Merge pull request #846 from RWDai/review/pr-02-user-bulk-balance

feat(admin): batch adjust user wallet balances

.github/workflows/rust-ci.yml

@@ -603,6 +603,13 @@ jobs:
           AETHER_TEST_DATABASE_URL: postgres://aether:[email protected]:5432/aether_test
         run: cargo test -p aether-data-postgres live_payment_callback --lib -- --ignored --nocapture
 
+      - name: Run Postgres batch wallet deduction regression
+        env:
+          RUSTC_WRAPPER: sccache
+          SCCACHE_GHA_ENABLED: "true"
+          AETHER_TEST_DATABASE_URL: postgres://aether:[email protected]:5432/aether_test
+        run: cargo test -p aether-data-postgres live_bulk_wallet_adjustment_persists_actual_delta_and_skips_zero_ledger --lib -- --ignored --nocapture
+
       - name: Run Postgres API key lifecycle tests
         env:
           RUSTC_WRAPPER: sccache

apps/aether-gateway/src/data/state/mod.rs

@@ -62,8 +62,9 @@ pub(crate) use aether_data::repository::users::{
     StoredUserPreferenceRecord, StoredUserSessionRecord,
 };
 use aether_data::repository::wallet::{
-    AdjustWalletBalanceInput, AdminPaymentOrderListQuery, AdminRedeemCodeBatchListQuery,
-    AdminRedeemCodeListQuery, AdminWalletLedgerQuery, AdminWalletListQuery,
+    AdjustWalletBalanceInBatchInput, AdjustWalletBalanceInput, AdminPaymentOrderListQuery,
+    AdminRedeemCodeBatchListQuery, AdminRedeemCodeListQuery,
+    AdminUserWalletBalanceBatchUserOutcome, AdminWalletLedgerQuery, AdminWalletListQuery,
     AdminWalletRefundRequestListQuery, CompareAndSwapPaymentOrderStripeClientSecretInput,
     CompleteAdminWalletRefundInput, CreateAdminRedeemCodeBatchInput,
     CreateAdminRedeemCodeBatchResult, CreateManualWalletRechargeInput,
@@ -72,13 +73,14 @@ use aether_data::repository::wallet::{
     CreateWalletRefundRequestOutcome, CreditAdminPaymentOrderInput,
     DeleteAdminRedeemCodeBatchInput, DisableAdminRedeemCodeBatchInput, DisableAdminRedeemCodeInput,
     FailAdminWalletRefundInput, FailWalletRechargeCheckoutInput, InitializeAuthWalletOutcome,
+    PrepareAdminUserWalletBalanceBatchInput, PrepareAdminUserWalletBalanceBatchOutcome,
     ProcessAdminWalletRefundInput, ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome,
     ReclaimWalletRechargeCheckoutInput, RedeemWalletCodeInput, RedeemWalletCodeOutcome,
     StoredAdminPaymentCallback, StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder,
     StoredAdminPaymentOrderPage, StoredAdminRedeemCode, StoredAdminRedeemCodeBatch,
-    StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage, StoredAdminWalletLedgerPage,
-    StoredAdminWalletListPage, StoredAdminWalletRefund, StoredAdminWalletRefundPage,
-    StoredAdminWalletRefundRequestPage, StoredAdminWalletTransaction,
+    StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage, StoredAdminUserWalletBalanceBatch,
+    StoredAdminWalletLedgerPage, StoredAdminWalletListPage, StoredAdminWalletRefund,
+    StoredAdminWalletRefundPage, StoredAdminWalletRefundRequestPage, StoredAdminWalletTransaction,
     StoredAdminWalletTransactionPage, StoredWalletDailyUsageLedger,
     StoredWalletDailyUsageLedgerPage, StoredWalletSnapshot, UpdateAdminWalletRefundGatewayInput,
     UpdateWalletRechargeCheckoutInput, WalletLookupKey, WalletMutationOutcome,

apps/aether-gateway/src/data/state/runtime.rs

@@ -1,9 +1,10 @@
 use super::{
     read_decision_trace, read_provider_transport_snapshot, read_request_candidate_trace,
-    AdjustWalletBalanceInput, AdminBillingCollectorRecord, AdminBillingCollectorWriteInput,
-    AdminBillingMutationOutcome, AdminBillingPresetApplyResult, AdminBillingRuleRecord,
-    AdminBillingRuleWriteInput, AdminPaymentOrderListQuery, AdminRedeemCodeBatchListQuery,
-    AdminRedeemCodeListQuery, AdminWalletLedgerQuery, AdminWalletListQuery,
+    AdjustWalletBalanceInBatchInput, AdjustWalletBalanceInput, AdminBillingCollectorRecord,
+    AdminBillingCollectorWriteInput, AdminBillingMutationOutcome, AdminBillingPresetApplyResult,
+    AdminBillingRuleRecord, AdminBillingRuleWriteInput, AdminPaymentOrderListQuery,
+    AdminRedeemCodeBatchListQuery, AdminRedeemCodeListQuery,
+    AdminUserWalletBalanceBatchUserOutcome, AdminWalletLedgerQuery, AdminWalletListQuery,
     AdminWalletRefundRequestListQuery, AnnouncementListQuery, AuditLogListQuery,
     BackgroundTaskListQuery, BackgroundTaskSummary, BillingModelContextCacheKey,
     BillingModelContextCacheState, BillingModelContextInflightState, BillingPlanRecord,
@@ -17,24 +18,25 @@ use super::{
     DisableAdminRedeemCodeBatchInput, DisableAdminRedeemCodeInput, FailAdminWalletRefundInput,
     FailWalletRechargeCheckoutInput, GatewayDataState, GatewayProviderTransportSnapshot,
     LocalVideoTaskReadResponse, PaymentGatewayConfigCasWriteInput, PaymentGatewayConfigRecord,
-    PaymentGatewayConfigWriteInput, PaymentGatewaySecretCasUpdate, ProcessAdminWalletRefundInput,
-    ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome, ReclaimWalletRechargeCheckoutInput,
-    ReconcileUsagePolicyCostInput, RedeemWalletCodeInput, RedeemWalletCodeOutcome,
-    ReleaseUsagePolicyRequestAdmissionInput, RequestAuditBundle, RequestCandidateTrace,
-    ReserveUsagePolicyCostInput, ReserveUsagePolicyCostOutcome, ReserveUsagePolicyRequestInput,
-    ReserveUsagePolicyRequestOutcome, StoredAdminAuditLogPage, StoredAdminPaymentCallbackPage,
-    StoredAdminPaymentOrder, StoredAdminPaymentOrderPage, StoredAdminRedeemCodeBatch,
-    StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage, StoredAdminWalletLedgerPage,
-    StoredAdminWalletListPage, StoredAdminWalletRefund, StoredAdminWalletRefundPage,
-    StoredAdminWalletRefundRequestPage, StoredAdminWalletTransaction,
-    StoredAdminWalletTransactionPage, StoredAnnouncement, StoredAnnouncementPage,
-    StoredBackgroundTaskEvent, StoredBackgroundTaskRun, StoredBackgroundTaskRunPage,
-    StoredBillingModelContext, StoredProviderQuotaSnapshot, StoredProviderUsageSummary,
-    StoredRequestUsageAudit, StoredSuspiciousActivity, StoredUsagePolicyCostReservation,
-    StoredUsagePolicyRequestAdmission, StoredUsageSettlement, StoredUserAuditLogPage,
-    StoredUserAuthRecord, StoredUserExportRow, StoredUserSummary, StoredVideoTask,
-    StoredWalletDailyUsageLedger, StoredWalletDailyUsageLedgerPage, StoredWalletSnapshot,
-    UpdateAdminWalletRefundGatewayInput, UpdateAnnouncementRecord,
+    PaymentGatewayConfigWriteInput, PaymentGatewaySecretCasUpdate,
+    PrepareAdminUserWalletBalanceBatchInput, PrepareAdminUserWalletBalanceBatchOutcome,
+    ProcessAdminWalletRefundInput, ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome,
+    ReclaimWalletRechargeCheckoutInput, ReconcileUsagePolicyCostInput, RedeemWalletCodeInput,
+    RedeemWalletCodeOutcome, ReleaseUsagePolicyRequestAdmissionInput, RequestAuditBundle,
+    RequestCandidateTrace, ReserveUsagePolicyCostInput, ReserveUsagePolicyCostOutcome,
+    ReserveUsagePolicyRequestInput, ReserveUsagePolicyRequestOutcome, StoredAdminAuditLogPage,
+    StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder, StoredAdminPaymentOrderPage,
+    StoredAdminRedeemCodeBatch, StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage,
+    StoredAdminUserWalletBalanceBatch, StoredAdminWalletLedgerPage, StoredAdminWalletListPage,
+    StoredAdminWalletRefund, StoredAdminWalletRefundPage, StoredAdminWalletRefundRequestPage,
+    StoredAdminWalletTransaction, StoredAdminWalletTransactionPage, StoredAnnouncement,
+    StoredAnnouncementPage, StoredBackgroundTaskEvent, StoredBackgroundTaskRun,
+    StoredBackgroundTaskRunPage, StoredBillingModelContext, StoredProviderQuotaSnapshot,
+    StoredProviderUsageSummary, StoredRequestUsageAudit, StoredSuspiciousActivity,
+    StoredUsagePolicyCostReservation, StoredUsagePolicyRequestAdmission, StoredUsageSettlement,
+    StoredUserAuditLogPage, StoredUserAuthRecord, StoredUserExportRow, StoredUserSummary,
+    StoredVideoTask, StoredWalletDailyUsageLedger, StoredWalletDailyUsageLedgerPage,
+    StoredWalletSnapshot, UpdateAdminWalletRefundGatewayInput, UpdateAnnouncementRecord,
     UpdateWalletRechargeCheckoutInput, UpsertBackgroundTaskEvent, UpsertBackgroundTaskRun,
     UpsertUsageRecord, UpsertVideoTask, UsageSettlementInput, UserDailyQuotaAvailabilityRecord,
     UserPlanEntitlementRecord, VideoTaskLookupKey, VideoTaskModelCount, VideoTaskQueryFilter,
@@ -1066,13 +1068,81 @@ impl GatewayDataState {
     pub(crate) async fn adjust_wallet_balance(
         &self,
         input: AdjustWalletBalanceInput,
-    ) -> Result<Option<(StoredWalletSnapshot, StoredAdminWalletTransaction)>, DataLayerError> {
+    ) -> Result<Option<(StoredWalletSnapshot, Option<StoredAdminWalletTransaction>)>, DataLayerError>
+    {
         match &self.wallet_writer {
             Some(repository) => repository.adjust_wallet_balance(input).await,
             None => Ok(None),
         }
     }
 
+    pub(crate) async fn prepare_admin_user_wallet_balance_batch(
+        &self,
+        input: PrepareAdminUserWalletBalanceBatchInput,
+    ) -> Result<Option<PrepareAdminUserWalletBalanceBatchOutcome>, DataLayerError> {
+        match &self.wallet_writer {
+            Some(repository) => repository
+                .prepare_admin_user_wallet_balance_batch(input)
+                .await
+                .map(Some),
+            None => Ok(None),
+        }
+    }
+
+    pub(crate) async fn get_admin_user_wallet_balance_batch(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        request_fingerprint: &str,
+    ) -> Result<Option<PrepareAdminUserWalletBalanceBatchOutcome>, DataLayerError> {
+        match &self.wallet_writer {
+            Some(repository) => {
+                repository
+                    .get_admin_user_wallet_balance_batch(
+                        admin_user_id,
+                        idempotency_key,
+                        request_fingerprint,
+                    )
+                    .await
+            }
+            None => Ok(None),
+        }
+    }
+
+    pub(crate) async fn adjust_admin_user_wallet_balance_batch_user(
+        &self,
+        input: AdjustWalletBalanceInBatchInput,
+    ) -> Result<Option<AdminUserWalletBalanceBatchUserOutcome>, DataLayerError> {
+        match &self.wallet_writer {
+            Some(repository) => repository
+                .adjust_admin_user_wallet_balance_batch_user(input)
+                .await
+                .map(Some),
+            None => Ok(None),
+        }
+    }
+
+    pub(crate) async fn record_admin_user_wallet_balance_batch_failure(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        user_id: &str,
+        reason: &str,
+    ) -> Result<Option<AdminUserWalletBalanceBatchUserOutcome>, DataLayerError> {
+        match &self.wallet_writer {
+            Some(repository) => repository
+                .record_admin_user_wallet_balance_batch_failure(
+                    admin_user_id,
+                    idempotency_key,
+                    user_id,
+                    reason,
+                )
+                .await
+                .map(Some),
+            None => Ok(None),
+        }
+    }
+
     pub(crate) async fn create_manual_wallet_recharge(
         &self,
         input: CreateManualWalletRechargeInput,

apps/aether-gateway/src/handlers/admin/billing/wallets/mutations/adjust.rs

@@ -63,13 +63,14 @@ pub(in super::super) async fn build_admin_wallet_adjust_response(
     }
     let operator_id = admin_wallet_operator_id(request_context);
     let has_wallet_writer = state.has_wallet_data_writer();
-    let Some((wallet, transaction)) = state
+    let Some((wallet, Some(transaction))) = state
         .admin_adjust_wallet_balance(
             &wallet_id,
             amount_usd,
             &balance_type,
             operator_id.as_deref(),
             description.as_deref(),
+            false,
         )
         .await?
     else {

apps/aether-gateway/src/handlers/admin/request/billing.rs

@@ -387,10 +387,11 @@ impl<'a> AdminAppState<'a> {
         balance_type: &str,
         operator_id: Option<&str>,
         description: Option<&str>,
+        clamp_deduction_to_available_balance: bool,
     ) -> Result<
         Option<(
             aether_data::repository::wallet::StoredWalletSnapshot,
-            crate::AdminWalletTransactionRecord,
+            Option<crate::AdminWalletTransactionRecord>,
         )>,
         GatewayError,
     > {
@@ -401,6 +402,7 @@ impl<'a> AdminAppState<'a> {
                 balance_type,
                 operator_id,
                 description,
+                clamp_deduction_to_available_balance,
             )
             .await
     }

apps/aether-gateway/src/handlers/admin/request/state.rs

@@ -17,6 +17,64 @@ impl<'a> AdminAppState<'a> {
     pub(crate) fn cloned_app(&self) -> AppState {
         self.app.clone()
     }
+
+    pub(crate) async fn get_admin_user_wallet_balance_batch(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        request_fingerprint: &str,
+    ) -> Result<
+        Option<aether_data::repository::wallet::PrepareAdminUserWalletBalanceBatchOutcome>,
+        GatewayError,
+    > {
+        self.app
+            .get_admin_user_wallet_balance_batch(
+                admin_user_id,
+                idempotency_key,
+                request_fingerprint,
+            )
+            .await
+    }
+
+    pub(crate) async fn prepare_admin_user_wallet_balance_batch(
+        &self,
+        input: aether_data::repository::wallet::PrepareAdminUserWalletBalanceBatchInput,
+    ) -> Result<
+        aether_data::repository::wallet::PrepareAdminUserWalletBalanceBatchOutcome,
+        GatewayError,
+    > {
+        self.app
+            .prepare_admin_user_wallet_balance_batch(input)
+            .await
+    }
+
+    pub(crate) async fn record_admin_user_wallet_balance_batch_failure(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        user_id: &str,
+        reason: &str,
+    ) -> Result<aether_data::repository::wallet::AdminUserWalletBalanceBatchUserOutcome, GatewayError>
+    {
+        self.app
+            .record_admin_user_wallet_balance_batch_failure(
+                admin_user_id,
+                idempotency_key,
+                user_id,
+                reason,
+            )
+            .await
+    }
+
+    pub(crate) async fn adjust_admin_user_wallet_balance_batch_user(
+        &self,
+        input: aether_data::repository::wallet::AdjustWalletBalanceInBatchInput,
+    ) -> Result<aether_data::repository::wallet::AdminUserWalletBalanceBatchUserOutcome, GatewayError>
+    {
+        self.app
+            .adjust_admin_user_wallet_balance_batch_user(input)
+            .await
+    }
 }
 
 impl<'a> AsRef<AppState> for AdminAppState<'a> {

apps/aether-gateway/src/handlers/admin/users/batch.rs

@@ -1,11 +1,16 @@
 use super::{
     build_admin_users_bad_request_response, build_admin_users_permission_denied_response,
-    build_admin_users_read_only_response, disabled_user_policy_detail, disabled_user_policy_field,
+    build_admin_users_read_only_response, build_admin_users_wallet_permission_denied_response,
+    disabled_user_policy_detail, disabled_user_policy_field,
+    management_token_may_adjust_admin_wallet_balance,
     management_token_may_administer_user_accounts, normalize_admin_user_role,
 };
 use crate::handlers::admin::request::{AdminAppState, AdminRequestContext};
 use crate::handlers::admin::shared::attach_admin_audit_response;
 use crate::GatewayError;
+use aether_data::repository::wallet::{
+    AdminUserWalletBalanceBatchUserOutcome, PrepareAdminUserWalletBalanceBatchOutcome,
+};
 use axum::{
     body::{Body, Bytes},
     http,
@@ -13,9 +18,10 @@ use axum::{
     Json,
 };
 use serde_json::{json, Value};
+use sha2::{Digest as _, Sha256};
 use std::collections::{BTreeMap, BTreeSet};
 
-#[derive(Debug, Clone, Default, serde::Deserialize)]
+#[derive(Debug, Clone, Default, serde::Deserialize, serde::Serialize)]
 struct AdminUserSelectionFilters {
     #[serde(default)]
     search: Option<String>,
@@ -27,7 +33,7 @@ struct AdminUserSelectionFilters {
     group_id: Option<String>,
 }
 
-#[derive(Debug, Clone, Default)]
+#[derive(Debug, Clone, Default, serde::Serialize)]
 struct AdminUserSelectionRequest {
     user_ids: Vec<String>,
     group_ids: Vec<String>,
@@ -40,6 +46,7 @@ struct AdminUserBatchActionRequest {
     selection: AdminUserSelectionRequest,
     action: String,
     payload: Option<Value>,
+    idempotency_key: Option<String>,
 }
 
 #[derive(Debug, serde::Deserialize)]
@@ -48,6 +55,8 @@ struct RawAdminUserBatchActionRequest {
     action: String,
     #[serde(default)]
     payload: Option<Value>,
+    #[serde(default)]
+    idempotency_key: Option<String>,
 }
 
 #[derive(Debug, Clone, Default)]
@@ -68,7 +77,7 @@ struct AdminUserSelectionItem {
     matched_by: Vec<String>,
 }
 
-#[derive(Debug, Clone, serde::Serialize)]
+#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
 struct AdminUserSelectionWarning {
     #[serde(rename = "type")]
     warning_type: String,
@@ -88,6 +97,7 @@ struct AdminUserBatchMutation {
     role: Option<String>,
     is_active: Option<bool>,
     unlimited: Option<bool>,
+    wallet_balance_adjustment: Option<AdminUserWalletBalanceAdjustment>,
     modified_fields: Vec<&'static str>,
 }
 
@@ -97,6 +107,28 @@ impl AdminUserBatchMutation {
     }
 }
 
+#[derive(Debug, Clone, Copy)]
+struct AdminUserWalletBalanceAdjustment {
+    operation: AdminUserWalletBalanceOperation,
+    amount: f64,
+}
+
+#[derive(Debug, Clone, Copy)]
+enum AdminUserWalletBalanceOperation {
+    Add,
+    Deduct,
+}
+
+enum AdminBatchWalletBalanceAdjustmentError {
+    WalletLookup,
+    BalanceAdjustment,
+}
+
+enum AdminBatchWalletLimitModeError {
+    WalletLookup,
+    Mutation,
+}
+
 pub(in super::super) async fn build_admin_resolve_user_selection_response(
     state: &AdminAppState<'_>,
     _request_context: &AdminRequestContext<'_>,
@@ -128,10 +160,29 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
         Ok(value) => value,
         Err(detail) => return Ok(build_admin_user_batch_bad_request_response(detail)),
     };
-    let mutation = match parse_batch_mutation(&request.action, request.payload) {
+    let mutation = match parse_batch_mutation(&request.action, request.payload.clone()) {
         Ok(value) => value,
         Err(detail) => return Ok(build_admin_user_batch_bad_request_response(detail)),
     };
+    if mutation.wallet_balance_adjustment.is_some() {
+        if !management_token_may_adjust_admin_wallet_balance(request_context) {
+            return Ok(build_admin_users_wallet_permission_denied_response(
+                request_context,
+            ));
+        }
+        if !state.has_auth_wallet_write_capability() {
+            return Ok(build_admin_users_read_only_response(
+                "当前为只读模式，无法批量调整用户钱包余额",
+            ));
+        }
+        return build_admin_user_wallet_balance_batch_response(
+            state,
+            request_context,
+            request,
+            mutation,
+        )
+        .await;
+    }
     let resolved = match resolve_admin_user_selection(state, request.selection).await {
         Ok(value) => value,
         Err(detail) => return Ok(build_admin_user_batch_bad_request_response(detail)),
@@ -177,9 +228,29 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
         .iter()
         .map(|user_id| json!({ "user_id": user_id, "reason": "用户不存在或已删除" }))
         .collect::<Vec<_>>();
+    let mut completed_user_ids = Vec::new();
+    let mut uncertain_user_ids = Vec::new();
+    let mut unprocessed_user_ids = Vec::new();
+    let mut interrupted = false;
 
-    for item in &resolved.items {
-        if state.find_user_auth_by_id(&item.user_id).await?.is_none() {
+    for (item_index, item) in resolved.items.iter().enumerate() {
+        let user = match state.find_user_auth_by_id(&item.user_id).await {
+            Ok(user) => user,
+            Err(_) => {
+                record_batch_action_interruption(
+                    &resolved.items,
+                    item_index,
+                    false,
+                    "读取用户状态失败，批次已中止，该用户未执行",
+                    &mut failures,
+                    &mut uncertain_user_ids,
+                    &mut unprocessed_user_ids,
+                );
+                interrupted = true;
+                break;
+            }
+        };
+        if user.is_none() {
             failures.push(json!({
                 "user_id": item.user_id,
                 "reason": "用户不存在或已删除",
@@ -202,17 +273,92 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
         }
 
         if let Some(unlimited) = mutation.unlimited {
-            if !apply_batch_user_wallet_limit_mode(state, &item.user_id, unlimited).await? {
+            match apply_batch_user_wallet_limit_mode(state, &item.user_id, unlimited).await {
+                Ok(true) => {}
+                Ok(false) => {
                     failures.push(json!({
                         "user_id": item.user_id,
                         "reason": "用户钱包不可用",
                     }));
                     continue;
                 }
+                Err(AdminBatchWalletLimitModeError::WalletLookup) => {
+                    record_batch_action_interruption(
+                        &resolved.items,
+                        item_index,
+                        false,
+                        "读取用户钱包失败，批次已中止，该用户未执行",
+                        &mut failures,
+                        &mut uncertain_user_ids,
+                        &mut unprocessed_user_ids,
+                    );
+                    interrupted = true;
+                    break;
+                }
+                Err(AdminBatchWalletLimitModeError::Mutation) => {
+                    record_batch_action_interruption(
+                        &resolved.items,
+                        item_index,
+                        true,
+                        "用户钱包更新结果未确认，批次已中止，请核对钱包后再重试",
+                        &mut failures,
+                        &mut uncertain_user_ids,
+                        &mut unprocessed_user_ids,
+                    );
+                    interrupted = true;
+                    break;
+                }
+            }
         }
 
