Initial commit: STR Optimization Manager MVP

Full-stack short-term rental management platform with:
- React/Vite frontend with dark theme dashboard, performance, pricing,
  reservations, experiments, and settings pages
- Fastify API server with auth, platform management, performance tracking,
  pricing, reservations, experiments, and weekly report endpoints
- Playwright-based scraper service with Airbnb adapter (login with MFA,
  performance metrics, reservations, calendar pricing, price changes)
- VRBO adapter scaffold and mock adapter for development
- PostgreSQL with Drizzle ORM, migrations, and seed scripts
- Job queue with worker for async scraping tasks
- AES-256-GCM credential encryption for platform credentials
- Session cookie persistence for scraper browser sessions
- Docker Compose for PostgreSQL database

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,20 @@
+services:
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: str_manager
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+    ports:
+      - "${DB_PORT:-5433}:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  postgres_data: