diff --git a/bin/analyze.sh b/bin/analyze.sh
index f6f7edd..4518aba 100755
--- a/bin/analyze.sh
+++ b/bin/analyze.sh
@@ -40,6 +40,7 @@ declare VIEW_MODE="overview"  # overview, detail, files
 # Cleanup on exit
 cleanup() {
     show_cursor
+    # Cleanup temp files using glob pattern (analyze uses many temp files)
     rm -f "$TEMP_PREFIX"* 2>/dev/null || true
     if [[ -n "$SCAN_PID" ]] && kill -0 "$SCAN_PID" 2>/dev/null; then
         kill "$SCAN_PID" 2>/dev/null || true
@@ -252,7 +253,8 @@ perform_scan() {
     SCAN_PID=$!
 
     # Show spinner with progress while scanning
-    local spinner_chars="⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏"
+    local spinner_chars
+    spinner_chars="$(mo_spinner_chars)"
     local i=0
     local elapsed=0
     hide_cursor
@@ -1245,15 +1247,11 @@ scan_directory_contents_fast() {
     local max_items="${3:-16}"
     local show_progress="${4:-true}"
 
-    # Auto-detect optimal parallel jobs - more aggressive
-    local num_jobs=12
-    if command -v sysctl &>/dev/null; then
-        local cpu_cores=$(sysctl -n hw.ncpu 2>/dev/null || echo 12)
-        # Use more parallel jobs for better I/O utilization
-        num_jobs=$((cpu_cores * 2))
-        [[ $num_jobs -gt 24 ]] && num_jobs=24
-        [[ $num_jobs -lt 12 ]] && num_jobs=12
-    fi
+    # Auto-detect optimal parallel jobs using common function
+    local num_jobs=$(get_optimal_parallel_jobs "io")
+    # Cap at reasonable limits for I/O operations
+    [[ $num_jobs -gt 24 ]] && num_jobs=24
+    [[ $num_jobs -lt 12 ]] && num_jobs=12
 
     local temp_dirs="$output_file.dirs"
     local temp_files="$output_file.files"
@@ -1262,7 +1260,7 @@ scan_directory_contents_fast() {
     if [[ "$show_progress" == "true" ]]; then
         printf "\033[?25l\033[H\033[J" >&2
         echo "" >&2
-        printf "  ${BLUE}📊 ⠋ Scanning...${NC}\r" >&2
+        printf "  ${BLUE}📊 | Scanning...${NC}\r" >&2
     fi
 
     # Ultra-fast file scanning - batch stat for maximum speed
@@ -1311,14 +1309,27 @@ scan_directory_contents_fast() {
 
     # Show progress while waiting
     if [[ "$show_progress" == "true" ]]; then
-        local spinner=('⠋' '⠙' '⠹' '⠸' '⠼' '⠴' '⠦' '⠧' '⠇' '⠏')
+        local -a spinner=()
+        if [[ -n "${MO_SPINNER_CHARS_ARRAY:-}" ]]; then
+            read -r -a spinner <<< "${MO_SPINNER_CHARS_ARRAY}"
+        else
+            local spinner_chars
+            spinner_chars="$(mo_spinner_chars)"
+            local chars_len=${#spinner_chars}
+            for ((idx=0; idx<chars_len; idx++)); do
+                spinner+=("${spinner_chars:idx:1}")
+            done
+        fi
+        [[ ${#spinner[@]} -eq 0 ]] && spinner=('|' '/' '-' '\\')
         local i=0
         local max_wait=30  # Reduced to 30 seconds (fast fail)
         local elapsed=0
         local tick=0
+        local spin_len=${#spinner[@]}
+        (( spin_len == 0 )) && spinner=('|' '/' '-' '\\') && spin_len=${#spinner[@]}
 
         while ( kill -0 "$dir_pid" 2>/dev/null || kill -0 "$file_pid" 2>/dev/null ); do
-            printf "\r  ${BLUE}📊 ${spinner[$((i % 10))]} Scanning... (%ds)${NC}" "$elapsed" >&2
+            printf "\r  ${BLUE}📊 ${spinner[$((i % spin_len))]} Scanning... (%ds)${NC}" "$elapsed" >&2
             ((i++))
             sleep 0.1  # Faster animation (100ms per frame)
             ((tick++))
diff --git a/bin/clean.sh b/bin/clean.sh
index 0370022..2fb84a5 100755
--- a/bin/clean.sh
+++ b/bin/clean.sh
@@ -189,8 +189,8 @@ safe_clean() {
 
     # Show progress indicator for potentially slow operations
     if [[ ${#existing_paths[@]} -gt 3 ]]; then
-        [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Checking $description with whitelist safety...\r"
-        local temp_dir=$(mktemp -d)
+        if [[ -t 1 ]]; then MOLE_SPINNER_PREFIX="  " start_inline_spinner "Checking items with whitelist safety..."; fi
+        local temp_dir=$(create_temp_dir)
 
         # Parallel processing (bash 3.2 compatible)
         local -a pids=()
@@ -235,10 +235,10 @@ safe_clean() {
             ((idx++))
         done
 
-        rm -rf "$temp_dir"
+        # Temp dir will be auto-cleaned by cleanup_temp_files
     else
         # Show progress for small batches too (simpler jobs)
-        [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Checking $description with whitelist safety...\r"
+        if [[ -t 1 ]]; then MOLE_SPINNER_PREFIX="  " start_inline_spinner "Checking items with whitelist safety..."; fi
 
         for path in "${existing_paths[@]}"; do
             local size_bytes=$(du -sk "$path" 2>/dev/null | awk '{print $1}' || echo "0")
@@ -255,18 +255,12 @@ safe_clean() {
         done
     fi
 
-    # Clear progress indicator before showing result
-    [[ -t 1 ]] && echo -ne "\r\033[K"
+    # Clear progress / stop spinner before showing result
+    if [[ -t 1 ]]; then stop_inline_spinner; echo -ne "\r\033[K"; fi
 
     if [[ $removed_any -eq 1 ]]; then
-        local size_human
-        if [[ $total_size_bytes -gt $SIZE_1GB_KB ]]; then  # > 1GB
-            size_human=$(echo "$total_size_bytes" | awk '{printf "%.1fGB", $1/1024/1024}')
-        elif [[ $total_size_bytes -gt $SIZE_1MB_KB ]]; then  # > 1MB
-            size_human=$(echo "$total_size_bytes" | awk '{printf "%.1fMB", $1/1024}')
-        else
-            size_human="${total_size_bytes}KB"
-        fi
+        # Convert KB to bytes for bytes_to_human()
+        local size_human=$(bytes_to_human "$((total_size_bytes * 1024))")
 
         local label="$description"
         if [[ ${#targets[@]} -gt 1 ]]; then
@@ -306,11 +300,7 @@ start_cleanup() {
     fi
 
     if [[ -t 0 ]]; then
-        printf '\n'
-        echo -e "${BLUE}System cleanup? Password to include (Enter skips)${NC}"
-        printf "${BLUE}> ${NC}"
-        read -s password
-        echo ""
+        echo -ne "${BLUE}System cleanup? Password to include (Enter skips)${NC}\n${BLUE}> ${NC}"; read -s password; echo ""
 