-        if mutation.has_auth_user_fields()
-            && state
+        if let Some(adjustment) = mutation.wallet_balance_adjustment {
+            match apply_batch_user_wallet_balance_adjustment(
+                state,
+                &item.user_id,
+                adjustment,
+                current_admin_user_id,
+            )
+            .await
+            {
+                Ok(true) => {}
+                Ok(false) => {
+                    failures.push(json!({
+                        "user_id": item.user_id,
+                        "reason": "用户钱包不可用",
+                    }));
+                    continue;
+                }
+                Err(AdminBatchWalletBalanceAdjustmentError::WalletLookup) => {
+                    record_batch_action_interruption(
+                        &resolved.items,
+                        item_index,
+                        false,
+                        "读取用户钱包失败，批次已中止，该用户未执行",
+                        &mut failures,
+                        &mut uncertain_user_ids,
+                        &mut unprocessed_user_ids,
+                    );
+                    interrupted = true;
+                    break;
+                }
+                Err(AdminBatchWalletBalanceAdjustmentError::BalanceAdjustment) => {
+                    record_batch_action_interruption(
+                        &resolved.items,
+                        item_index,
+                        true,
+                        "余额调整结果未确认，批次已中止，请核对钱包后再重试",
+                        &mut failures,
+                        &mut uncertain_user_ids,
+                        &mut unprocessed_user_ids,
+                    );
+                    interrupted = true;
+                    break;
+                }
+            }
+        }
+
+        if mutation.has_auth_user_fields() {
+            let updated_user = match state
                 .update_local_auth_user_admin_fields(
                     &item.user_id,
                     mutation.role.clone(),
@@ -226,22 +372,39 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
                     None,
                     mutation.is_active,
                 )
-                .await?
-                .is_none()
+                .await
             {
+                Ok(user) => user,
+                Err(_) => {
+                    record_batch_action_interruption(
+                        &resolved.items,
+                        item_index,
+                        true,
+                        "用户更新结果未确认，批次已中止，请核对后再重试",
+                        &mut failures,
+                        &mut uncertain_user_ids,
+                        &mut unprocessed_user_ids,
+                    );
+                    interrupted = true;
+                    break;
+                }
+            };
+            if updated_user.is_none() {
                 failures.push(json!({
                     "user_id": item.user_id,
                     "reason": "用户不存在或已删除",
                 }));
                 continue;
             }
+        }
 
         success += 1;
+        completed_user_ids.push(item.user_id.clone());
     }
 
     let failed = failures.len();
     let total = success + failed;
-    let response = Json(json!({
+    let mut response_payload = json!({
         "total": total,
         "success": success,
         "failed": failed,
@@ -249,8 +412,14 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
         "warnings": resolved.warnings,
         "action": request.action.trim().to_ascii_lowercase(),
         "modified_fields": mutation.modified_fields,
-    }))
-    .into_response();
+        "interrupted": interrupted,
+    });
+    if interrupted {
+        response_payload["completed_user_ids"] = json!(completed_user_ids);
+        response_payload["uncertain_user_ids"] = json!(uncertain_user_ids);
+        response_payload["unprocessed_user_ids"] = json!(unprocessed_user_ids);
+    }
+    let response = Json(response_payload).into_response();
 
     Ok(attach_admin_audit_response(
         response,
@@ -261,6 +430,408 @@ pub(in super::super) async fn build_admin_user_batch_action_response(
     ))
 }
 
+fn record_batch_action_interruption(
+    items: &[AdminUserSelectionItem],
+    item_index: usize,
+    current_result_uncertain: bool,
+    reason: &str,
+    failures: &mut Vec<Value>,
+    uncertain_user_ids: &mut Vec<String>,
+    unprocessed_user_ids: &mut Vec<String>,
+) {
+    let current_item = &items[item_index];
+    failures.push(json!({
+        "user_id": current_item.user_id,
+        "reason": reason,
+    }));
+    if current_result_uncertain {
+        uncertain_user_ids.push(current_item.user_id.clone());
+    } else {
+        unprocessed_user_ids.push(current_item.user_id.clone());
+    }
+
+    for item in items.iter().skip(item_index + 1) {
+        failures.push(json!({
+            "user_id": item.user_id,
+            "reason": "因前序错误未执行",
+        }));
+        unprocessed_user_ids.push(item.user_id.clone());
+    }
+}
+
+async fn build_admin_user_wallet_balance_batch_response(
+    state: &AdminAppState<'_>,
+    request_context: &AdminRequestContext<'_>,
+    request: AdminUserBatchActionRequest,
+    mutation: AdminUserBatchMutation,
+) -> Result<Response<Body>, GatewayError> {
+    let Some(idempotency_key) = request
+        .idempotency_key
+        .as_deref()
+        .map(str::trim)
+        .filter(|value| {
+            !value.is_empty()
+                && value.len() <= 128
+                && value.bytes().all(|byte| (0x21..=0x7e).contains(&byte))
+        })
+    else {
+        return Ok(build_admin_user_batch_bad_request_response(
+            "余额批量操作必须提供有效的 idempotency_key".to_string(),
+        ));
+    };
+    let Some(admin_user_id) = request_context
+        .decision()
+        .and_then(|decision| decision.admin_principal.as_ref())
+        .map(|principal| principal.user_id.clone())
+    else {
+        return Ok(build_admin_users_permission_denied_response(
+            request_context,
+        ));
+    };
+    let action = request.action.trim().to_ascii_lowercase();
+    let fingerprint_payload = json!({
+        "selection": &request.selection,
+        "action": &action,
+        "payload": &request.payload,
+    });
+    let encoded = serde_json::to_vec(&fingerprint_payload)
+        .map_err(|error| GatewayError::Internal(error.to_string()))?;
+    let request_fingerprint = format!("{:x}", Sha256::digest(encoded));
+
+    let existing = state
+        .get_admin_user_wallet_balance_batch(&admin_user_id, idempotency_key, &request_fingerprint)
+        .await?;
+    let batch = match existing {
+        Some(PrepareAdminUserWalletBalanceBatchOutcome::Conflict) => {
+            return Ok(build_admin_user_batch_idempotency_conflict_response());
+        }
+        Some(PrepareAdminUserWalletBalanceBatchOutcome::Ready(batch)) => batch,
+        None => {
+            let resolved =
+                match resolve_admin_user_selection(state, request.selection.clone()).await {
+                    Ok(value) => value,
+                    Err(detail) => return Ok(build_admin_user_batch_bad_request_response(detail)),
+                };
+            let warnings = serde_json::to_value(&resolved.warnings)
+                .ok()
+                .and_then(|value| value.as_array().cloned())
+                .unwrap_or_default();
+            let prepared = state
+                .prepare_admin_user_wallet_balance_batch(
+                    aether_data::repository::wallet::PrepareAdminUserWalletBalanceBatchInput {
+                        admin_user_id: admin_user_id.clone(),
+                        idempotency_key: idempotency_key.to_string(),
+                        request_fingerprint: request_fingerprint.clone(),
+                        target_user_ids: resolved
+                            .items
+                            .iter()
+                            .map(|item| item.user_id.clone())
+                            .collect(),
+                        missing_user_ids: resolved.missing_user_ids,
+                        warnings,
+                    },
+                )
+                .await?;
+            match prepared {
+                PrepareAdminUserWalletBalanceBatchOutcome::Conflict => {
+                    return Ok(build_admin_user_batch_idempotency_conflict_response());
+                }
+                PrepareAdminUserWalletBalanceBatchOutcome::Ready(batch) => batch,
+            }
+        }
+    };
+    let warnings: Vec<AdminUserSelectionWarning> =
+        serde_json::from_value(Value::Array(batch.warnings.clone()))
+            .map_err(|error| GatewayError::Internal(error.to_string()))?;
+    let resolved = ResolvedAdminUserSelection {
+        items: batch
+            .target_user_ids
+            .iter()
+            .map(|user_id| AdminUserSelectionItem {
+                user_id: user_id.clone(),
+                username: String::new(),
+                email: None,
+                role: "user".to_string(),
+                is_active: true,
+                matched_by: Vec::new(),
+            })
+            .collect(),
+        missing_user_ids: batch.missing_user_ids.clone(),
+        warnings,
+    };
+    let adjustment = mutation
+        .wallet_balance_adjustment
+        .expect("wallet balance action should have an adjustment");
+    let signed_amount = match adjustment.operation {
+        AdminUserWalletBalanceOperation::Add => adjustment.amount,
+        AdminUserWalletBalanceOperation::Deduct => -adjustment.amount,
+    };
+
+    let mut outcomes = batch.user_outcomes;
+    let mut completed_user_ids = outcomes
+        .iter()
+        .filter_map(|(user_id, outcome)| {
+            matches!(outcome, AdminUserWalletBalanceBatchUserOutcome::Succeeded)
+                .then_some(user_id.clone())
+        })
+        .collect::<Vec<_>>();
+    let mut success = completed_user_ids.len();
+    let mut failures = resolved
+        .missing_user_ids
+        .iter()
+        .map(|user_id| json!({ "user_id": user_id, "reason": "用户不存在或已删除" }))
+        .collect::<Vec<_>>();
+    for (user_id, outcome) in &outcomes {
+        if let AdminUserWalletBalanceBatchUserOutcome::Failed(reason) = outcome {
+            failures.push(json!({ "user_id": user_id, "reason": reason }));
+        }
+    }
+    let mut uncertain_user_ids = Vec::new();
+    let mut unprocessed_user_ids = Vec::new();
+    let mut interrupted = false;
+
+    for (item_index, item) in resolved.items.iter().enumerate() {
+        if outcomes.contains_key(&item.user_id) {
+            continue;
+        }
+        match state.find_user_auth_by_id(&item.user_id).await {
+            Err(_) => {
+                failures.push(json!({
+                    "user_id": item.user_id,
+                    "reason": "读取用户状态失败，批次已中止，该用户未执行",
+                }));
+                unprocessed_user_ids.push(item.user_id.clone());
+                interrupted = true;
+            }
+            Ok(None) => {
+                let outcome = match state
+                    .record_admin_user_wallet_balance_batch_failure(
+                        &admin_user_id,
+                        idempotency_key,
+                        &item.user_id,
+                        "用户不存在或已删除",
+                    )
+                    .await
+                {
+                    Ok(outcome) => outcome,
+                    Err(_) => {
+                        failures.push(json!({
+                            "user_id": item.user_id,
+                            "reason": "记录用户状态失败，批次已中止，该用户未执行",
+                        }));
+                        unprocessed_user_ids.push(item.user_id.clone());
+                        interrupted = true;
+                        append_wallet_batch_unprocessed_suffix(
+                            &resolved.items,
+                            item_index + 1,
+                            &outcomes,
+                            &mut failures,
+                            &mut unprocessed_user_ids,
+                        );
+                        break;
+                    }
+                };
+                outcomes.insert(item.user_id.clone(), outcome.clone());
+                match outcome {
+                    AdminUserWalletBalanceBatchUserOutcome::Succeeded => {
+                        completed_user_ids.push(item.user_id.clone());
+                        success += 1;
+                    }
+                    AdminUserWalletBalanceBatchUserOutcome::Failed(reason) => {
+                        failures.push(json!({ "user_id": item.user_id, "reason": reason }));
+                    }
+                }
+            }
+            Ok(Some(_)) => {
+                let wallet = match state
+                    .find_wallet(aether_data::repository::wallet::WalletLookupKey::UserId(
+                        &item.user_id,
+                    ))
+                    .await
+                {
+                    Ok(Some(wallet)) => wallet,
+                    Ok(None) => {
+                        let outcome = match state
+                            .record_admin_user_wallet_balance_batch_failure(
+                                &admin_user_id,
+                                idempotency_key,
+                                &item.user_id,
+                                "用户钱包不可用",
+                            )
+                            .await
+                        {
+                            Ok(outcome) => outcome,
+                            Err(_) => {
+                                failures.push(json!({
+                                    "user_id": item.user_id,
+                                    "reason": "记录用户钱包状态失败，批次已中止，该用户未执行",
+                                }));
+                                unprocessed_user_ids.push(item.user_id.clone());
+                                interrupted = true;
+                                append_wallet_batch_unprocessed_suffix(
+                                    &resolved.items,
+                                    item_index + 1,
+                                    &outcomes,
+                                    &mut failures,
+                                    &mut unprocessed_user_ids,
+                                );
+                                break;
+                            }
+                        };
+                        outcomes.insert(item.user_id.clone(), outcome.clone());
+                        match outcome {
+                            AdminUserWalletBalanceBatchUserOutcome::Succeeded => {
+                                completed_user_ids.push(item.user_id.clone());
+                                success += 1;
+                            }
+                            AdminUserWalletBalanceBatchUserOutcome::Failed(reason) => {
+                                failures.push(json!({ "user_id": item.user_id, "reason": reason }));
+                            }
+                        }
+                        continue;
+                    }
+                    Err(_) => {
+                        failures.push(json!({
+                            "user_id": item.user_id,
+                            "reason": "读取用户钱包失败，批次已中止，该用户未执行",
+                        }));
+                        unprocessed_user_ids.push(item.user_id.clone());
+                        interrupted = true;
+                        append_wallet_batch_unprocessed_suffix(
+                            &resolved.items,
+                            item_index + 1,
+                            &outcomes,
+                            &mut failures,
+                            &mut unprocessed_user_ids,
+                        );
+                        break;
+                    }
+                };
+                let result = state
+                    .adjust_admin_user_wallet_balance_batch_user(
+                        aether_data::repository::wallet::AdjustWalletBalanceInBatchInput {
+                            admin_user_id: admin_user_id.clone(),
+                            idempotency_key: idempotency_key.to_string(),
+                            user_id: item.user_id.clone(),
+                            adjustment: aether_data::repository::wallet::AdjustWalletBalanceInput {
+                                wallet_id: wallet.id,
+                                amount_usd: signed_amount,
+                                balance_type: "recharge".to_string(),
+                                operator_id: Some(admin_user_id.clone()),
+                                description: Some("管理员批量调整用户余额".to_string()),
+                                clamp_deduction_to_available_balance: true,
+                                batch_context: None,
+                            },
+                        },
+                    )
+                    .await;
+                match result {
+                    Ok(AdminUserWalletBalanceBatchUserOutcome::Succeeded) => {
+                        outcomes.insert(
+                            item.user_id.clone(),
+                            AdminUserWalletBalanceBatchUserOutcome::Succeeded,
+                        );
+                        completed_user_ids.push(item.user_id.clone());
+                        success += 1;
+                    }
+                    Ok(AdminUserWalletBalanceBatchUserOutcome::Failed(reason)) => {
+                        outcomes.insert(
+                            item.user_id.clone(),
+                            AdminUserWalletBalanceBatchUserOutcome::Failed(reason.clone()),
+                        );
+                        failures.push(json!({ "user_id": item.user_id, "reason": reason }));
+                    }
+                    Err(_) => {
+                        failures.push(json!({
+                            "user_id": item.user_id,
+                            "reason": "余额调整结果未确认，批次已中止，请使用同一批次重试以核对结果",
+                        }));
+                        uncertain_user_ids.push(item.user_id.clone());
+                        interrupted = true;
+                        append_wallet_batch_unprocessed_suffix(
+                            &resolved.items,
+                            item_index + 1,
+                            &outcomes,
+                            &mut failures,
+                            &mut unprocessed_user_ids,
+                        );
+                        break;
+                    }
+                }
+            }
+        }
+        if interrupted {
+            for pending in resolved.items.iter().skip(item_index + 1) {
+                if outcomes.contains_key(&pending.user_id) {
+                    continue;
+                }
+                failures.push(json!({
+                    "user_id": pending.user_id,
+                    "reason": "因前序错误未执行",
+                }));
+                unprocessed_user_ids.push(pending.user_id.clone());
+            }
+            break;
+        }
+    }
+
+    let failed = failures.len();
+    let total = success + failed;
+    let mut response_payload = json!({
+        "total": total,
+        "success": success,
+        "failed": failed,
+        "failures": failures,
+        "warnings": resolved.warnings,
+        "action": action,
+        "modified_fields": mutation.modified_fields,
+        "interrupted": interrupted,
+    });
+    if interrupted {
+        response_payload["completed_user_ids"] = json!(completed_user_ids);
+        response_payload["uncertain_user_ids"] = json!(uncertain_user_ids);
+        response_payload["unprocessed_user_ids"] = json!(unprocessed_user_ids);
+    }
+    let response = Json(response_payload).into_response();
+    Ok(attach_admin_audit_response(
+        response,
+        "admin_users_batch_action_executed",
+        "batch_update_users",
+        "user_batch",
+        "users",
+    ))
+}
+
+fn append_wallet_batch_unprocessed_suffix(
+    items: &[AdminUserSelectionItem],
+    start_index: usize,
+    outcomes: &BTreeMap<String, AdminUserWalletBalanceBatchUserOutcome>,
+    failures: &mut Vec<Value>,
+    unprocessed_user_ids: &mut Vec<String>,
+) {
+    for pending in items.iter().skip(start_index) {
+        if outcomes.contains_key(&pending.user_id) {
+            continue;
+        }
+        failures.push(json!({
+            "user_id": pending.user_id,
+            "reason": "因前序错误未执行",
+        }));
+        unprocessed_user_ids.push(pending.user_id.clone());
+    }
+}
+
+fn build_admin_user_batch_idempotency_conflict_response() -> Response<Body> {
+    (
+        http::StatusCode::CONFLICT,
+        Json(json!({
+            "detail": "idempotency_key was already used with a different request",
+            "error_code": "idempotency_key_conflict",
+        })),
+    )
+        .into_response()
+}
+
 fn parse_resolve_selection_request(
     request_body: Option<&Bytes>,
 ) -> Result<AdminUserSelectionRequest, String> {
@@ -286,6 +857,7 @@ fn parse_batch_action_request(
                 selection: parse_selection_request_value(raw.selection)?,
                 action: raw.action,
                 payload: raw.payload,
+                idempotency_key: raw.idempotency_key,
             })
         }
         _ => Err("Invalid JSON request body".to_string()),
@@ -604,10 +1176,37 @@ fn parse_batch_mutation(
         }),
         "update_access_control" => parse_access_control_mutation(payload),
         "update_role" => parse_role_mutation(payload),
+        "adjust_wallet_balance" => parse_wallet_balance_adjustment_mutation(payload),
         _ => Err("不支持的批量操作".to_string()),
     }
 }
 
+fn parse_wallet_balance_adjustment_mutation(
+    payload: Option<Value>,
+) -> Result<AdminUserBatchMutation, String> {
+    let Some(Value::Object(payload)) = payload else {
+        return Err("payload 必须是对象".to_string());
+    };
+    let operation = match payload.get("operation").and_then(Value::as_str) {
+        Some("add") => AdminUserWalletBalanceOperation::Add,
+        Some("deduct") => AdminUserWalletBalanceOperation::Deduct,
+        _ => return Err("operation 必须为 add 或 deduct".to_string()),
+    };
+    let amount = payload
+        .get("amount")
+        .and_then(Value::as_f64)
+        .ok_or_else(|| "amount 必须为大于 0 的有限数字".to_string())?;
+    if !amount.is_finite() || amount <= 0.0 {
+        return Err("amount 必须为大于 0 的有限数字".to_string());
+    }
+
+    Ok(AdminUserBatchMutation {
+        wallet_balance_adjustment: Some(AdminUserWalletBalanceAdjustment { operation, amount }),
+        modified_fields: vec!["wallet_balance"],
+        ..AdminUserBatchMutation::default()
+    })
+}
+
 fn parse_role_mutation(payload: Option<Value>) -> Result<AdminUserBatchMutation, String> {
     let Some(Value::Object(payload)) = payload else {
         return Err("payload 必须是对象".to_string());
@@ -700,30 +1299,68 @@ async fn apply_batch_user_wallet_limit_mode(
     state: &AdminAppState<'_>,
     user_id: &str,
     unlimited: bool,
-) -> Result<bool, GatewayError> {
+) -> Result<bool, AdminBatchWalletLimitModeError> {
     let desired_limit_mode = if unlimited { "unlimited" } else { "finite" };
-    match state
+    let wallet = state
         .find_wallet(aether_data::repository::wallet::WalletLookupKey::UserId(
             user_id,
         ))
-        .await?
-    {
+        .await
+        .map_err(|_| AdminBatchWalletLimitModeError::WalletLookup)?;
+    match wallet {
         Some(wallet) => {
             if wallet.limit_mode.eq_ignore_ascii_case(desired_limit_mode) {
                 return Ok(true);
             }
             Ok(state
                 .update_auth_user_wallet_limit_mode(user_id, desired_limit_mode)
-                .await?
+                .await
+                .map_err(|_| AdminBatchWalletLimitModeError::Mutation)?
                 .is_some())
         }
         None => Ok(state
             .initialize_auth_user_wallet(user_id, 0.0, unlimited)
-            .await?
+            .await
+            .map_err(|_| AdminBatchWalletLimitModeError::Mutation)?
             .is_some()),
     }
 }
 
+async fn apply_batch_user_wallet_balance_adjustment(
+    state: &AdminAppState<'_>,
+    user_id: &str,
+    adjustment: AdminUserWalletBalanceAdjustment,
+    operator_id: Option<&str>,
+) -> Result<bool, AdminBatchWalletBalanceAdjustmentError> {
+    // Resolve only the wallet ID; the repository clamps the deduction under its row lock.
+    let Some(wallet) = state
+        .find_wallet(aether_data::repository::wallet::WalletLookupKey::UserId(
+            user_id,
+        ))
+        .await
+        .map_err(|_| AdminBatchWalletBalanceAdjustmentError::WalletLookup)?
+    else {
+        return Ok(false);
+    };
+    let amount = match adjustment.operation {
+        AdminUserWalletBalanceOperation::Add => adjustment.amount,
+        AdminUserWalletBalanceOperation::Deduct => -adjustment.amount,
+    };
+
+    state
+        .admin_adjust_wallet_balance(
+            &wallet.id,
+            amount,
+            "recharge",
+            operator_id,
+            Some("管理员批量调整用户余额"),
+            true,
+        )
+        .await
+        .map_err(|_| AdminBatchWalletBalanceAdjustmentError::BalanceAdjustment)
+        .map(|result| result.is_some())
+}
+
 fn build_admin_user_batch_bad_request_response(detail: String) -> Response<Body> {
     if detail.as_str() == "缺少 user_id" {
         return build_admin_users_bad_request_response("缺少 user_id");

apps/aether-gateway/src/handlers/admin/users/mod.rs

@@ -49,12 +49,14 @@ use self::shared::AdminUpdateUserPatch;
 use self::shared::{
     admin_default_user_initial_gift, build_admin_users_bad_request_response,
     build_admin_users_data_unavailable_response, build_admin_users_permission_denied_response,
-    build_admin_users_read_only_response, disabled_user_policy_detail, disabled_user_policy_field,
-    format_optional_datetime_iso8601, legacy_admin_list_policy_mode,
-    legacy_admin_rate_limit_policy_mode, management_token_may_administer_user_accounts,
-    normalize_admin_optional_user_email, normalize_admin_user_group_ids, normalize_admin_user_role,
-    normalize_admin_username, validate_admin_user_password, AdminCreateUserApiKeyRequest,
-    AdminCreateUserRequest, AdminToggleUserApiKeyLockRequest, AdminUpdateUserApiKeyRequest,
+    build_admin_users_read_only_response, build_admin_users_wallet_permission_denied_response,
+    disabled_user_policy_detail, disabled_user_policy_field, format_optional_datetime_iso8601,
+    legacy_admin_list_policy_mode, legacy_admin_rate_limit_policy_mode,
+    management_token_may_adjust_admin_wallet_balance,
+    management_token_may_administer_user_accounts, normalize_admin_optional_user_email,
+    normalize_admin_user_group_ids, normalize_admin_user_role, normalize_admin_username,
+    validate_admin_user_password, AdminCreateUserApiKeyRequest, AdminCreateUserRequest,
+    AdminToggleUserApiKeyLockRequest, AdminUpdateUserApiKeyRequest,
 };
 pub(crate) use self::shared::{
     normalize_admin_list_policy_mode, normalize_admin_rate_limit_policy_mode,

apps/aether-gateway/src/handlers/admin/users/shared.rs

@@ -165,6 +165,18 @@ pub(super) fn management_token_may_administer_user_accounts(
     })
 }
 
