refactor(redis): 移除心跳日志长度限制和相关配置

移除Redis集成中对心跳日志和console日志的长度限制功能，包括：
1. 删除heartbeatTtlSeconds和consoleMaxLen配置项
2. 移除相关trim操作和测试用例
3. 简化RedisIntegration类中相关方法

同时为heartbeat_events表添加write_ts_ms字段记录写入时间

src/db/databaseManager.js

@@ -84,6 +84,7 @@ class DatabaseManager {
           guid         varchar(32) NOT NULL DEFAULT replace(gen_random_uuid()::text, '-', ''),
 
           ts_ms        bigint      NOT NULL,
+          write_ts_ms  bigint      DEFAULT (EXTRACT(EPOCH FROM clock_timestamp()) * 1000)::bigint,
           hotel_id     int2        NOT NULL,
           room_id      varchar(50) NOT NULL,
           device_id    varchar(64) NOT NULL,
@@ -130,6 +131,9 @@ class DatabaseManager {
         )
         PARTITION BY RANGE (ts_ms);
 
+        ALTER TABLE heartbeat.heartbeat_events ADD COLUMN IF NOT EXISTS write_ts_ms bigint;
+        ALTER TABLE heartbeat.heartbeat_events ALTER COLUMN write_ts_ms SET DEFAULT (EXTRACT(EPOCH FROM clock_timestamp()) * 1000)::bigint;
+
         ALTER TABLE heartbeat.heartbeat_events ADD COLUMN IF NOT EXISTS elec_address text[];
         ALTER TABLE heartbeat.heartbeat_events ADD COLUMN IF NOT EXISTS air_address text[];
         ALTER TABLE heartbeat.heartbeat_events ADD COLUMN IF NOT EXISTS voltage double precision[];
@@ -396,6 +400,7 @@ class DatabaseManager {
 
     const columns = [
       'ts_ms',
+      'write_ts_ms',
       'hotel_id',
       'room_id',
       'device_id',
@@ -427,6 +432,7 @@ class DatabaseManager {
 
     const toRowValues = (e) => [
       e.ts_ms,
+      e.write_ts_ms ?? Date.now(),
       e.hotel_id,
       e.room_id,
       e.device_id,