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The assistant Q&A (both /chat and the docked sheet), document extraction, and one-tap transaction categorization already run on the provider-agnostic single-call path, so they work on an OpenAI-compatible or local model. A set of specialized conversational flows still runs on the streaming run-turn runtime and needs an Anthropic-family backend (Bedrock or the direct API); they 503 on other backends. Spell out the boundary under AI Features and point at #1800 for the remaining migration. Co-authored-by: Jakob Wennberg <311770904+jakobwennberg-oss@users.noreply.github.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>