feat: support admin actions through HTTP interface

[davidsteiner]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 89.09657% with 35 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.06%. Comparing base (cdcdb57) to head (a4942bf).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/hotfix-web/src/lib.rs	90.17%	17 Missing ⚠️
crates/hotfix-web/src/session_controller.rs	0.00%	11 Missing ⚠️
crates/hotfix/src/initiator.rs	0.00%	4 Missing ⚠️
crates/hotfix-web-ui/src/error.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #244      +/-   ##
==========================================
+ Coverage   86.03%   86.06%   +0.03%     
==========================================
  Files          76       82       +6     
  Lines        6981     7177     +196     
==========================================
+ Hits         6006     6177     +171     
- Misses        975     1000      +25     

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