feat: 规则审计-策略新增/编辑-后端接口 --story=121513458

[0RAJA]

【修复】

1. dataflow 画布位置调整
2. 获取策略标签异常
3. 更新数据源节点异常

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 62.94%. Comparing base (7afc132) to head (fe9d8f5).
Report is 15 commits behind head on feat_rule_audit.

Files with missing lines	Patch %	Lines
...ackend/services/web/analyze/controls/rule_audit.py	0.00%	3 Missing ⚠️
src/backend/services/web/strategy_v2/resources.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##           feat_rule_audit     #522      +/-   ##
===================================================
- Coverage            63.14%   62.94%   -0.21%     
===================================================
  Files                  531      534       +3     
  Lines                17907    18013     +106     
===================================================
+ Hits                 11308    11338      +30     
- Misses                6599     6675      +76     

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