Paul Bailey 0e60c91b98 Complete task 10: Update item operations for access control ...

- All item operations (createItem, updateItem, deleteItem, toggleItem) now enforce access control
- Editor vs viewer permissions properly enforced (only owner/editor can modify)
- Item queries (searchItems, getItemsByFilter, getItem) filter by list access
- Validates Requirements 6.2, 6.3, and 9.2

2025-12-02 00:54:55 +00:00

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specs

Complete task 10: Update item operations for access control

2025-12-02 00:54:55 +00:00