).toBe(false);

});

it("does not forward-compat case-mismatched Anthropic model ids", async () => {

const provider = await registerSingleProviderPlugin(anthropicPlugin);

const resolved = provider.resolveDynamicModel?.({

provider: "anthropic",

modelId: "CLAUDE-OPUS-4-7",

modelRegistry: createModelRegistry([

{

id: "claude-opus-4-6",

name: "Claude Opus 4.6",

provider: "anthropic",

api: "anthropic-messages",

reasoning: true,

input: ["text", "image"],

cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },

contextWindow: 200_000,

maxTokens: 32_000,

} as ProviderRuntimeModel,

]),

} as ProviderResolveDynamicModelContext);

expect(resolved).toBeUndefined();

});

it("normalizes exact claude opus 4.7 variants to 1M context", async () => {

const provider = await registerSingleProviderPlugin(anthropicPlugin);