feat(skill-evolution): expose model_name as per-user configurable field

前端恢复模型选择器，后端允许 model_name 写入 per-user skill_evolution.json。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend-web/src/components/workspace/skills/skill-evolution-panel.tsx

@@ -21,6 +21,13 @@ import {
   CardTitle,
 } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
 import { Switch } from "@/components/ui/switch";
 import {
   useCuratorConfig,
@@ -31,6 +38,7 @@ import {
 } from "@/core/curator/hooks";
 import type { CuratorConfig } from "@/core/curator/types";
 import { useI18n } from "@/core/i18n/hooks";
+import { useModels } from "@/core/models/hooks";
 import { cn } from "@/lib/utils";
 
 export function SkillEvolutionPanel() {
@@ -269,13 +277,17 @@ interface CuratorDraft {
   interval_hours: number;
   stale_after_days: number;
   archive_after_days: number;
+  model_name: string | null;
 }
 
+const DEFAULT_MODEL_VALUE = "__default__";
+
 function toDraft(config: CuratorConfig): CuratorDraft {
   return {
     interval_hours: config.curator.interval_hours,
     stale_after_days: config.curator.stale_after_days,
     archive_after_days: config.curator.archive_after_days,
+    model_name: config.curator.model_name,
   };
 }
 
@@ -284,6 +296,7 @@ function ConfigCard() {
   const tt = t.settings.skillEvolution.config;
   const { config, isLoading } = useCuratorConfig();
   const updateConfig = useUpdateCuratorConfig();
+  const { models } = useModels();
 
   const [draft, setDraft] = useState<CuratorDraft | null>(null);
   useEffect(() => {
@@ -368,6 +381,36 @@ function ConfigCard() {
             }
           />
         </FieldRow>
+        <FieldRow
+          label={tt.curatorModelLabel}
+          helper={tt.curatorModelHelper}
+        >
+          <Select
+            value={draft.model_name ?? DEFAULT_MODEL_VALUE}
+            onValueChange={(v) =>
+              setDraft({ ...draft, model_name: v === DEFAULT_MODEL_VALUE ? null : v })
+            }
+          >
+            <SelectTrigger
+              className={cn(
+                "max-w-[20rem]",
+                "dark:border-[#1B477E] dark:bg-[#0D2D54] dark:text-[#AACEFF] dark:data-[placeholder]:text-[#566B7F] dark:hover:bg-[#0D2D54]",
+              )}
+            >
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent position="popper" side="bottom" sideOffset={4}>
+              <SelectItem value={DEFAULT_MODEL_VALUE}>
+                {tt.curatorModelDefault}
+              </SelectItem>
+              {models.map((m) => (
+                <SelectItem key={m.name} value={m.name}>
+                  {m.display_name || m.name}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+        </FieldRow>
 
         <div className="flex justify-end gap-2 pt-2">
           <Button

frontend-web/src/core/curator/api.ts

@@ -21,6 +21,7 @@ export interface CuratorConfigUpdatePayload {
   interval_hours: number;
   stale_after_days: number;
   archive_after_days: number;
+  model_name: string | null;
 }
 
 export async function updateCuratorConfig(

offline-backend-20260512/backend/app/gateway/routers/skills.py

@@ -2329,14 +2329,15 @@ class CuratorConfigResponse(BaseModel):
 
 
 class CuratorConfigRequest(BaseModel):
-    """Payload for updating the three user-facing curator thresholds in skill_evolution.json.
+    """Payload for updating user-facing curator settings in skill_evolution.json.
 
-    All other settings (enabled, model, timeouts) are controlled via config.yaml.
+    All other settings (enabled, timeouts) are global-only and controlled via config.yaml.
     """
 
     interval_hours: int = Field(..., ge=1, description="Hours between curator runs.")
     stale_after_days: int = Field(..., ge=1, description="Days of inactivity before a skill is marked stale.")
     archive_after_days: int = Field(..., ge=1, description="Days of inactivity before a stale skill is archived.")
+    model_name: str | None = Field(default=None, description="Model for the curator LLM review; null = primary model.")
 
 
 class CuratorLogRecord(BaseModel):
@@ -2394,6 +2395,7 @@ async def update_curator_config(body: CuratorConfigRequest, request: Request) ->
                 "interval_hours": body.interval_hours,
                 "stale_after_days": body.stale_after_days,
                 "archive_after_days": body.archive_after_days,
+                "model_name": body.model_name,
             },
         })
         return _build_curator_config_response(load_skill_evolution_config_for_user(user_id))

offline-backend-20260512/backend/packages/harness/deerflow/config/skill_evolution_runtime.py

@@ -137,7 +137,7 @@ def resolve_user_path(user_id: str) -> Path:
 
 # Only these curator sub-fields may be overridden per user.
 # All other fields (enabled, model_name, timeouts, etc.) are global-only.
-_USER_ALLOWED_CURATOR_KEYS = {"interval_hours", "stale_after_days", "archive_after_days"}
+_USER_ALLOWED_CURATOR_KEYS = {"interval_hours", "stale_after_days", "archive_after_days", "model_name"}
 
 
 def load_user_overrides(user_id: str) -> dict[str, Any] | None: