Improve static form control conversion

[chubes4]

Summary

• convert static/generically queried form controls to readable blocks instead of forced raw HTML
• preserve behavior-bearing controls as native runtime islands
• avoid treating readable static controls as missing runtime targets

Testing

• composer test in php-transformer

AI assistance

• AI assistance: Yes
• Tool(s): openai/gpt-5.5 via OpenCode general subagents
• Used for: r15 matrix analysis, implementation, and tests