Add full dream view with choice blockquotes and txt download

Add dust texture and atmospheric depth to UI

Apply eerie liminal UI theme via custom CSS

Restore audio input, always-visible Start over button

Restore audio input, always-visible Start over button

Add voice input via Whisper + numpy audio path

Upgrade to Gradio 5.x for HF Spaces compatibility

Bind Gradio to 0.0.0.0 for HF Spaces

Initial Oneironauts MVP: text input, branching at depth 4, closing scene + journal interpretation