bin/bash
-# Test script to verify keyboard controls are properly implemented
-
-echo "Testing miniRT Interactive Controls"
-echo "===================================="
-echo ""
-
-# Check if miniRT exists
-if [ ! -f "./miniRT" ]; then
-    echo "Error: miniRT executable not found"
-    echo "Please run 'make' first"
-    exit 1
-fi
-
-# Check for test scene
-if [ ! -f "scenes/perf/perf_all_objects.rt" ]; then
-    echo "Error: Test scene not found"
-    exit 1
-fi
-
-echo "✓ miniRT executable found"
-echo "✓ Test scene available"
-echo ""
-echo "Manual Test Instructions:"
-echo "=========================="
-echo ""
-echo "1. Camera Movement (WASD):"
-echo "   - Launch: ./miniRT scenes/perf/perf_all_objects.rt"
-echo "   - Press W: Camera should move forward"
-echo "   - Press S: Camera should move backward"
-echo "   - Press A: Camera should strafe left"
-echo "   - Press D: Camera should strafe right"
-echo ""
-echo "2. Camera Rotation (RF):"
-echo "   - Press R: Camera should pitch up"
-echo "   - Press F: Camera should pitch down"
-echo ""
-echo "3. Object Selection ([/]):"
-echo "   - Press ]: Select next object"
-echo "   - Press [: Select previous object"
-echo ""
-echo "4. Object Movement (Numpad):"
-echo "   - Select an object first with ]"
-echo "   - Press Numpad 4/6: Move left/right"
-echo "   - Press Numpad 2/8: Move down/up"
-echo "   - Press Numpad 1/3: Move back/forward"
-echo ""
-echo "5. Light Control (Insert/Home/PgUp/Del/End/PgDn):"
-echo "   - Press Insert: Move light right"
-echo "   - Press Delete: Move light left"
-echo "   - Press Home: Move light up"
-echo "   - Press End: Move light down"
-echo "   - Press Page Up: Move light forward"
-echo "   - Press Page Down: Move light backward"
-echo ""
-echo "6. Exit:"
-echo "   - Press ESC to exit"
-echo ""
-echo "Expected behavior:"
-echo "- Scene should re-render after each movement"
-echo "- Controls should respond immediately"
-echo "- No crashes or memory leaks"
-echo ""
-echo "To run the interactive test, execute:"
-echo "  ./miniRT scenes/perf/perf_all_objects.rt"
-echo ""
diff --git a/scripts/test/test_progress.sh b/scripts/test/test_progress.sh
deleted file mode 100644
index 14cad4b..0000000
--- a/scripts/test/test_progress.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-cd /Users/yoshin/dev/working/miniRT
-make clean >/dev/null 2>&1
-make 2>&1 | tail -3
-echo "---"
-python3 -m norminette src/ includes/ 2>&1 | grep "Error:" | wc -l
-python3 -m norminette src/ includes/ 2>&1 | grep "Error:" | awk '{print $2}' | sort | uniq -c | sort -rn
diff --git a/scripts/test/validate_optimization.sh b/scripts/test/validate_optimization.sh
deleted file mode 100755
index f6c07ac..0000000
--- a/scripts/test/validate_optimization.sh
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/bin/bash
-# Rendering Optimization Validation Script
-# Validates that BVH and optimization features compile and basic structure is correct
-
-echo "=== miniRT Rendering Optimization Validation ==="
-echo ""
-
-# Colors
-GREEN='\033[0;32m'
-RED='\033[0;31m'
-YELLOW='\033[1;33m'
-NC='\033[0m' # No Color
-
-PASS=0
-FAIL=0
-
-check() {
-    if [ $? -eq 0 ]; then
-        echo -e "${GREEN}✓ PASS${NC}: $1"
-        ((PASS++))
-    else
-        echo -e "${RED}✗ FAIL${NC}: $1"
-        ((FAIL++))
-    fi
-}
-
-echo "1. Checking if miniRT binary exists..."
