Merge pull request #1 from swiftraccoon/chore/test-infrastructure-refactor-phase1

Enhance transcription filtering, and improve API query handling

fix(web): resolve dashboard "Loading transcriptions..." by adding api_host config

test(phase3): add performance assertions and concurrent access tests

test(phase2): add config property tests and database negative tests

test(phase2): add property-based tests and negative test suite

fix(tests): replace weak assertions and remove manual table creation

Update .gitignore, enhance benchmarks, and improve API error handling

Update WebSocket handling and enhance dashboard UI

Enhance API and UI with call details and theme support

Add web server configuration and dependencies

Remove submodules for sdrtrunk and related projects

Update configuration example for transcription service

Update temperature configuration handling in transcription service

Refactor benchmark tests and improve error handling