fix finance balance delta recharges

frontend/src/api/index.ts

@@ -68,6 +68,8 @@ export const authApi = {
 }
 
 // ——— Upstreams ———
+export type FinanceCostMode = 'usage_stats' | 'balance_delta'
+
 export interface UpstreamData {
   id: number
   name: string
@@ -89,6 +91,7 @@ export interface UpstreamData {
   balance_response_path: string
   balance_divisor: number
   balance_alert_threshold: number | null
+  finance_cost_mode: FinanceCostMode
   created_at: string
   updated_at: string
 }
@@ -108,6 +111,7 @@ export interface UpstreamForm {
   balance_response_path: string
   balance_divisor: number
   balance_alert_threshold: number | null
+  finance_cost_mode: FinanceCostMode
 }
 
 export interface GeneratedUpstreamKey {
@@ -128,6 +132,16 @@ export interface GeneratedUpstreamKey {
   has_key_value: boolean
 }
 
+export interface UpstreamRecharge {
+  id: number
+  upstream_id: number
+  date: string
+  amount: number
+  note: string
+  created_at: string
+  updated_at: string
+}
+
 export interface GenerateKeysByGroupsForm {
   group_ids: string[]
   name_prefix: string
@@ -169,6 +183,14 @@ export const upstreamsApi = {
   test: (id: number) => api.post<{ success: boolean; message: string; detail?: string }>(`/api/upstreams/${id}/test`),
   checkNow: (id: number) => api.post<{ success: boolean; message: string }>(`/api/upstreams/${id}/check-now`),
   generatedKeys: (id: number) => api.get<GeneratedUpstreamKey[]>(`/api/upstreams/${id}/generated-keys`),
+  listRecharges: (id: number, date?: string) =>
+    api.get<UpstreamRecharge[]>(`/api/upstreams/${id}/recharges`, { params: date ? { date } : undefined }),
+  createRecharge: (id: number, data: { date: string; amount: number; note?: string }) =>
+    api.post<UpstreamRecharge>(`/api/upstreams/${id}/recharges`, data),
+  updateRecharge: (id: number, rechargeId: number, data: { date?: string; amount?: number; note?: string }) =>
+    api.put<UpstreamRecharge>(`/api/upstreams/${id}/recharges/${rechargeId}`, data),
+  deleteRecharge: (id: number, rechargeId: number) =>
+    api.delete(`/api/upstreams/${id}/recharges/${rechargeId}`),
   generateKeysByGroups: (id: number, data: GenerateKeysByGroupsForm) =>
     api.post<{ success: boolean; message: string; items: GeneratedUpstreamKey[] }>(`/api/upstreams/${id}/keys/generate-by-groups`, data),
   latestSnapshot: (id: number) => api.get(`/api/upstreams/${id}/snapshots/latest`),