feat: add configurable token_refresh_interval_hours to runtime settings with validation and hot-reload support

webui/src/features/settings/RuntimeSection.jsx

@@ -2,7 +2,7 @@ export default function RuntimeSection({ t, form, setForm }) {
     return (
         <div className="bg-card border border-border rounded-xl p-5 space-y-4">
             <h3 className="font-semibold">{t('settings.runtimeTitle')}</h3>
-            <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                 <label className="text-sm space-y-2">
                     <span className="text-muted-foreground">{t('settings.accountMaxInflight')}</span>
                     <input
@@ -42,6 +42,21 @@ export default function RuntimeSection({ t, form, setForm }) {
                         className="w-full bg-background border border-border rounded-lg px-3 py-2"
                     />
                 </label>
+                <label className="text-sm space-y-2">
+                    <span className="text-muted-foreground">{t('settings.tokenRefreshIntervalHours')}</span>
+                    <input
+                        type="number"
+                        min={1}
+                        max={720}
+                        step={1}
+                        value={form.runtime.token_refresh_interval_hours}
+                        onChange={(e) => setForm((prev) => ({
+                            ...prev,
+                            runtime: { ...prev.runtime, token_refresh_interval_hours: Number(e.target.value || 1) },
+                        }))}
+                        className="w-full bg-background border border-border rounded-lg px-3 py-2"
+                    />
+                </label>
             </div>
         </div>
     )

webui/src/features/settings/useSettingsForm.js

@@ -12,7 +12,7 @@ const MAX_AUTO_FETCH_FAILURES = 3
 
 const DEFAULT_FORM = {
     admin: { jwt_expire_hours: 24 },
-    runtime: { account_max_inflight: 2, account_max_queue: 10, global_max_inflight: 10 },
+    runtime: { account_max_inflight: 2, account_max_queue: 10, global_max_inflight: 10, token_refresh_interval_hours: 6 },
     toolcall: { mode: 'feature_match', early_emit_confidence: 'high' },
     responses: { store_ttl_seconds: 900 },
     embeddings: { provider: '' },
@@ -45,6 +45,7 @@ function fromServerForm(data) {
             account_max_inflight: Number(data.runtime?.account_max_inflight || 2),
             account_max_queue: Number(data.runtime?.account_max_queue || 10),
             global_max_inflight: Number(data.runtime?.global_max_inflight || 10),
+            token_refresh_interval_hours: Number(data.runtime?.token_refresh_interval_hours || 6),
         },
         toolcall: {
             mode: data.toolcall?.mode || 'feature_match',
@@ -71,6 +72,7 @@ function toServerPayload(form) {
             account_max_inflight: Number(form.runtime.account_max_inflight),
             account_max_queue: Number(form.runtime.account_max_queue),
             global_max_inflight: Number(form.runtime.global_max_inflight),
+            token_refresh_interval_hours: Number(form.runtime.token_refresh_interval_hours),
         },
         toolcall: {
             mode: String(form.toolcall.mode || '').trim(),

webui/src/locales/en.json

@@ -222,10 +222,11 @@
         "passwordTooShort": "Password must be at least 4 characters.",
         "passwordUpdated": "Password updated. Please sign in again.",
         "passwordUpdateFailed": "Failed to update password.",
-        "runtimeTitle": "Concurrency & Queue",
+        "runtimeTitle": "Runtime",
         "accountMaxInflight": "Per-account max inflight",
         "accountMaxQueue": "Account max queue size",
         "globalMaxInflight": "Global max inflight",
+        "tokenRefreshIntervalHours": "Managed token refresh interval (hours)",
         "behaviorTitle": "Behavior",
         "toolcallMode": "Toolcall mode",
         "earlyEmitConfidence": "Early emit confidence",

webui/src/locales/zh.json

@@ -222,10 +222,11 @@
         "passwordTooShort": "新密码至少 4 位",
         "passwordUpdated": "密码已更新，需重新登录",
         "passwordUpdateFailed": "密码更新失败",
-        "runtimeTitle": "并发与队列",
+        "runtimeTitle": "运行时设置",
         "accountMaxInflight": "每账号并发上限",
         "accountMaxQueue": "账号等待队列上限",
         "globalMaxInflight": "全局并发上限",
+        "tokenRefreshIntervalHours": "托管账号 Token 刷新间隔（小时）",
         "behaviorTitle": "行为设置",
         "toolcallMode": "Toolcall 模式",
         "earlyEmitConfidence": "早发置信度",