feat: improve agent skill selection

frontend-web/src/components/workspace/agents/skill-transfer-selector.tsx

@@ -45,11 +45,32 @@ function skillLabel(skill: Skill) {
 
 function matchesQuery(skill: Skill, q: string) {
   if (!q) return true;
-  return (
-    skill.name.toLowerCase().includes(q) ||
-    (skill.name_zh ?? "").toLowerCase().includes(q) ||
-    (skill.description ?? "").toLowerCase().includes(q)
-  );
+  const haystack = [
+    skill.name,
+    skill.name_zh,
+    skill.description,
+    skill.detail,
+    skill.category,
+    skill.license,
+    skill.source,
+    skill.state,
+    skill.owner_username,
+    skill.created_at,
+    skill.last_activity_at,
+    skill.use_count != null ? `使用 ${skill.use_count}` : null,
+    skill.view_count != null ? `查看 ${skill.view_count}` : null,
+    skill.patch_count != null ? `变迁 ${skill.patch_count}` : null,
+    ...(skill.tags ?? []).flatMap((tag) => [
+      tag.name,
+      tag.description,
+      tag.color,
+      tag.usage_count != null ? `标签使用 ${tag.usage_count}` : null,
+    ]),
+  ]
+    .filter((value): value is string => typeof value === "string" && value.length > 0)
+    .join(" ")
+    .toLowerCase();
+  return haystack.includes(q);
 }
 
 export function SkillTransferSelector({
@@ -159,7 +180,7 @@ export function SkillTransferSelector({
         <div className="relative flex-1">
           <SearchIcon className="text-muted-foreground absolute left-2 top-1/2 size-3.5 -translate-y-1/2" />
           <Input
-            placeholder="搜索全部技能(中英文名称、描述)…"
+            placeholder="搜索技能名称、描述、分类、标签、变迁..."
             value={search}
             onChange={(e) => {
               setSearch(e.currentTarget.value);
@@ -239,7 +260,7 @@ export function SkillTransferSelector({
       {/* Two-column transfer panes */}
       <div className="grid grid-cols-2 gap-3">
         <SkillPane
-          title="可用技能"
+          title="未勾选技能"
           count={availableSkills.length}
           items={availableView}
           variant="available"
@@ -248,10 +269,10 @@ export function SkillTransferSelector({
           onPageChange={setAvailablePage}
           onPick={add}
           onViewDetail={onViewDetail}
-          emptyHint={query || category !== ALL_CATEGORIES ? "没有匹配的技能" : "已全部启用"}
+          emptyHint={query || category !== ALL_CATEGORIES ? "没有匹配的技能" : "已全部勾选"}
         />
         <SkillPane
-          title="已启用技能"
+          title="已勾选技能"
           count={selectedSkills.length}
           items={selectedView}
           variant="selected"
@@ -260,7 +281,7 @@ export function SkillTransferSelector({
           onPageChange={setSelectedPage}
           onPick={remove}
           onViewDetail={onViewDetail}
-          emptyHint={query ? "没有匹配的已选技能" : "尚未启用任何技能"}
+          emptyHint={query ? "没有匹配的已选技能" : "尚未勾选任何技能"}
         />
       </div>
     </div>

frontend-web/src/components/workspace/settings/skill-settings-page.tsx

@@ -470,11 +470,11 @@ function SkillSettingsList({ onClose }: { onClose?: () => void }) {
           </Button>
         </div>
       </header>
-      <TagSearchBar
-        targetType="skill"
-        onSearchChange={setSearch}
-        tagIds={tagIds}
-        onTagIdsChange={setTagIds}
+      <TagSearchBar
+        targetType="skill"
+        onSearchChange={setSearch}
+        tagIds={tagIds}
+        onTagIdsChange={setTagIds}
         actions={
           <div className="flex items-center gap-2">
             <ViewModeToggle value={viewMode} onChange={setViewMode} />
@@ -497,11 +497,16 @@ function SkillSettingsList({ onClose }: { onClose?: () => void }) {
                 <SelectItem value="name_desc">名称 Z-A</SelectItem>
               </SelectContent>
             </Select>
-          </div>
-        }
-      />
-      {publisher && (
-        <div className="flex items-center gap-2">
+          </div>
+        }
+      />
+      {!isLoading && !error && (
+        <div className="text-muted-foreground flex justify-end text-sm tabular-nums">
+          共 {orderedSkills.length} 个技能
+        </div>
+      )}
+      {publisher && (
+        <div className="flex items-center gap-2">
           <span className="text-muted-foreground text-xs">筛选发布者：</span>
           <button
             type="button"