v0.10.0

Changed:
Added native ChatGPT/Codex and Claude conversation harnesses with authentication, controls, persistence, documentation, and localized UI.
Added external conversation syncing and live agent conversation support across the overlay, chat, and runtime workers.
Added explicit local real-provider integration tests and expanded harness, transcript, intent-overlay, and conversation-sync coverage.

Fixed:
Isolated offline tests from personal provider and privacy settings.
Fixed macOS-incompatible Qt colors and completed translated harness guidance.
Prevented hosted CI from requiring provider API secrets.
Fixed expanding prompt sizing and deterministic text wrapping on Linux offscreen Qt.
Fixed Azure Artifact Signing setup when PSGallery is absent on Windows runners.