feat: Enhance clean and optimize operations with new configuration constants

tests/purge.bats

@@ -29,7 +29,7 @@ setup() {
     mkdir -p "$HOME/.cache/mole"
 
     # Clean any previous test artifacts
-    rm -rf "$HOME/www"/* "$HOME/dev"/*
+    rm -rf "${HOME:?}/www"/* "${HOME:?}/dev"/*
 }
 
 # =================================================================
@@ -151,7 +151,8 @@ setup() {
         source '$PROJECT_ROOT/lib/clean/project.sh'
         is_recently_modified '$HOME/www/old-project/node_modules' || true
     "
-    [ "$?" -eq 0 ] || [ "$?" -eq 1 ]  # Allow both true/false, just check no crash
+    local exit_code=$?
+    [ "$exit_code" -eq 0 ] || [ "$exit_code" -eq 1 ]  # Allow both true/false, just check no crash
 }
 
 # =================================================================

tests/system_maintenance.bats

@@ -97,7 +97,7 @@ clean_time_machine_failed_backups
 EOF
 
     [ "$status" -eq 0 ]
-    [[ "$output" == *"No failed Time Machine backups found"* ]]
+    [[ "$output" == *"No incomplete backups found"* ]]
 }
 
 

tests/tmp-clean-home.EmChvN/.config/mole/clean-list.txt

@@ -0,0 +1,13 @@
+# Mole Cleanup Preview - 2025-12-18 17:01:44
+#
+# How to protect files:
+# 1. Copy any path below to ~/.config/mole/whitelist
+# 2. Run: mo clean --whitelist
+#
+# Example:
+#   /Users/*/Library/Caches/com.example.app
+#
+
+
+=== User essentials ===
+/Users/tw93/www/Mole/tests/tmp-clean-home.EmChvN/Library/Caches/TestApp  # 4KB