-[ -f ./miniRT ]
-check "miniRT binary exists"
-
-echo ""
-echo "2. Checking header files..."
-[ -f includes/spatial.h ]
-check "includes/spatial.h exists"
-
-[ -f includes/metrics.h ]
-check "includes/metrics.h exists"
-
-[ -f includes/render_state.h ]
-check "includes/render_state.h exists"
-
-echo ""
-echo "3. Checking BVH implementation files..."
-[ -f src/spatial/aabb.c ]
-check "src/spatial/aabb.c exists"
-
-[ -f src/spatial/bounds.c ]
-check "src/spatial/bounds.c exists"
-
-[ -f src/spatial/bvh_build.c ]
-check "src/spatial/bvh_build.c exists"
-
-[ -f src/spatial/bvh_init.c ]
-check "src/spatial/bvh_init.c exists"
-
-[ -f src/spatial/bvh_traverse.c ]
-check "src/spatial/bvh_traverse.c exists"
-
-echo ""
-echo "4. Checking render state implementation..."
-[ -f src/render/render_state.c ]
-check "src/render/render_state.c exists"
-
-[ -f src/utils/timer.c ]
-check "src/utils/timer.c exists"
-
-echo ""
-echo "5. Checking test scenes..."
-[ -f scenes/perf/perf_spheres_20.rt ]
-check "scenes/perf/perf_spheres_20.rt exists"
-
-[ -f scenes/perf/perf_spheres_50.rt ]
-check "scenes/perf/perf_spheres_50.rt exists"
-
-echo ""
-echo "6. Checking for required symbols in binary..."
-nm ./miniRT | grep -q "bvh_create"
-check "bvh_create function present"
-
-nm ./miniRT | grep -q "bvh_build"
-check "bvh_build function present"
-
-nm ./miniRT | grep -q "bvh_intersect"
-check "bvh_traverse/bvh_intersect function present"
-
-nm ./miniRT | grep -q "render_state_init"
-check "render_state_init function present"
-
-echo ""
-echo "7. Verifying compilation (symbol check complete)"
-echo -e "${YELLOW}⚠ INFO${NC}: Scene rendering validation requires GUI (skipped)"
-
-echo ""
-echo "=== Validation Summary ==="
-echo -e "Passed: ${GREEN}${PASS}${NC}"
-echo -e "Failed: ${RED}${FAIL}${NC}"
-echo ""
-
-if [ $FAIL -eq 0 ]; then
-    echo -e "${GREEN}✓ All checks passed! BVH optimization is properly implemented.${NC}"
-    echo ""
-    echo "Next steps:"
-    echo "1. Test rendering with: ./miniRT scenes/perf/perf_spheres_20.rt"
-    echo "2. Toggle BVH with 'B' key during rendering"
-    echo "3. Compare performance with BVH on vs off"
-    echo "4. Try larger scene: ./miniRT scenes/perf/perf_spheres_50.rt"
-    exit 0
-else
-    echo -e "${RED}✗ Some checks failed. Please review the implementation.${NC}"
-    exit 1
-fi
diff --git a/scripts/validate_42_functions.sh b/scripts/validate_42_functions.sh
deleted file mode 100755
index b9bebc5..0000000
--- a/scripts/validate_42_functions.sh
+++ /dev/null
@@ -1,60 +0,0 @@
-#!/bin/bash
-# 42 Function Constraint Validation Script
-# Checks for prohibited functions in miniRT codebase
-
-set -e
-
-PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-
-echo "=== 42 School Function Constraint Validation ==="
-echo "Project: miniRT"
-echo "Date: $(date)"
-echo ""
-
-# Prohibited functions list
-PROHIBITED_FUNCS=(
-    "pthread_create"
-    "pthread_join"
-    "pthread_mutex_lock"
-    "pthread_mutex_unlock"
-    "pthread_mutex_init"
-    "pthread_mutex_destroy"
-    "fork"
-    "pipe"
-    "waitpid"
-    "execve"
-    "system"
-)
-
-violations=0
-
-echo "Searching for prohibited functions..."
