feat(GOV-009): 建立 NestJS 三进程基线

server/apps/api/src/api.module.ts

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+import { Module } from '@nestjs/common';
+
+@Module({})
+export class ApiModule {}

server/apps/api/src/main.ts

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+import 'reflect-metadata';
+
+import { type INestApplication, type NestApplicationOptions } from '@nestjs/common';
+import { NestFactory } from '@nestjs/core';
+
+import { loadApiProcessConfig } from '../../../libs/config/src/load-process-env';
+import {
+  toSafeRuntimeSummary,
+  type ApiRuntimeConfig,
+} from '../../../libs/config/src/runtime-config';
+import { ApiModule } from './api.module';
+
+interface BootstrapApiOptions {
+  config: ApiRuntimeConfig;
+  port?: number;
+  logger?: NestApplicationOptions['logger'];
+}
+
+export async function bootstrapApi(options: BootstrapApiOptions): Promise<INestApplication> {
+  const app = await NestFactory.create(ApiModule, { logger: options.logger });
+  app.enableShutdownHooks();
+  await app.listen(options.port ?? options.config.api.port, options.config.api.host);
+  return app;
+}
+
+async function runApi(): Promise<void> {
+  const config = loadApiProcessConfig();
+  console.info('API 进程启动配置', toSafeRuntimeSummary(config));
+  await bootstrapApi({ config });
+}
+
+if (require.main === module) {
+  void runApi();
+}

server/apps/api/tsconfig.app.json

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+{
+  "extends": "../../tsconfig.build.json",
+  "compilerOptions": {
+    "outDir": "../../dist/apps/api"
+  },
+  "include": ["src/**/*.ts", "../../libs/**/*.ts"]
+}