fix: react-doctor label-has-associated-control (-15, nested-interactive -1)

Add htmlFor/id pairs to label/input pairs across ~24 files.
Convert section-header labels (Role/Permissions/Visibility/Environment/
Send via/Quick messages/Campaign Type/When to Send/Preview) to <p>.
Convert clickable divs to buttons (AbandonedCartDashboard → native dialog).
Hoist regex patterns out of loops in ai-import.ts.

src/components/admin/TemplateEditForm.tsx

@@ -515,7 +515,7 @@ export function TemplateEditForm({
           <div className="rounded-xl border border-[var(--admin-border)] bg-white p-4 sm:p-6 space-y-4">
             <div className="flex items-center justify-between">
               <h3 className="text-xs sm:text-sm font-semibold text-[var(--admin-text-muted)] uppercase tracking-wide">Message Body</h3>
-              <label className="flex items-center gap-2 text-xs sm:text-sm">
+              <label className="flex items-center gap-2 text-xs sm:text-sm" htmlFor="fld-sethtmlmodeetargetchecked-classnameround">
                 <input
                   type="checkbox"
                   checked={htmlMode}
@@ -555,7 +555,7 @@ export function TemplateEditForm({
                   />
                 </div>
                 <div>
-                  <label className="block text-xs sm:text-sm font-medium text-[var(--admin-text-primary)] mb-1.5">Plain Text Fallback *</label>
+                  <label className="block text-xs sm:text-sm font-medium text-[var(--admin-text-primary)] mb-1.5" htmlFor="fld-plain-text-fallback-">Plain Text Fallback *</label>
                   <textarea aria-label="Plain Text Version..."
                     id="body-textarea"
                     value={bodyText}
@@ -568,7 +568,7 @@ export function TemplateEditForm({
               </>
             ) : (
               <div>
-                <label className="block text-xs sm:text-sm font-medium text-[var(--admin-text-primary)] mb-1.5">Body (Plain Text) *</label>
+                <label className="block text-xs sm:text-sm font-medium text-[var(--admin-text-primary)] mb-1.5" htmlFor="fld-body-plain-text-">Body (Plain Text) *</label>
                 <textarea aria-label="Message Body With Variables Like {{first Name}}..."
                   id="body-textarea"
                   value={bodyText}