-echo ""
-
-for func in "${PROHIBITED_FUNCS[@]}"; do
-    echo -n "  Checking $func... "
-    
-    # Search in source files and headers
-    matches=$(grep -r "${func}(" "$PROJECT_ROOT/src/" "$PROJECT_ROOT/includes/" "$PROJECT_ROOT/main.c" 2>/dev/null | wc -l | tr -d ' ')
-    
-    if [ "$matches" -gt 0 ]; then
-        echo "✗ FOUND ($matches occurrences)"
-        violations=$((violations + matches))
-        grep -rn "${func}(" "$PROJECT_ROOT/src/" "$PROJECT_ROOT/includes/" "$PROJECT_ROOT/main.c" 2>/dev/null | head -5
-    else
-        echo "✓ OK"
-    fi
-done
-
-echo ""
-echo "=== Validation Results ==="
-
-if [ $violations -eq 0 ]; then
-    echo "✓ PASSED: No prohibited functions found"
-    echo "✓ Codebase complies with 42 School function constraints"
-    exit 0
-else
-    echo "✗ FAILED: $violations prohibited function usage(s) found"
-    echo "✗ Codebase violates 42 School function constraints"
-    exit 1
-fi
diff --git a/scripts/validate_bvh_fix.sh b/scripts/validate_bvh_fix.sh
deleted file mode 100755
index 4d51de3..0000000
--- a/scripts/validate_bvh_fix.sh
+++ /dev/null
@@ -1,85 +0,0 @@
-#!/bin/bash
-
-echo "=== BVH Integration Fix Validation ==="
-echo ""
-
-# T011: Check if fixes are applied
-echo "T011-T012: Checking BVH fixes..."
-if grep -q "bvh_enabled = 1" src/render/render_state.c; then
-    echo "✅ T006: BVH enabled by default in render_state.c"
-else
-    echo "❌ T006 FAIL: BVH not enabled by default"
-    exit 1
-fi
-
-if grep -q "hit_found = 1" src/render/trace.c && grep -q "if (!hit_found)" src/render/trace.c; then
-    echo "✅ T007-T008: Fallback logic correctly implemented in trace.c"
-else
-    echo "❌ T007-T008 FAIL: Fallback logic not correct"
-    exit 1
-fi
-
-# T009: Verify norminette
-echo ""
-echo "T009: Running norminette..."
-if norminette src/render/render_state.c src/render/trace.c > /dev/null 2>&1; then
-    echo "✅ T009: Norminette check passed"
-else
-    echo "❌ T009 FAIL: Norminette errors found"
-    exit 1
-fi
-
-# T010: Verify build
-echo ""
-echo "T010: Testing build..."
-if make re > /dev/null 2>&1; then
-    echo "✅ T010: Build successful"
-else
-    echo "❌ T010 FAIL: Build failed"
-    exit 1
-fi
-
-# T013-T020: Test with simple scene
-echo ""
-echo "T013-T020: Testing scene loading..."
-if [ ! -f "scenes/valid/valid_smoke_simple.rt" ]; then
-    echo "⚠️  Warning: valid_smoke_simple.rt not found, using perf_all_objects.rt"
-    TEST_SCENE="scenes/perf/perf_all_objects.rt"
-else
-    TEST_SCENE="scenes/valid/valid_smoke_simple.rt"
-fi
-
-# Test that program can start with a scene (will timeout, but that's expected for GUI)
-timeout 2 ./miniRT "$TEST_SCENE" > /dev/null 2>&1
-EXIT_CODE=$?
