feat(admin): 仪表盘重构、代理线路修复与后台体验优化

- 各角色仪表盘：KPI 可点击跳转、快捷入口、去重冗余区块，代理/站点降级 analytics
- 代理线路：创建玩家权限、侧栏搜索、深链 URL、档案保存与删除预检等修复
- 统一密码最短 6 位；代理模块表格/侧栏背景色一致（admin-table-inset）
- 报表、钱包、对账、开奖、结算、配置等模块结构与 i18n 同步更新

src/modules/agents/agent-line-sidebar.tsx

@@ -6,6 +6,7 @@ import { useTranslation } from "react-i18next";
 
 import { AdminNoResourceState, AdminTableNoResourceRow } from "@/components/admin/admin-no-resource-state";
 import { AdminLoadingInline } from "@/components/admin/admin-loading-state";
+import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { cn } from "@/lib/utils";
 import { formatAdminCreditMajorDecimal } from "@/lib/money";
@@ -56,6 +57,36 @@ function pruneTreeForSearch(
   return out;
 }
 
+function collectSearchExpandIds(
+  nodes: AgentNodeRow[],
+  normalized: string,
+  parentNameMap: Map<number, string>,
+): Set<number> {
+  const ids = new Set<number>();
+
+  const walk = (list: AgentNodeRow[], ancestors: number[]): void => {
+    for (const node of list) {
+      const children = node.children ?? [];
+      const prunedChildren = pruneTreeForSearch(children, normalized, parentNameMap);
+      const selfMatch = nodeMatchesKeyword(node, normalized, parentNameMap);
+
+      if (selfMatch || prunedChildren.length > 0) {
+        for (const id of ancestors) {
+          ids.add(id);
+        }
+        if (prunedChildren.length > 0) {
+          ids.add(node.id);
+        }
+        walk(prunedChildren, [...ancestors, node.id]);
+      }
+    }
+  };
+
+  walk(nodes, []);
+
+  return ids;
+}
+
 export type AgentLineSidebarProps = {
   siteLabel: string | null;
   /** API 返回的嵌套树（含 children） */
@@ -67,6 +98,8 @@ export type AgentLineSidebarProps = {
   loading?: boolean;
   onKeywordChange: (value: string) => void;
   onSelect: (node: AgentNodeRow) => void;
+  errorMessage?: string | null;
+  onRetry?: () => void;
 };
 
 type TreeRowProps = {
@@ -98,7 +131,7 @@ function TreeRow({
       <div
         className={cn(
           "flex w-full items-start gap-0.5 rounded-md py-1 pr-2 transition-colors",
-          active ? "bg-primary/10 ring-1 ring-primary/25" : "hover:bg-background/80",
+          active ? "bg-primary/10 ring-1 ring-primary/25" : "hover:bg-muted/15",
         )}
         style={{ paddingLeft: `${6 + indent}px` }}
       >
@@ -163,6 +196,8 @@ export function AgentLineSidebar({
   loading = false,
   onKeywordChange,
   onSelect,
+  errorMessage = null,
+  onRetry,
 }: AgentLineSidebarProps): React.ReactElement {
   const { t } = useTranslation(["agents", "common"]);
   const [expandedIds, setExpandedIds] = useState<Set<number>>(() => new Set());
@@ -220,6 +255,19 @@ export function AgentLineSidebar({
     });
   }, [selectedId, tree]);
 
+  useEffect(() => {
+    if (normalizedKeyword === "") {
+      return;
+    }
+
+    const expandIds = collectSearchExpandIds(tree, normalizedKeyword, parentNameMap);
+    if (expandIds.size === 0) {
+      return;
+    }
+
+    setExpandedIds((prev) => new Set([...prev, ...expandIds]));
+  }, [normalizedKeyword, parentNameMap, tree]);
+
   const toggleExpand = useCallback((id: number) => {
     setExpandedIds((prev) => {
       const next = new Set(prev);
@@ -236,19 +284,8 @@ export function AgentLineSidebar({
   const hasAnyAgent = displayForest.length > 0;
 
   return (
-    <aside className="flex min-h-0 h-full w-full flex-col bg-muted/10 lg:w-[18rem] lg:shrink-0 lg:border-r lg:border-border/70">
-      <div className="space-y-3 border-b border-border/60 bg-card px-4 py-4">
-        {siteLabel ? (
-          <p className="truncate text-xs font-medium text-foreground/80" title={siteLabel}>
-            {siteLabel}
-          </p>
-        ) : null}
-        <p className="text-xs text-muted-foreground">
-          {t("lineUi.agentCount", {
-            defaultValue: "本组 {{count}} 个代理",
-            count: agentCount,
-          })}
-        </p>
+    <aside className="flex min-h-0 h-full w-full flex-col lg:w-[18rem] lg:shrink-0 lg:border-r lg:border-border/70">
+      <div className="space-y-3 border-b border-border/60 px-4 py-4">
         <div className="relative">
           <Search className="pointer-events-none absolute top-1/2 left-2.5 size-3.5 -translate-y-1/2 text-muted-foreground" />
           <Input
@@ -265,6 +302,15 @@ export function AgentLineSidebar({
       <div className="min-h-0 flex-1 overflow-y-auto px-2 py-2">
         {loading ? (
           <AdminLoadingInline className="py-10" />
+        ) : !hasAnyAgent && errorMessage ? (
+          <div className="space-y-3 px-2 py-8 text-center">
+            <p className="text-sm text-destructive">{errorMessage}</p>
+            {onRetry ? (
+              <Button type="button" size="sm" variant="outline" onClick={onRetry}>
+                {t("common:actions.retry", { defaultValue: "重试" })}
+              </Button>
+            ) : null}
+          </div>
         ) : !hasAnyAgent ? (
           <AdminNoResourceState className="px-2 py-8 text-center text-sm text-muted-foreground" />
         ) : (