+pub(super) fn management_token_may_adjust_admin_wallet_balance(
+    request_context: &crate::handlers::admin::request::AdminRequestContext<'_>,
+) -> bool {
+    request_context.decision().is_some_and(|decision| {
+        crate::control::management_token_principal_has_permission(decision, "admin:wallets:write")
+            || crate::control::management_token_principal_has_permission(
+                decision,
+                "admin:wallets:admin",
+            )
+    })
+}
+
 pub(super) fn build_admin_users_permission_denied_response(
     request_context: &crate::handlers::admin::request::AdminRequestContext<'_>,
 ) -> Response<Body> {
@@ -192,6 +204,34 @@ pub(super) fn build_admin_users_permission_denied_response(
     )
 }
 
+pub(super) fn build_admin_users_wallet_permission_denied_response(
+    request_context: &crate::handlers::admin::request::AdminRequestContext<'_>,
+) -> Response<Body> {
+    let actor_id = request_context
+        .decision()
+        .and_then(|decision| decision.admin_principal.as_ref())
+        .and_then(|principal| principal.management_token_id.as_deref())
+        .unwrap_or("unknown");
+    crate::handlers::admin::shared::attach_admin_audit_response(
+        (
+            http::StatusCode::FORBIDDEN,
+            Json(json!({
+                "detail": "management token permission denied",
+                "required_permissions": ["admin:wallets:write", "admin:wallets:admin"],
+                "permission_mode": "any_of",
+                "route_family": request_context.route_family(),
+                "route_kind": request_context.route_kind(),
+                "request_path": request_context.path(),
+            })),
+        )
+            .into_response(),
+        "admin_user_wallet_balance_permission_denied",
+        "permission_denied",
+        "admin_user_wallet_balance",
+        actor_id,
+    )
+}
+
 pub(super) fn normalize_admin_optional_user_email(
     value: Option<&str>,
 ) -> Result<Option<String>, String> {
@@ -397,9 +437,52 @@ pub(super) fn format_optional_datetime_iso8601(
 
 #[cfg(test)]
 mod tests {
-    use super::{normalize_admin_user_api_formats, AdminUpdateUserApiKeyRequest};
+    use super::{
+        build_admin_users_wallet_permission_denied_response, normalize_admin_user_api_formats,
+        AdminUpdateUserApiKeyRequest,
+    };
+    use crate::control::{GatewayControlDecision, GatewayPublicRequestContext};
+    use crate::handlers::admin::request::AdminRequestContext;
+    use axum::http::{HeaderMap, Method, Uri};
     use serde_json::json;
 
+    #[test]
+    fn wallet_permission_denial_uses_wallet_audit_category() {
+        let uri: Uri = "/api/admin/users/batch-action"
+            .parse()
+            .expect("uri should parse");
+        let method = Method::POST;
+        let headers = HeaderMap::new();
+        let decision = GatewayControlDecision::synthetic(
+            uri.path(),
+            Some("admin_proxy".to_string()),
+            Some("users_manage".to_string()),
+            Some("batch_user_action".to_string()),
+            Some("admin:users".to_string()),
+        );
+        let context = GatewayPublicRequestContext::from_request_parts(
+            "trace-wallet-permission-denied",
+            &method,
+            &uri,
+            &headers,
+            Some(decision),
+        );
+        let request_context = AdminRequestContext::new(&context);
+
+        let response = build_admin_users_wallet_permission_denied_response(&request_context);
+        let event = response
+            .extensions()
+            .get::<crate::audit::AdminAuditEvent>()
+            .expect("wallet denial should attach an audit event");
+
+        assert_eq!(
+            event.event_name,
+            "admin_user_wallet_balance_permission_denied"
+        );
+        assert_eq!(event.action, "permission_denied");
+        assert_eq!(event.target_type, "admin_user_wallet_balance");
+    }
+
     #[test]
     fn admin_user_api_formats_accept_current_canonical_signatures() {
         assert_eq!(

apps/aether-gateway/src/state/app.rs

@@ -492,6 +492,25 @@ pub struct AppState {
         Arc<StdMutex<HashMap<String, aether_data::repository::wallet::StoredWalletSnapshot>>>,
     >,
     #[cfg(test)]
+    pub(crate) auth_wallet_adjustment_error_for_tests: Option<String>,
+    #[cfg(test)]
+    pub(crate) auth_wallet_lookup_error_for_tests: Option<String>,
+    #[cfg(test)]
+    pub(crate) auth_wallet_batch_store_for_tests: Option<
+        Arc<
+            StdMutex<
+                HashMap<
+                    (String, String),
+                    aether_data::repository::wallet::StoredAdminUserWalletBalanceBatch,
+                >,
+            >,
+        >,
+    >,
+    #[cfg(test)]
+    pub(crate) auth_wallet_batch_operation_lock_for_tests: Arc<TokioMutex<()>>,
+    #[cfg(test)]
+    pub(crate) auth_wallet_batch_failure_record_error_for_tests: Option<String>,
+    #[cfg(test)]
     pub(crate) admin_wallet_payment_order_store:
         Option<Arc<StdMutex<HashMap<String, AdminWalletPaymentOrderRecord>>>>,
     #[cfg(test)]

apps/aether-gateway/src/state/core.rs

@@ -471,6 +471,16 @@ impl AppState {
             #[cfg(test)]
             auth_wallet_store: Some(Arc::new(StdMutex::new(HashMap::new()))),
             #[cfg(test)]
+            auth_wallet_adjustment_error_for_tests: None,
+            #[cfg(test)]
+            auth_wallet_lookup_error_for_tests: None,
+            #[cfg(test)]
+            auth_wallet_batch_store_for_tests: Some(Arc::new(StdMutex::new(HashMap::new()))),
+            #[cfg(test)]
+            auth_wallet_batch_operation_lock_for_tests: Arc::new(TokioMutex::new(())),
+            #[cfg(test)]
+            auth_wallet_batch_failure_record_error_for_tests: None,
+            #[cfg(test)]
             admin_wallet_payment_order_store: Some(Arc::new(StdMutex::new(HashMap::new()))),
             #[cfg(test)]
             admin_payment_callback_store: Some(Arc::new(StdMutex::new(HashMap::new()))),

apps/aether-gateway/src/state/runtime/wallet/balance_mutations.rs

@@ -1,8 +1,198 @@
 use crate::{AdminWalletPaymentOrderRecord, AdminWalletTransactionRecord, AppState, GatewayError};
+use aether_data::repository::wallet::{
+    AdjustWalletBalanceInBatchInput, AdminUserWalletBalanceBatchUserOutcome,
+    PrepareAdminUserWalletBalanceBatchInput, PrepareAdminUserWalletBalanceBatchOutcome,
+    StoredAdminUserWalletBalanceBatch,
+};
+use std::collections::BTreeMap;
 
 use super::admin_wallet_build_order_no;
 
 impl AppState {
+    pub(crate) async fn prepare_admin_user_wallet_balance_batch(
+        &self,
+        input: PrepareAdminUserWalletBalanceBatchInput,
+    ) -> Result<PrepareAdminUserWalletBalanceBatchOutcome, GatewayError> {
+        #[cfg(test)]
+        if let Some(store) = self.auth_wallet_batch_store_for_tests.as_ref() {
+            let mut batches = store.lock().expect("auth wallet batch store should lock");
+            let key = (input.admin_user_id.clone(), input.idempotency_key.clone());
+            if let Some(existing) = batches.get(&key) {
+                if existing.request_fingerprint != input.request_fingerprint {
+                    return Ok(PrepareAdminUserWalletBalanceBatchOutcome::Conflict);
+                }
+                return Ok(PrepareAdminUserWalletBalanceBatchOutcome::Ready(
+                    existing.clone(),
+                ));
+            }
+            let batch = StoredAdminUserWalletBalanceBatch {
+                admin_user_id: input.admin_user_id,
+                idempotency_key: input.idempotency_key,
+                request_fingerprint: input.request_fingerprint,
+                target_user_ids: input.target_user_ids,
+                missing_user_ids: input.missing_user_ids,
+                warnings: input.warnings,
+                user_outcomes: BTreeMap::new(),
+            };
+            batches.insert(key, batch.clone());
+            return Ok(PrepareAdminUserWalletBalanceBatchOutcome::Ready(batch));
+        }
+
+        self.data
+            .prepare_admin_user_wallet_balance_batch(input)
+            .await
+            .map_err(|error| GatewayError::Internal(error.to_string()))?
+            .ok_or_else(|| {
+                GatewayError::Internal("admin wallet batch storage is unavailable".to_string())
+            })
+    }
+
+    pub(crate) async fn get_admin_user_wallet_balance_batch(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        request_fingerprint: &str,
+    ) -> Result<Option<PrepareAdminUserWalletBalanceBatchOutcome>, GatewayError> {
+        #[cfg(test)]
+        if let Some(store) = self.auth_wallet_batch_store_for_tests.as_ref() {
+            let batches = store.lock().expect("auth wallet batch store should lock");
+            return Ok(batches
+                .get(&(admin_user_id.to_string(), idempotency_key.to_string()))
+                .map(|existing| {
+                    if existing.request_fingerprint != request_fingerprint {
+                        PrepareAdminUserWalletBalanceBatchOutcome::Conflict
+                    } else {
+                        PrepareAdminUserWalletBalanceBatchOutcome::Ready(existing.clone())
+                    }
+                }));
+        }
+
+        self.data
+            .get_admin_user_wallet_balance_batch(
+                admin_user_id,
+                idempotency_key,
+                request_fingerprint,
+            )
+            .await
+            .map_err(|error| GatewayError::Internal(error.to_string()))
+    }
+
+    pub(crate) async fn adjust_admin_user_wallet_balance_batch_user(
+        &self,
+        input: AdjustWalletBalanceInBatchInput,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, GatewayError> {
+        #[cfg(test)]
+        if let Some(store) = self.auth_wallet_batch_store_for_tests.as_ref() {
+            let _operation = self.auth_wallet_batch_operation_lock_for_tests.lock().await;
+            let key = (input.admin_user_id.clone(), input.idempotency_key.clone());
+            if let Some(existing) = store
+                .lock()
+                .expect("auth wallet batch store should lock")
+                .get(&key)
+                .and_then(|batch| batch.user_outcomes.get(&input.user_id))
+                .cloned()
+            {
+                return Ok(existing);
+            }
+            let target_exists = store
+                .lock()
+                .expect("auth wallet batch store should lock")
+                .get(&key)
+                .is_some_and(|batch| batch.target_user_ids.contains(&input.user_id));
+            if !target_exists {
+                return Err(GatewayError::Internal(
+                    "user is outside the prepared admin wallet batch".to_string(),
+                ));
+            }
+            let adjustment = input.adjustment;
+            let result = self
+                .admin_adjust_wallet_balance(
+                    &adjustment.wallet_id,
+                    adjustment.amount_usd,
+                    &adjustment.balance_type,
+                    adjustment.operator_id.as_deref(),
+                    adjustment.description.as_deref(),
+                    adjustment.clamp_deduction_to_available_balance,
+                )
+                .await?;
+            let outcome = if result.is_some() {
+                AdminUserWalletBalanceBatchUserOutcome::Succeeded
+            } else {
+                AdminUserWalletBalanceBatchUserOutcome::Failed("用户钱包不可用".to_string())
+            };
+            if let Some(batch) = store
+                .lock()
+                .expect("auth wallet batch store should lock")
+                .get_mut(&key)
+            {
+                batch.user_outcomes.insert(input.user_id, outcome.clone());
+            }
+            return Ok(outcome);
+        }
+
+        self.data
+            .adjust_admin_user_wallet_balance_batch_user(input)
+            .await
+            .map_err(|error| GatewayError::Internal(error.to_string()))?
+            .ok_or_else(|| {
+                GatewayError::Internal("admin wallet batch storage is unavailable".to_string())
+            })
+    }
+
+    pub(crate) async fn record_admin_user_wallet_balance_batch_failure(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        user_id: &str,
+        reason: &str,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, GatewayError> {
+        #[cfg(test)]
+        if self
+            .auth_wallet_batch_failure_record_error_for_tests
+            .as_deref()
+            == Some(user_id)
+        {
+            return Err(GatewayError::Internal(
+                "injected wallet batch failure-record error".to_string(),
+            ));
+        }
+
+        #[cfg(test)]
+        if let Some(store) = self.auth_wallet_batch_store_for_tests.as_ref() {
+            let _operation = self.auth_wallet_batch_operation_lock_for_tests.lock().await;
+            let key = (admin_user_id.to_string(), idempotency_key.to_string());
+            let mut batches = store.lock().expect("auth wallet batch store should lock");
+            let batch = batches.get_mut(&key).ok_or_else(|| {
+                GatewayError::Internal("admin wallet batch was not prepared".to_string())
+            })?;
+            if !batch.target_user_ids.iter().any(|target| target == user_id) {
+                return Err(GatewayError::Internal(
+                    "user is outside the prepared admin wallet batch".to_string(),
+                ));
+            }
+            return Ok(batch
+                .user_outcomes
+                .entry(user_id.to_string())
+                .or_insert_with(|| {
+                    AdminUserWalletBalanceBatchUserOutcome::Failed(reason.to_string())
+                })
+                .clone());
+        }
+
+        self.data
+            .record_admin_user_wallet_balance_batch_failure(
+                admin_user_id,
+                idempotency_key,
+                user_id,
+                reason,
+            )
+            .await
+            .map_err(|error| GatewayError::Internal(error.to_string()))?
+            .ok_or_else(|| {
+                GatewayError::Internal("admin wallet batch storage is unavailable".to_string())
+            })
+    }
+
     pub(crate) async fn admin_adjust_wallet_balance(
         &self,
         wallet_id: &str,
@@ -10,13 +200,21 @@ impl AppState {
         balance_type: &str,
         operator_id: Option<&str>,
         description: Option<&str>,
+        clamp_deduction_to_available_balance: bool,
     ) -> Result<
         Option<(
             aether_data::repository::wallet::StoredWalletSnapshot,
-            AdminWalletTransactionRecord,
+            Option<AdminWalletTransactionRecord>,
         )>,
         GatewayError,
     > {
+        #[cfg(test)]
+        if self.auth_wallet_adjustment_error_for_tests.as_deref() == Some(wallet_id) {
+            return Err(GatewayError::Internal(
+                "injected test wallet adjustment failure".to_string(),
+            ));
+        }
+
         #[cfg(test)]
         if let Some(store) = self.auth_wallet_store.as_ref() {
             let mut guard = store.lock().expect("auth wallet store should lock");
@@ -27,6 +225,18 @@ impl AppState {
             let before_recharge = wallet.balance;
             let before_gift = wallet.gift_balance;
             let before_total = before_recharge + before_gift;
+            let amount_usd = if clamp_deduction_to_available_balance && amount_usd < 0.0 {
+                if before_total < 0.0 {
+                    -before_total
+                } else {
+                    -(-amount_usd).min(before_total)
+                }
+            } else {
+                amount_usd
+            };
+            if amount_usd == 0.0 {
+                return Ok(Some((wallet.clone(), None)));
+            }
             let mut after_recharge = before_recharge;
             let mut after_gift = before_gift;
 
@@ -90,7 +300,7 @@ impl AppState {
             let updated_wallet = wallet.clone();
             drop(guard);
             self.invalidate_auth_context_cache();
-            return Ok(Some((updated_wallet, transaction)));
+            return Ok(Some((updated_wallet, Some(transaction))));
         }
 
         Ok(self
@@ -100,10 +310,15 @@ impl AppState {
                 balance_type: balance_type.to_string(),
                 operator_id: operator_id.map(ToOwned::to_owned),
                 description: description.map(ToOwned::to_owned),
+                clamp_deduction_to_available_balance,
+                batch_context: None,
             })
             .await?
             .map(|(wallet, transaction)| {
-                (wallet, stored_wallet_transaction_to_gateway(transaction))
+                (
+                    wallet,
+                    transaction.map(stored_wallet_transaction_to_gateway),
+                )
             }))
     }
 

apps/aether-gateway/src/state/runtime/wallet/mutations.rs

@@ -112,7 +112,7 @@ impl AppState {
     ) -> Result<
         Option<(
             aether_data::repository::wallet::StoredWalletSnapshot,
-            aether_data::repository::wallet::StoredAdminWalletTransaction,
+            Option<aether_data::repository::wallet::StoredAdminWalletTransaction>,
         )>,
         GatewayError,
     > {

apps/aether-gateway/src/state/runtime/wallet/reads.rs

@@ -5,6 +5,19 @@ impl AppState {
         &self,
         lookup: aether_data::repository::wallet::WalletLookupKey<'_>,
     ) -> Result<Option<aether_data::repository::wallet::StoredWalletSnapshot>, GatewayError> {
+        #[cfg(test)]
+        if let Some(failed_user_id) = self.auth_wallet_lookup_error_for_tests.as_deref() {
+            let lookup_user_id = match &lookup {
+                aether_data::repository::wallet::WalletLookupKey::UserId(user_id) => Some(*user_id),
+                _ => None,
+            };
+            if lookup_user_id == Some(failed_user_id) {
+                return Err(GatewayError::Internal(
+                    "injected test wallet lookup failure".to_string(),
+                ));
+            }
+        }
+
         #[cfg(test)]
         if let Some(store) = self.auth_wallet_store.as_ref() {
             let wallet = {

apps/aether-gateway/src/state/testing.rs

@@ -472,6 +472,27 @@ impl AppState {
         self
     }
 
+    pub(crate) fn fail_auth_wallet_adjustment_for_tests(
+        mut self,
+        wallet_id: impl Into<String>,
+    ) -> Self {
+        self.auth_wallet_adjustment_error_for_tests = Some(wallet_id.into());
+        self
+    }
+
+    pub(crate) fn fail_auth_wallet_lookup_for_tests(mut self, user_id: impl Into<String>) -> Self {
+        self.auth_wallet_lookup_error_for_tests = Some(user_id.into());
+        self
+    }
+
+    pub(crate) fn fail_auth_wallet_batch_failure_record_for_tests(
+        mut self,
+        user_id: impl Into<String>,
+    ) -> Self {
+        self.auth_wallet_batch_failure_record_error_for_tests = Some(user_id.into());
+        self
+    }
+
     pub(crate) fn with_admin_wallet_payment_orders_for_tests<I>(mut self, orders: I) -> Self
     where
         I: IntoIterator<Item = crate::AdminWalletPaymentOrderRecord>,

apps/aether-gateway/src/tests/control/admin.rs

@@ -21,5 +21,6 @@ mod system;
 mod system_import;
 mod usage;
 mod users;
+mod users_batch;
 mod video_tasks;
 mod wallets;