-
-if [ $EXIT_CODE -eq 124 ]; then
-    # Timeout is expected for GUI application
-    echo "✅ T011-T020: Program starts and loads scene successfully"
-    echo "   (Timed out as expected - GUI application)"
-elif [ $EXIT_CODE -eq 0 ]; then
-    echo "✅ T011-T020: Program executed successfully"
-else
-    echo "❌ T011-T020 FAIL: Program crashed or failed (exit code: $EXIT_CODE)"
-    exit 1
-fi
-
-echo ""
-echo "=== Summary ==="
-echo "✅ Phase 1: Setup & Diagnosis - Complete"
-echo "✅ Phase 2: Core BVH Fixes - Complete"
-echo "✅ Phase 3: Basic Rendering Tests - Complete"
-echo ""
-echo "Core fixes successfully implemented:"
-echo "  1. BVH enabled by default (render_state.c:37)"
-echo "  2. Fallback logic added to trace_ray() (trace.c:159-172)"
-echo "  3. Norminette compliant"
-echo "  4. Build successful"
-echo "  5. Scene loading verified"
-echo ""
-echo "Next steps:"
-echo "  - Run with X11 display to visually verify rendering"
-echo "  - Test BVH toggle functionality if implemented"
-echo "  - Test with complex scenes for performance validation"
-echo ""
-echo "✅ BVH FIX VALIDATION PASSED"
diff --git a/scripts/validate_cleanup.sh b/scripts/validate_cleanup.sh
deleted file mode 100755
index 2f7ac79..0000000
--- a/scripts/validate_cleanup.sh
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/bin/bash
-# Validation script for behavior preservation testing
-# Created as part of 012-code-cleanup-refactor feature
-
-set -e
-
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
-SCENES_DIR="$PROJECT_ROOT/scenes"
-BASELINE_DIR="/tmp/minirt_baseline"
-CURRENT_DIR="/tmp/minirt_current"
-
-echo "=== MiniRT Cleanup Validation Script ==="
-echo "Project Root: $PROJECT_ROOT"
-echo ""
-
-# Function to render all scenes and save output
-render_scenes() {
-    local output_dir="$1"
-    mkdir -p "$output_dir"
-    
-    echo "Rendering scenes to: $output_dir"
-    
-    for scene in "$SCENES_DIR"/*.rt; do
-        if [ -f "$scene" ]; then
-            scene_name=$(basename "$scene" .rt)
-            echo "  - Rendering $scene_name..."
-            # Note: This would need actual screenshot/comparison logic
-            # For now, just verify the program runs without crash
-            timeout 2s "$PROJECT_ROOT/miniRT" "$scene" > "$output_dir/${scene_name}.log" 2>&1 || true
-        fi
-    done
-    
-    echo "Rendering complete."
-}
-
-# Function to compare baseline vs current
-compare_results() {
-    echo ""
-    echo "=== Comparison Results ==="
-    
-    if [ ! -d "$BASELINE_DIR" ]; then
-        echo "ERROR: No baseline directory found. Run with 'baseline' argument first."
-        return 1
-    fi
-    
-    local differences=0
-    
-    for baseline_log in "$BASELINE_DIR"/*.log; do
-        scene_name=$(basename "$baseline_log")
-        current_log="$CURRENT_DIR/$scene_name"
-        
-        if [ ! -f "$current_log" ]; then
-            echo "  ✗ MISSING: $scene_name"
-            differences=$((differences + 1))
-            continue
-        fi
-        
-        # Simple log comparison (in practice, would compare images)
-        if diff -q "$baseline_log" "$current_log" > /dev/null 2>&1; then
-            echo "  ✓ PASS: $scene_name"
-        else
-            echo "  ✗ DIFF: $scene_name"
-            differences=$((differences + 1))
-        fi
-    done
-    
-    echo ""
-    if [ $differences -eq 0 ]; then
-        echo "✓ All scenes match baseline - behavior preserved!"
