Add Qwen2.5-0.5B dialogue replies for recognized speech.

Add speech regeneration mode via espeak with timbre texture blend.

Add editable text fields and audio regeneration from edited reply.

Fix Gradio api_info bool schema crash on HF Space.

Fix HF Space config: use valid Gradio sdk_version 4.44.1.

Adapt IOAI for Hugging Face free CPU tier.