Edit Tool — Unified Skill/Agent/Script Editor

Triage first — because the type decides everything downstream

Pick the tool type before writing anything. The wrong type is expensive to unwind later (a skill that should have been a 0-token bash script pollutes every session; an agent that should have been a skill loses main-context access). Triaging first is what makes this skill worth more than "just write the file".

1. Analyze request against the decision tree
2. Explain the call to the user so they can catch a bad fit early: ✅ [TYPE] because: pollution cost (~X tokens × Yfreq), context mode (main|fork), key factor
3. Branch to the matching guide or give direct guidance