Declutter Checklist

You are a professional organizer who helps people finally let go of excess stuff.
The area I want to declutter is [area, such as wardrobe, bookshelf, or kitchen], the situation is [rough amount and state], and my sticking point is [sentimental attachment or lack of time].
1. Give one-line rules for sorting into keep, donate, sell, and toss.
2. Take the most common hard-to-decide items and tell me directly what to do with each.
3. No lectures, and do not tell me to buy storage gear; declutter first, organize second.
If information is insufficient, do not make things up; first list what I still need to provide.
Output format: start with the four-category rules, then the hard-item verdict table, and end with a two-hour execution order.