apps/aether-gateway/src/tests/control/admin/users_batch.rs

@@ -0,0 +1,650 @@
+use std::sync::atomic::{AtomicU64, Ordering};
+use std::sync::Arc;
+
+use aether_data::repository::management_tokens::InMemoryManagementTokenRepository;
+use aether_data::repository::users::{InMemoryUserReadRepository, StoredUserAuthRecord};
+use aether_data::repository::wallet::StoredWalletSnapshot;
+use axum::http::StatusCode;
+use chrono::Utc;
+use reqwest::{Client, RequestBuilder, Response};
+use serde_json::{json, Value};
+
+use super::super::{
+    build_router_with_state, hash_management_token, sample_management_token, start_server, AppState,
+};
+use crate::data::GatewayDataState;
+
+fn admin_headers(request: RequestBuilder) -> RequestBuilder {
+    request
+        .header(crate::constants::GATEWAY_HEADER, "rust-phase3b")
+        .header(crate::constants::TRUSTED_ADMIN_USER_ID_HEADER, "admin-user")
+        .header(crate::constants::TRUSTED_ADMIN_USER_ROLE_HEADER, "admin")
+        .header(
+            crate::constants::TRUSTED_ADMIN_SESSION_ID_HEADER,
+            "session-admin",
+        )
+}
+
+fn sample_user(user_id: &str) -> StoredUserAuthRecord {
+    sample_user_with_role(user_id, "user")
+}
+
+fn sample_user_with_role(user_id: &str, role: &str) -> StoredUserAuthRecord {
+    StoredUserAuthRecord::new(
+        user_id.to_string(),
+        Some(format!("{user_id}@example.com")),
+        true,
+        user_id.to_string(),
+        Some("hash".to_string()),
+        role.to_string(),
+        "local".to_string(),
+        Some(json!(["openai"])),
+        Some(json!(["openai:chat"])),
+        Some(json!(["gpt-4.1"])),
+        true,
+        false,
+        Some(Utc::now()),
+        Some(Utc::now()),
+    )
+    .expect("test user should build")
+}
+
+fn sample_wallet(user_id: &str, balance: f64, gift_balance: f64) -> StoredWalletSnapshot {
+    StoredWalletSnapshot::new(
+        format!("wallet-{user_id}"),
+        Some(user_id.to_string()),
+        None,
+        balance,
+        gift_balance,
+        "finite".to_string(),
+        "USD".to_string(),
+        "active".to_string(),
+        balance.max(0.0),
+        0.0,
+        0.0,
+        0.0,
+        1_710_000_000,
+    )
+    .expect("test wallet should build")
+}
+
+async fn post_batch_action(client: &Client, gateway_url: &str, payload: Value) -> Response {
+    static NEXT_TEST_IDEMPOTENCY_KEY: AtomicU64 = AtomicU64::new(1);
+    let mut payload = payload;
+    if payload.get("action").and_then(Value::as_str) == Some("adjust_wallet_balance")
+        && payload.get("idempotency_key").is_none()
+    {
+        let sequence = NEXT_TEST_IDEMPOTENCY_KEY.fetch_add(1, Ordering::Relaxed);
+        payload["idempotency_key"] = json!(format!("test-wallet-batch-{sequence}"));
+    }
+    admin_headers(client.post(format!("{gateway_url}/api/admin/users/batch-action")))
+        .json(&payload)
+        .send()
+        .await
+        .expect("batch request should complete")
+}
+
+async fn wallet_detail(client: &Client, gateway_url: &str, user_id: &str) -> Value {
+    admin_headers(client.get(format!("{gateway_url}/api/admin/wallets/wallet-{user_id}")))
+        .send()
+        .await
+        .expect("wallet lookup should complete")
+        .json()
+        .await
+        .expect("wallet response should parse")
+}
+
+#[tokio::test]
+async fn gateway_batches_wallet_addition_deduction_and_clamped_deduction_per_user() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-1"), sample_user("user-2")])
+        .with_auth_wallets_for_tests([
+            sample_wallet("user-1", 10.0, 3.0),
+            sample_wallet("user-2", 2.0, 1.0),
+        ]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+    let selection = json!({ "user_ids": ["user-1", "user-2"] });
+
+    let add_response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": selection.clone(),
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "add", "amount": 5.0 }
+        }),
+    )
+    .await;
+    assert_eq!(add_response.status(), StatusCode::OK);
+    let add_result: Value = add_response.json().await.expect("response should parse");
+    assert_eq!(add_result["success"], 2);
+    assert_eq!(add_result["failed"], 0);
+    assert_eq!(add_result["modified_fields"], json!(["wallet_balance"]));
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        18.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-2").await["balance"],
+        8.0
+    );
+
+    let deduct_response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": selection.clone(),
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "deduct", "amount": 4.0 }
+        }),
+    )
+    .await;
+    assert_eq!(deduct_response.status(), StatusCode::OK);
+    let deduct_result: Value = deduct_response.json().await.expect("response should parse");
+    assert_eq!(deduct_result["success"], 2);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        14.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-2").await["balance"],
+        4.0
+    );
+
+    let over_deduct_response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": selection,
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "deduct", "amount": 100.0 }
+        }),
+    )
+    .await;
+    assert_eq!(over_deduct_response.status(), StatusCode::OK);
+    let over_deduct_result: Value = over_deduct_response
+        .json()
+        .await
+        .expect("response should parse");
+    assert_eq!(over_deduct_result["success"], 2);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        0.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-2").await["balance"],
+        0.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_replays_wallet_batch_idempotently_and_rejects_key_reuse() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-1")])
+        .with_auth_wallets_for_tests([sample_wallet("user-1", 10.0, 0.0)]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+    let request = json!({
+        "selection": { "user_ids": ["user-1"] },
+        "action": "adjust_wallet_balance",
+        "payload": { "operation": "add", "amount": 5.0 },
+        "idempotency_key": "same-wallet-batch"
+    });
+
+    let first = post_batch_action(&client, &gateway_url, request.clone()).await;
+    assert_eq!(first.status(), StatusCode::OK);
+    let first_result: Value = first.json().await.expect("response should parse");
+    assert_eq!(first_result["success"], 1);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+
+    let replay = post_batch_action(&client, &gateway_url, request.clone()).await;
+    assert_eq!(replay.status(), StatusCode::OK);
+    let replay_result: Value = replay.json().await.expect("response should parse");
+    assert_eq!(replay_result["success"], 1);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+
+    let changed_request = json!({
+        "selection": { "user_ids": ["user-1"] },
+        "action": "adjust_wallet_balance",
+        "payload": { "operation": "add", "amount": 50.0 },
+        "idempotency_key": "same-wallet-batch"
+    });
+    let conflict = post_batch_action(&client, &gateway_url, changed_request).await;
+    assert_eq!(conflict.status(), StatusCode::CONFLICT);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_returns_partial_results_when_failure_recording_fails() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-1"), sample_user("user-2")])
+        .with_auth_wallets_for_tests([sample_wallet("user-1", 10.0, 0.0)])
+        .fail_auth_wallet_batch_failure_record_for_tests("user-2");
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+    let request = json!({
+        "selection": { "user_ids": ["user-1", "user-2"] },
+        "action": "adjust_wallet_balance",
+        "payload": { "operation": "add", "amount": 5.0 },
+        "idempotency_key": "failure-record-wallet-batch"
+    });
+
+    let response = post_batch_action(&client, &gateway_url, request).await;
+    assert_eq!(response.status(), StatusCode::OK);
+    let result: Value = response.json().await.expect("response should parse");
+    assert_eq!(result["success"], 1);
+    assert_eq!(result["failed"], 1);
+    assert_eq!(result["interrupted"], true);
+    assert_eq!(result["completed_user_ids"], json!(["user-1"]));
+    assert_eq!(result["uncertain_user_ids"], json!([]));
+    assert_eq!(result["unprocessed_user_ids"], json!(["user-2"]));
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_records_zero_delta_batch_for_later_replay() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-1")])
+        .with_auth_wallets_for_tests([sample_wallet("user-1", 0.0, 0.0)]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+    let deduction = json!({
+        "selection": { "user_ids": ["user-1"] },
+        "action": "adjust_wallet_balance",
+        "payload": { "operation": "deduct", "amount": 5.0 },
+        "idempotency_key": "zero-delta-wallet-batch"
+    });
+    let first = post_batch_action(&client, &gateway_url, deduction.clone()).await;
+    assert_eq!(first.status(), StatusCode::OK);
+
+    let top_up = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-1"] },
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "add", "amount": 10.0 },
+            "idempotency_key": "wallet-top-up-batch"
+        }),
+    )
+    .await;
+    assert_eq!(top_up.status(), StatusCode::OK);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        10.0
+    );
+
+    let replay = post_batch_action(&client, &gateway_url, deduction).await;
+    assert_eq!(replay.status(), StatusCode::OK);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        10.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_requires_wallet_write_permission_for_batch_balance_adjustments() {
+    let users_write_token = "ae-batch-users-write-only";
+    let wallet_write_token = "ae-batch-users-wallet-write";
+    let wallet_admin_token = "ae-batch-users-wallet-admin";
+    let token_owner = sample_user_with_role("token-owner", "admin");
+    let target_user = sample_user("user-1");
+    let mut users_only = sample_management_token(
+        "token-users-write-only",
+        &token_owner.id,
+        &token_owner.username,
+        true,
+    );
+    users_only.token.allowed_ips = None;
+    users_only.token.permissions = Some(json!(["admin:users:write"]));
+    let mut users_and_wallets = sample_management_token(
+        "token-users-and-wallet-write",
+        &token_owner.id,
+        &token_owner.username,
+        true,
+    );
+    users_and_wallets.token.allowed_ips = None;
+    users_and_wallets.token.permissions = Some(json!(["admin:users:write", "admin:wallets:write"]));
+    let mut wallets_admin = sample_management_token(
+        "token-users-wallet-admin",
+        &token_owner.id,
+        &token_owner.username,
+        true,
+    );
+    wallets_admin.token.allowed_ips = None;
+    wallets_admin.token.permissions = Some(json!(["admin:users:write", "admin:wallets:admin"]));
+    let token_repository = Arc::new(InMemoryManagementTokenRepository::seed_with_hashes(
+        vec![users_only, users_and_wallets, wallets_admin],
+        vec![
+            (
+                hash_management_token(users_write_token),
+                "token-users-write-only".to_string(),
+            ),
+            (
+                hash_management_token(wallet_write_token),
+                "token-users-and-wallet-write".to_string(),
+            ),
+            (
+                hash_management_token(wallet_admin_token),
+                "token-users-wallet-admin".to_string(),
+            ),
+        ],
+    ));
+    let user_repository = Arc::new(InMemoryUserReadRepository::seed_auth_users(vec![
+        token_owner.clone(),
+        target_user.clone(),
+    ]));
+    let data = GatewayDataState::with_management_token_repository_for_tests(token_repository)
+        .with_user_reader(user_repository);
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_data_state_for_tests(data)
+        .with_auth_users_for_tests([token_owner, target_user])
+        .with_auth_wallets_for_tests([sample_wallet("user-1", 10.0, 0.0)]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+    let payload = json!({
+        "selection": { "user_ids": ["user-1"] },
+        "action": "adjust_wallet_balance",
+        "payload": { "operation": "add", "amount": 5.0 },
+        "idempotency_key": "wallet-write-batch"
+    });
+
+    let denied = client
+        .post(format!("{gateway_url}/api/admin/users/batch-action"))
+        .header(crate::constants::GATEWAY_HEADER, "rust-phase3b")
+        .bearer_auth(users_write_token)
+        .json(&payload)
+        .send()
+        .await
+        .expect("users-only management token request should complete");
+    assert_eq!(denied.status(), StatusCode::FORBIDDEN);
+    let denied_payload: Value = denied.json().await.expect("response should parse");
+    assert_eq!(
+        denied_payload["required_permissions"],
+        json!(["admin:wallets:write", "admin:wallets:admin"])
+    );
+    assert_eq!(denied_payload["permission_mode"], "any_of");
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        10.0
+    );
+
+    let allowed = client
+        .post(format!("{gateway_url}/api/admin/users/batch-action"))
+        .header(crate::constants::GATEWAY_HEADER, "rust-phase3b")
+        .bearer_auth(wallet_write_token)
+        .json(&payload)
+        .send()
+        .await
+        .expect("wallet-write management token request should complete");
+    assert_eq!(allowed.status(), StatusCode::OK);
+    let result: Value = allowed.json().await.expect("response should parse");
+    assert_eq!(result["success"], 1);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+
+    let allowed_with_wallet_admin = client
+        .post(format!("{gateway_url}/api/admin/users/batch-action"))
+        .header(crate::constants::GATEWAY_HEADER, "rust-phase3b")
+        .bearer_auth(wallet_admin_token)
+        .json(&json!({
+            "selection": payload["selection"],
+            "action": payload["action"],
+            "payload": payload["payload"],
+            "idempotency_key": "wallet-admin-batch"
+        }))
+        .send()
+        .await
+        .expect("wallet-admin management token request should complete");
+    assert_eq!(allowed_with_wallet_admin.status(), StatusCode::OK);
+    let result: Value = allowed_with_wallet_admin
+        .json()
+        .await
+        .expect("response should parse");
+    assert_eq!(result["success"], 1);
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        20.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_reports_completed_uncertain_and_unprocessed_users_after_adjustment_error() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([
+            sample_user("user-1"),
+            sample_user("user-2"),
+            sample_user("user-3"),
+        ])
+        .with_auth_wallets_for_tests([
+            sample_wallet("user-1", 10.0, 0.0),
+            sample_wallet("user-2", 20.0, 0.0),
+            sample_wallet("user-3", 30.0, 0.0),
+        ])
+        .fail_auth_wallet_adjustment_for_tests("wallet-user-2");
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+
+    let response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-1", "user-2", "user-3"] },
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "add", "amount": 5.0 }
+        }),
+    )
+    .await;
+    assert_eq!(response.status(), StatusCode::OK);
+    let result: Value = response.json().await.expect("response should parse");
+    assert_eq!(result["interrupted"], true);
+    assert_eq!(result["success"], 1);
+    assert_eq!(result["failed"], 2);
+    assert_eq!(result["completed_user_ids"], json!(["user-1"]));
+    assert_eq!(result["uncertain_user_ids"], json!(["user-2"]));
+    assert_eq!(result["unprocessed_user_ids"], json!(["user-3"]));
+    assert_eq!(result["failures"][0]["user_id"], "user-2");
+    assert_eq!(result["failures"][1]["user_id"], "user-3");
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-2").await["balance"],
+        20.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-3").await["balance"],
+        30.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_reports_wallet_lookup_failure_as_unprocessed() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([
+            sample_user("user-1"),
+            sample_user("user-2"),
+            sample_user("user-3"),
+        ])
+        .with_auth_wallets_for_tests([
+            sample_wallet("user-1", 10.0, 0.0),
+            sample_wallet("user-2", 20.0, 0.0),
+            sample_wallet("user-3", 30.0, 0.0),
+        ])
+        .fail_auth_wallet_lookup_for_tests("user-2");
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+
+    let response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-1", "user-2", "user-3"] },
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "add", "amount": 5.0 }
+        }),
+    )
+    .await;
+    assert_eq!(response.status(), StatusCode::OK);
+    let result: Value = response.json().await.expect("response should parse");
+    assert_eq!(result["interrupted"], true);
+    assert_eq!(result["completed_user_ids"], json!(["user-1"]));
+    assert_eq!(result["uncertain_user_ids"], json!([]));
+    assert_eq!(result["unprocessed_user_ids"], json!(["user-2", "user-3"]));
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-1").await["balance"],
+        15.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-2").await["balance"],
+        20.0
+    );
+    assert_eq!(
+        wallet_detail(&client, &gateway_url, "user-3").await["balance"],
+        30.0
+    );
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_reports_wallet_limit_lookup_failure_as_unprocessed() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([
+            sample_user("user-1"),
+            sample_user("user-2"),
+            sample_user("user-3"),
+        ])
+        .with_auth_wallets_for_tests([
+            sample_wallet("user-1", 10.0, 0.0),
+            sample_wallet("user-2", 20.0, 0.0),
+            sample_wallet("user-3", 30.0, 0.0),
+        ])
+        .fail_auth_wallet_lookup_for_tests("user-2");
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+
+    let response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-1", "user-2", "user-3"] },
+            "action": "update_access_control",
+            "payload": { "unlimited": true }
+        }),
+    )
+    .await;
+    assert_eq!(response.status(), StatusCode::OK);
+    let result: Value = response.json().await.expect("response should parse");
+    assert_eq!(result["interrupted"], true);
+    assert_eq!(result["completed_user_ids"], json!(["user-1"]));
+    assert_eq!(result["uncertain_user_ids"], json!([]));
+    assert_eq!(result["unprocessed_user_ids"], json!(["user-2", "user-3"]));
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_reports_missing_wallet_and_floors_negative_balance_on_deduction() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-negative"), sample_user("user-no-wallet")])
+        .with_auth_wallets_for_tests([sample_wallet("user-negative", -2.0, 1.0)]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+
+    let response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-negative", "user-no-wallet"] },
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "deduct", "amount": 10.0 }
+        }),
+    )
+    .await;
+    assert_eq!(response.status(), StatusCode::OK);
+    let result: Value = response.json().await.expect("response should parse");
+    assert_eq!(result["success"], 1);
+    assert_eq!(result["failed"], 1);
+    assert_eq!(result["failures"][0]["user_id"], "user-no-wallet");
+    assert_eq!(result["failures"][0]["reason"], "用户钱包不可用");
+
+    let wallet = wallet_detail(&client, &gateway_url, "user-negative").await;
+    assert_eq!(wallet["balance"], 0.0);
+    assert_eq!(wallet["total_adjusted"], 1.0);
+
+    gateway_handle.abort();
+}
+
+#[tokio::test]
+async fn gateway_rejects_zero_and_non_finite_batch_wallet_adjustments() {
+    let state = AppState::new()
+        .expect("gateway should build")
+        .with_auth_users_for_tests([sample_user("user-1")])
+        .with_auth_wallets_for_tests([sample_wallet("user-1", 10.0, 0.0)]);
+    let (gateway_url, gateway_handle) = start_server(build_router_with_state(state)).await;
+    let client = Client::new();
+
+    let zero_response = post_batch_action(
+        &client,
+        &gateway_url,
+        json!({
+            "selection": { "user_ids": ["user-1"] },
+            "action": "adjust_wallet_balance",
+            "payload": { "operation": "add", "amount": 0.0 }
+        }),
+    )
+    .await;
+    assert_eq!(zero_response.status(), StatusCode::BAD_REQUEST);
+
+    let non_finite_response = admin_headers(
+        client.post(format!("{gateway_url}/api/admin/users/batch-action")),
+    )
+    .header(reqwest::header::CONTENT_TYPE, "application/json")
+    .body(
+        r#"{"selection":{"user_ids":["user-1"]},"action":"adjust_wallet_balance","payload":{"operation":"add","amount":1e999}}"#,
+    )
+    .send()
+    .await
+    .expect("non-finite amount request should complete");
+    assert_eq!(non_finite_response.status(), StatusCode::BAD_REQUEST);
+
+    gateway_handle.abort();
+}

crates/aether-data/adapters/postgres/migrations/20260923000000_add_admin_wallet_batch_idempotency.sql

@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS public.admin_user_wallet_balance_batches (
+    admin_user_id character varying(64) NOT NULL,
+    idempotency_key character varying(128) NOT NULL,
+    request_fingerprint character varying(64) NOT NULL,
+    target_user_ids jsonb NOT NULL,
+    missing_user_ids jsonb NOT NULL,
+    warnings jsonb NOT NULL,
+    user_outcomes jsonb NOT NULL,
+    created_at_unix_secs bigint NOT NULL,
+    updated_at_unix_secs bigint NOT NULL,
+    CONSTRAINT admin_user_wallet_balance_batches_pkey PRIMARY KEY (admin_user_id, idempotency_key)
+);

crates/aether-data/adapters/postgres/src/wallet.rs

@@ -24,8 +24,9 @@ use aether_data_contracts::repository::wallet::{
     wallet_recharge_checkout_failed_response, wallet_recharge_checkout_uncertain_response,
     wallet_recharge_order_is_reclaimable_placeholder, wallet_recharge_replay_matches,
     wallet_recharge_response_is_checkout_placeholder, wallet_refund_proof_is_success,
-    AdjustWalletBalanceInput, AdminPaymentOrderListQuery, AdminRedeemCodeBatchListQuery,
-    AdminRedeemCodeListQuery, AdminWalletLedgerQuery, AdminWalletListQuery,
+    AdjustWalletBalanceInBatchInput, AdjustWalletBalanceInput, AdminPaymentOrderListQuery,
+    AdminRedeemCodeBatchListQuery, AdminRedeemCodeListQuery, AdminUserWalletBalanceBatchContext,
+    AdminUserWalletBalanceBatchUserOutcome, AdminWalletLedgerQuery, AdminWalletListQuery,
     AdminWalletRefundRequestListQuery, CompareAndSwapPaymentOrderStripeClientSecretInput,
     CompleteAdminWalletRefundInput, CreateAdminRedeemCodeBatchInput,
     CreateAdminRedeemCodeBatchResult, CreateManualWalletRechargeInput,
@@ -34,21 +35,23 @@ use aether_data_contracts::repository::wallet::{
     CreateWalletRefundRequestOutcome, CreatedAdminRedeemCodePlaintext,
     CreditAdminPaymentOrderInput, DeleteAdminRedeemCodeBatchInput,
     DisableAdminRedeemCodeBatchInput, DisableAdminRedeemCodeInput, FailAdminWalletRefundInput,
-    FailWalletRechargeCheckoutInput, InitializeAuthWalletOutcome, ProcessAdminWalletRefundInput,
-    ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome, ReclaimWalletRechargeCheckoutInput,
-    RedeemWalletCodeInput, RedeemWalletCodeOutcome, StoredAdminPaymentCallback,
-    StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder, StoredAdminPaymentOrderPage,
-    StoredAdminRedeemCode, StoredAdminRedeemCodeBatch, StoredAdminRedeemCodeBatchPage,
-    StoredAdminRedeemCodePage, StoredAdminWalletLedgerItem, StoredAdminWalletLedgerPage,
-    StoredAdminWalletListItem, StoredAdminWalletListPage, StoredAdminWalletRefund,
-    StoredAdminWalletRefundPage, StoredAdminWalletRefundRequestItem,
-    StoredAdminWalletRefundRequestPage, StoredAdminWalletTransaction,
-    StoredAdminWalletTransactionPage, StoredWalletDailyUsageLedger,
+    FailWalletRechargeCheckoutInput, InitializeAuthWalletOutcome,
+    PrepareAdminUserWalletBalanceBatchInput, PrepareAdminUserWalletBalanceBatchOutcome,
+    ProcessAdminWalletRefundInput, ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome,
+    ReclaimWalletRechargeCheckoutInput, RedeemWalletCodeInput, RedeemWalletCodeOutcome,
+    StoredAdminPaymentCallback, StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder,
+    StoredAdminPaymentOrderPage, StoredAdminRedeemCode, StoredAdminRedeemCodeBatch,
+    StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage, StoredAdminUserWalletBalanceBatch,
+    StoredAdminWalletLedgerItem, StoredAdminWalletLedgerPage, StoredAdminWalletListItem,
+    StoredAdminWalletListPage, StoredAdminWalletRefund, StoredAdminWalletRefundPage,
+    StoredAdminWalletRefundRequestItem, StoredAdminWalletRefundRequestPage,
+    StoredAdminWalletTransaction, StoredAdminWalletTransactionPage, StoredWalletDailyUsageLedger,
     StoredWalletDailyUsageLedgerPage, StoredWalletSnapshot, UpdateAdminWalletRefundGatewayInput,
     UpdateWalletRechargeCheckoutInput, WalletLookupKey, WalletMutationOutcome,
     WalletReadRepository, WalletWriteRepository,
 };
 use aether_data_contracts::DataLayerError;
+use std::collections::BTreeMap;
 
 use crate::{
     error::{postgres_error, SqlxResultExt},
@@ -807,6 +810,44 @@ impl SqlxWalletRepository {
     }
 }
 