         if [[ -n "$password" ]] && echo "$password" | sudo -S true 2>/dev/null; then
             SYSTEM_CLEAN=true
@@ -522,10 +512,7 @@ perform_cleanup() {
     # Node.js ecosystem
     if command -v npm >/dev/null 2>&1; then
         if [[ "$DRY_RUN" != "true" ]]; then
-            [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Cleaning npm cache...\r"
-            npm cache clean --force >/dev/null 2>&1 || true
-            [[ -t 1 ]] && echo -ne "\r\033[K"
-            echo -e "  ${GREEN}✓${NC} npm cache cleaned"
+            clean_tool_cache "npm cache" npm cache clean --force
         else
             echo -e "  ${YELLOW}→${NC} npm cache (would clean)"
         fi
@@ -540,10 +527,7 @@ perform_cleanup() {
     # Python ecosystem
     if command -v pip3 >/dev/null 2>&1; then
         if [[ "$DRY_RUN" != "true" ]]; then
-            [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Cleaning pip cache...\r"
-            pip3 cache purge >/dev/null 2>&1 || true
-            [[ -t 1 ]] && echo -ne "\r\033[K"
-            echo -e "  ${GREEN}✓${NC} pip cache cleaned"
+            clean_tool_cache "pip cache" pip3 cache purge
         else
             echo -e "  ${YELLOW}→${NC} pip cache (would clean)"
         fi
@@ -557,11 +541,7 @@ perform_cleanup() {
     # Go ecosystem
     if command -v go >/dev/null 2>&1; then
         if [[ "$DRY_RUN" != "true" ]]; then
-            [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Cleaning Go cache...\r"
-            go clean -modcache >/dev/null 2>&1 || true
-            go clean -cache >/dev/null 2>&1 || true
-            [[ -t 1 ]] && echo -ne "\r\033[K"
-            echo -e "  ${GREEN}✓${NC} Go cache cleaned"
+            clean_tool_cache "Go cache" bash -c 'go clean -modcache >/dev/null 2>&1 || true; go clean -cache >/dev/null 2>&1 || true'
         else
             echo -e "  ${YELLOW}→${NC} Go cache (would clean)"
         fi
@@ -577,10 +557,7 @@ perform_cleanup() {
     # Docker (only clean build cache, preserve images and volumes)
     if command -v docker >/dev/null 2>&1; then
         if [[ "$DRY_RUN" != "true" ]]; then
-            [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Cleaning Docker build cache...\r"
-            docker builder prune -af >/dev/null 2>&1 || true
-            [[ -t 1 ]] && echo -ne "\r\033[K"
-            echo -e "  ${GREEN}✓${NC} Docker build cache cleaned"
+            clean_tool_cache "Docker build cache" docker builder prune -af
         else
             echo -e "  ${YELLOW}→${NC} Docker build cache (would clean)"
         fi
@@ -602,10 +579,7 @@ perform_cleanup() {
     safe_clean /usr/local/var/homebrew/locks/* "Homebrew lock files (Intel)"
     if command -v brew >/dev/null 2>&1; then
         if [[ "$DRY_RUN" != "true" ]]; then
-            [[ -t 1 ]] && echo -ne "  ${BLUE}◎${NC} Cleaning Homebrew...\r"
-            brew cleanup >/dev/null 2>&1 || true
-            [[ -t 1 ]] && echo -ne "\r\033[K"
-            echo -e "  ${GREEN}✓${NC} Homebrew cache cleaned"
+            clean_tool_cache "Homebrew cleanup" brew cleanup
         else
             echo -e "  ${YELLOW}→${NC} Homebrew (would cleanup)"
         fi
@@ -965,10 +939,10 @@ perform_cleanup() {
     local -r ORPHAN_AGE_THRESHOLD=$ORPHAN_AGE_DAYS
 
     # Build a comprehensive list of installed application bundle identifiers
-    echo -n "  ${BLUE}◎${NC} Scanning installed applications..."
-    local installed_bundles=$(mktemp)
-    local running_bundles=$(mktemp)
-    local launch_agents=$(mktemp)
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning installed applications..." # ensure spinner function exists above
+    local installed_bundles=$(create_temp_file)
+    local running_bundles=$(create_temp_file)
+    local launch_agents=$(create_temp_file)
 
     # Scan multiple possible application locations to avoid false positives
     local -a search_paths=(
@@ -1035,7 +1009,8 @@ perform_cleanup() {
     mv "${installed_bundles}.final" "$installed_bundles"
 
     local app_count=$(wc -l < "$installed_bundles" | tr -d ' ')
-    echo "  ${GREEN}✓${NC} Found $app_count active/installed apps"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $app_count active/installed apps"
 
     # Track statistics
     local orphaned_count=0
@@ -1093,7 +1068,7 @@ perform_cleanup() {
     }
 
     # Clean orphaned caches
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned caches..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned caches..."
     local cache_found=0
     if ls ~/Library/Caches/com.* >/dev/null 2>&1; then
         for cache_dir in ~/Library/Caches/com.* ~/Library/Caches/org.* ~/Library/Caches/net.* ~/Library/Caches/io.*; do
@@ -1109,10 +1084,11 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $cache_found orphaned caches"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $cache_found orphaned caches"
 
     # Clean orphaned logs
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned logs..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned logs..."
     local logs_found=0
     if ls ~/Library/Logs/com.* >/dev/null 2>&1; then
         for log_dir in ~/Library/Logs/com.* ~/Library/Logs/org.* ~/Library/Logs/net.* ~/Library/Logs/io.*; do
@@ -1128,10 +1104,11 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $logs_found orphaned log directories"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $logs_found orphaned log directories"
 
     # Clean orphaned saved states
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned saved states..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned saved states..."
     local states_found=0
     if ls ~/Library/Saved\ Application\ State/*.savedState >/dev/null 2>&1; then
         for state_dir in ~/Library/Saved\ Application\ State/*.savedState; do
@@ -1147,14 +1124,15 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $states_found orphaned saved states"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $states_found orphaned saved states"
 
     # Clean orphaned containers
     # NOTE: Container cleanup is DISABLED by default due to naming mismatch issues
     # Some apps create containers with names that don't strictly match their Bundle ID,
     # especially when system extensions are registered. This can cause false positives.
     # To avoid deleting data from installed apps, we skip container cleanup.
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned containers..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned containers..."
     local containers_found=0
     if ls ~/Library/Containers/com.* >/dev/null 2>&1; then
         # Count potential orphaned containers but don't delete them
@@ -1171,10 +1149,11 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${BLUE}○${NC} Skipped $containers_found potential orphaned containers"
+    stop_inline_spinner
+    echo -e "  ${BLUE}○${NC} Skipped $containers_found potential orphaned containers"
 
     # Clean orphaned WebKit data
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned WebKit data..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned WebKit data..."
     local webkit_found=0
     if ls ~/Library/WebKit/com.* >/dev/null 2>&1; then
         for webkit_dir in ~/Library/WebKit/com.* ~/Library/WebKit/org.* ~/Library/WebKit/net.* ~/Library/WebKit/io.*; do
@@ -1190,10 +1169,11 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $webkit_found orphaned WebKit data"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $webkit_found orphaned WebKit data"
 
     # Clean orphaned HTTP storages
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned HTTP storages..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned HTTP storages..."
     local http_found=0
     if ls ~/Library/HTTPStorages/com.* >/dev/null 2>&1; then
         for http_dir in ~/Library/HTTPStorages/com.* ~/Library/HTTPStorages/org.* ~/Library/HTTPStorages/net.* ~/Library/HTTPStorages/io.*; do
@@ -1209,10 +1189,11 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $http_found orphaned HTTP storages"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $http_found orphaned HTTP storages"
 
