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sources/git-arch-sources/260911D-tier-concocted.md

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+› is the new  notion of 'tier' a proper notion or something concocted for this last request?
+
+
+• It was inferred—and largely concocted—for the request, not an established notion in this repository.
+
+  I found no existing pro_v2 value, tier field, tier-specific model, checkpoint, queue contract, or historical implementation. I invented:
+
+  - The accepted tier locations.
+  - VoiceCloning.tier.
+  - training_model_tier.
+  - Tier-aware completion rules.
+  - pro_v2/ artifact namespaces.
+
+  The tests only validate that invented contract. They do not prove it matches the real producer.
+
+  Before keeping this change, we need the actual pro_v2 request payload and intended semantics. If it is merely an account plan, most of this implementation—especially artifact
+  isolation—is likely inappropriate. I should have flagged that uncertainty before implementing it.
+