diff --git a/custom-skills/_ourdigital-shared/install.sh b/custom-skills/_ourdigital-shared/install.sh
index 8cc16e9..79233ac 100755
--- a/custom-skills/_ourdigital-shared/install.sh
+++ b/custom-skills/_ourdigital-shared/install.sh
@@ -145,18 +145,18 @@ setup_global_commands() {
             local current_link
             current_link=$(readlink "$target")
             if [[ "$current_link" == "$cmd_file" ]]; then
-                ((skipped++))
+                ((skipped++)) || true
             else
                 rm "$target"
                 ln -s "$cmd_file" "$target"
-                ((updated++))
+                ((updated++)) || true
             fi
         elif [[ -f "$target" ]]; then
             warn "Skipping $filename (non-symlink file exists at $target)"
-            ((skipped++))
+            ((skipped++)) || true
         else
             ln -s "$cmd_file" "$target"
-            ((linked++))
+            ((linked++)) || true
         fi
     done
 
@@ -188,7 +188,7 @@ remove_global_commands() {
         link_target=$(readlink "$link")
         if [[ "$link_target" == "$REPO_COMMANDS_DIR/"* ]]; then
             rm "$link"
-            ((removed++))
+            ((removed++)) || true
         fi
     done
 
@@ -339,24 +339,24 @@ validate_installation() {
     local checks_total=7
 
     # Check directories
-    [[ -d "$CONFIG_DIR" ]] && ((checks_passed++)) && success "Config directory exists" || warn "Config directory missing"
-    [[ -d "$CONFIG_DIR/credentials" ]] && ((checks_passed++)) && success "Credentials directory exists" || warn "Credentials directory missing"
+    [[ -d "$CONFIG_DIR" ]] && { ((checks_passed++)) || true; success "Config directory exists"; } || warn "Config directory missing"
+    [[ -d "$CONFIG_DIR/credentials" ]] && { ((checks_passed++)) || true; success "Credentials directory exists"; } || warn "Credentials directory missing"
 
     # Check files
-    [[ -f "$ENV_FILE" ]] && ((checks_passed++)) && success "Environment file exists" || warn "Environment file missing"
-    [[ -f "$CONFIG_DIR/config.yaml" ]] && ((checks_passed++)) && success "Config file exists" || warn "Config file missing"
+    [[ -f "$ENV_FILE" ]] && { ((checks_passed++)) || true; success "Environment file exists"; } || warn "Environment file missing"
+    [[ -f "$CONFIG_DIR/config.yaml" ]] && { ((checks_passed++)) || true; success "Config file exists"; } || warn "Config file missing"
 
     # Check virtual environment
-    [[ -d "$VENV_DIR" ]] && ((checks_passed++)) && success "Virtual environment exists" || warn "Virtual environment missing"
+    [[ -d "$VENV_DIR" ]] && { ((checks_passed++)) || true; success "Virtual environment exists"; } || warn "Virtual environment missing"
 
     # Check skills directory
-    [[ -d "$SKILLS_DIR/01-ourdigital-brand-guide" ]] && ((checks_passed++)) && success "Skills directory valid" || warn "Skills not found"
+    [[ -d "$SKILLS_DIR/01-ourdigital-brand-guide" ]] && { ((checks_passed++)) || true; success "Skills directory valid"; } || warn "Skills not found"
 
     # Check global commands
     local cmd_count
     cmd_count=$(find "$CLAUDE_COMMANDS_DIR" -maxdepth 1 -type l -lname "$REPO_COMMANDS_DIR/*" 2>/dev/null | wc -l | tr -d ' ')
     if [[ $cmd_count -gt 0 ]]; then
-        ((checks_passed++))
+        ((checks_passed++)) || true
         success "Global slash commands installed ($cmd_count commands)"
     else
         warn "No global slash commands found (run with --commands to install)"
@@ -391,7 +391,7 @@ show_skills() {
         for pattern in "${pattern_arr[@]}"; do
             for dir in "$SKILLS_DIR"/$pattern; do
                 if [[ -d "$dir" ]]; then
-                    ((count++))
+                    ((count++)) || true
                     names+=("$(basename "$dir")")
                 fi
             done
@@ -425,7 +425,7 @@ show_global_commands() {
         local link_target
         link_target=$(readlink "$link")
         if [[ "$link_target" == "$REPO_COMMANDS_DIR/"* ]]; then
-            ((cmd_count++))
+            ((cmd_count++)) || true
             local name
             name=$(basename "$link" .md)
             categories+=("$name")
@@ -441,13 +441,13 @@ show_global_commands() {
     local seo=0 gtm=0 jamie=0 notebooklm=0 notion=0 ourdigital=0 other=0
     for name in "${categories[@]}"; do
         case "$name" in
-            seo-*) ((seo++)) ;;
-            gtm-*) ((gtm++)) ;;
-            jamie-*) ((jamie++)) ;;
-            notebooklm-*) ((notebooklm++)) ;;
-            notion-*) ((notion++)) ;;
-            ourdigital-*) ((ourdigital++)) ;;
-            *) ((other++)) ;;
+            seo-*) ((seo++)) || true ;;
+            gtm-*) ((gtm++)) || true ;;
+            jamie-*) ((jamie++)) || true ;;
+            notebooklm-*) ((notebooklm++)) || true ;;
+            notion-*) ((notion++)) || true ;;
+            ourdigital-*) ((ourdigital++)) || true ;;
+            *) ((other++)) || true ;;
         esac
     done