     # Clean orphaned cookies
-    echo -n "  ${BLUE}◎${NC} Scanning orphaned cookies..."
+    MOLE_SPINNER_PREFIX="  " start_inline_spinner "Scanning orphaned cookies..."
     local cookies_found=0
     if ls ~/Library/Cookies/*.binarycookies >/dev/null 2>&1; then
         for cookie_file in ~/Library/Cookies/*.binarycookies; do
@@ -1228,7 +1209,8 @@ perform_cleanup() {
             fi
         done
     fi
-    echo "  ${GREEN}✓${NC} Found $cookies_found orphaned cookie files"
+    stop_inline_spinner
+    echo -e "  ${GREEN}✓${NC} Found $cookies_found orphaned cookie files"
 
     # Calculate total
     orphaned_count=$((cache_found + logs_found + states_found + containers_found + webkit_found + http_found + cookies_found))
@@ -1309,40 +1291,15 @@ perform_cleanup() {
     fi
 
     if [[ $files_cleaned -gt 0 && $total_items -gt 0 ]]; then
-        echo "📊 Files cleaned: $files_cleaned | Categories processed: $total_items"
+        printf "📊 Files cleaned: %s | Categories processed: %s\n" "$files_cleaned" "$total_items"
     elif [[ $files_cleaned -gt 0 ]]; then
-        echo "📊 Files cleaned: $files_cleaned"
+        printf "📊 Files cleaned: %s\n" "$files_cleaned"
     elif [[ $total_items -gt 0 ]]; then
-        echo "🗂️ Categories processed: $total_items"
+        printf "🗂️ Categories processed: %s\n" "$total_items"
     fi
-
-    # Show context-specific tips
-    echo ""
-    if [[ "$DRY_RUN" == "true" ]]; then
-        echo -e "${BLUE}💡 Tip: Use 'mo clean --whitelist' to protect important caches${NC}"
-    elif [[ "$SYSTEM_CLEAN" != "true" ]]; then
-        echo -e "${BLUE}💡 Tip: Run with admin password for deeper system cleanup${NC}"
-    fi
-
-    echo "===================================================================="
+    printf "====================================================================\n"
 }
 
-# Cleanup function - restore cursor on exit
-cleanup() {
-    # Restore cursor
-    show_cursor
-    # Kill any background processes
-    if [[ -n "${SUDO_KEEPALIVE_PID:-}" ]]; then
-        kill "$SUDO_KEEPALIVE_PID" 2>/dev/null || true
-    fi
-    if [[ -n "${SPINNER_PID:-}" ]]; then
-        kill "$SPINNER_PID" 2>/dev/null || true
-    fi
-    exit "${1:-0}"
-}
-
-# Set trap for cleanup on exit
-trap cleanup EXIT INT TERM
 
 main() {
     # Parse args (only dry-run and help for minimal impact)
@@ -1372,8 +1329,8 @@ main() {
         esac
     done
 
-    hide_cursor
     start_cleanup
+    hide_cursor
     perform_cleanup
     show_cursor
 }
diff --git a/bin/uninstall.sh b/bin/uninstall.sh
index fd5758b..9eb1d46 100755
--- a/bin/uninstall.sh
+++ b/bin/uninstall.sh
@@ -122,8 +122,9 @@ scan_applications() {
         fi
     fi
 
-    local temp_file=$(mktemp)
+    local temp_file=$(mktemp_file)
 
+    echo "" >&2  # Add space before scanning output without breaking stdout return
     # Pre-cache current epoch to avoid repeated calls
     local current_epoch=$(date "+%s")
 
@@ -320,13 +321,19 @@ scan_applications() {
     fi
 
     # Sort by last used (oldest first) and cache the result
-    sort -t'|' -k1,1n "$temp_file" > "${temp_file}.sorted"
+    sort -t'|' -k1,1n "$temp_file" > "${temp_file}.sorted" || { rm -f "$temp_file"; return 1; }
     rm -f "$temp_file"
 
     # Update cache with app count metadata
     cp "${temp_file}.sorted" "$cache_file" 2>/dev/null || true
     echo "$current_app_count" > "$cache_meta" 2>/dev/null || true
-    echo "${temp_file}.sorted"
+    
+    # Verify sorted file exists before returning
+    if [[ -f "${temp_file}.sorted" ]]; then
+        echo "${temp_file}.sorted"
+    else
+        return 1
+    fi
 }
 
 # Load applications into arrays
@@ -379,7 +386,6 @@ uninstall_applications() {
         IFS='|' read -r epoch app_path app_name bundle_id size last_used <<< "$selected_app"
 
         echo ""
-        log_info "Processing: $app_name"
 
         # Check if app is running
         if pgrep -f "$app_name" >/dev/null 2>&1; then
@@ -475,7 +481,7 @@ uninstall_applications() {
 
             log_success "$app_name uninstalled successfully"
         else
-            log_info "Skipped $app_name"
+            echo -e "  ${BLUE}❂${NC} Skipped $app_name"
         fi
     done
 
@@ -518,6 +524,7 @@ main() {
     local apps_file=$(scan_applications)
 
     if [[ ! -f "$apps_file" ]]; then
+        echo ""
         log_error "Failed to scan applications"
         return 1
     fi
@@ -537,20 +544,26 @@ main() {
     # Restore cursor and show a concise summary before confirmation
     show_cursor
     clear
-    printf '\n'
     local selection_count=${#selected_apps[@]}
-    echo -e "${PURPLE}🗑️  Selected ${selection_count} app(s)${NC}"
-
-    if [[ $selection_count -gt 0 ]]; then
-        for selected_app in "${selected_apps[@]}"; do
-            IFS='|' read -r epoch app_path app_name bundle_id size last_used <<< "$selected_app"
-            echo "  • $app_name ($size)"
-        done
-    else
-        echo -e "${GRAY}No apps chosen.${NC}"
+    if [[ $selection_count -eq 0 ]]; then
+        echo "No apps selected"; rm -f "$apps_file"; return 0
     fi
+    # Compact one-line summary (list up to 3 names, aggregate rest)
+    local names=()
+    local idx=0
+    for selected_app in "${selected_apps[@]}"; do
+        IFS='|' read -r epoch app_path app_name bundle_id size last_used <<< "$selected_app"
+        if (( idx < 3 )); then
+            names+=("${app_name}(${size})")
+        fi
+        ((idx++))
+    done
+    local extra=$((selection_count-3))
+    local list="${names[*]}"
+    [[ $extra -gt 0 ]] && list+=" +${extra}"
+    echo "◎ ${selection_count} apps: ${list}"
 
-    # Execute batch uninstallation, confirmation handled in batch_uninstall_applications
+    # Execute batch uninstallation (handles confirmation)
     batch_uninstall_applications
 
     # Cleanup
diff --git a/install.sh b/install.sh
index 986eaad..8b8f99c 100755
--- a/install.sh
+++ b/install.sh
@@ -10,6 +10,18 @@ BLUE='\033[0;34m'
 YELLOW='\033[1;33m'
 RED='\033[0;31m'
 NC='\033[0m'
+ 
+# Simple spinner
+_SPINNER_PID=""
+start_line_spinner() {
+    local msg="$1"; [[ ! -t 1 ]] && { echo -e "${BLUE}|${NC} $msg"; return; }
+    local chars="${MO_SPINNER_CHARS:-|/-\\}"; [[ -z "$chars" ]] && chars='|/-\\'
+    local i=0
+    ( while true; do c="${chars:$((i % ${#chars})):1}"; printf "\r  ${BLUE}%s${NC} %s" "$c" "$msg"; ((i++)); sleep 0.12; done ) &
+    _SPINNER_PID=$!
+}
+stop_line_spinner() { if [[ -n "$_SPINNER_PID" ]]; then kill "$_SPINNER_PID" 2>/dev/null || true; wait "$_SPINNER_PID" 2>/dev/null || true; _SPINNER_PID=""; printf "\r"; fi; }
+
 
