deploy_ctrl: add HandleManualMode()

[haorenfsa]

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[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 10 lines in your changes missing coverage. Please review.

Project coverage is 81.84%. Comparing base (de93c17) to head (5fc4098).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controllers/deploy_ctrl.go	28.57%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #189      +/-   ##
==========================================
- Coverage   81.91%   81.84%   -0.07%     
==========================================
  Files          56       56              
  Lines        5187     5223      +36     
==========================================
+ Hits         4249     4275      +26     
- Misses        746      756      +10     
  Partials      192      192              

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