feat(deploy-mining): rebuild命令增加服务重启功能

rebuild命令现在会在构建完成后自动停止旧服务并启动新服务，
而不仅仅是编译镜像。

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

backend/services/contribution-service/src/api/controllers/contribution.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Get, Param, Query } from '@nestjs/common';
+import { Controller, Get, Param, Query, NotFoundException } from '@nestjs/common';
 import { ApiTags, ApiOperation, ApiResponse, ApiParam } from '@nestjs/swagger';
 import { GetContributionAccountQuery } from '../../application/queries/get-contribution-account.query';
 import { GetContributionStatsQuery } from '../../application/queries/get-contribution-stats.query';

backend/services/deploy-mining.sh

@@ -386,7 +386,19 @@ service_build() {
 service_rebuild() {
     local service="$1"
     local no_cache="$2"
+
+    # 1. Build the service
     service_build "$service" "$no_cache"
+
+    # 2. Stop the old service
+    log_info "Stopping old $service..."
+    service_stop "$service"
+
+    # 3. Start the new service
+    log_info "Starting new $service..."
+    service_start "$service"
+
+    log_success "$service rebuilt and restarted successfully"
 }
 
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