When import finds same content hash with different IDs, treat it as an update to the existing issue instead of failing with 'rename collision' error. This handles edge cases like test data, legacy data, or data corruption gracefully. Amp-Thread-ID: https://ampcode.com/threads/T-e58a11be-cbbb-4a75-86d5-fc51af8f51d2 Co-authored-by: Amp <amp@ampcode.com>