feat: improve MCP server JSON output and add development tools

[mkyutani]

Overview

Improved MCP server JSON output and added development tools.

Main Changes

1. MCP Server JSON Output Improvements

• ssky_server.py: Enhanced JSON output structure and formatting
• main.py, post_data_list.py, profile_list.py: Optimized data processing

2. Development Tools Addition

• Dockerfile.dev: Dockerfile for development environment
• README.md: Usage documentation for MCP server
• test_mcp_full.sh: Complete MCP test script
• test_mcp_quick.sh: Quick test script
• build.sh: Improved build script

3. Configuration File Updates

• pyproject.toml: Updated dependencies and project settings
• Dockerfile: Improved production Dockerfile
• SSKY_MCP_GUIDE.md: Updated guide documentation

Change Statistics

• 12 files changed
• 837 additions, 156 deletions
• 4 new files created

Testing

The newly added test scripts enable verification of MCP server functionality.