 # Verbosity (0 = quiet, 1 = verbose)
 VERBOSE=1
@@ -81,14 +93,14 @@ resolve_source_dir() {
 
     # 3) Fallback: fetch repository to a temp directory (works for curl | bash)
     local tmp
-    tmp="$(mktemp -d)"
+    tmp="$(mktemp_dir)"
     # Expand tmp now so trap doesn't depend on local scope
     trap "rm -rf '$tmp'" EXIT
 
-    echo -e "${BLUE}◎${NC} Fetching Mole source..."
+    start_line_spinner "Fetching Mole source..."
     if command -v curl >/dev/null 2>&1; then
-        # Download main branch tarball
         if curl -fsSL -o "$tmp/mole.tar.gz" "https://github.com/tw93/mole/archive/refs/heads/main.tar.gz"; then
+            stop_line_spinner
             tar -xzf "$tmp/mole.tar.gz" -C "$tmp"
             # Extracted folder name: mole-main
             if [[ -d "$tmp/mole-main" ]]; then
@@ -97,14 +109,17 @@ resolve_source_dir() {
             fi
         fi
     fi
+    stop_line_spinner
 
-    # 4) Fallback to git if available
+    start_line_spinner "Cloning Mole source..."
     if command -v git >/dev/null 2>&1; then
         if git clone --depth=1 https://github.com/tw93/mole.git "$tmp/mole" >/dev/null 2>&1; then
+            stop_line_spinner
             SOURCE_DIR="$tmp/mole"
             return 0
         fi
     fi
+    stop_line_spinner
 
     log_error "Failed to fetch source files. Ensure curl or git is available."
     exit 1
@@ -223,9 +238,7 @@ install_files() {
 
     # Copy main executable when destination differs
     if [[ -f "$SOURCE_DIR/mole" ]]; then
-        if [[ "$source_dir_abs" == "$install_dir_abs" ]]; then
-            log_info "Mole binary already present in $INSTALL_DIR"
-        else
+        if [[ "$source_dir_abs" != "$install_dir_abs" ]]; then
             if [[ "$INSTALL_DIR" == "/usr/local/bin" ]] && [[ ! -w "$INSTALL_DIR" ]]; then
                 sudo cp "$SOURCE_DIR/mole" "$INSTALL_DIR/mole"
                 sudo chmod +x "$INSTALL_DIR/mole"
@@ -428,9 +441,7 @@ uninstall_mole() {
             echo "  $CONFIG_DIR"
         else
             echo ""
-            read -p "Remove configuration directory $CONFIG_DIR? (y/N): " -n 1 -r
-            echo
-            if [[ $REPLY =~ ^[Yy]$ ]]; then
+            read -p "Remove configuration directory $CONFIG_DIR? (y/N): " -n 1 -r; echo ""; if [[ $REPLY =~ ^[Yy]$ ]]; then
                 rm -rf "$CONFIG_DIR"
                 log_success "Removed configuration directory"
             else
@@ -476,10 +487,10 @@ perform_update() {
             update_via_homebrew "$VERSION"
         else
             # Fallback: inline implementation
-            echo -e "${BLUE}◎${NC} Updating Homebrew..."
+            echo -e "${BLUE}|${NC} Updating Homebrew..."
             brew update 2>&1 | grep -Ev "^(==>|Already up-to-date)" || true
 
-            echo -e "${BLUE}◎${NC} Upgrading Mole..."
+            echo -e "${BLUE}|${NC} Upgrading Mole..."
             local upgrade_output
             upgrade_output=$(brew upgrade mole 2>&1) || true
 
diff --git a/lib/batch_uninstall.sh b/lib/batch_uninstall.sh
index 5550401..58832f8 100755
--- a/lib/batch_uninstall.sh
+++ b/lib/batch_uninstall.sh
@@ -1,5 +1,11 @@
 #!/bin/bash
 
+set -euo pipefail
+
+# Ensure common.sh is loaded
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+[[ -z "${MOLE_COMMON_LOADED:-}" ]] && source "$SCRIPT_DIR/lib/common.sh"
+
 # Batch uninstall functionality with minimal confirmations
 # Replaces the overly verbose individual confirmation approach
 # Note: find_app_files() and calculate_total_size() functions now in lib/common.sh
@@ -20,18 +26,9 @@ batch_uninstall_applications() {
     local -a app_details=()
 
     echo ""
-
-    # Show analyzing message with spinner
-    local spinner_chars="⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏"
-    local spinner_idx=0
-    local analyzed=0
-
+    # Silent analysis without spinner output (avoid visual flicker)
     for selected_app in "${selected_apps[@]}"; do
-        # Update spinner
-        local spinner_char="${spinner_chars:$((spinner_idx % 10)):1}"
-        ((analyzed++))
-        echo -ne "\r🗑️  ${spinner_char} Analyzing... $analyzed/${#selected_apps[@]}" >&2
-        ((spinner_idx++))
+        [[ -z "$selected_app" ]] && continue
         IFS='|' read -r epoch app_path app_name bundle_id size last_used <<< "$selected_app"
 
         # Check if app is running
@@ -57,36 +54,29 @@ batch_uninstall_applications() {
         app_details+=("$app_name|$app_path|$bundle_id|$total_kb|$encoded_files")
     done
 
-    # Clear spinner line
-    echo -ne "\r\033[K" >&2
-
-    # Format size display
-    if [[ $total_estimated_size -gt 1048576 ]]; then
-        local size_display=$(echo "$total_estimated_size" | awk '{printf "%.2fGB", $1/1024/1024}')
-    elif [[ $total_estimated_size -gt 1024 ]]; then
-        local size_display=$(echo "$total_estimated_size" | awk '{printf "%.1fMB", $1/1024}')
-    else
-        local size_display="${total_estimated_size}KB"
-    fi
+    # Format size display (convert KB to bytes for bytes_to_human())
+    local size_display=$(bytes_to_human "$((total_estimated_size * 1024))")
 
     # Request sudo access if needed (do this before confirmation)
     if [[ ${#sudo_apps[@]} -gt 0 ]]; then
-        echo ""
-        echo -e "${YELLOW}🔐 Admin privileges required for: ${BLUE}${sudo_apps[*]}${NC}"
-        echo -e "${BLUE}You will be prompted for your password before proceeding...${NC}"
-        if ! sudo -v; then
-            log_error "Administrator privileges required but not granted"
-            return 1
+        # Check if sudo is already cached
+        if sudo -n true 2>/dev/null; then
+            echo "◎ Admin access confirmed for: ${sudo_apps[*]}"
+        else
+            echo -n "◎ Admin required for: ${sudo_apps[*]}. "
+            if ! sudo -v; then
+                echo ""
+                log_error "Admin access denied"
+                return 1
+            fi
+            echo "✓ Granted"
         fi
-        # Keep sudo alive during the process
+        echo "◎ Gathering targets..."
         (while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null) &
         local sudo_keepalive_pid=$!
-
-        # Append keepalive cleanup to existing traps without overriding them
         local _trap_cleanup_cmd="kill $sudo_keepalive_pid 2>/dev/null || true; wait $sudo_keepalive_pid 2>/dev/null || true"
         for signal in EXIT INT TERM; do
-            local existing_trap
-            existing_trap=$(trap -p "$signal" | awk -F"'" '{print $2}')
+            local existing_trap; existing_trap=$(trap -p "$signal" | awk -F"'" '{print $2}')
             if [[ -n "$existing_trap" ]]; then
                 trap "$existing_trap; $_trap_cleanup_cmd" "$signal"
             else
@@ -96,164 +86,98 @@ batch_uninstall_applications() {
     fi
 
