feat(#37-41): Add domains, ideas, relationships, agents, widgets schema

Schema additions for issues #37-41:

New models:
- Domain (#37): Life domains (work, marriage, homelab, etc.)
- Idea (#38): Brain dumps with pgvector embeddings
- Relationship (#39): Generic entity linking (blocks, depends_on)
- Agent (#40): ClawdBot agent tracking with metrics
- AgentSession (#40): Conversation session tracking
- WidgetDefinition (#41): HUD widget registry
- UserLayout (#41): Per-user dashboard configuration

Updated models:
- Task, Event, Project: Added domainId foreign key
- User, Workspace: Added new relations

New enums:
- IdeaStatus: CAPTURED, PROCESSING, ACTIONABLE, ARCHIVED, DISCARDED
- RelationshipType: BLOCKS, BLOCKED_BY, DEPENDS_ON, etc.
- AgentStatus: IDLE, WORKING, WAITING, ERROR, TERMINATED
- EntityType: Added IDEA, DOMAIN

Migration: 20260129182803_add_domains_ideas_agents_widgets

README.md

@@ -71,18 +71,47 @@ pnpm dev
 
 ### Docker Deployment (Turnkey)
 
+**Recommended for quick setup and production deployments.**
+
 ```bash
-# Start all services
+# Clone repository
+git clone https://git.mosaicstack.dev/mosaic/stack mosaic-stack
+cd mosaic-stack
+
+# Copy and configure environment
+cp .env.example .env
+# Edit .env with your settings
+
+# Start core services (PostgreSQL, Valkey, API, Web)
 docker compose up -d
 
+# Or start with optional services
+docker compose --profile full up -d  # Includes Authentik and Ollama
+
 # View logs
 docker compose logs -f
 
+# Check service status
+docker compose ps
+
+# Access services
+# Web:  http://localhost:3000
+# API:  http://localhost:3001
+# Auth: http://localhost:9000 (if Authentik enabled)
+
 # Stop services
 docker compose down
 ```
 
-See [Installation Guide](docs/1-getting-started/2-installation/) for detailed installation instructions.
+**What's included:**
+- PostgreSQL 17 with pgvector extension
+- Valkey (Redis-compatible cache)
+- Mosaic API (NestJS)
+- Mosaic Web (Next.js)
+- Authentik OIDC (optional, use `--profile authentik`)
+- Ollama AI (optional, use `--profile ollama`)
+
+See [Docker Deployment Guide](docs/1-getting-started/4-docker-deployment/) for complete documentation.
 
 ## Project Structure
 
@@ -142,8 +171,9 @@ mosaic-stack/
 ### 🚧 In Progress (v0.0.x)
 
 - **Issue #5:** Multi-tenant workspace isolation (planned)
-- **Issue #6:** Frontend authentication UI (planned)
-- **Issue #7:** Task management API & UI (planned)
+- **Issue #6:** Frontend authentication UI ✅ **COMPLETED**
+- **Issue #7:** Activity logging system (planned)
+- **Issue #8:** Docker compose setup ✅ **COMPLETED**
 
 ### 📋 Planned Features (v0.1.0 MVP)