Stability and preview calibration improvements

• - Improved real-time preview consistency for low-input microphones.
• - Added clearer style-control labels for rapid tuning.
• - Updated privacy copy and support diagnostics.

Initial public release

• - Released local, real-time voice anonymization pipeline.
• - Introduced preset styles with advanced manual controls.
• - Shipped preview and compare workflow for setup confidence.

Release candidate

• - Completed permission flow for storage and active context access.
• - Optimized processing path for lower latency during calls.
• - Refined extension UI for compact workflows.