fix: read ThemerrDB deployment timestamp from published metadata

[ReenigneArcher]

Description

Fixes accuracy of ThemerrDB last deployed time.

Screenshot

Issues Fixed or Closed

Roadmap Issues

Type of Change

• feat: New feature (non-breaking change which adds functionality)
• fix: Bug fix (non-breaking change which fixes an issue)
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.)
• refactor: Code change that neither fixes a bug nor adds a feature
• perf: Code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit
• BREAKING CHANGE: Introduces a breaking change (can be combined with any type above)

Checklist

• Code follows the style guidelines of this project
• Code has been self-reviewed
• Code has been commented, particularly in hard-to-understand areas
• Code docstring/documentation-blocks for new or existing methods/components have been added or updated
• Unit tests have been added or updated for any new or modified functionality

AI Usage

See our AI usage policy.

• None: No AI tools were used in creating this PR
• Light: AI provided minor assistance (formatting, simple suggestions)
• Moderate: AI helped with code generation or debugging specific parts
• Heavy: AI generated most or all of the code changes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.43%. Comparing base (57c8707) to head (064ec41).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #615      +/-   ##
==========================================
- Coverage   88.44%   88.43%   -0.02%     
==========================================
  Files          71       71              
  Lines        5677     5672       -5     
  Branches      811      810       -1     
==========================================
- Hits         5021     5016       -5     
  Misses        457      457              
  Partials      199      199              

Flag	Coverage Δ
Linux-aarch64	88.12% <100.00%> (-0.02%)	⬇️
Linux-x86_64	88.12% <100.00%> (-0.02%)	⬇️
Windows-AMD64	?
Windows-ARM64	88.21% <100.00%> (-0.02%)	⬇️
jellyfin-connector	90.24% <ø> (ø)
macOS-arm64	88.12% <100.00%> (-0.02%)	⬇️
macOS-x86_64	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/common/server_ui.py	96.00% <100.00%> (ø)
src/themerr/deployment_status.py	96.49% <100.00%> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud