Admit the independently verified README-only 1ded artifact using finite source contracts. Preserve historical 042/95f profiles, protocols, codecs, BYOK authority and reprepare guards. This removes a Dify Core admission blocker for transparent legacy SYSTEM forwarding without changing original provider or App configuration.
Reviewed content tree: 40855d6b51ed98f9f75040770987e07bfa03af48; local candidate dfd394097c41aee108973aa7fb786a18295fa691. Independent 2296 unit tests, Ruff check/format and production type checks passed. Dev-first publication; main PR promotion follows live regression.
Add closed V6/V7 source profiles and typed routing/inventory support so legacy SYSTEM-credit Apps can retain their original provider, model and parameter semantics when redirected to Tokener. Preserve old registry revisions, hashes and BYOK behavior. Consumer support only: no database-schema or business-data writes, no registry publication, default-plugin switch, migration enablement, funding or production operation. Verified 4005 related tests, 97 import contracts, Ruff and strict type checks. Original-provider user E2E remains a separate deployment gate.
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