Fix zinit validation to check for YAML files instead of zinit.conf

- zinit uses YAML configuration files, not zinit.conf
- Update validation to check for *.yaml files in /etc/zinit directory
- Fixes false validation error when zinit configuration is properly present

scripts/lib/initramfs.sh

@@ -758,11 +758,17 @@ function initramfs_validate() {
         log_info "✓ /sbin/init correctly absent (zinit called directly)"
     fi
     
-    # Check zinit configuration
-    if [[ -f "${initramfs_dir}/etc/zinit/zinit.conf" ]]; then
-        log_info "✓ zinit configuration found"
+    # Check zinit configuration directory (uses YAML files, not zinit.conf)
+    if [[ -d "${initramfs_dir}/etc/zinit" ]]; then
+        local yaml_count=$(find "${initramfs_dir}/etc/zinit" -name "*.yaml" | wc -l)
+        if [[ $yaml_count -gt 0 ]]; then
+            log_info "✓ zinit configuration found (${yaml_count} YAML files)"
         else
-        log_error "✗ zinit configuration missing"
+            log_error "✗ zinit YAML configuration files missing"
+            ((errors++))
+        fi
+    else
+        log_error "✗ zinit configuration directory missing"
         ((errors++))
     fi