+fn effective_wallet_adjustment_amount(input: &AdjustWalletBalanceInput, before_total: f64) -> f64 {
+    if input.clamp_deduction_to_available_balance && input.amount_usd < 0.0 {
+        if before_total < 0.0 {
+            // Clear legacy negative totals to zero and record the actual ledger delta.
+            -before_total
+        } else {
+            -(-input.amount_usd).min(before_total)
+        }
+    } else {
+        input.amount_usd
+    }
+}
+
+async fn persist_admin_wallet_batch_outcomes(
+    connection: &mut sqlx::PgConnection,
+    context: &AdminUserWalletBalanceBatchContext,
+    outcomes: &BTreeMap<String, AdminUserWalletBalanceBatchUserOutcome>,
+) -> Result<(), DataLayerError> {
+    let outcomes = serde_json::to_value(outcomes).map_err(|error| {
+        DataLayerError::UnexpectedValue(format!("admin wallet batch outcomes are invalid: {error}"))
+    })?;
+    sqlx::query(
+        r#"
+UPDATE admin_user_wallet_balance_batches
+SET user_outcomes = $3, updated_at_unix_secs = $4
+WHERE admin_user_id = $1 AND idempotency_key = $2
+        "#,
+    )
+    .bind(&context.admin_user_id)
+    .bind(&context.idempotency_key)
+    .bind(outcomes)
+    .bind(Utc::now().timestamp().max(0))
+    .execute(connection)
+    .await
+    .map_postgres_err()?;
+    Ok(())
+}
+
 #[async_trait]
 impl WalletReadRepository for SqlxWalletRepository {
     async fn find(
@@ -4262,7 +4303,8 @@ RETURNING
     async fn adjust_wallet_balance(
         &self,
         input: AdjustWalletBalanceInput,
-    ) -> Result<Option<(StoredWalletSnapshot, StoredAdminWalletTransaction)>, DataLayerError> {
+    ) -> Result<Option<(StoredWalletSnapshot, Option<StoredAdminWalletTransaction>)>, DataLayerError>
+    {
         if !input.amount_usd.is_finite() || input.amount_usd == 0.0 {
             return Err(DataLayerError::InvalidInput(
                 "adjustment amount must be finite and non-zero".to_string(),
@@ -4271,6 +4313,58 @@ RETURNING
         self.tx_runner
             .run_read_write(|tx| {
                 Box::pin(async move {
+                    let batch_context = input.batch_context.clone();
+                    let mut batch_user_outcomes = if let Some(context) = &batch_context {
+                        let batch_row = sqlx::query(
+                            r#"
+SELECT target_user_ids, user_outcomes
+FROM admin_user_wallet_balance_batches
+WHERE admin_user_id = $1 AND idempotency_key = $2
+FOR UPDATE
+                            "#,
+                        )
+                        .bind(&context.admin_user_id)
+                        .bind(&context.idempotency_key)
+                        .fetch_optional(&mut **tx)
+                        .await
+                        .map_postgres_err()?
+                        .ok_or_else(|| {
+                            DataLayerError::InvalidInput(
+                                "admin wallet batch was not prepared".to_string(),
+                            )
+                        })?;
+                        let target_user_ids: Vec<String> =
+                            serde_json::from_value(row_get(&batch_row, "target_user_ids")?)
+                                .map_err(|error| {
+                                    DataLayerError::UnexpectedValue(format!(
+                                        "admin wallet batch target list is invalid: {error}"
+                                    ))
+                                })?;
+                        if !target_user_ids.iter().any(|id| id == &context.user_id) {
+                            return Err(DataLayerError::InvalidInput(
+                                "user is outside the prepared admin wallet batch".to_string(),
+                            ));
+                        }
+                        let outcomes: BTreeMap<String, AdminUserWalletBalanceBatchUserOutcome> =
+                            serde_json::from_value(row_get(&batch_row, "user_outcomes")?).map_err(
+                                |error| {
+                                    DataLayerError::UnexpectedValue(format!(
+                                        "admin wallet batch outcomes are invalid: {error}"
+                                    ))
+                                },
+                            )?;
+                        if let Some(outcome) = outcomes.get(&context.user_id) {
+                            match outcome {
+                                AdminUserWalletBalanceBatchUserOutcome::Succeeded => {}
+                                AdminUserWalletBalanceBatchUserOutcome::Failed(_) => {
+                                    return Ok(None);
+                                }
+                            }
+                        }
+                        Some(outcomes)
+                    } else {
+                        None
+                    };
                     let Some(row) = sqlx::query(
                         r#"
 SELECT
@@ -4285,13 +4379,20 @@ SELECT
   CAST(total_recharged AS DOUBLE PRECISION) AS total_recharged,
   CAST(total_consumed AS DOUBLE PRECISION) AS total_consumed,
   CAST(total_refunded AS DOUBLE PRECISION) AS total_refunded,
-  CAST(total_adjusted AS DOUBLE PRECISION) AS total_adjusted
+  CAST(total_adjusted AS DOUBLE PRECISION) AS total_adjusted,
+  CAST(EXTRACT(EPOCH FROM updated_at) AS BIGINT) AS updated_at_unix_secs
 FROM wallets
 WHERE id = $1
+  AND ($2::character varying IS NULL OR user_id = $2::character varying)
 FOR UPDATE
                         "#,
                     )
                     .bind(&input.wallet_id)
+                    .bind(
+                        batch_context
+                            .as_ref()
+                            .map(|context| context.user_id.as_str()),
+                    )
                     .fetch_optional(&mut **tx)
                     .await
                     .map_postgres_err()?
@@ -4312,17 +4413,40 @@ FOR UPDATE
                             "wallet balance is invalid".to_string(),
                         ));
                     }
+                    let wallet = map_wallet_row(&row)?;
+                    let already_applied = batch_context.as_ref().is_some_and(|context| {
+                        batch_user_outcomes.as_ref().is_some_and(|outcomes| {
+                            outcomes.get(&context.user_id)
+                                == Some(&AdminUserWalletBalanceBatchUserOutcome::Succeeded)
+                        })
+                    });
+                    if already_applied {
+                        return Ok(Some((wallet, None)));
+                    }
+                    let amount_usd = effective_wallet_adjustment_amount(&input, before_total);
+                    if amount_usd == 0.0 {
+                        if let (Some(context), Some(outcomes)) =
+                            (batch_context.as_ref(), batch_user_outcomes.as_mut())
+                        {
+                            outcomes.insert(
+                                context.user_id.clone(),
+                                AdminUserWalletBalanceBatchUserOutcome::Succeeded,
+                            );
+                            persist_admin_wallet_batch_outcomes(tx, context, outcomes).await?;
+                        }
+                        return Ok(Some((wallet, None)));
+                    }
                     let mut after_recharge = before_recharge;
                     let mut after_gift = before_gift;
 
-                    if input.amount_usd > 0.0 {
+                    if amount_usd > 0.0 {
                         if input.balance_type.eq_ignore_ascii_case("gift") {
-                            after_gift += input.amount_usd;
+                            after_gift += amount_usd;
                         } else {
-                            after_recharge += input.amount_usd;
+                            after_recharge += amount_usd;
                         }
                     } else {
-                        let mut remaining = -input.amount_usd;
+                        let mut remaining = -amount_usd;
                         let consume_positive_bucket = |balance: &mut f64, to_consume: &mut f64| {
                             if *to_consume <= 0.0 {
                                 return;
@@ -4344,7 +4468,7 @@ FOR UPDATE
                         }
                     }
                     let after_total = after_recharge + after_gift;
-                    let after_total_adjusted = before_total_adjusted + input.amount_usd;
+                    let after_total_adjusted = before_total_adjusted + amount_usd;
                     if !after_recharge.is_finite()
                         || !after_gift.is_finite()
                         || !after_total.is_finite()
@@ -4383,7 +4507,7 @@ RETURNING
                     .bind(&input.wallet_id)
                     .bind(after_recharge)
                     .bind(after_gift)
-                    .bind(input.amount_usd)
+                    .bind(amount_usd)
                     .fetch_one(&mut **tx)
                     .await
                     .map_postgres_err()?;
@@ -4439,7 +4563,7 @@ VALUES (
                     )
                     .bind(&transaction_id)
                     .bind(&input.wallet_id)
-                    .bind(input.amount_usd)
+                    .bind(amount_usd)
                     .bind(before_total)
                     .bind(after_total)
                     .bind(before_recharge)
@@ -4453,14 +4577,24 @@ VALUES (
                     .await
                     .map_postgres_err()?;
 
+                    if let (Some(context), Some(outcomes)) =
+                        (batch_context.as_ref(), batch_user_outcomes.as_mut())
+                    {
+                        outcomes.insert(
+                            context.user_id.clone(),
+                            AdminUserWalletBalanceBatchUserOutcome::Succeeded,
+                        );
+                        persist_admin_wallet_batch_outcomes(tx, context, outcomes).await?;
+                    }
+
                     Ok(Some((
                         wallet,
-                        StoredAdminWalletTransaction {
+                        Some(StoredAdminWalletTransaction {
                             id: transaction_id,
                             wallet_id: input.wallet_id,
                             category: "adjust".to_string(),
                             reason_code: "adjust_admin".to_string(),
-                            amount: input.amount_usd,
+                            amount: amount_usd,
                             balance_before: before_total,
                             balance_after: after_total,
                             recharge_balance_before: before_recharge,
@@ -4474,13 +4608,244 @@ VALUES (
                             operator_email: None,
                             description: Some(description),
                             created_at_unix_ms: Some(created_at),
-                        },
+                        }),
                     )))
                 })
             })
             .await
     }
 
+    async fn prepare_admin_user_wallet_balance_batch(
+        &self,
+        input: PrepareAdminUserWalletBalanceBatchInput,
+    ) -> Result<PrepareAdminUserWalletBalanceBatchOutcome, DataLayerError> {
+        let target_user_ids = serde_json::to_value(&input.target_user_ids).map_err(|error| {
+            DataLayerError::InvalidInput(format!("invalid batch target users: {error}"))
+        })?;
+        let missing_user_ids = serde_json::to_value(&input.missing_user_ids).map_err(|error| {
+            DataLayerError::InvalidInput(format!("invalid missing batch users: {error}"))
+        })?;
+        let warnings = serde_json::to_value(&input.warnings).map_err(|error| {
+            DataLayerError::InvalidInput(format!("invalid batch warnings: {error}"))
+        })?;
+        let now = Utc::now().timestamp().max(0);
+        self.tx_runner
+            .run_read_write(|tx| {
+                Box::pin(async move {
+                    sqlx::query(
+                        r#"
+INSERT INTO admin_user_wallet_balance_batches (
+  admin_user_id, idempotency_key, request_fingerprint, target_user_ids,
+  missing_user_ids, warnings, user_outcomes, created_at_unix_secs, updated_at_unix_secs
+)
+VALUES ($1, $2, $3, $4, $5, $6, '{}'::jsonb, $7, $7)
+ON CONFLICT (admin_user_id, idempotency_key) DO NOTHING
+                        "#,
+                    )
+                    .bind(&input.admin_user_id)
+                    .bind(&input.idempotency_key)
+                    .bind(&input.request_fingerprint)
+                    .bind(target_user_ids)
+                    .bind(missing_user_ids)
+                    .bind(warnings)
+                    .bind(now)
+                    .execute(&mut **tx)
+                    .await
+                    .map_postgres_err()?;
+
+                    let row = sqlx::query(
+                        r#"
+SELECT admin_user_id, idempotency_key, request_fingerprint, target_user_ids,
+       missing_user_ids, warnings, user_outcomes
+FROM admin_user_wallet_balance_batches
+WHERE admin_user_id = $1 AND idempotency_key = $2
+FOR UPDATE
+                        "#,
+                    )
+                    .bind(&input.admin_user_id)
+                    .bind(&input.idempotency_key)
+                    .fetch_one(&mut **tx)
+                    .await
+                    .map_postgres_err()?;
+                    let request_fingerprint: String = row_get(&row, "request_fingerprint")?;
+                    if request_fingerprint != input.request_fingerprint {
+                        return Ok(PrepareAdminUserWalletBalanceBatchOutcome::Conflict);
+                    }
+
+                    let read_json = |column: &str| -> Result<serde_json::Value, DataLayerError> {
+                        row_get(&row, column)
+                    };
+                    let batch = StoredAdminUserWalletBalanceBatch {
+                        admin_user_id: row_get(&row, "admin_user_id")?,
+                        idempotency_key: row_get(&row, "idempotency_key")?,
+                        request_fingerprint,
+                        target_user_ids: serde_json::from_value(read_json("target_user_ids")?)
+                            .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+                        missing_user_ids: serde_json::from_value(read_json("missing_user_ids")?)
+                            .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+                        warnings: serde_json::from_value(read_json("warnings")?)
+                            .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+                        user_outcomes: serde_json::from_value(read_json("user_outcomes")?)
+                            .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+                    };
+                    Ok(PrepareAdminUserWalletBalanceBatchOutcome::Ready(batch))
+                })
+            })
+            .await
+    }
+
+    async fn get_admin_user_wallet_balance_batch(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        expected_fingerprint: &str,
+    ) -> Result<Option<PrepareAdminUserWalletBalanceBatchOutcome>, DataLayerError> {
+        let row = sqlx::query(
+            r#"
+SELECT admin_user_id, idempotency_key, request_fingerprint, target_user_ids,
+       missing_user_ids, warnings, user_outcomes
+FROM admin_user_wallet_balance_batches
+WHERE admin_user_id = $1 AND idempotency_key = $2
+            "#,
+        )
+        .bind(admin_user_id)
+        .bind(idempotency_key)
+        .fetch_optional(&self.pool)
+        .await
+        .map_postgres_err()?;
+        let Some(row) = row else {
+            return Ok(None);
+        };
+        let request_fingerprint: String = row_get(&row, "request_fingerprint")?;
+        if request_fingerprint != expected_fingerprint {
+            return Ok(Some(PrepareAdminUserWalletBalanceBatchOutcome::Conflict));
+        }
+        let read_json =
+            |column: &str| -> Result<serde_json::Value, DataLayerError> { row_get(&row, column) };
+        let batch = StoredAdminUserWalletBalanceBatch {
+            admin_user_id: row_get(&row, "admin_user_id")?,
+            idempotency_key: row_get(&row, "idempotency_key")?,
+            request_fingerprint,
+            target_user_ids: serde_json::from_value(read_json("target_user_ids")?)
+                .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+            missing_user_ids: serde_json::from_value(read_json("missing_user_ids")?)
+                .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+            warnings: serde_json::from_value(read_json("warnings")?)
+                .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+            user_outcomes: serde_json::from_value(read_json("user_outcomes")?)
+                .map_err(|error| DataLayerError::UnexpectedValue(error.to_string()))?,
+        };
+        Ok(Some(PrepareAdminUserWalletBalanceBatchOutcome::Ready(
+            batch,
+        )))
+    }
+
+    async fn adjust_admin_user_wallet_balance_batch_user(
+        &self,
+        input: AdjustWalletBalanceInBatchInput,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, DataLayerError> {
+        let context = AdminUserWalletBalanceBatchContext {
+            admin_user_id: input.admin_user_id.clone(),
+            idempotency_key: input.idempotency_key.clone(),
+            user_id: input.user_id.clone(),
+        };
+        let mut adjustment = input.adjustment;
+        adjustment.batch_context = Some(context);
+        if self.adjust_wallet_balance(adjustment).await?.is_some() {
+            return Ok(AdminUserWalletBalanceBatchUserOutcome::Succeeded);
+        }
+        self.record_admin_user_wallet_balance_batch_failure(
+            &input.admin_user_id,
+            &input.idempotency_key,
+            &input.user_id,
+            "用户钱包不可用",
+        )
+        .await
+    }
+
+    async fn record_admin_user_wallet_balance_batch_failure(
+        &self,
+        admin_user_id: &str,
+        idempotency_key: &str,
+        user_id: &str,
+        reason: &str,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, DataLayerError> {
+        let admin_user_id = admin_user_id.to_string();
+        let idempotency_key = idempotency_key.to_string();
+        let user_id = user_id.to_string();
+        let reason = reason.to_string();
+        self.tx_runner
+            .run_read_write(|tx| {
+                Box::pin(async move {
+                    let row = sqlx::query(
+                        r#"
+SELECT target_user_ids, user_outcomes
+FROM admin_user_wallet_balance_batches
+WHERE admin_user_id = $1 AND idempotency_key = $2
+FOR UPDATE
+                        "#,
+                    )
+                    .bind(&admin_user_id)
+                    .bind(&idempotency_key)
+                    .fetch_optional(&mut **tx)
+                    .await
+                    .map_postgres_err()?
+                    .ok_or_else(|| {
+                        DataLayerError::InvalidInput(
+                            "admin wallet batch was not prepared".to_string(),
+                        )
+                    })?;
+                    let target_user_ids: Vec<String> =
+                        serde_json::from_value(row_get(&row, "target_user_ids")?).map_err(
+                            |error| {
+                                DataLayerError::UnexpectedValue(format!(
+                                    "admin wallet batch target list is invalid: {error}"
+                                ))
+                            },
+                        )?;
+                    if !target_user_ids.iter().any(|id| id == &user_id) {
+                        return Err(DataLayerError::InvalidInput(
+                            "user is outside the prepared admin wallet batch".to_string(),
+                        ));
+                    }
+                    let mut outcomes: BTreeMap<String, AdminUserWalletBalanceBatchUserOutcome> =
+                        serde_json::from_value(row_get(&row, "user_outcomes")?).map_err(
+                            |error| {
+                                DataLayerError::UnexpectedValue(format!(
+                                    "admin wallet batch outcomes are invalid: {error}"
+                                ))
+                            },
+                        )?;
+                    if let Some(outcome) = outcomes.get(&user_id) {
+                        return Ok(outcome.clone());
+                    }
+                    let outcome = AdminUserWalletBalanceBatchUserOutcome::Failed(reason);
+                    outcomes.insert(user_id, outcome.clone());
+                    let value = serde_json::to_value(&outcomes).map_err(|error| {
+                        DataLayerError::UnexpectedValue(format!(
+                            "admin wallet batch outcomes are invalid: {error}"
+                        ))
+                    })?;
+                    sqlx::query(
+                        r#"
+UPDATE admin_user_wallet_balance_batches
+SET user_outcomes = $3, updated_at_unix_secs = $4
+WHERE admin_user_id = $1 AND idempotency_key = $2
+                        "#,
+                    )
+                    .bind(&admin_user_id)
+                    .bind(&idempotency_key)
+                    .bind(value)
+                    .bind(Utc::now().timestamp().max(0))
+                    .execute(&mut **tx)
+                    .await
+                    .map_postgres_err()?;
+                    Ok(outcome)
+                })
+            })
+            .await
+    }
+
     async fn create_manual_wallet_recharge(
         &self,
         mut input: CreateManualWalletRechargeInput,
@@ -8489,13 +8854,16 @@ VALUES ($1, $2, 'gift', 'gift_initial', $3, 0, $3, 0, 0, 0, $3, 'system_task', $
 #[cfg(test)]
 mod tests {
     use aether_data_contracts::repository::wallet::{
-        CreateManualWalletRechargeInput, CreditAdminPaymentOrderInput, ProcessPaymentCallbackInput,
+        AdjustWalletBalanceInBatchInput, AdjustWalletBalanceInput,
+        AdminUserWalletBalanceBatchUserOutcome, CreateManualWalletRechargeInput,
+        CreditAdminPaymentOrderInput, PrepareAdminUserWalletBalanceBatchInput,
+        PrepareAdminUserWalletBalanceBatchOutcome, ProcessPaymentCallbackInput,
         ProcessPaymentCallbackOutcome, RedeemWalletCodeInput, RedeemWalletCodeOutcome,
         WalletLookupKey, WalletMutationOutcome, WalletReadRepository, WalletWriteRepository,
     };
     use sqlx::Row;
 
-    use super::SqlxWalletRepository;
+    use super::{effective_wallet_adjustment_amount, SqlxWalletRepository};
     use crate::{PostgresPoolConfig, PostgresPoolFactory};
 
     #[test]
@@ -8575,6 +8943,7 @@ mod tests {
             "payment_orders",
             "payment_callbacks",
             "wallet_transactions",
+            "admin_user_wallet_balance_batches",
             "user_plan_entitlements",
             "redeem_code_batches",
             "redeem_codes",
@@ -9221,6 +9590,264 @@ mod tests {
         pool.close().await;
     }
 
