feat: 私有化部署 --story=119894675

[0RAJA]

1. 去除后台任务不补充通用字段
2. 系统初始化时主动创建或更新采集入库

(cherry picked from commit 2fbc6ab)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.

Project coverage is 63.13%. Comparing base (8cb4be3) to head (d30cbef).
Report is 16 commits behind head on main.

Files with missing lines	Patch %	Lines
src/backend/services/web/entry/init/base.py	33.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #455      +/-   ##
==========================================
+ Coverage   63.05%   63.13%   +0.07%     
==========================================
  Files         513      513              
  Lines       16395    16393       -2     
==========================================
+ Hits        10338    10349      +11     
+ Misses       6057     6044      -13     

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