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d1aea87bd7
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feat: SaltyFace web app UI for Chromium kiosk (Issue #370)
Animated robot expression interface as lightweight web application:
**Architecture:**
- HTML5 Canvas rendering engine
- Node.js HTTP server (localhost:3000)
- ROSLIB WebSocket bridge for ROS2 topics
- Fullscreen responsive design (1024×600)
**Features:**
- 8 emotional states (happy, alert, confused, sleeping, excited, emergency, listening, talking)
- Real-time ROS2 subscriptions:
- /saltybot/state (emotion triggers)
- /saltybot/battery (status display)
- /saltybot/target_track (EXCITED emotion)
- /saltybot/obstacles (ALERT emotion)
- /social/speech/is_speaking (TALKING emotion)
- /social/speech/is_listening (LISTENING emotion)
- Tap-to-toggle status overlay
- 60fps Canvas animation on Wayland
- ~80MB total memory (Node.js + browser)
**Files:**
- public/index.html — Main page (1024×600 fullscreen)
- public/salty-face.js — Canvas rendering + ROS2 integration
- server.js — Node.js HTTP server with CORS support
- systemd/salty-face-server.service — Auto-start systemd service
- docs/SALTY_FACE_WEB_APP.md — Complete setup & API documentation
**Integration:**
- Runs in Chromium kiosk (Issue #374)
- Depends on rosbridge_server for WebSocket bridge
- Serves on localhost:3000 (configurable)
**Next:** Issue #371 (Accessibility enhancements)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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2026-03-04 08:44:37 -05:00 |
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