v0.61.0: Vertex/Bedrock Opus support, Mission Control polish, and interactive command prevention

New features

- Vertex/Bedrock Opus support - All latest Opus models now available via Vertex and Bedrock
- Online research in Missions - Added online research and environment setup during Missions planning
- Recent local directories - Quick access to recently used local directories

Bug fixes

- Mission Control polish - Visual improvements to Mission Control UI
- Interactive command prevention - Prevent interactive command execution that could block the agent
- Missions latency - Reduced /enter-mission latency and improved daemon error UX
- Spec/autonomy decoupling - Decoupled spec and autonomy settings and permission outcomes