Two days chasing a SharedKey signature mismatch: how we fixed azurerm_storage_table_entity in Topaz
Summary
This Topaz blog post documents a two-day debugging session solving a persistent 401 Unauthorized in azurerm_storage_table_entity within the Topaz Azure emulator. It details four bugs (URL encoding causing signature mismatch, missing MERGE verb handling, upsert semantics, and a disposed stream) and how Copilot aided the investigation, with concrete code fixes and a path to end-to-end Terraform scenarios.