Creates or overwrites file at specified path.

<conditions>
- Creating new files explicitly required by task
- Replacing entire file contents when editing would be more complex
</conditions>

<critical>
- You **SHOULD** use Edit tool for modifying existing files (more precise, preserves formatting)
- You **MUST NOT** create documentation files (*.md, README) unless explicitly requested
- You **MUST NOT** use emojis unless requested
</critical>