     # Show summary and get batch confirmation
-    printf '\n'
     local app_total=${#selected_apps[@]}
-    echo -e "${YELLOW}📦 Remove ${BLUE}${app_total}${YELLOW} app(s), free about ${GREEN}$size_display${NC}"
     if [[ ${#running_apps[@]} -gt 0 ]]; then
-        echo -e "${YELLOW}⚠️  Will force-quit: ${RED}${running_apps[*]}${NC}"
+        echo -n "${BLUE}◎ Remove ${app_total} app(s) (${size_display}) | Quit: ${running_apps[*]} | Enter=go / ESC=q:${NC} "
+    else
+        echo -n "${BLUE}◎ Remove ${app_total} app(s) (${size_display}) | Enter=go / ESC=q:${NC} "
     fi
-    printf "%b" "${BLUE}Continue? Press Enter to proceed, or q/ESC to cancel:${NC} "
-    local confirm_key=""
-    IFS= read -r -s -n1 confirm_key || confirm_key=""
-    if [[ "$confirm_key" == $'\e' ]]; then
-        while IFS= read -r -s -n1 -t 0 rest; do
-            [[ -z "$rest" || "$rest" == $'\n' ]] && break
-        done
-    fi
-    echo ""
-
-    local cancel=false
-    case "$confirm_key" in
-        ""|$'\n'|$'\r') ;;
-        $'\e'|"q"|"Q") cancel=true ;;
-        *) cancel=true ;;
+    IFS= read -r -s -n1 key || key=""
+    case "$key" in
+        $'\e'|q|Q) echo ""; return 0 ;;
+        ""|$'\n'|$'\r'|y|Y) echo "" ;;
+        *) echo ""; return 0 ;;
     esac
 
-    if [[ "$cancel" == true ]]; then
-        log_info "Uninstallation cancelled"
-        # Clean up sudo keepalive if it was started
-        if [[ -n "${sudo_keepalive_pid:-}" ]]; then
-            kill "$sudo_keepalive_pid" 2>/dev/null || true
-        fi
-        return 0
-    fi
-
-    echo -e "${PURPLE}⚡ Starting uninstallation in 3 seconds...${NC} ${YELLOW}(Press Ctrl+C to abort)${NC}"
-    sleep 1 && echo -e "${PURPLE}⚡ ${BLUE}2${PURPLE}...${NC}"
-    sleep 1 && echo -e "${PURPLE}⚡ ${BLUE}1${PURPLE}...${NC}"
-    sleep 1
-    echo -e "${GREEN}✨ Let's go!${NC}"
+    echo -n "◎ Starting in 3s... 3"; sleep 1; echo -ne "\r◎ Starting in 3s... 2"; sleep 1; echo -ne "\r◎ Starting in 3s... 1"; sleep 1
+    echo -ne "\r\033[K"
+    if [[ -t 1 ]]; then start_inline_spinner "Uninstalling apps..."; fi
 
     # Force quit running apps first (batch)
     if [[ ${#running_apps[@]} -gt 0 ]]; then
-        echo ""
-        log_info "Force quitting running applications..."
-        for app_name in "${running_apps[@]}"; do
-            echo "  • Quitting $app_name..."
-            pkill -f "$app_name" 2>/dev/null || true
-        done
-        echo "  • Waiting 3 seconds for apps to close..."
-        sleep 3
+        pkill -f "${running_apps[0]}" 2>/dev/null || true
+        for app_name in "${running_apps[@]:1}"; do pkill -f "$app_name" 2>/dev/null || true; done
+        sleep 2
+        if pgrep -f "${running_apps[0]}" >/dev/null 2>&1; then sleep 1; fi
     fi
 
-    # Perform uninstallations without individual confirmations
+    # Perform uninstallations (compact output)
+    if [[ -t 1 ]]; then stop_inline_spinner; fi
     echo ""
-    log_info "Starting batch uninstallation..."
-    local success_count=0
-    local failed_count=0
-
+    local success_count=0 failed_count=0
+    local -a failed_items=()
     for detail in "${app_details[@]}"; do
         IFS='|' read -r app_name app_path bundle_id total_kb encoded_files <<< "$detail"
-
-        # Decode the related files list
         local related_files=$(echo "$encoded_files" | base64 -d)
-
-        echo -e "${YELLOW}🗑️  Uninstalling: ${BLUE}$app_name${NC}"
-
-        # Check if app is still running (even after force quit)
-        if pgrep -f "$app_name" >/dev/null 2>&1; then
-            echo -e "  ${YELLOW}⚠️${NC} App is still running, attempting force kill..."
-            pkill -9 -f "$app_name" 2>/dev/null || true
-            sleep 2
-            if pgrep -f "$app_name" >/dev/null 2>&1; then
-                echo -e "  ${RED}✗${NC} Failed to remove $app_name"
-                echo -e "     ${YELLOW}Reason: Application is still running and cannot be terminated${NC}"
-                ((failed_count++))
-                continue
-            fi
-        fi
-
-        # Check if app requires admin privileges to delete
+        local reason=""
         local needs_sudo=false
-        if [[ ! -w "$(dirname "$app_path")" ]] || [[ "$(stat -f%Su "$app_path" 2>/dev/null)" == "root" ]]; then
-            needs_sudo=true
+        [[ ! -w "$(dirname "$app_path")" || "$(stat -f%Su "$app_path" 2>/dev/null)" == "root" ]] && needs_sudo=true
+        if ! force_kill_app "$app_name"; then
+            reason="still running"
         fi
-
-        # Remove the application with appropriate permissions
-        local removal_success=false
-        local error_msg=""
-        if [[ "$needs_sudo" == "true" ]]; then
-            if sudo rm -rf "$app_path" 2>/dev/null; then
-                removal_success=true
-                echo -e "  ${GREEN}✓${NC} Removed application"
+        if [[ -z "$reason" ]]; then
+            if [[ "$needs_sudo" == true ]]; then
+                sudo rm -rf "$app_path" 2>/dev/null || reason="remove failed"
             else
-                error_msg="Failed to remove with sudo (check permissions or SIP protection)"
-            fi
-        else
-            if rm -rf "$app_path" 2>/dev/null; then
-                removal_success=true
-                echo -e "  ${GREEN}✓${NC} Removed application"
-            else
-                error_msg="Failed to remove (check if app is running or protected)"
+                rm -rf "$app_path" 2>/dev/null || reason="remove failed"
             fi
         fi
-
-        if [[ "$removal_success" == "true" ]]; then
-
-            # Remove related files
+        if [[ -z "$reason" ]]; then
             local files_removed=0
             while IFS= read -r file; do
-                if [[ -n "$file" && -e "$file" ]]; then
-                    if rm -rf "$file" 2>/dev/null; then
-                        ((files_removed++))
-                    fi
-                fi
+                [[ -n "$file" && -e "$file" ]] || continue
+                rm -rf "$file" 2>/dev/null && ((files_removed++)) || true
             done <<< "$related_files"
-
-            if [[ $files_removed -gt 0 ]]; then
-                echo -e "  ${GREEN}✓${NC} Cleaned $files_removed related files"
-            fi
-
             ((total_size_freed += total_kb))
             ((success_count++))
             ((files_cleaned++))
             ((total_items++))
-
+            printf "  ${GREEN}OK${NC}   %-20s%s\n" "$app_name" $([[ $files_removed -gt 0 ]] && echo "+$files_removed" )
         else
-            echo -e "  ${RED}✗${NC} Failed to remove $app_name"
-            if [[ -n "$error_msg" ]]; then
-                echo -e "     ${YELLOW}Reason: $error_msg${NC}"
-            fi
             ((failed_count++))
+            failed_items+=("$app_name:$reason") 
         fi
     done
 
