feat: add fixed questions and improve authentication

frontend-web/src/components/page-sidebar.tsx

@@ -10,6 +10,7 @@ import {
   FolderOpen,
   Gauge,
   ListTree,
+  MessageSquareText,
   MousePointerClick,
   BriefcaseBusiness,
   Settings,
@@ -237,6 +238,14 @@ function SecondaryNavSidebar({ headerHidden }: { headerHidden: boolean }) {
                       按钮管理
                     </DropdownMenuItem>
                   )}
+                  {isAdmin && (
+                    <DropdownMenuItem
+                      onClick={() => navigate("/page/strategy/admin/fixed-questions")}
+                    >
+                      <MessageSquareText className="size-4" />
+                      问题配置
+                    </DropdownMenuItem>
+                  )}
                   {isAdmin && (
                     <DropdownMenuItem
                       onClick={() => navigate("/page/strategy/admin/position-roles")}
@@ -558,6 +567,12 @@ function LegacyAccordionSidebar({
                   按钮管理
                 </DropdownMenuItem>
               )}
+              {isAdmin && (
+                <DropdownMenuItem onClick={() => navigate("/page/strategy/admin/fixed-questions")}>
+                  <MessageSquareText className="size-4" />
+                  问题配置
+                </DropdownMenuItem>
+              )}
               {isAdmin && (
                 <DropdownMenuItem onClick={() => navigate("/page/strategy/admin/position-roles")}>
                   <BriefcaseBusiness className="size-4" />

frontend-web/src/components/workspace/llmwiki-knowledge-selector.tsx

@@ -76,6 +76,7 @@ function SelectionContent({
   error,
   source,
   variant,
+  readOnly,
 }: {
   rows: LlmWikiKnowledgeBase[];
   value: string[];
@@ -86,6 +87,7 @@ function SelectionContent({
   error: unknown;
   source: SelectorSource;
   variant: SelectorVariant;
+  readOnly: boolean;
 }) {
   const selected = useMemo(() => new Set(value), [value]);
   const filtered = useMemo(() => {
@@ -97,6 +99,7 @@ function SelectionContent({
   }, [rows, search]);
   const groups = useMemo(() => groupRows(filtered), [filtered]);
   const toggle = (id: string) => {
+    if (readOnly) return;
     onChange(selected.has(id) ? value.filter((item) => item !== id) : [...value, id]);
   };
 
@@ -168,6 +171,7 @@ function SelectionContent({
                   <DropdownMenuCheckboxItem
                     key={item.id}
                     checked={selected.has(item.id)}
+                    disabled={readOnly}
                     onCheckedChange={() => toggle(item.id)}
                     onSelect={(event) => event.preventDefault()}
                     className={cn(
@@ -183,6 +187,7 @@ function SelectionContent({
                     type="button"
                     role="checkbox"
                     aria-checked={selected.has(item.id)}
+                    disabled={readOnly}
                     onClick={() => toggle(item.id)}
                     className={cn(
                       "my-0.5 flex min-h-11 w-full items-center gap-2 rounded-md px-2 py-1.5 text-left outline-none transition-colors hover:bg-muted/60 focus-visible:ring-2 focus-visible:ring-primary",
@@ -205,15 +210,21 @@ function SelectionContent({
       </div>
 
       <div className="flex items-center justify-between gap-2 border-t bg-muted/20 px-2.5 py-2">
-        <span className="text-[11px] text-muted-foreground">已选择 {value.length} 个</span>
-        <div className="flex items-center gap-1">
-          <Button type="button" variant="ghost" size="sm" className="h-7 px-2 text-xs" onClick={() => onChange(filtered.map((item) => item.id))}>
-            全选
-          </Button>
-          <Button type="button" variant="ghost" size="sm" className="h-7 px-2 text-xs" onClick={() => onChange([])}>
-            清空
-          </Button>
-        </div>
+        <span className="text-[11px] text-muted-foreground">
+          {readOnly ? `本对话已选 ${value.length} 个` : `已选择 ${value.length} 个`}
+        </span>
+        {readOnly ? (
+          <span className="text-[11px] text-muted-foreground">对话开始后不可更改</span>
+        ) : (
+          <div className="flex items-center gap-1">
+            <Button type="button" variant="ghost" size="sm" className="h-7 px-2 text-xs" onClick={() => onChange(filtered.map((item) => item.id))}>
+              全选
+            </Button>
+            <Button type="button" variant="ghost" size="sm" className="h-7 px-2 text-xs" onClick={() => onChange([])}>
+              清空
+            </Button>
+          </div>
+        )}
       </div>
     </>
   );
@@ -226,6 +237,7 @@ export function LlmWikiKnowledgeSelector({
   agentId,
   autoSelectAll = false,
   disabled = false,
+  readOnly = false,
   className,
   label = "知识空间",
   variant = "popover",
@@ -236,6 +248,8 @@ export function LlmWikiKnowledgeSelector({
   agentId?: string | null;
   autoSelectAll?: boolean;
   disabled?: boolean;
+  /** Keep the selected knowledge spaces visible without allowing the thread scope to change. */
+  readOnly?: boolean;
   className?: string;
   label?: string;
   variant?: SelectorVariant;
@@ -293,6 +307,7 @@ export function LlmWikiKnowledgeSelector({
       error={error}
       source={source}
       variant={variant}
+      readOnly={readOnly}
     />
   );
 
@@ -315,9 +330,14 @@ export function LlmWikiKnowledgeSelector({
     );
   }
 
-  const selectedName = value.length === 1
-    ? rows.find((item) => item.id === value[0])?.name
-    : null;
+  const selectedNames = value
+    .map((id) => rows.find((item) => item.id === id)?.name)
+    .filter((name): name is string => !!name);
+  const selectedLabel = selectedNames.length > 0
+    ? selectedNames.join("、")
+    : value.length > 0
+      ? `已选 ${value.length} 个知识空间`
+      : label;
 
   return (
     <DropdownMenu open={open} onOpenChange={setOpen}>
@@ -332,9 +352,10 @@ export function LlmWikiKnowledgeSelector({
             className,
           )}
           disabled={disabled || loading}
+          title={value.length > 0 ? selectedLabel : undefined}
         >
           {loading ? <Loader2 className="size-3.5 animate-spin" /> : <Database className="size-3.5" />}
-          <span className="truncate text-xs font-normal">{selectedName || label}</span>
+          <span className="truncate text-xs font-normal">{selectedLabel}</span>
           {value.length > 0 && (
             <span className="flex size-4 items-center justify-center rounded-full bg-primary text-[9px] font-semibold text-primary-foreground">
               {value.length}

frontend-web/src/components/workspace/workspace-nav-menu.tsx

@@ -11,6 +11,7 @@ import {
   GaugeIcon,
   HistoryIcon,
   MessageCircleQuestionIcon,
+  MessageSquareTextIcon,
   ScrollTextIcon,
   Settings2Icon,
   SettingsIcon,
@@ -268,6 +269,16 @@ export function WorkspaceNavMenu() {
                       推荐问题配置
                     </DropdownMenuItem>
                   )}
+                  {isAdmin && (
+                    <DropdownMenuItem
+                      onClick={() =>
+                        navigate("/page/strategy/admin/fixed-questions")
+                      }
+                    >
+                      <MessageSquareTextIcon />
+                      问题配置
+                    </DropdownMenuItem>
+                  )}
                   {isAdmin && logSystem?.enabled && logSystem.url && (
                     <DropdownMenuItem
                       onClick={() =>