Product Admin: Edit & Delete Product

**Description:** Allow editing product fields and deleting products with a confirmation dialog. Ensure list and storage update accordingly.

**Acceptance criteria:**
Edit button opens product data for modification; save updates grid and storage.
Delete prompts for confirmation and removes product on confirm.

Difficulty: Medium

The issue does not name files or tests. Start by locating the product admin screen and its product list and storage logic, then run the application to trace the existing product flow. Done means editing fields updates both the grid and storage, while deletion requires confirmation and removes the product after confirmation.

Written by the indexing model from the issue text.