-    # Show final summary
-    echo ""
-    echo "===================================================================="
-    echo "🎉 UNINSTALLATION COMPLETE!"
-
-    if [[ $success_count -gt 0 ]]; then
-        if [[ $total_size_freed -gt 1048576 ]]; then
-            local freed_display=$(echo "$total_size_freed" | awk '{printf "%.2fGB", $1/1024/1024}')
-        elif [[ $total_size_freed -gt 1024 ]]; then
-            local freed_display=$(echo "$total_size_freed" | awk '{printf "%.1fMB", $1/1024}')
+    # Summary
+    local freed_display="0B"
+    if [[ $total_size_freed -gt 0 ]]; then
+        local freed_kb=$total_size_freed
+        if [[ $freed_kb -ge 1048576 ]]; then
+            freed_display=$(echo "$freed_kb" | awk '{printf "%.2fGB", $1/1024/1024}')
+        elif [[ $freed_kb -ge 1024 ]]; then
+            freed_display=$(echo "$freed_kb" | awk '{printf "%.1fMB", $1/1024}')
         else
-            local freed_display="${total_size_freed}KB"
+            freed_display="${freed_kb}KB"
+        fi
+    fi
+    local bar="================================================================================"
+    echo ""
+    echo "$bar"
+    if [[ $failed_count -gt 0 ]]; then
+        echo -e "🚀 Removed: ${GREEN}$success_count${NC} | Failed: ${RED}$failed_count${NC} | Freed: ${GREEN}$freed_display${NC}"
+        if [[ $failed_count -eq 1 ]]; then
+            local first="${failed_items[0]}"
+            local name=${first%%:*}
+            local reason=${first#*:}
+            echo "😉 ${name} $(map_uninstall_reason "$reason")"
+        else
+            local joined="${failed_items[*]}"; echo "😉 Failures: $joined"
         fi
-        echo "🗑️  Apps uninstalled: $success_count | Space freed: ${GREEN}${freed_display}${NC}"
     else
-        echo "🗑️  No applications were uninstalled"
-    fi
-
-    if [[ $failed_count -gt 0 ]]; then
-        echo -e "${RED}⚠️  Failed to uninstall: $failed_count${NC}"
-    fi
-
-    echo "===================================================================="
-    if [[ $failed_count -gt 0 ]]; then
-        log_warning "$failed_count applications failed to uninstall"
+        echo -e "🚀 Removed: ${GREEN}$success_count${NC} | Failed: ${RED}$failed_count${NC} | Freed: ${GREEN}$freed_display${NC}"
     fi
+    echo "$bar"
 
     # Clean up sudo keepalive if it was started
     if [[ -n "${sudo_keepalive_pid:-}" ]]; then
@@ -262,4 +186,5 @@ batch_uninstall_applications() {
     fi
 
     ((total_size_cleaned += total_size_freed))
+    unset failed_items
 }
diff --git a/lib/common.sh b/lib/common.sh
index e85d1e8..df0ec1b 100755
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -20,6 +20,13 @@ readonly RED="${ESC}[0;31m"
 readonly GRAY="${ESC}[0;90m"
 readonly NC="${ESC}[0m"
 
+# Spinner character helpers (ASCII by default, overridable via env)
+mo_spinner_chars() {
+    local chars="${MO_SPINNER_CHARS:-|/-\\}"
+    [[ -z "$chars" ]] && chars='|/-\\'
+    printf "%s" "$chars"
+}
+
 # Logging configuration
 readonly LOG_FILE="${HOME}/.config/mole/mole.log"
 readonly LOG_MAX_SIZE_DEFAULT=1048576  # 1MB
@@ -264,11 +271,11 @@ request_sudo() {
 update_via_homebrew() {
     local version="${1:-unknown}"
 
-    echo -e "${BLUE}◎${NC} Updating Homebrew..."
+    echo -e "${BLUE}|${NC} Updating Homebrew..."
     # Filter out common noise but show important info
     brew update 2>&1 | grep -Ev "^(==>|Already up-to-date)" || true
 
-    echo -e "${BLUE}◎${NC} Upgrading Mole..."
+    echo -e "${BLUE}|${NC} Upgrading Mole..."
     local upgrade_output
     upgrade_output=$(brew upgrade mole 2>&1) || true
 
@@ -307,6 +314,388 @@ load_config() {
 # Initialize configuration on sourcing
 load_config
 
