feat: add RPM config to EditAccountModal

frontend/src/components/account/EditAccountModal.vue

@@ -946,6 +946,56 @@
           </div>
         </div>
 
+        <!-- RPM Limit -->
+        <div class="rounded-lg border border-gray-200 p-4 dark:border-dark-600">
+          <div class="mb-3 flex items-center justify-between">
+            <div>
+              <label class="input-label mb-0">{{ t('admin.accounts.quotaControl.rpmLimit.label') }}</label>
+              <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
+                {{ t('admin.accounts.quotaControl.rpmLimit.hint') }}
+              </p>
+            </div>
+            <button
+              type="button"
+              @click="rpmLimitEnabled = !rpmLimitEnabled"
+              :class="[
+                'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
+                rpmLimitEnabled ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
+              ]"
+            >
+              <span
+                :class="[
+                  'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
+                  rpmLimitEnabled ? 'translate-x-5' : 'translate-x-0'
+                ]"
+              />
+            </button>
+          </div>
+
+          <div v-if="rpmLimitEnabled" class="grid grid-cols-2 gap-4">
+            <div>
+              <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpm') }}</label>
+              <input
+                v-model.number="baseRpm"
+                type="number"
+                min="1"
+                step="1"
+                class="input"
+                :placeholder="t('admin.accounts.quotaControl.rpmLimit.baseRpmPlaceholder')"
+              />
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpmHint') }}</p>
+            </div>
+            <div>
+              <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.strategy') }}</label>
+              <select v-model="rpmStrategy" class="input">
+                <option value="tiered">{{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}</option>
+                <option value="sticky_exempt">{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}</option>
+              </select>
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.strategyHint') }}</p>
+            </div>
+          </div>
+        </div>
+
         <!-- TLS Fingerprint -->
         <div class="rounded-lg border border-gray-200 p-4 dark:border-dark-600">
           <div class="flex items-center justify-between">
@@ -1251,6 +1301,9 @@ const windowCostStickyReserve = ref<number | null>(null)
 const sessionLimitEnabled = ref(false)
 const maxSessions = ref<number | null>(null)
 const sessionIdleTimeout = ref<number | null>(null)
+const rpmLimitEnabled = ref(false)
+const baseRpm = ref<number | null>(null)
+const rpmStrategy = ref<string>('tiered')
 const tlsFingerprintEnabled = ref(false)
 const sessionIdMaskingEnabled = ref(false)
 const cacheTTLOverrideEnabled = ref(false)
@@ -1710,6 +1763,9 @@ function loadQuotaControlSettings(account: Account) {
   sessionLimitEnabled.value = false
   maxSessions.value = null
   sessionIdleTimeout.value = null
+  rpmLimitEnabled.value = false
+  baseRpm.value = null
+  rpmStrategy.value = 'tiered'
   tlsFingerprintEnabled.value = false
   sessionIdMaskingEnabled.value = false
   cacheTTLOverrideEnabled.value = false
@@ -1733,6 +1789,13 @@ function loadQuotaControlSettings(account: Account) {
     sessionIdleTimeout.value = account.session_idle_timeout_minutes ?? 5
   }
 
+  // RPM limit
+  if (account.base_rpm != null && account.base_rpm > 0) {
+    rpmLimitEnabled.value = true
+    baseRpm.value = account.base_rpm
+    rpmStrategy.value = account.rpm_strategy || 'tiered'
+  }
+
   // Load TLS fingerprint setting
   if (account.enable_tls_fingerprint === true) {
     tlsFingerprintEnabled.value = true
@@ -2043,6 +2106,16 @@ const handleSubmit = async () => {
         delete newExtra.session_idle_timeout_minutes
       }
 
+      // RPM limit settings
+      if (rpmLimitEnabled.value && baseRpm.value != null && baseRpm.value > 0) {
+        newExtra.base_rpm = baseRpm.value
+        newExtra.rpm_strategy = rpmStrategy.value
+      } else {
+        delete newExtra.base_rpm
+        delete newExtra.rpm_strategy
+        delete newExtra.rpm_sticky_buffer
+      }
+
       // TLS fingerprint setting
       if (tlsFingerprintEnabled.value) {
         newExtra.enable_tls_fingerprint = true