V2.0.0

🌟 Highlights & New Features

🎙️ 1. Ultra-Low Latency ElevenLabs Turbo Voice Engine

• Upgraded to eleven_turbo_v2_5: Generates lifelike, gentle reassurance voice messages in under 300ms with higher concurrency limits and lower character overhead.
• Top Soothing Voice Presets: Curated models specifically tuned for pet calming (Rachel, Bella, Antoni, Domi, Elli).
• Auto-Retry & Burst Handling: Automatic 1.5s exponential backoff retry mechanism for API rate limits, with accurate error diagnostics directly from ElevenLabs.
• Live Audio Preview: Instant MediaPlayer preview engine plays synthesized voice tracks as soon as generation completes.

🌧️ 2. Real-Time Procedural Sound Generator

• Offline AudioTrack Engine: Synthesizes continuous audio mathematically on-device without needing internet streaming or large audio files:
  • Pink-Noise Rainfall: Muffles jarring exterior sounds (thunder, fireworks, car horns).
  • Maternal Heartbeat: Rhythmic 60–70 BPM low-frequency pulse simulating a mother dog's calming presence.
  • 432Hz Harmonic Drone: Gentle resonant sine tones proven to lower canine heart rates and anxiety.
• Individual Track Mixer: Independent channel sliders for Voice, Rain, Heartbeat, and Drone.

📱 3. Complete Mobile UI Redesign (Jetpack Compose & Material 3)

• Full-Width Segmented Tab Switcher: Replaced cramped right-side buttons with a responsive 50/50 segmented tab bar (✨ AI Voice Synthesis vs 🎙️ Owner Voice Studio).
• Balanced Breathing Visualizer Hero: 200dp sensory orb with multi-ring ripple wave animations, golden pet avatar ring, and dynamic equalizers.
• Fixed Layout & Text Clipping:
  • Repositioned 44.1 kHz Hi-Fi and Auto Fade-out badges to eliminate vertical wrapping.
  • Added weighted label constraints to prevent slider text clipping ("Immediate").
• Polished Hero Play Button: Floating gradient pill button with amber/rose highlights and smooth transitions.
• One-Tap Quick Presets: Pre-configured audio mixes for ⛈️ Thunder Shield, 🌙 Bedtime Lullaby, 🚪 Leaving Home, and 🧘 Quick Nap.

🔒 4. Lock-Screen Background Playback

• AndroidX Media3 Foreground Service: Uninterrupted audio playback that keeps running when the screen is locked or the app is minimized.
• Lock Screen & Notification Controls: Interactive notification with active session status and one-tap stop action.

⚙️ 5. Zero-Config Settings & Build Integration

• Automated .env Key Injection: Gradle automatically binds VITE_ELEVENLABS_API_KEY from the project .env into BuildConfig at compile time.
• Reactive DataStore Settings: Keyed state management in the Settings Dialog for API keys, voice selection, stability/similarity sliders, and pet profiles.

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