+# ============================================================================
+# Spinner and Progress Indicators
+# ============================================================================
+
+# Global spinner process IDs
+SPINNER_PID=""
+INLINE_SPINNER_PID=""
+
+# Start a full-line spinner with message
+start_spinner() {
+    local message="$1"
+
+    if [[ ! -t 1 ]]; then
+        echo -n "  ${BLUE}|${NC} $message"
+        return
+    fi
+
+    echo -n "  ${BLUE}|${NC} $message"
+    (
+        local delay=0.5
+        while true; do
+            printf "\r${MOLE_SPINNER_PREFIX:-}${BLUE}|${NC} $message.  "
+            sleep $delay
+            printf "\r${MOLE_SPINNER_PREFIX:-}${BLUE}|${NC} $message.. "
+            sleep $delay
+            printf "\r${MOLE_SPINNER_PREFIX:-}${BLUE}|${NC} $message..."
+            sleep $delay
+            printf "\r${MOLE_SPINNER_PREFIX:-}${BLUE}|${NC} $message    "
+            sleep $delay
+        done
+    ) &
+    SPINNER_PID=$!
+}
+
+# Start an inline spinner (rotating character)
+start_inline_spinner() {
+    stop_inline_spinner 2>/dev/null || true
+    local message="$1"
+
+    if [[ -t 1 ]]; then
+        (
+            local chars
+            chars="$(mo_spinner_chars)"
+            local i=0
+            while true; do
+                local c="${chars:$((i % ${#chars})):1}"
+                printf "\r${MOLE_SPINNER_PREFIX:-}${BLUE}%s${NC} %s" "$c" "$message"
+                ((i++))
+                sleep 0.12
+            done
+        ) &
+        INLINE_SPINNER_PID=$!
+    else
+        echo -n "  ${BLUE}|${NC} $message"
+    fi
+}
+
+# Stop inline spinner
+stop_inline_spinner() {
+    if [[ -n "$INLINE_SPINNER_PID" ]]; then
+        kill "$INLINE_SPINNER_PID" 2>/dev/null || true
+        wait "$INLINE_SPINNER_PID" 2>/dev/null || true
+        INLINE_SPINNER_PID=""
+        [[ -t 1 ]] && printf "\r"
+    fi
+}
+
+# Stop spinner with optional result message
+stop_spinner() {
+    local result_message="${1:-Done}"
+
+    stop_inline_spinner
+
+    if [[ -n "$SPINNER_PID" ]]; then
+        kill "$SPINNER_PID" 2>/dev/null || true
+        wait "$SPINNER_PID" 2>/dev/null || true
+        SPINNER_PID=""
+    fi
+
+    if [[ -n "$result_message" ]]; then
+        if [[ -t 1 ]]; then
+            printf "\r${MOLE_SPINNER_PREFIX:-}${GREEN}✓${NC} %s\n" "$result_message"
+        else
+            echo " ✓ $result_message"
+        fi
+    fi
+}
+
+# ============================================================================
+# User Interaction - Confirmation Dialogs
+# ============================================================================
+
+
+# ============================================================================
+# Temporary File Management
+# ============================================================================
+
+# Global temp file tracking
+declare -a MOLE_TEMP_FILES=()
+declare -a MOLE_TEMP_DIRS=()
+
+# Create tracked temporary file
+# Returns: temp file path
+create_temp_file() {
+    local temp
+    temp=$(mktemp) || return 1
+    MOLE_TEMP_FILES+=("$temp")
+    echo "$temp"
+}
+
+# Create tracked temporary directory
+# Returns: temp directory path
+create_temp_dir() {
+    local temp
+    temp=$(mktemp -d) || return 1
+    MOLE_TEMP_DIRS+=("$temp")
+    echo "$temp"
+}
+
+# Create temp file with prefix (for analyze.sh compatibility)
+# Args: $1 - prefix/suffix string
+# Returns: temp file path
+create_temp_file_named() {
+    local suffix="${1:-}"
+    local temp
+    temp=$(mktemp "/tmp/mole_${suffix}_XXXXXX") || return 1
+    MOLE_TEMP_FILES+=("$temp")
+    echo "$temp"
+}
+
+# Cleanup all tracked temp files
+cleanup_temp_files() {
+    local file
+    if [[ ${#MOLE_TEMP_FILES[@]} -gt 0 ]]; then
+        for file in "${MOLE_TEMP_FILES[@]}"; do
+            [[ -f "$file" ]] && rm -f "$file" 2>/dev/null || true
+        done
+    fi
+
+    if [[ ${#MOLE_TEMP_DIRS[@]} -gt 0 ]]; then
+        for file in "${MOLE_TEMP_DIRS[@]}"; do
+            [[ -d "$file" ]] && rm -rf "$file" 2>/dev/null || true
+        done
+    fi
+
+    MOLE_TEMP_FILES=()
+    MOLE_TEMP_DIRS=()
+}
+
+# Auto-cleanup on script exit (call this in main scripts)
+register_temp_cleanup() {
+    trap cleanup_temp_files EXIT INT TERM
+}
+
+# ============================================================================
+# Parallel Processing Framework
+# ============================================================================
+
+# Execute commands in parallel with job control
+# Args: $1 - max parallel jobs
+#       $2 - worker function name
+#       $3+ - items to process
+parallel_execute() {
+    local max_jobs="${1:-12}"
+    local worker_func="$2"
+    shift 2
+    local -a items=("$@")
+
+    if [[ ${#items[@]} -eq 0 ]]; then
+        return 0
+    fi
+
+    local -a pids=()
+    for item in "${items[@]}"; do
+        # Execute worker function in background
+        "$worker_func" "$item" &
+        pids+=($!)
+
+        # Wait for a slot if we've hit max parallel jobs
+        if (( ${#pids[@]} >= max_jobs )); then
+            wait "${pids[0]}" 2>/dev/null || true
+            pids=("${pids[@]:1}")
+        fi
+    done
+
+# Wait for remaining background jobs
+    if (( ${#pids[@]} > 0 )); then
+        for pid in "${pids[@]}"; do
+            wait "$pid" 2>/dev/null || true
+        done
+    fi
+}
+
+# ============================================================================
+# Lightweight spinner helper wrappers
+# ============================================================================
+# Usage: with_spinner "Message" cmd arg...
+# Set MOLE_SPINNER_PREFIX="  " for indented spinner (e.g., in clean context)
+with_spinner() {
+    local msg="$1"; shift || true
+    if [[ -t 1 ]]; then
+        start_inline_spinner "$msg"
+    fi
+    "$@" >/dev/null 2>&1 || return $?
+    if [[ -t 1 ]]; then
+        stop_inline_spinner
+    fi
+}
+
+# ============================================================================
+# Cache/tool cleanup abstraction
+# ============================================================================
+# clean_tool_cache "Label" command...
+clean_tool_cache() {
+    local label="$1"; shift || true
+    if [[ "$DRY_RUN" == "true" ]]; then
+        echo -e "  ${YELLOW}→${NC} $label (would clean)"
+        return 0
+    fi
+    MOLE_SPINNER_PREFIX="  " with_spinner "$label" "$@"
+    echo -e "  ${GREEN}✓${NC} $label"
+}
+
+# ============================================================================
+# Confirmation prompt abstraction (Enter=confirm ESC/q=cancel)
+# confirm_prompt "Message" -> 0 yes, 1 no
+confirm_prompt() {
+    local message="$1"
+    echo -n "$message (Enter=OK / ESC q=Cancel): "
+    IFS= read -r -s -n1 _key || _key=""
+    case "$_key" in
+        $'\e'|q|Q) echo ""; return 1 ;;
+        ""|$'\n'|$'\r'|y|Y) echo ""; return 0 ;;
+        *) echo ""; return 1 ;;
+    esac
+}
+
+
+# Get optimal parallel job count based on CPU cores
+
+# =========================================================================
+# Size helpers
+# =========================================================================
+bytes_to_human_kb() { bytes_to_human "$(( ${1:-0} * 1024 ))"; }
+print_space_stat() {
+    local freed_kb="$1"; shift || true
+    local current_free
+    current_free=$(get_free_space)
+    local human
+    human=$(bytes_to_human_kb "$freed_kb")
+    echo "💾 Space freed: ${GREEN}${human}${NC} | Free space now: $current_free"
+}
+
+# =========================================================================
+# mktemp unification wrappers (register access)
+# =========================================================================
+register_temp_file() { MOLE_TEMP_FILES+=("$1"); }
+register_temp_dir()  { MOLE_TEMP_DIRS+=("$1"); }
+
+mktemp_file() { local f; f=$(mktemp) || return 1; register_temp_file "$f"; echo "$f"; }
+mktemp_dir()  { local d; d=$(mktemp -d) || return 1; register_temp_dir "$d"; echo "$d"; }
+
+# =========================================================================
+# Uninstall helper abstractions
+# =========================================================================
+force_kill_app() {
+    # Args: app_name; tries graceful then force kill; returns 0 if stopped, 1 otherwise
+    local app="$1"
+    if pgrep -f "$app" >/dev/null 2>&1; then
+        pkill -f "$app" 2>/dev/null || true
+        sleep 1
+    fi
+    if pgrep -f "$app" >/dev/null 2>&1; then
+        pkill -9 -f "$app" 2>/dev/null || true
+        sleep 1
+    fi
+    pgrep -f "$app" >/dev/null 2>&1 && return 1 || return 0
+}
+
+map_uninstall_reason() {
+    # Args: reason_token
+    case "$1" in
+        still*running*) echo "was not removed; it remains running and resisted termination." ;;
+        remove*failed*) echo "was not removed due to a removal failure (permissions or protection)." ;;
+        permission*) echo "was not removed due to insufficient permissions." ;;
+        *) echo "was not removed; $1." ;;
+    esac
+}
+
+batch_safe_clean() {
+    # Usage: batch_safe_clean "Label" path1 path2 ...
+    local label="$1"; shift || true
+    local -a paths=("$@")
+    if [[ ${#paths[@]} -eq 0 ]]; then return 0; fi
+    safe_clean "${paths[@]}" "$label"
+}
+
+# Get optimal parallel job count based on CPU cores
+get_optimal_parallel_jobs() {
+    local operation_type="${1:-default}"
+    local cpu_cores
+    cpu_cores=$(sysctl -n hw.ncpu 2>/dev/null || echo 4)
+    case "$operation_type" in
+        scan|io)
+            echo $((cpu_cores * 2))
+            ;;
+        compute)
+            echo "$cpu_cores"
+            ;;
+        *)
+            echo $((cpu_cores + 2))
+            ;;
+    esac
+}
+
+# ============================================================================
+# Sudo Keepalive Management
+# ============================================================================
+
+# Start sudo keepalive process
+# Returns: PID of the keepalive process
+start_sudo_keepalive() {
+    (
+        local retry_count=0
+        while true; do
+            if ! sudo -n true 2>/dev/null; then
+                ((retry_count++))
+                if [[ $retry_count -ge 3 ]]; then
+                    exit 1
+                fi
+                sleep 5
+                continue
+            fi
+            retry_count=0
+            sleep 30
+            kill -0 "$$" 2>/dev/null || exit
+        done
+    ) 2>/dev/null &
+    echo $!
+}
+
+# Stop sudo keepalive process
+# Args: $1 - PID of the keepalive process
+stop_sudo_keepalive() {
+    local pid="${1:-}"
+    if [[ -n "$pid" ]]; then
+        kill "$pid" 2>/dev/null || true
+        wait "$pid" 2>/dev/null || true
+    fi
+}
+
+# ============================================================================
+# Section Management
+# ============================================================================
+
+# Section tracking variables
+TRACK_SECTION=0
+SECTION_ACTIVITY=0
+
+# Start a new section
+start_section() {
+    TRACK_SECTION=1
+    SECTION_ACTIVITY=0
+    echo ""
+    echo -e "${PURPLE}▶ $1${NC}"
+}
+
+# End a section (show "Nothing to tidy" if no activity)
+end_section() {
+    if [[ $TRACK_SECTION -eq 1 && $SECTION_ACTIVITY -eq 0 ]]; then
+        echo -e "  ${BLUE}○${NC} Nothing to tidy"
+    fi
+    TRACK_SECTION=0
+}
+
+# Mark activity in current section
+note_activity() {
+    if [[ $TRACK_SECTION -eq 1 ]]; then
+        SECTION_ACTIVITY=1
+    fi
+}
+
 # ============================================================================
 # App Management Functions
 # ============================================================================
diff --git a/lib/paginated_menu.sh b/lib/paginated_menu.sh
index 1c6fb36..9514089 100755
--- a/lib/paginated_menu.sh
+++ b/lib/paginated_menu.sh
@@ -42,11 +42,25 @@ paginated_multi_select() {
         done
     fi
 
