Per-App Workspaces and the Chat as Optional Surface — The Architecture We Walked To

State of truth lives per app in `@<app>/workspace`. The chat package is UI-only, reaching it through a typed WorkspaceAdapter.

• Slides
• Architecture
• Workspace-Pattern
• In-App-Agent-Chat
• Applied-AI-Labs
• Module-Federation
• WorkspaceAdapter
• Per-App-Packages