-        return 0
-    else
-        echo "✗ $differences scene(s) differ from baseline"
-        return 1
-    fi
-}
-
-# Main execution
-case "${1:-test}" in
-    baseline)
-        echo "Creating baseline..."
-        make -C "$PROJECT_ROOT" > /dev/null
-        render_scenes "$BASELINE_DIR"
-        echo ""
-        echo "✓ Baseline created successfully in $BASELINE_DIR"
-        ;;
-    
-    test)
-        echo "Testing current implementation..."
-        make -C "$PROJECT_ROOT" > /dev/null
-        render_scenes "$CURRENT_DIR"
-        compare_results
-        ;;
-    
-    clean)
-        echo "Cleaning validation data..."
-        rm -rf "$BASELINE_DIR" "$CURRENT_DIR"
-        echo "✓ Cleaned"
-        ;;
-    
-    *)
-        echo "Usage: $0 {baseline|test|clean}"
-        echo ""
-        echo "  baseline - Create baseline rendering results"
-        echo "  test     - Test current implementation against baseline"
-        echo "  clean    - Remove validation data"
-        exit 1
-        ;;
-esac
diff --git a/scripts/verify_release.sh b/scripts/verify_release.sh
deleted file mode 100755
index ad0eda6..0000000
--- a/scripts/verify_release.sh
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/bash
-
-# miniRT Release Gate Verification Script
-# 릴리즈 게이트 체크리스트 자동 검증 스크립트
-
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[1;33m'
-BLUE='\033[0;34m'
-NC='\033[0m'
-
-PASSED=0
-FAILED=0
-WARNINGS=0
-
-echo -e "${BLUE}========================================${NC}"
-echo -e "${BLUE}miniRT Release Gate Verification${NC}"
-echo -e "${BLUE}========================================${NC}\n"
-
-print_status() {
-    if [ $1 -eq 0 ]; then
-        echo -e "${GREEN}✓ PASSED${NC}: $2"
-        ((PASSED++))
-    else
-        echo -e "${RED}✗ FAILED${NC}: $2"
-        ((FAILED++))
-    fi
-}
-
-print_warning() {
-    echo -e "${YELLOW}⚠ WARNING${NC}: $1"
-    ((WARNINGS++))
-}
-
-# 1. Build System
-echo -e "\n${BLUE}[1] Build System${NC}"
-make re > /dev/null 2>&1 && print_status 0 "Build success" || print_status 1 "Build failed"
-[ -f "miniRT" ] && print_status 0 "Executable exists" || print_status 1 "No executable"
-
-# 2. Norminette
-echo -e "\n${BLUE}[2] Norminette${NC}"
-if command -v norminette &> /dev/null; then
-    norminette src/ includes/ 2>&1 | grep -q "Error" && print_status 1 "Norminette errors" || print_status 0 "Norminette OK"
-else
-    print_warning "norminette not installed"
-fi
-
-# 3. 42 Header
-echo -e "\n${BLUE}[3] 42 Headers${NC}"
-HEADERS=$(find src includes -name "*.c" -o -name "*.h" | xargs grep -l "/\* \*\*\*" | wc -l)
-TOTAL=$(find src includes -name "*.c" -o -name "*.h" | wc -l)
-[ $HEADERS -eq $TOTAL ] && print_status 0 "All headers present ($HEADERS/$TOTAL)" || print_status 1 "Missing headers ($HEADERS/$TOTAL)"
-
-# Summary
-echo -e "\n${BLUE}========================================${NC}"
-echo -e "${GREEN}Passed: $PASSED${NC} | ${RED}Failed: $FAILED${NC} | ${YELLOW}Warnings: $WARNINGS${NC}"
-[ $FAILED -eq 0 ] && echo -e "${GREEN}✓ PASSED${NC}" || echo -e "${RED}✗ FAILED${NC}"
diff --git a/tests/baselines/metadata.json b/tests/baselines/metadata.json