+    # Preserve original TTY settings so we can restore them reliably
+    local original_stty=""
+    if [[ -t 0 ]] && command -v stty >/dev/null 2>&1; then
+        original_stty=$(stty -g 2>/dev/null || echo "")
+    fi
+
+    restore_terminal() {
+        show_cursor
+        if [[ -n "$original_stty" ]]; then
+            stty "$original_stty" 2>/dev/null || stty sane 2>/dev/null || stty echo icanon 2>/dev/null || true
+        else
+            stty sane 2>/dev/null || stty echo icanon 2>/dev/null || true
+        fi
+        leave_alt_screen
+    }
+
     # Cleanup function
     cleanup() {
-        show_cursor
-        stty echo icanon 2>/dev/null || true
-        leave_alt_screen
+        restore_terminal
     }
 
     # Interrupt handler
@@ -220,15 +234,13 @@ EOF
                 
                 # Remove the trap to avoid cleanup on normal exit
                 trap - EXIT INT TERM
-                
+
                 # Store result in global variable
                 MOLE_SELECTION_RESULT="$final_result"
-                
+
                 # Manually cleanup terminal before returning
-                show_cursor
-                stty echo icanon 2>/dev/null || true
-                leave_alt_screen
-                
+                restore_terminal
+
                 return 0
                 ;;
         esac
diff --git a/lib/whitelist_manager.sh b/lib/whitelist_manager.sh
index 3665c88..ad84104 100755
--- a/lib/whitelist_manager.sh
+++ b/lib/whitelist_manager.sh
@@ -42,15 +42,15 @@ collect_files_to_be_cleaned() {
     local clean_sh="$SCRIPT_DIR/../bin/clean.sh"
     local -a items=()
 
-    echo -e "${BLUE}◎${NC} Scanning cache files..."
+    echo -e "${BLUE}|${NC} Scanning cache files..."
     echo ""
 
     # Run clean.sh in dry-run mode
-    local temp_output=$(mktemp)
+    local temp_output=$(create_temp_file)
     echo "" | bash "$clean_sh" --dry-run 2>&1 > "$temp_output" || true
 
     # Strip ANSI color codes for parsing
-    local temp_plain=$(mktemp)
+    local temp_plain=$(create_temp_file)
     sed $'s/\033\[[0-9;]*m//g' "$temp_output" > "$temp_plain"
 
     # Parse output: "  → Description (size, dry)"
@@ -83,7 +83,7 @@ collect_files_to_be_cleaned() {
         fi
     done < "$temp_plain"
 
-    rm -f "$temp_output" "$temp_plain"
+    # Temp files will be auto-cleaned by cleanup_temp_files
 
     # Return early if no items found
     if [[ ${#items[@]} -eq 0 ]]; then
diff --git a/mole b/mole
index 091ca47..d9370c5 100755
--- a/mole
+++ b/mole
@@ -148,11 +148,11 @@ update_mole() {
     fi
 
     # Download and run installer with progress
-    echo -e "${BLUE}◎${NC} Downloading latest version..."
+    echo -e "${BLUE}|${NC} Downloading latest version..."
 
     local installer_url="https://raw.githubusercontent.com/tw93/mole/main/install.sh"
     local tmp_installer
-    tmp_installer="$(mktemp)" || { log_error "Update failed"; exit 1; }
+    tmp_installer="$(mktemp_file)" || { log_error "Update failed"; exit 1; }
 
     # Download installer with progress
     if command -v curl >/dev/null 2>&1; then
@@ -181,7 +181,7 @@ update_mole() {
     local install_dir
     install_dir="$(cd "$(dirname "$mole_path")" && pwd)"
 
-    echo -e "${BLUE}◎${NC} Installing update..."
+    echo -e "${BLUE}|${NC} Installing update..."
 
     # Run installer with visible output (but capture for error handling)
     local install_output
@@ -286,10 +286,7 @@ remove_mole() {
     echo ""
 
     # Confirm removal
-    read -p "Are you sure you want to remove Mole? (y/N): " -n 1 -r
-    echo ""
-
-    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+    read -p "Are you sure you want to remove Mole? (y/N): " -n 1 -r; echo ""; if [[ ! $REPLY =~ ^[Yy]$ ]]; then
         echo "Cancelled."
         exit 0
     fi