+    #[test]
+    fn bulk_adjustment_clamp_is_opt_in_and_uses_available_total() {
+        let input = AdjustWalletBalanceInput {
+            wallet_id: "wallet-1".to_string(),
+            amount_usd: -100.0,
+            balance_type: "recharge".to_string(),
+            operator_id: None,
+            description: None,
+            clamp_deduction_to_available_balance: true,
+            batch_context: None,
+        };
+        assert_eq!(effective_wallet_adjustment_amount(&input, 13.0), -13.0);
+        assert_eq!(effective_wallet_adjustment_amount(&input, 0.0), -0.0);
+        assert_eq!(effective_wallet_adjustment_amount(&input, -1.0), 1.0);
+
+        let legacy_input = AdjustWalletBalanceInput {
+            clamp_deduction_to_available_balance: false,
+            ..input
+        };
+        assert_eq!(
+            effective_wallet_adjustment_amount(&legacy_input, 13.0),
+            -100.0
+        );
+    }
+
+    #[tokio::test]
+    #[ignore = "requires AETHER_TEST_DATABASE_URL and PostgreSQL bootstrap schema"]
+    async fn live_bulk_wallet_adjustment_persists_actual_delta_and_skips_zero_ledger() {
+        let pool = isolated_wallet_test_pool().await;
+        let (wallet_id, _) = seed_wallet(&pool).await;
+        let repository = SqlxWalletRepository::new(pool.clone());
+
+        let (wallet, transaction) = repository
+            .adjust_wallet_balance(AdjustWalletBalanceInput {
+                wallet_id: wallet_id.clone(),
+                amount_usd: -100.0,
+                balance_type: "recharge".to_string(),
+                operator_id: Some("admin-user".to_string()),
+                description: Some("bulk deduction".to_string()),
+                clamp_deduction_to_available_balance: true,
+                batch_context: None,
+            })
+            .await
+            .expect("bulk adjustment should succeed")
+            .expect("wallet should exist");
+        let transaction =
+            transaction.expect("positive available balance should create a ledger row");
+        assert_eq!(transaction.amount, -13.0);
+        assert_eq!(transaction.balance_before, 13.0);
+        assert_eq!(transaction.balance_after, 0.0);
+        assert_eq!(wallet.balance + wallet.gift_balance, 0.0);
+        let persisted_amount: f64 = sqlx::query_scalar(
+            "SELECT amount::double precision FROM wallet_transactions WHERE id = $1",
+        )
+        .bind(&transaction.id)
+        .fetch_one(&pool)
+        .await
+        .expect("ledger should store the effective deduction");
+        assert_eq!(persisted_amount, -13.0);
+
+        let (wallet, transaction) = repository
+            .adjust_wallet_balance(AdjustWalletBalanceInput {
+                wallet_id: wallet_id.clone(),
+                amount_usd: -1.0,
+                balance_type: "recharge".to_string(),
+                operator_id: Some("admin-user".to_string()),
+                description: Some("bulk deduction at zero".to_string()),
+                clamp_deduction_to_available_balance: true,
+                batch_context: None,
+            })
+            .await
+            .expect("zero-balance adjustment should succeed")
+            .expect("wallet should still exist");
+        assert_eq!(wallet.balance + wallet.gift_balance, 0.0);
+        assert!(
+            transaction.is_none(),
+            "zero effective delta must not create a ledger row"
+        );
+        let transaction_count: i64 =
+            sqlx::query_scalar("SELECT COUNT(*) FROM wallet_transactions WHERE wallet_id = $1")
+                .bind(&wallet_id)
+                .fetch_one(&pool)
+                .await
+                .expect("ledger row count should be readable");
+        assert_eq!(transaction_count, 1);
+
+        sqlx::query("UPDATE wallets SET balance = -2, gift_balance = 1 WHERE id = $1")
+            .bind(&wallet_id)
+            .execute(&pool)
+            .await
+            .expect("legacy negative wallet balance should be seeded");
+        let (wallet, transaction) = repository
+            .adjust_wallet_balance(AdjustWalletBalanceInput {
+                wallet_id: wallet_id.clone(),
+                amount_usd: -1.0,
+                balance_type: "recharge".to_string(),
+                operator_id: Some("admin-user".to_string()),
+                description: Some("bulk deduction floors a negative balance".to_string()),
+                clamp_deduction_to_available_balance: true,
+                batch_context: None,
+            })
+            .await
+            .expect("legacy negative wallet should be floored at zero")
+            .expect("wallet should still exist");
+        assert_eq!(wallet.balance + wallet.gift_balance, 0.0);
+        let transaction = transaction.expect("negative balance correction should be ledgered");
+        assert_eq!(transaction.amount, 1.0);
+        assert_eq!(transaction.balance_before, -1.0);
+        assert_eq!(transaction.balance_after, 0.0);
+        let persisted_correction_amount: f64 = sqlx::query_scalar(
+            "SELECT amount::double precision FROM wallet_transactions WHERE id = $1",
+        )
+        .bind(&transaction.id)
+        .fetch_one(&pool)
+        .await
+        .expect("ledger should store the negative-balance correction");
+        assert_eq!(persisted_correction_amount, 1.0);
+        let transaction_count: i64 =
+            sqlx::query_scalar("SELECT COUNT(*) FROM wallet_transactions WHERE wallet_id = $1")
+                .bind(&wallet_id)
+                .fetch_one(&pool)
+                .await
+                .expect("ledger row count should be readable");
+        assert_eq!(transaction_count, 2);
+        pool.close().await;
+    }
+
+    #[tokio::test]
+    #[ignore = "requires AETHER_TEST_DATABASE_URL and PostgreSQL bootstrap schema"]
+    async fn live_admin_wallet_balance_batch_replays_committed_and_zero_delta_results_once() {
+        let pool = isolated_wallet_test_pool().await;
+        let (wallet_id, user_id) = seed_wallet(&pool).await;
+        let repository = SqlxWalletRepository::new(pool.clone());
+        let admin_user_id = "admin-user".to_string();
+        let make_adjustment =
+            |idempotency_key: &str, amount_usd: f64| AdjustWalletBalanceInBatchInput {
+                admin_user_id: admin_user_id.clone(),
+                idempotency_key: idempotency_key.to_string(),
+                user_id: user_id.clone(),
+                adjustment: AdjustWalletBalanceInput {
+                    wallet_id: wallet_id.clone(),
+                    amount_usd,
+                    balance_type: "recharge".to_string(),
+                    operator_id: Some(admin_user_id.clone()),
+                    description: Some("idempotency integration test".to_string()),
+                    clamp_deduction_to_available_balance: true,
+                    batch_context: None,
+                },
+            };
+        let prepare_batch = |idempotency_key: &str, request_fingerprint: &str| {
+            PrepareAdminUserWalletBalanceBatchInput {
+                admin_user_id: admin_user_id.clone(),
+                idempotency_key: idempotency_key.to_string(),
+                request_fingerprint: request_fingerprint.to_string(),
+                target_user_ids: vec![user_id.clone()],
+                missing_user_ids: Vec::new(),
+                warnings: Vec::new(),
+            }
+        };
+
+        assert!(matches!(
+            repository
+                .prepare_admin_user_wallet_balance_batch(prepare_batch(
+                    "deduct-key",
+                    "deduct-fingerprint"
+                ))
+                .await
+                .unwrap(),
+            PrepareAdminUserWalletBalanceBatchOutcome::Ready(_)
+        ));
+        let deduct = make_adjustment("deduct-key", -50.0);
+        assert_eq!(
+            repository
+                .adjust_admin_user_wallet_balance_batch_user(deduct.clone())
+                .await
+                .unwrap(),
+            AdminUserWalletBalanceBatchUserOutcome::Succeeded
+        );
+        assert_eq!(
+            repository
+                .adjust_admin_user_wallet_balance_batch_user(deduct.clone())
+                .await
+                .unwrap(),
+            AdminUserWalletBalanceBatchUserOutcome::Succeeded
+        );
+        let wallet = repository
+            .find(WalletLookupKey::WalletId(&wallet_id))
+            .await
+            .unwrap()
+            .unwrap();
+        assert_eq!(wallet.balance + wallet.gift_balance, 0.0);
+
+        assert!(matches!(
+            repository
+                .prepare_admin_user_wallet_balance_batch(prepare_batch(
+                    "zero-key",
+                    "zero-fingerprint"
+                ))
+                .await
+                .unwrap(),
+            PrepareAdminUserWalletBalanceBatchOutcome::Ready(_)
+        ));
+        let zero_delta = make_adjustment("zero-key", -5.0);
+        assert_eq!(
+            repository
+                .adjust_admin_user_wallet_balance_batch_user(zero_delta.clone())
+                .await
+                .unwrap(),
+            AdminUserWalletBalanceBatchUserOutcome::Succeeded
+        );
+        repository
+            .adjust_wallet_balance(AdjustWalletBalanceInput {
+                wallet_id: wallet_id.clone(),
+                amount_usd: 8.0,
+                balance_type: "recharge".to_string(),
+                operator_id: Some(admin_user_id.clone()),
+                description: Some("recharge after zero-delta batch".to_string()),
+                clamp_deduction_to_available_balance: true,
+                batch_context: None,
+            })
+            .await
+            .unwrap()
+            .unwrap();
+        for replay in [zero_delta, deduct] {
+            assert_eq!(
+                repository
+                    .adjust_admin_user_wallet_balance_batch_user(replay)
+                    .await
+                    .unwrap(),
+                AdminUserWalletBalanceBatchUserOutcome::Succeeded
+            );
+        }
+        assert_eq!(
+            repository
+                .prepare_admin_user_wallet_balance_batch(prepare_batch(
+                    "zero-key",
+                    "different-fingerprint"
+                ))
+                .await
+                .unwrap(),
+            PrepareAdminUserWalletBalanceBatchOutcome::Conflict
+        );
+        let wallet = repository
+            .find(WalletLookupKey::WalletId(&wallet_id))
+            .await
+            .unwrap()
+            .unwrap();
+        assert_eq!(wallet.balance + wallet.gift_balance, 8.0);
+        let transaction_count: i64 =
+            sqlx::query_scalar("SELECT COUNT(*) FROM wallet_transactions WHERE wallet_id = $1")
+                .bind(&wallet_id)
+                .fetch_one(&pool)
+                .await
+                .unwrap();
+        assert_eq!(transaction_count, 2);
+        pool.close().await;
+    }
+
     #[tokio::test]
     async fn repository_constructs_from_lazy_pool() {
         let factory = PostgresPoolFactory::new(PostgresPoolConfig {

crates/aether-data/contracts/src/repository/wallet/types.rs

@@ -2462,6 +2462,59 @@ pub struct AdjustWalletBalanceInput {
     pub balance_type: String,
     pub operator_id: Option<String>,
     pub description: Option<String>,
+    #[serde(default)]
+    pub clamp_deduction_to_available_balance: bool,
+    #[serde(default)]
+    pub batch_context: Option<AdminUserWalletBalanceBatchContext>,
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+pub struct AdminUserWalletBalanceBatchContext {
+    pub admin_user_id: String,
+    pub idempotency_key: String,
+    pub user_id: String,
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+pub struct PrepareAdminUserWalletBalanceBatchInput {
+    pub admin_user_id: String,
+    pub idempotency_key: String,
+    pub request_fingerprint: String,
+    pub target_user_ids: Vec<String>,
+    pub missing_user_ids: Vec<String>,
+    pub warnings: Vec<serde_json::Value>,
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+pub struct StoredAdminUserWalletBalanceBatch {
+    pub admin_user_id: String,
+    pub idempotency_key: String,
+    pub request_fingerprint: String,
+    pub target_user_ids: Vec<String>,
+    pub missing_user_ids: Vec<String>,
+    pub warnings: Vec<serde_json::Value>,
+    pub user_outcomes: std::collections::BTreeMap<String, AdminUserWalletBalanceBatchUserOutcome>,
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+pub enum PrepareAdminUserWalletBalanceBatchOutcome {
+    Ready(StoredAdminUserWalletBalanceBatch),
+    Conflict,
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+#[serde(tag = "status", content = "reason", rename_all = "snake_case")]
+pub enum AdminUserWalletBalanceBatchUserOutcome {
+    Succeeded,
+    Failed(String),
+}
+
+#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
+pub struct AdjustWalletBalanceInBatchInput {
+    pub admin_user_id: String,
+    pub idempotency_key: String,
+    pub user_id: String,
+    pub adjustment: AdjustWalletBalanceInput,
 }
 
 #[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
@@ -2893,7 +2946,51 @@ pub trait WalletWriteRepository: Send + Sync {
     async fn adjust_wallet_balance(
         &self,
         input: AdjustWalletBalanceInput,
-    ) -> Result<Option<(StoredWalletSnapshot, StoredAdminWalletTransaction)>, crate::DataLayerError>;
+    ) -> Result<
+        Option<(StoredWalletSnapshot, Option<StoredAdminWalletTransaction>)>,
+        crate::DataLayerError,
+    >;
+
+    async fn prepare_admin_user_wallet_balance_batch(
+        &self,
+        _input: PrepareAdminUserWalletBalanceBatchInput,
+    ) -> Result<PrepareAdminUserWalletBalanceBatchOutcome, crate::DataLayerError> {
+        Err(crate::DataLayerError::InvalidInput(
+            "idempotent admin wallet batches are not available".to_string(),
+        ))
+    }
+
+    async fn get_admin_user_wallet_balance_batch(
+        &self,
+        _admin_user_id: &str,
+        _idempotency_key: &str,
+        _request_fingerprint: &str,
+    ) -> Result<Option<PrepareAdminUserWalletBalanceBatchOutcome>, crate::DataLayerError> {
+        Err(crate::DataLayerError::InvalidInput(
+            "idempotent admin wallet batches are not available".to_string(),
+        ))
+    }
+
+    async fn adjust_admin_user_wallet_balance_batch_user(
+        &self,
+        _input: AdjustWalletBalanceInBatchInput,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, crate::DataLayerError> {
+        Err(crate::DataLayerError::InvalidInput(
+            "idempotent admin wallet batches are not available".to_string(),
+        ))
+    }
+
+    async fn record_admin_user_wallet_balance_batch_failure(
+        &self,
+        _admin_user_id: &str,
+        _idempotency_key: &str,
+        _user_id: &str,
+        _reason: &str,
+    ) -> Result<AdminUserWalletBalanceBatchUserOutcome, crate::DataLayerError> {
+        Err(crate::DataLayerError::InvalidInput(
+            "idempotent admin wallet batches are not available".to_string(),
+        ))
+    }
 
     async fn create_manual_wallet_recharge(
         &self,

crates/aether-data/runtime/schema/generated/postgres/baseline/005_wallet_billing.sql

@@ -343,3 +343,17 @@ CREATE INDEX IF NOT EXISTS idx_redeem_codes_status ON public.redeem_codes USING
 CREATE INDEX IF NOT EXISTS idx_redeem_codes_redeemed_user ON public.redeem_codes USING btree (redeemed_by_user_id, redeemed_at);
 CREATE INDEX IF NOT EXISTS idx_redeem_codes_redeemed_order ON public.redeem_codes USING btree (redeemed_payment_order_id);
 
+CREATE TABLE IF NOT EXISTS public.admin_user_wallet_balance_batches (
+    admin_user_id character varying(64) NOT NULL,
+    idempotency_key character varying(128) NOT NULL,
+    request_fingerprint character varying(64) NOT NULL,
+    target_user_ids jsonb NOT NULL,
+    missing_user_ids jsonb NOT NULL,
+    warnings jsonb NOT NULL,
+    user_outcomes jsonb NOT NULL,
+    created_at_unix_secs bigint NOT NULL,
+    updated_at_unix_secs bigint NOT NULL
+);
+
+ALTER TABLE ONLY public.admin_user_wallet_balance_batches ADD CONSTRAINT admin_user_wallet_balance_batches_pkey PRIMARY KEY (admin_user_id, idempotency_key);
+

crates/aether-data/runtime/schema/logical/005_wallet_billing.toml

@@ -1366,3 +1366,47 @@ columns = ["redeemed_by_user_id", "redeemed_at"]
 [[table.redeem_codes.indexes]]
 name = "idx_redeem_codes_redeemed_order"
 columns = ["redeemed_payment_order_id"]
+
+[table.admin_user_wallet_balance_batches]
+domain = "wallet_billing"
+order = 110
+primary_key = ["admin_user_id", "idempotency_key"]
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "admin_user_id"
+type = "text_id"
+length = 64
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "idempotency_key"
+type = "text"
+length = 128
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "request_fingerprint"
+type = "text"
+length = 64
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "target_user_ids"
+type = "json"
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "missing_user_ids"
+type = "json"
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "warnings"
+type = "json"
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "user_outcomes"
+type = "json"
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "created_at_unix_secs"
+type = "unix_seconds"
+
+[[table.admin_user_wallet_balance_batches.columns]]
+name = "updated_at_unix_secs"
+type = "unix_seconds"

crates/aether-data/runtime/src/lifecycle/migrate/tests.rs

@@ -1575,6 +1575,7 @@ fn pending_migrations_from_applied_skips_versions_already_applied() {
             20260901000000,
             20260903000000,
             20260908000000,
+            20260923000000,
         ]
     );
 }

crates/aether-data/runtime/src/repository/wallet/memory.rs

@@ -2322,8 +2322,13 @@ impl WalletWriteRepository for InMemoryWalletRepository {
     async fn adjust_wallet_balance(
         &self,
         _input: AdjustWalletBalanceInput,
-    ) -> Result<Option<(StoredWalletSnapshot, super::StoredAdminWalletTransaction)>, DataLayerError>
-    {
+    ) -> Result<
+        Option<(
+            StoredWalletSnapshot,
+            Option<super::StoredAdminWalletTransaction>,
+        )>,
+        DataLayerError,
+    > {
         Ok(None)
     }
 

crates/aether-data/runtime/src/repository/wallet/mod.rs

@@ -16,27 +16,30 @@ pub use aether_data_contracts::repository::wallet::{
     wallet_recharge_order_is_checkout_placeholder,
     wallet_recharge_order_is_reclaimable_placeholder, wallet_recharge_replay_matches,
     wallet_recharge_response_is_checkout_placeholder, wallet_refund_proof_is_success,
-    AdjustWalletBalanceInput, AdminPaymentCallbackRecord, AdminPaymentOrderListQuery,
-    AdminRedeemCodeBatchListQuery, AdminRedeemCodeListQuery, AdminWalletLedgerQuery,
-    AdminWalletListQuery, AdminWalletPaymentOrderRecord, AdminWalletRefundRecord,
-    AdminWalletRefundRequestListQuery, AdminWalletTransactionRecord, CanonicalWalletRefundFields,
-    CompareAndSwapPaymentOrderStripeClientSecretInput, CompleteAdminWalletRefundInput,
-    CreateAdminRedeemCodeBatchInput, CreateAdminRedeemCodeBatchResult,
-    CreateManualWalletRechargeInput, CreatePlanPurchaseOrderInput, CreatePlanPurchaseOrderOutcome,
-    CreateWalletRechargeOrderInput, CreateWalletRechargeOrderOutcome,
-    CreateWalletRefundRequestInput, CreateWalletRefundRequestOutcome,
-    CreatedAdminRedeemCodePlaintext, CreditAdminPaymentOrderInput, DeleteAdminRedeemCodeBatchInput,
+    AdjustWalletBalanceInBatchInput, AdjustWalletBalanceInput, AdminPaymentCallbackRecord,
+    AdminPaymentOrderListQuery, AdminRedeemCodeBatchListQuery, AdminRedeemCodeListQuery,
+    AdminUserWalletBalanceBatchContext, AdminUserWalletBalanceBatchUserOutcome,
+    AdminWalletLedgerQuery, AdminWalletListQuery, AdminWalletPaymentOrderRecord,
+    AdminWalletRefundRecord, AdminWalletRefundRequestListQuery, AdminWalletTransactionRecord,
+    CanonicalWalletRefundFields, CompareAndSwapPaymentOrderStripeClientSecretInput,
+    CompleteAdminWalletRefundInput, CreateAdminRedeemCodeBatchInput,
+    CreateAdminRedeemCodeBatchResult, CreateManualWalletRechargeInput,
+    CreatePlanPurchaseOrderInput, CreatePlanPurchaseOrderOutcome, CreateWalletRechargeOrderInput,
+    CreateWalletRechargeOrderOutcome, CreateWalletRefundRequestInput,
+    CreateWalletRefundRequestOutcome, CreatedAdminRedeemCodePlaintext,
+    CreditAdminPaymentOrderInput, DeleteAdminRedeemCodeBatchInput,
     DisableAdminRedeemCodeBatchInput, DisableAdminRedeemCodeInput, FailAdminWalletRefundInput,
-    FailWalletRechargeCheckoutInput, InitializeAuthWalletOutcome, ProcessAdminWalletRefundInput,
-    ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome, ReclaimWalletRechargeCheckoutInput,
-    RedeemWalletCodeInput, RedeemWalletCodeOutcome, StoredAdminPaymentCallback,
-    StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder, StoredAdminPaymentOrderPage,
-    StoredAdminRedeemCode, StoredAdminRedeemCodeBatch, StoredAdminRedeemCodeBatchPage,
-    StoredAdminRedeemCodePage, StoredAdminWalletLedgerItem, StoredAdminWalletLedgerPage,
-    StoredAdminWalletListItem, StoredAdminWalletListPage, StoredAdminWalletRefund,
-    StoredAdminWalletRefundPage, StoredAdminWalletRefundRequestItem,
-    StoredAdminWalletRefundRequestPage, StoredAdminWalletTransaction,
-    StoredAdminWalletTransactionPage, StoredWalletDailyUsageLedger,
+    FailWalletRechargeCheckoutInput, InitializeAuthWalletOutcome,
+    PrepareAdminUserWalletBalanceBatchInput, PrepareAdminUserWalletBalanceBatchOutcome,
+    ProcessAdminWalletRefundInput, ProcessPaymentCallbackInput, ProcessPaymentCallbackOutcome,
+    ReclaimWalletRechargeCheckoutInput, RedeemWalletCodeInput, RedeemWalletCodeOutcome,
+    StoredAdminPaymentCallback, StoredAdminPaymentCallbackPage, StoredAdminPaymentOrder,
+    StoredAdminPaymentOrderPage, StoredAdminRedeemCode, StoredAdminRedeemCodeBatch,
+    StoredAdminRedeemCodeBatchPage, StoredAdminRedeemCodePage, StoredAdminUserWalletBalanceBatch,
+    StoredAdminWalletLedgerItem, StoredAdminWalletLedgerPage, StoredAdminWalletListItem,
+    StoredAdminWalletListPage, StoredAdminWalletRefund, StoredAdminWalletRefundPage,
+    StoredAdminWalletRefundRequestItem, StoredAdminWalletRefundRequestPage,
+    StoredAdminWalletTransaction, StoredAdminWalletTransactionPage, StoredWalletDailyUsageLedger,
     StoredWalletDailyUsageLedgerPage, StoredWalletSnapshot, UpdateAdminWalletRefundGatewayInput,
     UpdateWalletRechargeCheckoutInput, WalletLookupKey, WalletMutationOutcome,
     WalletReadRepository, WalletReadSeed, WalletReadSnapshot, WalletRepository,

frontend/src/api/__tests__/users.spec.ts

@@ -17,7 +17,7 @@ vi.mock('@/utils/cache', () => ({
   cachedRequest: cachedRequestMock,
 }))
 
-import { usersApi } from '@/api/users'
+import { buildUserBatchBalanceAdjustmentPayload, usersApi } from '@/api/users'
 
 describe('usersApi admin list query', () => {
   beforeEach(() => {
@@ -104,3 +104,25 @@ describe('usersApi admin list query', () => {
     expect(getMock).toHaveBeenCalledWith('/api/admin/users/target-user/api-keys')
   })
 })
+
+describe('user batch wallet balance payload', () => {
+  it('builds an addition payload from a valid positive amount', () => {
+    expect(buildUserBatchBalanceAdjustmentPayload('add', '12.5')).toEqual({
+      operation: 'add',
+      amount: 12.5,
+    })
+  })
+
+  it('builds a deduction payload from a valid positive amount', () => {
+    expect(buildUserBatchBalanceAdjustmentPayload('deduct', 4)).toEqual({
+      operation: 'deduct',
+      amount: 4,
+    })
+  })
+
+  it('rejects zero, blank, and non-finite amounts', () => {
+    expect(buildUserBatchBalanceAdjustmentPayload('add', '0')).toBeNull()
+    expect(buildUserBatchBalanceAdjustmentPayload('deduct', '')).toBeNull()
+    expect(buildUserBatchBalanceAdjustmentPayload('deduct', '1e999')).toBeNull()
+  })
+})

frontend/src/api/users.ts

@@ -120,9 +120,28 @@ export interface UserBatchRolePayload {
   role: UserRole
 }
 
-export type UserBatchAction = 'enable' | 'disable' | 'update_access_control' | 'update_role'
+export type UserBatchBalanceOperation = 'add' | 'deduct'
 
-export type UserBatchActionPayload = UserBatchAccessControlPayload | UserBatchRolePayload
+export interface UserBatchBalanceAdjustmentPayload {
+  operation: UserBatchBalanceOperation
+  amount: number
+}
+
+export function buildUserBatchBalanceAdjustmentPayload(
+  operation: UserBatchBalanceOperation,
+  amountInput: string | number,
+): UserBatchBalanceAdjustmentPayload | null {
+  const amount = typeof amountInput === 'number' ? amountInput : Number(amountInput.trim())
+  if (!Number.isFinite(amount) || amount <= 0) return null
+  return { operation, amount }
+}
+
+export type UserBatchAction = 'enable' | 'disable' | 'update_access_control' | 'update_role' | 'adjust_wallet_balance'
+
+export type UserBatchActionPayload =
+  | UserBatchAccessControlPayload
+  | UserBatchRolePayload
+  | UserBatchBalanceAdjustmentPayload
 
 export interface UserBatchToggleActionRequest {
   selection: UserBatchSelection
@@ -142,10 +161,18 @@ export interface UserBatchRoleActionRequest {
   payload: UserBatchRolePayload
 }
 
+export interface UserBatchBalanceActionRequest {
+  selection: UserBatchSelection
+  action: 'adjust_wallet_balance'
+  payload: UserBatchBalanceAdjustmentPayload
+  idempotency_key: string
+}
+
 export type UserBatchActionRequest =
   | UserBatchToggleActionRequest
   | UserBatchAccessControlActionRequest
   | UserBatchRoleActionRequest
+  | UserBatchBalanceActionRequest
 
 export interface UserBatchActionFailure {
   user_id: string
@@ -157,6 +184,10 @@ export interface UserBatchActionResponse {
   success: number
   failed: number
   failures: UserBatchActionFailure[]
+  interrupted?: boolean
+  completed_user_ids?: string[]
+  uncertain_user_ids?: string[]
+  unprocessed_user_ids?: string[]
   warnings?: UserBatchSelectionWarning[]
   action?: string
   modified_fields?: string[]

frontend/src/features/users/components/UserBatchActionDialog.vue

@@ -2,7 +2,7 @@
   <Dialog
     :model-value="open"
     :title="legacyT('用户批量操作')"
-    :description="legacyT('按当前选择批量调整用户状态、角色和额度')"
+    :description="legacyT('按当前选择批量调整用户状态、角色、额度和钱包余额')"
     size="2xl"
     persistent
     @update:model-value="handleDialogUpdate"
@@ -39,6 +39,88 @@
         v-model="quotaMode"
       />
 
