refactor: 移除运行时数据库初始化与分区维护

- 删除了服务启动阶段的数据库初始化逻辑，包括创建数据库、表和分区的相关代码。
- 移除了定时分区维护任务，确保服务职责更清晰。
- 更新了数据库分区策略，明确分区由外部脚本管理，服务不再自动创建缺失分区。
- 修改了相关文档，确保数据库结构与分区维护的责任转移到 `SQL_Script/` 目录下的外部脚本。
- 更新了需求和场景，确保符合新的设计规范。

bls-onoffline-backend/src/index.js

@@ -1,8 +1,6 @@
 import cron from 'node-cron';
 import { config } from './config/config.js';
 import dbManager from './db/databaseManager.js';
-import dbInitializer from './db/initializer.js';
-import partitionManager from './db/partitionManager.js';
 import { createKafkaConsumers } from './kafka/consumer.js';
 import { parseMessageToRows } from './processor/index.js';
 import { createRedisClient } from './redis/redisClient.js';
@@ -33,38 +31,12 @@ const bootstrap = async () => {
     }
   });
 
-  // 0. Initialize Database (Create DB, Schema, Table, Partitions)
-  await dbInitializer.initialize();
-
   // Metric Collector
   const metricCollector = new MetricCollector();
 
-  // 1. Setup Partition Maintenance Cron Job (Every day at 00:00)
-  cron.schedule('0 0 * * *', async () => {
-    logger.info('Running scheduled partition maintenance...');
-    try {
-      await partitionManager.ensurePartitions(30);
-    } catch (err) {
-      logger.error('Scheduled partition maintenance failed', err);
-    }
-  });
-
   // 1.1 Setup Metric Reporting Cron Job (Every minute)
   // Moved after redisIntegration initialization
 
-
-  // DatabaseManager is now a singleton exported instance, but let's keep consistency if possible
-  // In databaseManager.js it exports `dbManager` instance by default.
-  // The original code was `const dbManager = new DatabaseManager(config.db);` which implies it might have been a class export.
-  // Let's check `databaseManager.js` content. 
-  // Wait, I imported `dbManager` from `./db/databaseManager.js`.
-  // If `databaseManager.js` exports an instance as default, I should use that.
-  // If it exports a class, I should instantiate it.
-  
-  // Let's assume the previous code `new DatabaseManager` was correct if it was a class.
-  // BUT I used `dbManager.pool` in `partitionManager.js` assuming it's an instance.
-  // I need to verify `databaseManager.js`.
-
   const redisClient = await createRedisClient(config.redis);
   const redisIntegration = new RedisIntegration(
     redisClient,
@@ -199,13 +171,8 @@ const bootstrap = async () => {
     );
   };
 
-  const isMissingPartitionError = (err) =>
-    err?.code === '23514' ||
-    (typeof err?.message === 'string' && err.message.includes('no partition of relation'));
-
   const insertRowsWithRetry = async (rows) => {
     const startedAt = Date.now();
-    let attemptedPartitionFix = false;
     while (true) {
       try {
         await dbManager.insertRows({ schema: config.db.schema, table: config.db.table, rows });
@@ -222,24 +189,6 @@ const bootstrap = async () => {
           }
           continue;
         }
-        if (isMissingPartitionError(err) && !attemptedPartitionFix) {
-          attemptedPartitionFix = true;
-          try {
-            await partitionManager.ensurePartitionsForTimestamps(rows.map(r => r.ts_ms));
-          } catch (partitionErr) {
-            if (isDbConnectionError(partitionErr)) {
-              logger.error('Database offline during partition ensure. Retrying in 5s...', { error: partitionErr.message });
-              await new Promise(r => setTimeout(r, 5000));
-              while (!(await dbManager.checkConnection())) {
-                logger.warn('Database still offline. Waiting 5s...');
-                await new Promise(r => setTimeout(r, 5000));
-              }
-              continue;
-            }
-            throw partitionErr;
-          }
-          continue;
-        }
         throw err;
       }
     }