fix(mining): 为 HEADQUARTERS 账户添加每分钟挖矿记录

HEADQUARTERS 的挖矿收益来自待解锁算力，之前只更新了账户余额，
但没有写入 system_mining_records 表的每分钟汇总记录。

现在在两个分发路径中都为 HEADQUARTERS 调用 accumulateSystemMinuteData，
确保前端能正确显示总部账户的挖矿记录。

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/mining-service/src/application/services/mining-distribution.service.ts

@@ -193,6 +193,27 @@ export class MiningDistributionService {
           secondDistribution,
         );
       }
+
+      // 为 HEADQUARTERS 累积待解锁算力的挖矿数据
+      if (result.pendingRedisData.length > 0) {
+        const headquartersTotalReward = result.pendingRedisData.reduce(
+          (sum, data) => sum.add(data.reward),
+          new ShareAmount(0),
+        );
+        const headquartersTotalContribution = result.pendingRedisData.reduce(
+          (sum, data) => sum.add(new ShareAmount(data.pending.amount)),
+          new ShareAmount(0),
+        );
+        await this.accumulateSystemMinuteData(
+          SystemAccountType.HEADQUARTERS,
+          currentMinute,
+          headquartersTotalReward,
+          headquartersTotalContribution,
+          networkTotalContribution,
+          secondDistribution,
+        );
+      }
+
       for (const data of result.pendingRedisData) {
         await this.accumulatePendingMinuteData(
           data.pendingId,
@@ -435,6 +456,26 @@ export class MiningDistributionService {
       );
     }
 
+    // 为 HEADQUARTERS 累积待解锁算力的挖矿数据
+    if (pendingRewards.length > 0) {
+      const headquartersTotalReward = pendingRewards.reduce(
+        (sum, { reward }) => sum.add(reward),
+        new ShareAmount(0),
+      );
+      const headquartersTotalContribution = pendingRewards.reduce(
+        (sum, { pending }) => sum.add(new ShareAmount(pending.amount)),
+        new ShareAmount(0),
+      );
+      await this.accumulateSystemMinuteData(
+        SystemAccountType.HEADQUARTERS,
+        currentMinute,
+        headquartersTotalReward,
+        headquartersTotalContribution,
+        networkTotalContribution,
+        secondDistribution,
+      );
+    }
+
     for (const { pending, reward } of pendingRewards) {
       await this.accumulatePendingMinuteData(
         pending.id,