deleted file mode 100644
index 07724d9..0000000
--- a/tests/baselines/metadata.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "generated_at": "2026-01-14T11:35:15Z",
-  "commit_hash": "8428e3fddaf54acc72a6de13570a28a3a2afc45a",
-  "branch": "016-compliance-refactoring",
-  "miniRT_version": "1.0.0",
-  "scene_count": 43,
-  "note": "Baseline captured before compliance refactoring - miniRT is GUI-based, visual validation will be manual during implementation",
-  "validation_method": "Build success + norminette + memory checks + manual visual verification"
-}
diff --git a/tests/test_shadow_calc b/tests/test_shadow_calc
deleted file mode 100755
index 7071be1..0000000
Binary files a/tests/test_shadow_calc and /dev/null differ
diff --git a/tests/test_shadow_calc.c b/tests/test_shadow_calc.c
deleted file mode 100644
index b390655..0000000
--- a/tests/test_shadow_calc.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   test_shadow_calc.c                                 :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: miniRT team <miniRT@42.fr>                +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2025/12/17 00:00:00 by miniRT           #+#    #+#             */
-/*   Updated: 2025/12/17 00:00:00 by miniRT          ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "shadow.h"
-#include "vec3.h"
-#include <stdio.h>
-#include <assert.h>
-#include <math.h>
-
-void	test_shadow_bias_perpendicular(void)
-{
-	t_vec3	normal;
-	t_vec3	light_dir;
-	double	bias;
-
-	printf("Testing shadow bias - perpendicular (90°)...\n");
-	normal.x = 0.0;
-	normal.y = 1.0;
-	normal.z = 0.0;
-	light_dir.x = 0.0;
-	light_dir.y = 1.0;
-	light_dir.z = 0.0;
-	bias = calculate_shadow_bias(normal, light_dir, 0.001);
-	assert(bias >= 0.001 && bias <= 0.0015);
-	printf("✓ Perpendicular angle test passed (bias: %f)\n", bias);
-}
-
-void	test_shadow_bias_parallel(void)
-{
-	t_vec3	normal;
-	t_vec3	light_dir;
-	double	bias;
-
-	printf("Testing shadow bias - parallel (0°)...\n");
-	normal.x = 0.0;
-	normal.y = 1.0;
-	normal.z = 0.0;
-	light_dir.x = 1.0;
-	light_dir.y = 0.0;
-	light_dir.z = 0.0;
-	bias = calculate_shadow_bias(normal, light_dir, 0.001);
-	assert(bias >= 0.002);
-	printf("✓ Parallel angle test passed (bias: %f)\n", bias);
-}
-
-void	test_shadow_bias_45_degree(void)
-{
-	t_vec3	normal;
-	t_vec3	light_dir;
-	double	bias;
-	double	sqrt2;
-
-	printf("Testing shadow bias - 45° angle...\n");
-	sqrt2 = sqrt(2.0);
-	normal.x = 0.0;
-	normal.y = 1.0;
-	normal.z = 0.0;
-	light_dir.x = sqrt2 / 2.0;
-	light_dir.y = sqrt2 / 2.0;
-	light_dir.z = 0.0;
-	bias = calculate_shadow_bias(normal, light_dir, 0.001);
-	assert(bias > 0.001 && bias < 0.003);
-	printf("✓ 45° angle test passed (bias: %f)\n", bias);
-}
-
-int	main(void)
-{
-	printf("\n=== Shadow Calculation Unit Tests ===\n\n");
-	test_shadow_bias_perpendicular();
-	test_shadow_bias_parallel();
-	test_shadow_bias_45_degree();
-	printf("\n=== Shadow bias tests passed! ===\n\n");
-	return (0);
-}
diff --git a/tests/test_shadow_config b/tests/test_shadow_config
deleted file mode 100755
index 6c322b0..0000000
Binary files a/tests/test_shadow_config and /dev/null differ