Add Explorer UI

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 6.40000% with 117 lines in your changes missing coverage. Please review.

Project coverage is 60.47%. Comparing base (cf8a96e) to head (cc3738e). Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
lumen/ai/app.py	5.64%	117 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #746 +/- ## ========================================== - Coverage 61.15% 60.47% -0.69% ========================================== Files 101 101 Lines 12420 12538 +118 ========================================== - Hits 7596 7582 -14 - Misses 4824 4956 +132 ```

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