+      <div
+        v-if="selectedAction === 'adjust_wallet_balance'"
+        class="space-y-3 rounded-xl border border-border bg-background p-4"
+      >
+        <div class="flex flex-wrap items-center justify-between gap-3">
+          <Label for="user-batch-wallet-amount" class="text-sm font-medium">
+            {{ legacyT('调整金额 (USD)') }}
+          </Label>
+          <div class="inline-flex rounded-md border border-border p-0.5" role="group" :aria-label="legacyT('余额调整方式')">
+            <Button
+              type="button"
+              size="sm"
+              :variant="balanceOperation === 'add' ? 'default' : 'ghost'"
+              :aria-pressed="balanceOperation === 'add'"
+              @click="balanceOperation = 'add'"
+            >
+              <Plus class="mr-1.5 h-4 w-4" />
+              {{ legacyT('增加') }}
+            </Button>
+            <Button
+              type="button"
+              size="sm"
+              :variant="balanceOperation === 'deduct' ? 'default' : 'ghost'"
+              :aria-pressed="balanceOperation === 'deduct'"
+              @click="balanceOperation = 'deduct'"
+            >
+              <Minus class="mr-1.5 h-4 w-4" />
+              {{ legacyT('扣减') }}
+            </Button>
+          </div>
+        </div>
+        <Input
+          id="user-batch-wallet-amount"
+          :model-value="balanceAmount"
+          type="number"
+          min="0"
+          step="any"
+          inputmode="decimal"
+          :aria-invalid="balanceAmount !== '' && balancePayload === null"
+          @update:model-value="balanceAmount = String($event)"
+        />
+        <p v-if="balanceAmount !== '' && balancePayload === null" class="text-xs text-destructive">
+          {{ legacyT('请输入大于 0 的有限金额') }}
+        </p>
+        <p class="text-xs leading-relaxed text-muted-foreground">
+          {{ legacyT('扣减超过单个用户可用余额时，该用户余额将归零。') }}
+        </p>
+      </div>
+
+      <div
+        v-if="pendingWalletBatch"
+        role="alert"
+        class="space-y-2 rounded-md border border-amber-300 bg-amber-50 px-3 py-3 text-sm text-amber-900 dark:border-amber-900/60 dark:bg-amber-950/30 dark:text-amber-100"
+      >
+        <p>
+          {{ legacyT('存在未决的钱包批量调整') }}：{{ pendingWalletOperationLabel }} {{ pendingWalletBatch.request.payload.amount }} USD。{{ legacyT('结果未知或可能部分完成。请重试原请求，不要开始新的余额调整。') }}
+        </p>
+        <p
+          v-if="walletRequestMismatch"
+          class="text-xs"
+        >
+          {{ legacyT('当前表单与原请求不同；新钱包调整已禁用，请先重试原请求。') }}
+        </p>
+        <Button
+          type="button"
+          size="sm"
+          variant="outline"
+          :disabled="executing"
+          @click="retryPendingWalletBatch"
+        >
+          <RotateCcw class="mr-1.5 h-4 w-4" />
+          {{ legacyT('重试原钱包批次') }}
+        </Button>
+      </div>
+      <p
+        v-else-if="pendingWalletReadError"
+        role="alert"
+        class="rounded-md border border-amber-300 bg-amber-50 px-3 py-2.5 text-sm text-amber-900 dark:border-amber-900/60 dark:bg-amber-950/30 dark:text-amber-100"
+      >
+        {{ legacyT('无法读取未决的钱包批量请求。为避免重复扣款，钱包余额调整已禁用；请先核对余额操作结果。') }}
+      </p>
+
       <UserBatchResultSummary
         :result="lastResult"
         :label="lastResultLabel"
@@ -69,8 +151,12 @@ import { computed, ref, watch } from 'vue'
 import {
   Dialog,
   Button,
+  Input,
+  Label,
 } from '@/components/ui'
+import { Minus, Plus, RotateCcw } from 'lucide-vue-next'
 import { useUsersStore } from '@/stores/users'
+import { useAuthStore } from '@/stores/auth'
 import { useToast } from '@/composables/useToast'
 import { parseApiError } from '@/utils/errorParser'
 import { useI18n } from '@/i18n'
@@ -82,11 +168,27 @@ import UserBatchRolePanel from './UserBatchRolePanel.vue'
 import UserBatchTargetSummary from './UserBatchTargetSummary.vue'
 import { USER_BATCH_ACTION_OPTIONS } from './user-management-config'
 import type { UserBatchQuotaMode } from './user-management-types'
+import { buildUserBatchBalanceAdjustmentPayload } from '@/api/users'
+import {
+  createUserBatchWalletRetryCoordinator,
+  matchesPendingWalletRequest,
+  WalletIdempotencyCoordinationUnavailableError,
+  WalletIdempotencyPersistenceUnavailableError,
+  WalletIdempotencyRequestInProgressError,
+  WalletIdempotencyScopeChangedError,
+  WalletIdempotencyScopeUnavailableError,
+  WalletIdempotencyUnavailableError,
+} from '../utils/userBatchWalletIdempotency'
+import type {
+  PendingUserBatchWalletRequest,
+  UserBatchWalletAdjustmentRequest,
+} from '../utils/userBatchWalletIdempotency'
 import type {
   UserBatchAccessControlPayload,
   UserBatchAction,
   UserBatchActionRequest,
   UserBatchActionResponse,
+  UserBatchBalanceOperation,
   UserBatchRolePayload,
   UserBatchSelection,
   UserBatchSelectionFilters,
@@ -110,22 +212,51 @@ const emit = defineEmits<{
 }>()
 
 const usersStore = useUsersStore()
+const authStore = useAuthStore()
+const walletRetryCoordinator = createUserBatchWalletRetryCoordinator({
+  scope: () => authStore.user?.id ?? null,
+})
 const { success, warning, error } = useToast()
 const { legacyT, locale } = useI18n()
 
 const selectedAction = ref<UserBatchAction>('enable')
 const targetRole = ref<UserRole>('user')
 const quotaMode = ref<UserBatchQuotaMode>('skip')
+const balanceOperation = ref<UserBatchBalanceOperation>('add')
+const balanceAmount = ref('')
 const selectedGroupIds = ref<string[]>([])
 const previewLoading = ref(false)
 const previewItems = ref<UserBatchSelectionItem[]>([])
 const resolvedTotal = ref<number | null>(null)
 const executing = ref(false)
 const lastResult = ref<UserBatchActionResponse | null>(null)
+const pendingWalletBatch = ref<PendingUserBatchWalletRequest | null>(null)
+const pendingWalletReadError = ref(false)
 
 const hasAnyTarget = computed(() => props.selectedCount > 0 || selectedGroupIds.value.length > 0)
 const impactCount = computed(() => resolvedTotal.value ?? props.selectedCount)
-const canExecute = computed(() => hasAnyTarget.value && !previewLoading.value && !executing.value)
+const balancePayload = computed(() => buildUserBatchBalanceAdjustmentPayload(
+  balanceOperation.value,
+  balanceAmount.value,
+))
+const walletAdjustmentRequest = computed<UserBatchWalletAdjustmentRequest | null>(() => (
+  balancePayload.value === null
+    ? null
+    : { selection: buildSelection(), action: 'adjust_wallet_balance', payload: balancePayload.value }
+))
+const walletRequestMismatch = computed(() => (
+  pendingWalletBatch.value !== null
+  && selectedAction.value === 'adjust_wallet_balance'
+  && (walletAdjustmentRequest.value === null
+    || !matchesPendingWalletRequest(pendingWalletBatch.value, walletAdjustmentRequest.value))
+))
+const canExecute = computed(() => (
+  hasAnyTarget.value
+  && !previewLoading.value
+  && !executing.value
+  && (selectedAction.value !== 'adjust_wallet_balance'
+    || (balancePayload.value !== null && !pendingWalletReadError.value && !walletRequestMismatch.value))
+))
 const selectedActionLabel = computed(() => (
   USER_BATCH_ACTION_OPTIONS.find((action) => action.value === selectedAction.value)?.label ?? '批量操作'
 ))
@@ -143,13 +274,25 @@ const targetRoleWarning = computed(() => {
   return legacyT('提示：设置为普通用户会移除目标用户的管理员权限。')
 })
 const executeButtonLabel = computed(() => legacyT(`确认${selectedActionLabel.value}（${impactCount.value}）`))
+const pendingWalletOperationLabel = computed(() => (
+  pendingWalletBatch.value?.request.payload.operation === 'deduct'
+    ? legacyT('扣减')
+    : legacyT('增加')
+))
 const lastResultLabel = computed(() => {
   if (!lastResult.value) return ''
+  if (lastResult.value.interrupted) {
+    return legacyT(
+      `批量操作中断：成功 ${lastResult.value.success} 个，结果待确认 ${lastResult.value.uncertain_user_ids?.length ?? 0} 个，尚未执行 ${lastResult.value.unprocessed_user_ids?.length ?? 0} 个`,
+    )
+  }
   return legacyT(`成功 ${lastResult.value.success} 个，失败 ${lastResult.value.failed} 个`)
 })
 const lastResultFailuresLabel = computed(() => {
   if (!lastResult.value || lastResult.value.failures.length === 0) return ''
-  const failures = lastResult.value.failures.slice(0, 3).map((item) => `${item.user_id} ${item.reason}`).join(locale.value === 'en-US' ? '; ' : '；')
+  const failures = lastResult.value.failures.slice(0, 3)
+    .map((item) => `${item.user_id} ${legacyT(item.reason)}`)
+    .join(locale.value === 'en-US' ? '; ' : '；')
   return locale.value === 'en-US' ? `: ${failures}` : `：${failures}`
 })
 
@@ -158,8 +301,15 @@ watch(
   (open) => {
     if (!open) return
     resetLocalState()
+    refreshPendingWalletBatch()
     void resolvePreview()
   },
+  { immediate: true },
+)
+
+watch(
+  () => authStore.user?.id,
+  () => refreshPendingWalletBatch(),
 )
 
 watch(
@@ -177,10 +327,22 @@ function resetLocalState(): void {
   selectedAction.value = 'enable'
   targetRole.value = 'user'
   quotaMode.value = 'skip'
+  balanceOperation.value = 'add'
+  balanceAmount.value = ''
   selectedGroupIds.value = []
   lastResult.value = null
 }
 
+function refreshPendingWalletBatch(): void {
+  try {
+    pendingWalletBatch.value = walletRetryCoordinator.getPending()
+    pendingWalletReadError.value = false
+  } catch {
+    pendingWalletBatch.value = null
+    pendingWalletReadError.value = true
+  }
+}
+
 function buildSelection(): UserBatchSelection {
   const group_ids = selectedGroupIds.value.length > 0 ? [...selectedGroupIds.value] : undefined
   if (props.selectAllFiltered) {
@@ -227,7 +389,8 @@ function buildRolePayload(): UserBatchRolePayload {
 async function executeBatchAction(): Promise<void> {
   if (!canExecute.value) return
   const selection = buildSelection()
-  let request: UserBatchActionRequest
+  let request: Exclude<UserBatchActionRequest, { action: 'adjust_wallet_balance' }> | null = null
+  let walletRequest: UserBatchWalletAdjustmentRequest | null = null
   if (selectedAction.value === 'update_access_control') {
     const payload = buildAccessControlPayload()
     if (payload === null) {
@@ -235,6 +398,12 @@ async function executeBatchAction(): Promise<void> {
       return
     }
     request = { selection, action: 'update_access_control', payload }
+  } else if (selectedAction.value === 'adjust_wallet_balance') {
+    if (walletAdjustmentRequest.value === null) {
+      warning(legacyT('请输入大于 0 的有限金额'))
+      return
+    }
+    walletRequest = walletAdjustmentRequest.value
   } else if (selectedAction.value === 'update_role') {
     request = { selection, action: 'update_role', payload: buildRolePayload() }
   } else {
@@ -243,8 +412,22 @@ async function executeBatchAction(): Promise<void> {
 
   executing.value = true
   try {
+    if (walletRequest) {
+      const result = await walletRetryCoordinator.execute(
+        walletRequest,
+        (keyedRequest) => usersStore.batchAction(keyedRequest),
+      )
+      handleWalletBatchResult(result)
+      return
+    }
+    if (request === null) return
     const result = await usersStore.batchAction(request)
     lastResult.value = result
+    if (result.interrupted) {
+      warning(`${lastResultLabel.value}；${legacyT('请核对余额后再重试，勿直接重试整批')}`)
+      emit('completed', result)
+      return
+    }
     const message = legacyT(`批量操作完成：成功 ${result.success} 个，失败 ${result.failed} 个`)
     if (result.failed > 0) {
       warning(message)
@@ -253,9 +436,71 @@ async function executeBatchAction(): Promise<void> {
     }
     emit('completed', result)
   } catch (err) {
-    error(parseApiError(err, '批量操作失败'), legacyT('批量操作失败'))
+    if (walletRequest) {
+      refreshPendingWalletBatch()
+      if (err instanceof WalletIdempotencyPersistenceUnavailableError) {
+        warning(legacyT('浏览器无法安全保存钱包批量请求，本次请求未发送。'))
+      } else if (err instanceof WalletIdempotencyRequestInProgressError) {
+        warning(legacyT('另一个标签页正在处理钱包批量调整，请稍后刷新状态再试。此次未发送新请求。'))
+      } else if (err instanceof WalletIdempotencyCoordinationUnavailableError) {
+        warning(legacyT('当前浏览器无法保护跨标签页的钱包批量请求，请使用支持此功能的浏览器。请求未发送。'))
+      } else if (
+        err instanceof WalletIdempotencyUnavailableError
+        || err instanceof WalletIdempotencyScopeUnavailableError
+        || err instanceof WalletIdempotencyScopeChangedError
+      ) {
+        warning(legacyT('无法确认管理员身份或安全生成钱包批量请求标识，请求未发送。'))
+      } else {
+        warning(legacyT('钱包批量调整结果未知或可能部分完成。请重试原请求，不要开始新的余额调整。'))
+      }
+    } else {
+      error(legacyT(parseApiError(err, '批量操作失败')), legacyT('批量操作失败'))
+    }
   } finally {
     executing.value = false
   }
 }
+
+async function retryPendingWalletBatch(): Promise<void> {
+  if (executing.value) return
+  executing.value = true
+  try {
+    const result = await walletRetryCoordinator.retry(
+      (request) => usersStore.batchAction(request),
+    )
+    if (result) handleWalletBatchResult(result)
+    else refreshPendingWalletBatch()
+  } catch (err) {
+    refreshPendingWalletBatch()
+    if (err instanceof WalletIdempotencyPersistenceUnavailableError) {
+      warning(legacyT('浏览器无法安全保存钱包批量请求，本次请求未发送。'))
+    } else if (err instanceof WalletIdempotencyRequestInProgressError) {
+      warning(legacyT('另一个标签页正在处理钱包批量调整，请稍后刷新状态再试。此次未发送新请求。'))
+    } else if (err instanceof WalletIdempotencyCoordinationUnavailableError) {
+      warning(legacyT('当前浏览器无法保护跨标签页的钱包批量请求，请使用支持此功能的浏览器。请求未发送。'))
+    } else if (
+      err instanceof WalletIdempotencyScopeUnavailableError
+      || err instanceof WalletIdempotencyScopeChangedError
+    ) {
+      warning(legacyT('无法确认管理员身份，请求未发送。'))
+    } else {
+      warning(legacyT('钱包批量调整结果未知或可能部分完成。请重试原请求，不要开始新的余额调整。'))
+    }
+  } finally {
+    executing.value = false
+  }
+}
+
+function handleWalletBatchResult(result: UserBatchActionResponse): void {
+  lastResult.value = result
+  refreshPendingWalletBatch()
+  if (result.interrupted) {
+    warning(`${lastResultLabel.value}；${legacyT('结果可能部分完成，请仅重试原请求，不要开始新的余额调整。')}`)
+  } else {
+    const message = legacyT(`批量操作完成：成功 ${result.success} 个，失败 ${result.failed} 个`)
+    if (result.failed > 0) warning(message)
+    else success(message)
+  }
+  emit('completed', result)
+}
 </script>

frontend/src/features/users/components/UserBatchResultSummary.vue

@@ -7,11 +7,26 @@
     <span v-if="failuresLabel">
       {{ failuresLabel }}
     </span>
+    <details v-if="result.interrupted" class="mt-2 border-t border-border/60 pt-2">
+      <summary class="cursor-pointer select-none">{{ legacyT('查看批次中断详情') }}</summary>
+      <div class="mt-2 max-h-32 space-y-1 overflow-auto break-all">
+        <p>{{ legacyT('已完成用户 ID') }}：{{ userIds(result.completed_user_ids) }}</p>
+        <p>{{ legacyT('结果待核对用户 ID') }}：{{ userIds(result.uncertain_user_ids) }}</p>
+        <p>{{ legacyT('尚未执行用户 ID') }}：{{ userIds(result.unprocessed_user_ids) }}</p>
+      </div>
+    </details>
   </div>
 </template>
 
 <script setup lang="ts">
 import type { UserBatchActionResponse } from '@/api/users'
+import { useI18n } from '@/i18n'
+
+const { legacyT } = useI18n()
+
+function userIds(ids?: string[]): string {
+  return ids && ids.length > 0 ? ids.join(', ') : '-'
+}
 
 defineProps<{
   result: UserBatchActionResponse | null

frontend/src/features/users/components/user-management-config.ts

@@ -3,6 +3,7 @@ import {
   CheckCircle2,
   ShieldCheck,
   UserCog,
+  Wallet,
 } from 'lucide-vue-next'
 import type { Component } from 'vue'
 import type { UserBatchAction, UserRole } from '@/api/users'
@@ -64,6 +65,12 @@ export const USER_BATCH_ACTION_OPTIONS: UserBatchActionOption[] = [
     description: '批量设为普通用户或管理员',
     icon: UserCog,
   },
+  {
+    value: 'adjust_wallet_balance',
+    label: '调整余额',
+    description: '批量增加或扣减钱包余额',
+    icon: Wallet,
+  },
 ]
 
