feat(mining-wallet): add UserWalletCreated/Updated events for CDC sync

- Publish UserWalletCreated when a new wallet is created
- Publish UserWalletUpdated when wallet balance changes
- Events sent to cdc.mining-wallet.outbox topic for mining-admin-service

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

backend/services/mining-wallet-service/src/application/services/contribution-wallet.service.ts

@@ -51,6 +51,7 @@ export class ContributionWalletService {
         },
       });
 
+      const isNewWallet = !wallet;
       if (!wallet) {
         wallet = await tx.userWallet.create({
           data: {
@@ -60,13 +61,34 @@ export class ContributionWalletService {
             frozenBalance: new Decimal(0),
           },
         });
+
+        // 发布 UserWalletCreated 事件
+        await tx.outboxEvent.create({
+          data: {
+            aggregateType: 'UserWallet',
+            aggregateId: wallet.id,
+            eventType: 'UserWalletCreated',
+            topic: 'cdc.mining-wallet.outbox',
+            key: input.accountSequence,
+            payload: {
+              id: wallet.id,
+              accountSequence: wallet.accountSequence,
+              walletType: wallet.walletType,
+              balance: '0',
+              frozenBalance: '0',
+              totalInflow: 0,
+              totalOutflow: 0,
+              isActive: true,
+            },
+          },
+        });
       }
 
       const balanceBefore = new Decimal(wallet.balance.toString());
       const balanceAfter = balanceBefore.plus(input.amount);
 
       // 2. 更新钱包余额
-      await tx.userWallet.update({
+      const updatedWallet = await tx.userWallet.update({
         where: { id: wallet.id },
         data: {
           balance: balanceAfter,
@@ -74,6 +96,27 @@ export class ContributionWalletService {
         },
       });
 
+      // 发布 UserWalletUpdated 事件（用于 mining-admin-service 同步）
+      await tx.outboxEvent.create({
+        data: {
+          aggregateType: 'UserWallet',
+          aggregateId: wallet.id,
+          eventType: 'UserWalletUpdated',
+          topic: 'cdc.mining-wallet.outbox',
+          key: input.accountSequence,
+          payload: {
+            id: wallet.id,
+            accountSequence: wallet.accountSequence,
+            walletType: wallet.walletType,
+            balance: balanceAfter.toString(),
+            frozenBalance: updatedWallet.frozenBalance.toString(),
+            totalInflow: updatedWallet.totalInflow.toString(),
+            totalOutflow: updatedWallet.totalOutflow.toString(),
+            isActive: true,
+          },
+        },
+      });
+
       // 3. 创建交易记录（分类账）
       const transaction = await tx.userWalletTransaction.create({
         data: {
@@ -247,7 +290,7 @@ export class ContributionWalletService {
       }
 
       // 更新钱包余额
-      await tx.userWallet.update({
+      const updatedWallet = await tx.userWallet.update({
         where: { id: wallet.id },
         data: {
           balance: balanceAfter,
@@ -255,6 +298,27 @@ export class ContributionWalletService {
         },
       });
 
+      // 发布 UserWalletUpdated 事件（用于 mining-admin-service 同步）
+      await tx.outboxEvent.create({
+        data: {
+          aggregateType: 'UserWallet',
+          aggregateId: wallet.id,
+          eventType: 'UserWalletUpdated',
+          topic: 'cdc.mining-wallet.outbox',
+          key: accountSequence,
+          payload: {
+            id: wallet.id,
+            accountSequence: wallet.accountSequence,
+            walletType: wallet.walletType,
+            balance: balanceAfter.toString(),
+            frozenBalance: updatedWallet.frozenBalance.toString(),
+            totalInflow: updatedWallet.totalInflow.toString(),
+            totalOutflow: updatedWallet.totalOutflow.toString(),
+            isActive: true,
+          },
+        },
+      });
+
       // 创建过期交易记录
       await tx.userWalletTransaction.create({
         data: {