Optimize the key usage experience

bin/clean.sh

@@ -460,25 +460,25 @@ start_cleanup() {
 
     if [[ -t 0 ]]; then
         echo ""
-        echo -ne "${PURPLE}${ICON_ARROW}${NC} System caches need sudo — ${GREEN}Enter${NC} continue, other key skip: "
+        echo -ne "${PURPLE}${ICON_ARROW}${NC} System caches need sudo — ${GREEN}Enter${NC} continue, ${GRAY}Space${NC} skip: "
 
-        # Use IFS= and read without -n to allow Ctrl+C to work properly
-        IFS= read -r -s -n 1 choice
-        local read_status=$?
+        # Use read_key to properly handle all key inputs
+        local choice
+        choice=$(read_key)
 
-        # If read was interrupted (Ctrl+C), exit cleanly
-        if [[ $read_status -ne 0 ]]; then
-            echo ""
-            exit 130
-        fi
-
-        if [[ "$choice" == $'\e' ]]; then
+        # Check for cancel (ESC or Q)
+        if [[ "$choice" == "QUIT" ]]; then
             echo -e " ${GRAY}Cancelled${NC}"
             exit 0
         fi
 
+        # Space = skip
+        if [[ "$choice" == "SPACE" ]]; then
+            echo -e " ${GRAY}Skipped${NC}"
+            echo ""
+            SYSTEM_CLEAN=false
         # Enter = yes, do system cleanup
-        if [[ -z "$choice" ]] || [[ "$choice" == $'\n' ]]; then
+        elif [[ "$choice" == "ENTER" ]]; then
             printf "\r\033[K" # Clear the prompt line
             if request_sudo_access "System cleanup requires admin access"; then
                 SYSTEM_CLEAN=true
@@ -514,10 +514,8 @@ start_cleanup() {
                 echo -e "${YELLOW}Authentication failed${NC}, continuing with user-level cleanup"
             fi
         else
-            # ESC or other key = no system cleanup
+            # Other keys (including arrow keys) = skip, no message needed
             SYSTEM_CLEAN=false
-            echo ""
-            echo -e "${GRAY}Skipped system cleanup, user-level only${NC}"
         fi
     else
         SYSTEM_CLEAN=false

bin/optimize.sh

@@ -503,6 +503,7 @@ main() {
 	echo -ne "${PURPLE}${ICON_ARROW}${NC} System optimizations need admin access — ${GREEN}Enter${NC} Touch ID/password, ${GRAY}ESC${NC} cancel: "
 
 	IFS= read -r -s -n1 key || key=""
+	drain_pending_input  # Clean up any escape sequence remnants
 	case "$key" in
 		$'\e' | q | Q)
 			echo ""

bin/touchid.sh

@@ -144,6 +144,7 @@ show_menu() {
     if is_touchid_configured; then
         echo -ne "${PURPLE}☛${NC} Press ${GREEN}Enter${NC} to disable, ${GRAY}Q${NC} to quit: "
         IFS= read -r -s -n1 key || key=""
+        drain_pending_input  # Clean up any escape sequence remnants
         echo ""
 
         case "$key" in
@@ -162,6 +163,7 @@ show_menu() {
     else
         echo -ne "${PURPLE}☛${NC} Press ${GREEN}Enter${NC} to enable, ${GRAY}Q${NC} to quit: "
         IFS= read -r -s -n1 key || key=""
+        drain_pending_input  # Clean up any escape sequence remnants
 
         case "$key" in
             $'\e') # ESC

lib/common.sh

@@ -289,6 +289,7 @@ read_key() {
         $'\n' | $'\r') echo "ENTER" ;;
         ' ') echo "SPACE" ;;
         'q' | 'Q') echo "QUIT" ;;
+        'h' | 'H') echo "HELP" ;;
         'R') echo "RETRY" ;;
         'o' | 'O') echo "OPEN" ;;
         '/') echo "FILTER" ;;               # Trigger filter mode
@@ -368,13 +369,13 @@ drain_pending_input() {
     # Mouse wheel scrolling can generate rapid sequences like B^[OB^[OB^[O...
     while IFS= read -r -s -n 1 -t 0.01 _ 2> /dev/null; do
         ((drained++))
-        # Higher safety limit for mouse wheel sequences
-        [[ $drained -gt 1000 ]] && break
+        # Safety limit for mouse wheel sequences
+        [[ $drained -gt 200 ]] && break
     done
     # Second pass with even shorter timeout to catch any remaining input
     while IFS= read -r -s -n 1 -t 0.001 _ 2> /dev/null; do
         ((drained++))
-        [[ $drained -gt 1500 ]] && break
+        [[ $drained -gt 500 ]] && break
     done
 }
 
@@ -868,6 +869,7 @@ prompt_action() {
     echo ""
     echo -ne "${PURPLE}${ICON_ARROW}${NC} Press ${GREEN}Enter${NC} to ${action}, ${GRAY}ESC${NC} to ${cancel}: "
     IFS= read -r -s -n1 key || key=""
+    drain_pending_input  # Clean up any escape sequence remnants
 
     case "$key" in
         $'\e') # ESC
@@ -891,6 +893,7 @@ confirm_prompt() {
     local message="$1"
     echo -n "$message (Enter=OK / ESC q=Cancel): "
     IFS= read -r -s -n1 _key || _key=""
+    drain_pending_input  # Clean up any escape sequence remnants
     case "$_key" in
         $'\e' | q | Q)
             echo ""

lib/menu_paginated.sh

@@ -27,21 +27,6 @@ _pm_parse_csv_to_array() {
     done
 }
 
-# Non-blocking input drain (bash 3.2) - improved for mouse wheel
-drain_pending_input() {
-    local _k drained=0
-    # Multiple passes to handle mouse wheel burst sequences
-    while IFS= read -r -s -n 1 -t 0.01 _k 2> /dev/null; do
-        ((drained++))
-        [[ $drained -gt 1000 ]] && break
-    done
-    # Second pass with shorter timeout
-    while IFS= read -r -s -n 1 -t 0.001 _k 2> /dev/null; do
-        ((drained++))
-        [[ $drained -gt 1500 ]] && break
-    done
-}
-
 # Main paginated multi-select menu function
 paginated_multi_select() {
     local title="$1"

lib/uninstall_batch.sh

@@ -137,6 +137,7 @@ batch_uninstall_applications() {
     echo -ne "${PURPLE}${ICON_ARROW}${NC} ${removal_note}. Press ${GREEN}Enter${NC} to confirm, ${GRAY}ESC${NC} to cancel: "
 
     IFS= read -r -s -n1 key || key=""
+    drain_pending_input  # Clean up any escape sequence remnants
     case "$key" in
         $'\e' | q | Q)
             echo ""

mole

@@ -343,6 +343,7 @@ remove_mole() {
 
     # Read single key
     IFS= read -r -s -n1 key || key=""
+    drain_pending_input  # Clean up any escape sequence remnants
     case "$key" in
         $'\e')
             echo -e "${GRAY}Cancelled${NC}"
@@ -531,7 +532,7 @@ interactive_main_menu() {
                     4) exec "$SCRIPT_DIR/bin/analyze.sh" ;;
                 esac
                 ;;
-            "h" | "H")
+            "HELP")
                 show_cursor
                 clear
                 show_help