test: add full playwright ui regression coverage

admin/src/pages/comments-page.tsx

@@ -898,6 +898,7 @@ export function CommentsPage() {
                           setManualMatcherValue('')
                         }}
                         disabled={!manualMatcherValue.trim()}
+                        data-testid="comment-blacklist-add"
                       >
                         <Shield className="h-4 w-4" />
                         新增
@@ -908,6 +909,7 @@ export function CommentsPage() {
                       {blacklist.map((item) => (
                         <div
                           key={item.id}
+                          data-testid={`blacklist-item-${item.id}`}
                           className="rounded-2xl border border-border/70 bg-background/40 p-3"
                         >
                           <div className="flex flex-wrap items-center justify-between gap-2">
@@ -929,6 +931,7 @@ export function CommentsPage() {
                               size="sm"
                               variant="outline"
                               disabled={actingBlacklistId === item.id}
+                              data-testid={`blacklist-toggle-${item.id}`}
                               onClick={async () => {
                                 try {
                                   setActingBlacklistId(item.id)
@@ -959,6 +962,7 @@ export function CommentsPage() {
                               size="sm"
                               variant="danger"
                               disabled={actingBlacklistId === item.id}
+                              data-testid={`blacklist-delete-${item.id}`}
                               onClick={async () => {
                                 if (!window.confirm('确定删除这条黑名单规则吗？')) {
                                   return