feat: rudimentary dashboard for session state

[davidsteiner]

Adds a simple UI for sequence numbers and session state.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 48 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.26%. Comparing base (3a4c008) to head (a592f8c).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/hotfix-status/src/ui/assets.rs	0.00%	12 Missing ⚠️
crates/hotfix-status/src/lib.rs	0.00%	11 Missing ⚠️
crates/hotfix-status/src/api.rs	0.00%	10 Missing ⚠️
crates/hotfix-status/src/ui/dashboard.rs	0.00%	5 Missing ⚠️
crates/hotfix-status/src/ui.rs	0.00%	4 Missing ⚠️
crates/hotfix-status/src/data_provider.rs	0.00%	2 Missing ⚠️
crates/hotfix-status/src/error.rs	0.00%	2 Missing ⚠️
crates/hotfix/src/initiator.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #175      +/-   ##
==========================================
- Coverage   67.38%   66.26%   -1.13%     
==========================================
  Files          63       70       +7     
  Lines        2821     2869      +48     
==========================================
  Hits         1901     1901              
- Misses        920      968      +48     

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