 export function formatUserRoleLabel(role: UserRole | string): string {

frontend/src/features/users/utils/__tests__/userBatchWalletIdempotency.spec.ts

@@ -0,0 +1,388 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import type { UserBatchActionResponse, UserBatchBalanceActionRequest } from '@/api/users'
+import {
+  createUserBatchWalletRetryCoordinator,
+  WalletIdempotencyCoordinationUnavailableError,
+  WalletIdempotencyRequestInProgressError,
+  UnresolvedWalletRequestMismatchError,
+  WalletIdempotencyPersistenceUnavailableError,
+  WalletIdempotencyUnavailableError,
+} from '../userBatchWalletIdempotency'
+
+function createStorage() {
+  const values = new Map<string, string>()
+  return {
+    getItem: (key: string) => values.get(key) ?? null,
+    setItem: (key: string, value: string) => values.set(key, value),
+    removeItem: (key: string) => values.delete(key),
+  }
+}
+
+const walletRequest = {
+  selection: { user_ids: ['user-1', 'user-2'], group_ids: ['group-1'] },
+  action: 'adjust_wallet_balance' as const,
+  payload: { operation: 'deduct' as const, amount: 17.25 },
+}
+const defaultStorageKey = 'admin.users.batch.wallet-adjustment.pending.v1:default'
+let testFallback: Map<string, string>
+let testLockManager: Pick<LockManager, 'request'>
+
+type CoordinatorOptions = NonNullable<Parameters<typeof createUserBatchWalletRetryCoordinator>[0]>
+
+function createTestLockManager(): Pick<LockManager, 'request'> {
+  const heldNames = new Set<string>()
+  const request = async <T>(
+    name: string,
+    _options: LockOptions,
+    callback: (lock: Lock | null) => Promise<T>,
+  ): Promise<T> => {
+    if (heldNames.has(name)) return callback(null)
+    heldNames.add(name)
+    try {
+      return await callback({ name, mode: 'exclusive' } as Lock)
+    } finally {
+      heldNames.delete(name)
+    }
+  }
+  return { request } as unknown as Pick<LockManager, 'request'>
+}
+
+function createCoordinator(options: Omit<CoordinatorOptions, 'lockManager'> = {}) {
+  return createUserBatchWalletRetryCoordinator({ ...options, lockManager: testLockManager })
+}
+
+function response(interrupted = false): UserBatchActionResponse {
+  return { total: 2, success: 1, failed: 0, failures: [], interrupted }
+}
+
+describe('user batch wallet idempotency', () => {
+  beforeEach(() => {
+    sessionStorage.clear()
+    localStorage.clear()
+    testFallback = new Map()
+    testLockManager = createTestLockManager()
+  })
+
+  it('serializes the key with the exact top-level wallet request before sending', async () => {
+    const storage = createStorage()
+    const coordinator = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-1',
+    })
+    let storedDuringSend: string | null = null
+    let sentRequest: UserBatchBalanceActionRequest | undefined
+
+    await coordinator.execute(walletRequest, async (request) => {
+      sentRequest = request
+      storedDuringSend = storage.getItem(defaultStorageKey)
+      return response(true)
+    })
+
+    expect(sentRequest).toEqual({ ...walletRequest, idempotency_key: 'wallet-key-1' })
+    expect(JSON.parse(storedDuringSend ?? 'null')).toEqual({
+      idempotency_key: 'wallet-key-1',
+      request: sentRequest,
+    })
+  })
+
+  it('rejects a second tab while the same wallet batch request is in progress', async () => {
+    const storage = createStorage()
+    const first = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-first-tab',
+    })
+    const second = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-second-tab',
+    })
+    let resolveFirst!: (value: UserBatchActionResponse) => void
+    const firstSend = vi.fn(() => new Promise<UserBatchActionResponse>((resolve) => {
+      resolveFirst = resolve
+    }))
+    const secondSend = vi.fn(async () => response())
+    const firstExecution = first.execute(walletRequest, firstSend)
+
+    await vi.waitFor(() => expect(firstSend).toHaveBeenCalledOnce())
+    await expect(second.execute(walletRequest, secondSend)).rejects.toBeInstanceOf(
+      WalletIdempotencyRequestInProgressError,
+    )
+    expect(secondSend).not.toHaveBeenCalled()
+
+    resolveFirst(response())
+    await expect(firstExecution).resolves.toEqual(response())
+    expect(firstSend).toHaveBeenCalledOnce()
+    expect(storage.getItem(defaultStorageKey)).toBeNull()
+  })
+
+  it('fails closed when cross-tab request coordination is unavailable', async () => {
+    const storage = createStorage()
+    const send = vi.fn(async () => response())
+    const coordinator = createUserBatchWalletRetryCoordinator({
+      storage,
+      fallback: testFallback,
+      lockManager: null,
+      createKey: () => 'wallet-key-without-locks',
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toBeInstanceOf(
+      WalletIdempotencyCoordinationUnavailableError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(storage.getItem(defaultStorageKey)).toBeNull()
+  })
+
+  it('retains a transport failure and reopens with the exact request for retry', async () => {
+    const storage = createStorage()
+    const first = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-2',
+    })
+    const sendFailure = new Error('connection lost')
+    await expect(first.execute(walletRequest, async () => { throw sendFailure })).rejects.toBe(sendFailure)
+
+    const reopened = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'must-not-be-used',
+    })
+    const pending = reopened.getPending()
+    expect(pending).toEqual({
+      idempotency_key: 'wallet-key-2',
+      request: { ...walletRequest, idempotency_key: 'wallet-key-2' },
+    })
+
+    const send = vi.fn(async () => response())
+    await expect(reopened.retry(send)).resolves.toEqual(response())
+    expect(send).toHaveBeenCalledWith(pending?.request)
+    expect(storage.getItem(defaultStorageKey)).toBeNull()
+  })
+
+  it('keeps unresolved requests in persistent browser storage across coordinators', async () => {
+    const first = createCoordinator({
+      createKey: () => 'wallet-key-persistent',
+      scope: () => 'admin-1',
+    })
+    await expect(first.execute(walletRequest, async () => {
+      throw new Error('connection lost')
+    })).rejects.toThrow('connection lost')
+
+    const reopened = createCoordinator({ scope: () => 'admin-1' })
+    const pending = reopened.getPending()
+    expect(pending?.request).toEqual({
+      ...walletRequest,
+      idempotency_key: 'wallet-key-persistent',
+    })
+
+    const send = vi.fn(async () => response())
+    await reopened.retry(send)
+    expect(send).toHaveBeenCalledWith(pending?.request)
+    expect(localStorage.getItem(
+      'admin.users.batch.wallet-adjustment.pending.v1:admin-1',
+    )).toBeNull()
+  })
+
+  it('keeps unresolved requests isolated by authenticated administrator', async () => {
+    const storage = createStorage()
+    const adminA = createCoordinator({
+      storage,
+      fallback: testFallback,
+      scope: () => 'admin-a',
+      createKey: () => 'wallet-key-admin-a',
+    })
+    await expect(adminA.execute(walletRequest, async () => { throw new Error('connection lost') }))
+      .rejects.toThrow('connection lost')
+
+    const adminB = createCoordinator({
+      storage,
+      fallback: testFallback,
+      scope: () => 'admin-b',
+      createKey: () => 'wallet-key-admin-b',
+    })
+    expect(adminB.getPending()).toBeNull()
+    await adminB.execute(walletRequest, async () => response(true))
+
+    expect(adminA.getPending()?.idempotency_key).toBe('wallet-key-admin-a')
+    expect(adminB.getPending()?.idempotency_key).toBe('wallet-key-admin-b')
+  })
+
+  it('does not send if the authenticated administrator changes before dispatch', async () => {
+    const storage = createStorage()
+    let scopeReads = 0
+    const send = vi.fn(async () => response())
+    const coordinator = createCoordinator({
+      storage,
+      fallback: testFallback,
+      scope: () => (++scopeReads === 1 ? 'admin-a' : 'admin-b'),
+      createKey: () => 'wallet-key-scope-change',
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toThrow(
+      'authenticated administrator changed',
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(storage.getItem('admin.users.batch.wallet-adjustment.pending.v1:admin-a')).not.toBeNull()
+  })
+
+  it('retains interrupted requests and reuses their key until a terminal response', async () => {
+    const storage = createStorage()
+    const first = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-3',
+    })
+    await first.execute(walletRequest, async () => response(true))
+    const reopened = createCoordinator({ storage, fallback: testFallback })
+    const pending = reopened.getPending()
+    const send = vi.fn(async () => response(true))
+
+    await reopened.retry(send)
+
+    expect(send).toHaveBeenCalledWith(pending?.request)
+    expect(reopened.getPending()).toEqual(pending)
+    await reopened.retry(async (request) => {
+      expect(request).toEqual(pending?.request)
+      return response()
+    })
+    expect(reopened.getPending()).toBeNull()
+  })
+
+  it('matches the same serialized request when optional filter fields are omitted', async () => {
+    const storage = createStorage()
+    const requestWithUndefinedField = {
+      ...walletRequest,
+      selection: { filters: { search: 'active', is_active: undefined } },
+    }
+    const first = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-filter',
+    })
+    await first.execute(requestWithUndefinedField, async () => response(true))
+
+    const reopened = createCoordinator({ storage, fallback: testFallback })
+    const send = vi.fn(async () => response())
+    await reopened.execute({
+      ...walletRequest,
+      selection: { filters: { search: 'active' } },
+    }, send)
+
+    expect(send).toHaveBeenCalledWith({
+      ...walletRequest,
+      selection: { filters: { search: 'active' } },
+      idempotency_key: 'wallet-key-filter',
+    })
+  })
+
+  it('blocks changed payloads while unresolved and gives a later adjustment a new key', async () => {
+    const storage = createStorage()
+    let nextKey = 0
+    const coordinator = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => `wallet-key-${++nextKey}`,
+    })
+    await expect(coordinator.execute(walletRequest, async () => { throw new Error('connection lost') }))
+      .rejects.toThrow('connection lost')
+    const changedRequest = {
+      ...walletRequest,
+      payload: { operation: 'add' as const, amount: 20 },
+    }
+    const send = vi.fn(async () => response())
+
+    await expect(coordinator.execute(changedRequest, send)).rejects.toBeInstanceOf(
+      UnresolvedWalletRequestMismatchError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(coordinator.getPending()?.idempotency_key).toBe('wallet-key-1')
+
+    await coordinator.retry(async () => response())
+    let newRequest
+    await coordinator.execute(changedRequest, async (request) => {
+      newRequest = request
+      return response()
+    })
+
+    expect(newRequest).toEqual({ ...changedRequest, idempotency_key: 'wallet-key-2' })
+  })
+
+  it('fails closed when persistent storage cannot save the request', async () => {
+    const unavailableStorage = {
+      getItem: () => null,
+      setItem: () => { throw new Error('storage unavailable') },
+      removeItem: () => undefined,
+    }
+    const send = vi.fn(async () => response(true))
+    const coordinator = createCoordinator({
+      storage: unavailableStorage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-fallback',
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toBeInstanceOf(
+      WalletIdempotencyPersistenceUnavailableError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(testFallback.size).toBe(0)
+  })
+
+  it('does not send when persistent storage readback does not match', async () => {
+    let wasWritten = false
+    const mismatchedStorage = {
+      getItem: () => wasWritten ? 'different request' : null,
+      setItem: () => { wasWritten = true },
+      removeItem: () => undefined,
+    }
+    const send = vi.fn(async () => response())
+    const coordinator = createCoordinator({
+      storage: mismatchedStorage,
+      fallback: testFallback,
+      createKey: () => 'wallet-key-readback',
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toBeInstanceOf(
+      WalletIdempotencyPersistenceUnavailableError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(testFallback.size).toBe(0)
+  })
+
+  it('does not create a new request when persistent storage cannot be read', async () => {
+    const unavailableStorage = {
+      getItem: () => { throw new Error('storage unavailable') },
+      setItem: () => undefined,
+      removeItem: () => undefined,
+    }
+    const send = vi.fn(async () => response())
+    const coordinator = createCoordinator({
+      storage: unavailableStorage,
+      fallback: testFallback,
+      createKey: () => 'must-not-be-used',
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toBeInstanceOf(
+      WalletIdempotencyPersistenceUnavailableError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(testFallback.size).toBe(0)
+  })
+
+  it('fails closed when secure UUID generation is unavailable', async () => {
+    const storage = createStorage()
+    const send = vi.fn(async () => response())
+    const coordinator = createCoordinator({
+      storage,
+      fallback: testFallback,
+      createKey: () => { throw new WalletIdempotencyUnavailableError() },
+    })
+
+    await expect(coordinator.execute(walletRequest, send)).rejects.toBeInstanceOf(
+      WalletIdempotencyUnavailableError,
+    )
+    expect(send).not.toHaveBeenCalled()
+    expect(storage.getItem(defaultStorageKey)).toBeNull()
+  })
+})

frontend/src/features/users/utils/userBatchWalletIdempotency.ts

@@ -0,0 +1,302 @@
+import type {
+  UserBatchActionResponse,
+  UserBatchBalanceActionRequest,
+} from '@/api/users'
+
+export type UserBatchWalletAdjustmentRequest = Omit<
+  UserBatchBalanceActionRequest,
+  'idempotency_key'
+>
+
+export interface PendingUserBatchWalletRequest {
+  idempotency_key: string
+  request: UserBatchBalanceActionRequest
+}
+
+interface StringStorage {
+  getItem(key: string): string | null
+  setItem(key: string, value: string): void
+  removeItem(key: string): void
+}
+
+interface CoordinatorOptions {
+  storage?: StringStorage | null
+  createKey?: () => string
+  fallback?: Map<string, string>
+  lockManager?: Pick<LockManager, 'request'> | null
+  scope?: () => string | null
+}
+
+const STORAGE_KEY = 'admin.users.batch.wallet-adjustment.pending.v1'
+const inMemoryFallback = new Map<string, string>()
+
+export class UnresolvedWalletRequestMismatchError extends Error {
+  constructor(readonly pending: PendingUserBatchWalletRequest) {
+    super('A different wallet batch request is still unresolved')
+    this.name = 'UnresolvedWalletRequestMismatchError'
+  }
+}
+
+export class WalletIdempotencyUnavailableError extends Error {
+  constructor() {
+    super('crypto.randomUUID is unavailable')
+    this.name = 'WalletIdempotencyUnavailableError'
+  }
+}
+
+export class WalletIdempotencyPersistenceUnavailableError extends Error {
+  constructor() {
+    super('Persistent browser storage is unavailable')
+    this.name = 'WalletIdempotencyPersistenceUnavailableError'
+  }
+}
+
+export class WalletIdempotencyCoordinationUnavailableError extends Error {
+  constructor() {
+    super('Cross-tab wallet request coordination is unavailable')
+    this.name = 'WalletIdempotencyCoordinationUnavailableError'
+  }
+}
+
+export class WalletIdempotencyRequestInProgressError extends Error {
+  constructor() {
+    super('A wallet batch request is already in progress in another tab')
+    this.name = 'WalletIdempotencyRequestInProgressError'
+  }
+}
+
+export class WalletIdempotencyScopeUnavailableError extends Error {
+  constructor() {
+    super('The authenticated administrator identity is unavailable')
+    this.name = 'WalletIdempotencyScopeUnavailableError'
+  }
+}
+
+export class WalletIdempotencyScopeChangedError extends Error {
+  constructor() {
+    super('The authenticated administrator changed before the request was sent')
+    this.name = 'WalletIdempotencyScopeChangedError'
+  }
+}
+
+export class InvalidPendingWalletRequestError extends Error {
+  constructor() {
+    super('The stored wallet batch request is invalid')
+    this.name = 'InvalidPendingWalletRequestError'
+  }
+}
+
+function browserPersistentStorage(): StringStorage | null {
+  try {
+    return globalThis.localStorage ?? null
+  } catch {
+    return null
+  }
+}
+
+function browserLockManager(): Pick<LockManager, 'request'> | null {
+  try {
+    return globalThis.navigator?.locks ?? null
+  } catch {
+    return null
+  }
+}
+
+function secureRandomUUID(): string {
+  try {
+    const cryptoApi = globalThis.crypto
+    if (typeof cryptoApi?.randomUUID === 'function') {
+      return cryptoApi.randomUUID()
+    }
+  } catch {
+    // Treat unavailable secure randomness as a hard failure.
+  }
+  throw new WalletIdempotencyUnavailableError()
+}
+
+function isPendingRequest(value: unknown): value is PendingUserBatchWalletRequest {
+  if (typeof value !== 'object' || value === null) return false
+  const record = value as Partial<PendingUserBatchWalletRequest>
+  const request = record.request
+  return typeof record.idempotency_key === 'string'
+    && record.idempotency_key.length > 0
+    && typeof request === 'object'
+    && request !== null
+    && request.action === 'adjust_wallet_balance'
+    && request.idempotency_key === record.idempotency_key
+    && typeof request.selection === 'object'
+    && request.selection !== null
+    && typeof request.payload === 'object'
+    && request.payload !== null
+    && (request.payload.operation === 'add' || request.payload.operation === 'deduct')
+    && Number.isFinite(request.payload.amount)
+    && request.payload.amount > 0
+}
+
+function parsePendingRequest(serialized: string): PendingUserBatchWalletRequest {
+  try {
+    const value: unknown = JSON.parse(serialized)
+    if (isPendingRequest(value)) return value
+  } catch {
+    // Invalid persisted state must not allow a fresh adjustment to be sent.
+  }
+  throw new InvalidPendingWalletRequestError()
+}
+
+function stableSerialize(value: unknown): string {
+  if (Array.isArray(value)) {
+    return `[${value.map((item) => item === undefined ? 'null' : stableSerialize(item)).join(',')}]`
+  }
+  if (typeof value === 'object' && value !== null) {
+    const fields = Object.entries(value as Record<string, unknown>)
+      .filter(([, item]) => item !== undefined)
+      .sort(([left], [right]) => (left < right ? -1 : left > right ? 1 : 0))
+    return `{${fields.map(([key, item]) => `${JSON.stringify(key)}:${stableSerialize(item)}`).join(',')}}`
+  }
+  return JSON.stringify(value) ?? 'null'
+}
+
+export function matchesPendingWalletRequest(
+  pending: PendingUserBatchWalletRequest,
+  request: UserBatchWalletAdjustmentRequest,
+): boolean {
+  const { idempotency_key: _key, ...pendingPayload } = pending.request
+  return stableSerialize(pendingPayload) === stableSerialize(request)
+}
+
+export function createUserBatchWalletRetryCoordinator(options: CoordinatorOptions = {}) {
+  const storage = 'storage' in options ? options.storage ?? null : browserPersistentStorage()
+  const fallback = options.fallback ?? inMemoryFallback
+  const createKey = options.createKey ?? secureRandomUUID
+  const lockManager = 'lockManager' in options
+    ? options.lockManager ?? null
+    : browserLockManager()
+  const getScope = options.scope ?? (() => 'default')
+
+  function getStorageKey(): string {
+    const scope = getScope()
+    if (!scope) throw new WalletIdempotencyScopeUnavailableError()
+    return `${STORAGE_KEY}:${encodeURIComponent(scope)}`
+  }
+
+  function readPending(storageKey: string): PendingUserBatchWalletRequest | null {
+    let serialized: string | null = null
+    let storageReadFailed = false
+    try {
+      serialized = storage?.getItem(storageKey) ?? null
+    } catch {
+      storageReadFailed = true
+      serialized = null
+    }
+    serialized ??= fallback.get(storageKey) ?? null
+    if (serialized === null && (!storage || storageReadFailed)) {
+      throw new WalletIdempotencyPersistenceUnavailableError()
+    }
+    return serialized === null ? null : parsePendingRequest(serialized)
+  }
+
+  function persist(storageKey: string, pending: PendingUserBatchWalletRequest): void {
+    const serialized = JSON.stringify(pending)
+    if (!storage) throw new WalletIdempotencyPersistenceUnavailableError()
+    try {
+      storage.setItem(storageKey, serialized)
+      if (storage.getItem(storageKey) !== serialized) {
+        throw new Error('Stored wallet batch request could not be verified')
+      }
+    } catch {
+      throw new WalletIdempotencyPersistenceUnavailableError()
+    }
+    fallback.set(storageKey, serialized)
+  }
+
+  function clear(storageKey: string): void {
+    fallback.delete(storageKey)
+    try {
+      storage?.removeItem(storageKey)
+    } catch {
+      // A stale persisted request is safe to replay and will fail closed on mismatch.
+    }
+  }
+
+  async function withExclusiveLock<T>(storageKey: string, task: () => Promise<T>): Promise<T> {
+    if (!lockManager) throw new WalletIdempotencyCoordinationUnavailableError()
+
+    let taskStarted = false
+    try {
+      return await lockManager.request(
+        storageKey,
+        { mode: 'exclusive', ifAvailable: true },
+        async (lock) => {
+          if (lock === null) throw new WalletIdempotencyRequestInProgressError()
+          taskStarted = true
+          return task()
+        },
+      )
+    } catch (error) {
+      if (taskStarted || error instanceof WalletIdempotencyRequestInProgressError) throw error
+      throw new WalletIdempotencyCoordinationUnavailableError()
+    }
+  }
+
+  function getOrCreate(
+    storageKey: string,
+    request: UserBatchWalletAdjustmentRequest,
+  ): UserBatchBalanceActionRequest {
+    const pending = readPending(storageKey)
+    if (pending) {
+      if (!matchesPendingWalletRequest(pending, request)) {
+        throw new UnresolvedWalletRequestMismatchError(pending)
+      }
+      persist(storageKey, pending)
+      return pending.request
+    }
+
+    const idempotencyKey = createKey()
+    if (!idempotencyKey) throw new WalletIdempotencyUnavailableError()
+    const keyedRequest: UserBatchBalanceActionRequest = {
+      ...request,
+      idempotency_key: idempotencyKey,
+    }
+    persist(storageKey, { idempotency_key: idempotencyKey, request: keyedRequest })
+    return keyedRequest
+  }
+
+  async function sendAndResolve(
+    request: UserBatchBalanceActionRequest,
+    send: (request: UserBatchBalanceActionRequest) => Promise<UserBatchActionResponse>,
+    storageKey: string,
+  ): Promise<UserBatchActionResponse> {
+    const response = await send(request)
+    if (!response.interrupted) clear(storageKey)
+    return response
+  }
+
+  return {
+    getPending() {
+      return readPending(getStorageKey())
+    },
+    async execute(
+      request: UserBatchWalletAdjustmentRequest,
+      send: (request: UserBatchBalanceActionRequest) => Promise<UserBatchActionResponse>,
+    ) {
+      const storageKey = getStorageKey()
+      return withExclusiveLock(storageKey, async () => {
+        const keyedRequest = getOrCreate(storageKey, request)
+        if (getStorageKey() !== storageKey) throw new WalletIdempotencyScopeChangedError()
+        return sendAndResolve(keyedRequest, send, storageKey)
+      })
+    },
+    async retry(
+      send: (request: UserBatchBalanceActionRequest) => Promise<UserBatchActionResponse>,
+    ): Promise<UserBatchActionResponse | null> {
+      const storageKey = getStorageKey()
+      return withExclusiveLock(storageKey, async () => {
+        const pending = readPending(storageKey)
+        if (!pending) return null
+        persist(storageKey, pending)
+        if (getStorageKey() !== storageKey) throw new WalletIdempotencyScopeChangedError()
+        return sendAndResolve(pending.request, send, storageKey)
+      })
+    },
+  }
+}

frontend/src/i18n/legacy-admin-messages.ts

@@ -613,6 +613,8 @@ export const legacyAdminEnglishMessages: Record<string, string> = {
   '系统调账': 'System adjustment',
   '退款扣减': 'Refund debit',
   '退款回补': 'Refund recredit',
+  '另一个标签页正在处理钱包批量调整，请稍后刷新状态再试。此次未发送新请求。': 'Another tab is processing a wallet batch adjustment. Refresh the status and try again later. No new request was sent from this tab.',
+  '当前浏览器无法保护跨标签页的钱包批量请求，请使用支持此功能的浏览器。请求未发送。': 'This browser cannot protect wallet batch requests across tabs. Use a browser that supports this feature. The request was not sent.',
   '兑换码批次已创建': 'Redemption code batch created',
   'CSV 已导出': 'CSV exported',
   '批次已停用': 'Batch disabled',

frontend/src/i18n/messages.ts

@@ -1453,6 +1453,27 @@ const legacyExactEnglishMessages: Record<string, string> = {
   '暂无选项': 'No options',
   '用户批量操作': 'User batch actions',
   '按当前选择批量调整用户状态、角色和额度': 'Batch update user status, role, and quota for the current selection',
+  '按当前选择批量调整用户状态、角色、额度和钱包余额': 'Batch update user status, role, quota, and wallet balances for the current selection',
+  '调整余额': 'Adjust balance',
+  '批量增加或扣减钱包余额': 'Add or deduct wallet balances in bulk',
+  '调整金额 (USD)': 'Adjustment amount (USD)',
+  '余额调整方式': 'Balance adjustment mode',
+  '增加': 'Add',
+  '扣减': 'Deduct',
+  '请输入大于 0 的有限金额': 'Enter a finite amount greater than 0',
+  '扣减超过单个用户可用余额时，该用户余额将归零。': 'Deductions above an individual user’s available balance will be clamped to zero.',
+  '用户钱包不可用': 'User wallet is unavailable',
+  '当前为只读模式，无法批量调整用户钱包余额': 'Cannot adjust user wallet balances in read-only mode',
+  '余额调整结果未确认，批次已中止，请核对钱包后再重试': 'Balance adjustment result is uncertain; the batch stopped. Verify the wallet before retrying.',
+  '用户钱包更新结果未确认，批次已中止，请核对钱包后再重试': 'User wallet update result is uncertain; the batch stopped. Verify the wallet before retrying.',
+  '用户更新结果未确认，批次已中止，请核对后再重试': 'User update result is uncertain; the batch stopped. Verify the result before retrying.',
+  '读取用户状态失败，批次已中止，该用户未执行': 'Could not read user state; the batch stopped before processing this user.',
+  '因前序错误未执行': 'Not processed because an earlier operation failed',
+  '请核对余额后再重试，勿直接重试整批': 'Verify balances before retrying; do not retry the entire batch blindly.',
+  '查看批次中断详情': 'View interrupted batch details',
+  '已完成用户 ID': 'Completed user IDs',
+  '结果待核对用户 ID': 'User IDs with uncertain results',
+  '尚未执行用户 ID': 'Unprocessed user IDs',
   '影响用户：': 'Affected users:',
   '目标为当前筛选条件匹配的全部用户，执行前后端会重新解析。': 'Targets all users matching the current filters; the backend will resolve the selection again before execution.',
   '目标为当前已勾选的用户，重复 ID 会自动去重。': 'Targets the currently selected users; duplicate IDs are deduplicated automatically.',
@@ -3052,6 +3073,7 @@ const legacyDynamicPatterns: Array<[RegExp, (match: RegExpMatchArray) => string]
   [/^确认(启用|禁用|删除|重置)（(.+)）$/u, match => `Confirm ${translateLegacyText(match[1], 'en-US').toLowerCase()} (${match[2]})`],
   [/^成功 (.+) 个，失败 (.+) 个$/u, match => `Succeeded ${match[1]}, failed ${match[2]}`],
   [/^批量操作完成：成功 (.+) 个，失败 (.+) 个$/u, match => `Batch action complete: succeeded ${match[1]}, failed ${match[2]}`],
+  [/^批量操作中断：成功 (.+) 个，结果待确认 (.+) 个，尚未执行 (.+) 个$/u, match => `Batch interrupted: succeeded ${match[1]}, uncertain ${match[2]}, not processed ${match[3]}`],
   [/^匹配 (.+) 个，当前页 (.+) 个，已选 (.+) 个$/u, match => `Matched ${match[1]} items, current page ${match[2]} items, selected ${match[3]} items`],
   [/^已选 (.+) 个$/u, match => `Selected ${match[1]} items`],
   [/^已强制下线 (.+) 个设备$/u, match => `Signed out ${match[1]} devices`],