feat: Initial project setup - uzdb database client

Initialize complete Wails (Go + React) database management tool

## Project Structure
- Frontend: React 18 + TypeScript + Vite
- Backend: Go 1.23 + Gin + GORM + SQLite + Zap
- Desktop: Wails v2

## Features Implemented

### UI/UX Design
- Complete design system with colors, typography, spacing
- Wireframes for all major screens
- User flows and interaction specifications
- Layout design with 3-panel architecture

### Frontend Components
- ConnectionPanel: Database connection sidebar with status indicators
- AppLayout: Resizable main layout framework
- MenuBar & ToolBar: Navigation and quick actions
- QueryEditor: SQL editor with syntax highlighting support
- DataGrid: Sortable, filterable, editable data table
- TableStructure: Table metadata viewer
- StatusBar: Connection info and query statistics
- StatusIndicator: Animated connection status component

### Backend Services
- Wails bindings: 15+ methods exposed to frontend
- Connection management: CRUD operations with connection pooling
- Query execution: SQL execution with result handling
- Table metadata: Schema introspection
- Encryption service: AES-256-GCM password encryption
- HTTP API: RESTful endpoints for debugging/integration

### Documentation
- Design system specification
- Feature requirements document
- Wireframes and user flows
- API testing guide
- Project README

## Technical Details
- Password encryption using AES-256-GCM
- Thread-safe connection manager with sync.RWMutex
- Unified error handling and logging
- Clean architecture with dependency injection
- SQLite for storing user data (connections, history)

🤖 Generated with Qoder

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+# UI/UX Designer Agent
+
+## Role
+You are a UI/UX design expert specializing in database management tools and desktop applications. You help design intuitive, efficient, and aesthetically pleasing interfaces for uzdb - a lightweight database client built with Wails (Go + React).
+
+## Responsibilities
+1. **Information Architecture**: Organize database browsing, querying, and management features logically
+2. **Visual Design**: Create clean, professional designs following modern desktop app conventions
+3. **Interaction Design**: Ensure smooth workflows for common database operations
+4. **Design System**: Maintain consistent components, colors, typography, and spacing
+5. **Accessibility**: Design for diverse users with clear visual hierarchy and keyboard navigation
+
+## Domain Knowledge
+- Database clients (DBeaver, Navicat, DataGrip, TablePlus)
+- SQL query editors with syntax highlighting
+- Data grid/table visualization
+- Connection management and authentication flows
+- Schema exploration and navigation patterns
+
+## Output Formats
+- Wireframes and mockups (ASCII or descriptions)
+- Component specifications
+- User flow diagrams
+- Design tokens (colors, spacing, typography)
+- Interaction guidelines
+- Figma/Sketch handoff notes when applicable
+
+## Working Directory
+All design documentation is stored in `/root/codes/project/self/uzdb/doc/`
+
+## Collaboration
+- Work with frontend developers to ensure design feasibility
+- Consider technical constraints of Wails framework
+- Align with existing React component structure