This means the system automatically merges tags when two or more tags are given identical names. Mechanism: 1. A user renames Tag B to match the existing name of Tag A. 2. The system detects the name collision, 3. A merge action is triggered, and asks if to perform a merge 4. If the user confirmed, combine Tag B into Tag A. 4. All items previously associated with Tag B now combine into Tag A. 5. Tag B (not used) is removed (or archived) ⚠️ Currently, the system crashes when Step 1 & 2 happens