feat: Implement withdrawal reports query and service integration

src/CMSMicroservice.Protobuf/Protos/commission.proto

@@ -105,6 +105,13 @@ service CommissionContract
             get: "/Commission/GetWorkerLogs"
         };
     };
+
+    // Financial Reports
+    rpc GetWithdrawalReports(GetWithdrawalReportsRequest) returns (GetWithdrawalReportsResponse){
+        option (google.api.http) = {
+            get: "/Commission/GetWithdrawalReports"
+        };
+    };
 }
 
 // ============ Commands ============
@@ -388,6 +395,50 @@ message WorkerExecutionLogModel
     google.protobuf.StringValue details = 10; // JSON or text details
 }
 
+// GetWithdrawalReports Query
+message GetWithdrawalReportsRequest
+{
+    google.protobuf.Timestamp start_date = 1; // Optional - default: 30 days ago
+    google.protobuf.Timestamp end_date = 2;   // Optional - default: today
+    int32 period_type = 3; // ReportPeriodType: Daily=1, Weekly=2, Monthly=3
+    google.protobuf.Int32Value status = 4; // CommissionPayoutStatus enum (optional)
+    google.protobuf.Int64Value user_id = 5; // Optional user filter
+}
+
+message GetWithdrawalReportsResponse
+{
+    repeated PeriodReport period_reports = 1;
+    WithdrawalSummary summary = 2;
+}
+
+message PeriodReport
+{
+    string period_label = 1; // e.g., "2025-01-15", "هفته 3", "فروردین 1404"
+    google.protobuf.Timestamp start_date = 2;
+    google.protobuf.Timestamp end_date = 3;
+    int32 total_requests = 4;
+    int32 pending_count = 5;
+    int32 approved_count = 6;
+    int32 rejected_count = 7;
+    int32 completed_count = 8;
+    int32 failed_count = 9;
+    int64 total_amount = 10;
+    int64 paid_amount = 11;
+    int64 pending_amount = 12;
+}
+
+message WithdrawalSummary
+{
+    int32 total_requests = 1;
+    int64 total_amount = 2;
+    int64 total_paid = 3;
+    int64 total_pending = 4;
+    int64 total_rejected = 5;
+    int64 average_amount = 6;
+    int32 unique_users = 7;
+    float success_rate = 8; // Percentage (0-100)
+}
+
 message WithdrawalRequestModel
 {
     int64 id = 1;