v0.7.0a5

What's Changed

• Add skill support for RealtimeVoiceChannel, fix release blockers
• Add guardrails example with multi-layer safety hooks
• Update Gemini Live default model to gemini-3.1-flash-live-preview
• Reduce subtitle font size to fit 640px frame
• Fix: call start_capture() to begin webcam frame capture
• Replace snapshot with MJPEG HTTP server for live video viewing
• Fix: replace cv2.imshow with file snapshot (headless-safe)
• Add translation debug logging and clearer instructions
• Fix: add missing attach_channel for voice (again)
• Fix subtitle example: add cv2 display window and video join
• Fix translate function: use AIContext, not keyword args
• Fix: restore attach_channel for voice — join() requires it
• Fix subtitle example: add VAD_MODEL env var, remove duplicate session
• Rewrite subtitle example using shared helpers
• Rewrite subtitle example: real webcam + mic + STT + translation
• Final review fixes: BGR color bug, missing tests, docs completeness
• Add overlay example, changelog entry, and docs guide
• Production hardening: overlay DRY, thread safety, bug fixes, tests
• Add rich video overlays: text, images, tables on live video frames
• Fix async_delivery docstring to match implementation
• docs: update changelog for delivery backend
• Add delivery backend docs, examples, and API reference
• Production hardening: fix critical bugs, eliminate DRY, expand tests
• Fix review issues: hook tests, Redis close() cleanup, log levels
• Add Redis delivery backend (Phase 2) and worker-side delivery hooks
• Add persistent delivery backend (Phase 1) and auto-delegate test coverage

Full Changelog: v0.7.0a4...v0.7.0a5