Echo v0.1.0

First public release.

Install

1. Download Echo.dmg below.
2. Open it, drag Echo → Applications.
3. Launch — accept the microphone permission prompt.
4. Open Settings (menu-bar icon → Open Settings…) → paste your API key.

Features

• Push-to-talk to Gemini Live (gemini-3.1-flash-live-preview), OpenAI Realtime, or xAI Grok.
• Notch-engulfing HUD with live waveform and per-session cost.
• AVAudioEngine prewarmed at launch with voice processing AEC; mic muted during assistant playback.
• Optional client-side Silero v5 VAD (ONNX, on-device).
• Keychain-stored API keys, fresh-per-press session lifecycle.
• Clipboard-paste output mode (auto-⌘V via Accessibility, falls back to clipboard-only).

Build SHA

5e03598