Keyword Clustering Skill

Turn a raw keyword list into a structured, validated cluster map delivered as a downloadable Excel file.

What This Skill Does

1. Accepts keywords from any input format
2. Validates each keyword via DataForSEO — fetches search volume, KD, CPC
3. Filters out keywords with 0 or null search volume (dead keywords)
4. Clusters the validated keywords by topic + search intent
5. Outputs a formatted, downloadable Excel file

Step 1: Input Handling

Detect which input format the user provided and extract the keyword list.