feat: restore all 30 slash commands with comprehensive documentation

Restored 26 additional commands from commit d4a17fc, bringing total from 5 to 30 commands.

## New Commands Added (26):
- /analyze - Code and architecture analysis
- /brainstorm - Structured brainstorming sessions
- /build - Build and compilation workflows
- /business-panel - Multi-expert business analysis
- /cleanup - Code cleanup and refactoring
- /design - System design and architecture
- /document - Documentation generation
- /estimate - Effort and time estimation
- /explain - Code explanation
- /git - Git operations and workflows
- /help - Command help and usage
- /implement - Implementation workflows
- /improve - Code improvement suggestions
- /index - Project indexing (alias for index-repo)
- /load - Load saved sessions
- /pm - Project management workflows
- /reflect - Reflection and retrospectives
- /save - Save current session
- /select-tool - Tool selection guidance
- /spawn - Spawn parallel tasks
- /spec-panel - Multi-expert specification analysis
- /task - Task management
- /test - Testing workflows
- /troubleshoot - Debugging and troubleshooting
- /workflow - Custom workflow automation

## Documentation Updates:
- Created docs/reference/commands-list.md with categorized command reference
- Updated README.md with expandable 30-command list
- Updated README-zh.md with Chinese translations
- Updated README-ja.md with Japanese translations
- Updated README-kr.md with Korean translations
- Changed statistics: "3 plugins" → "30 commands"
- Added command categories: Planning & Design, Development, Testing & Quality,
  Documentation, Version Control, Project Management, Research & Analysis, Utilities

## Files Changed:
- 60 files changed, 7930 insertions(+), 267 deletions(-)
- Added 26 commands to plugins/superclaude/commands/
- Added 26 commands to src/superclaude/commands/
- Created comprehensive command documentation

Commands restored from: d4a17fc (superclaude/commands/)
Total: 30 commands now available

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

plugins/superclaude/commands/build.md

@@ -0,0 +1,94 @@
+---
+name: build
+description: "Build, compile, and package projects with intelligent error handling and optimization"
+category: utility
+complexity: enhanced
+mcp-servers: [playwright]
+personas: [devops-engineer]
+---
+
+# /sc:build - Project Building and Packaging
+
+## Triggers
+- Project compilation and packaging requests for different environments
+- Build optimization and artifact generation needs
+- Error debugging during build processes
+- Deployment preparation and artifact packaging requirements
+
+## Usage
+```
+/sc:build [target] [--type dev|prod|test] [--clean] [--optimize] [--verbose]
+```
+
+## Behavioral Flow
+1. **Analyze**: Project structure, build configurations, and dependency manifests
+2. **Validate**: Build environment, dependencies, and required toolchain components
+3. **Execute**: Build process with real-time monitoring and error detection
+4. **Optimize**: Build artifacts, apply optimizations, and minimize bundle sizes
+5. **Package**: Generate deployment artifacts and comprehensive build reports
+
+Key behaviors:
+- Configuration-driven build orchestration with dependency validation
+- Intelligent error analysis with actionable resolution guidance
+- Environment-specific optimization (dev/prod/test configurations)
+- Comprehensive build reporting with timing metrics and artifact analysis
+
+## MCP Integration
+- **Playwright MCP**: Auto-activated for build validation and UI testing during builds
+- **DevOps Engineer Persona**: Activated for build optimization and deployment preparation
+- **Enhanced Capabilities**: Build pipeline integration, performance monitoring, artifact validation
+
+## Tool Coordination
+- **Bash**: Build system execution and process management
+- **Read**: Configuration analysis and manifest inspection
+- **Grep**: Error parsing and build log analysis
+- **Glob**: Artifact discovery and validation
+- **Write**: Build reports and deployment documentation
+
+## Key Patterns
+- **Environment Builds**: dev/prod/test → appropriate configuration and optimization
+- **Error Analysis**: Build failures → diagnostic analysis and resolution guidance
+- **Optimization**: Artifact analysis → size reduction and performance improvements
+- **Validation**: Build verification → quality gates and deployment readiness
+
+## Examples
+
+### Standard Project Build
+```
+/sc:build
+# Builds entire project using default configuration
+# Generates artifacts and comprehensive build report
+```
+
+### Production Optimization Build
+```
+/sc:build --type prod --clean --optimize
+# Clean production build with advanced optimizations
+# Minification, tree-shaking, and deployment preparation
+```
+
+### Targeted Component Build
+```
+/sc:build frontend --verbose
+# Builds specific project component with detailed output
+# Real-time progress monitoring and diagnostic information
+```
+
+### Development Build with Validation
+```
+/sc:build --type dev --validate
+# Development build with Playwright validation
+# UI testing and build verification integration
+```
+
+## Boundaries
+
+**Will:**
+- Execute project build systems using existing configurations
+- Provide comprehensive error analysis and optimization recommendations
+- Generate deployment-ready artifacts with detailed reporting
+
+**Will Not:**
+- Modify build system configuration or create new build scripts
+- Install missing build dependencies or development tools
+- Execute deployment operations beyond artifact preparation