refactor: remove filter file path dependency and use wavelet refactor: migrate...
refactor: remove filter file path dependency and use wavelet refactor: migrate wavelet processing from filter files to registry
- Remove filter path arguments across ECG modules
- Use WaveletRegistry for - Replace file-based wavelet filter loading with WaveletRegistry lookups
- Add FWT::InitFWT(EcgFilterWaveletType) and remove filter file parsing logic
- Remove fltdir/FilterPath parameters from EcgAnnotation, EcgDenoise, and EcgFeatures APIs
- Replace filter filename selection with EcgFilterWaveletType enums
- Use ECG_FILTER_DB2 for denoising baseline removal
- Remove FILE* filter handling and filter path management code
- Simplify ECG processing pipeline by eliminating external filter file dependency
- Update unit tests and call sites to match new interfacesfilter selection
- Replace FWT file loading with direct coefficient binding
- Simplify denoise and QRS detection initialization