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So far, the system has behaved correctly not because every check succeeded, but because each layer understood where its responsibility ended. This part examines what happens when those boundaries erode—not through negligence, but through convenience....

Introduction – Clarifying OAuth in Multi-App Scenarios In multi-application integrations, OAuth 2.0 flows can appear straightforward but often hide subtle nuances. During recent work, I observed an implementation where one application called another ...
