test: thread toolCallMetadata through mock adapters

Added the new TToolCallMetadata generic to BaseTextAdapter requires
mock adapters in tests/test-utils.ts and tests/type-check.test.ts to
include toolCallMetadata in their `~types` block.

Author: Nathan Young

packages/typescript/ai/tests/test-utils.ts

@@ -108,6 +108,7 @@ export function createMockAdapter(options: {
         document: undefined as unknown,
       },
       toolCapabilities: [] as ReadonlyArray<string>,
+      toolCallMetadata: undefined as unknown,
     },
     chatStream: (opts: any) => {
       calls.push(opts)

packages/typescript/ai/tests/type-check.test.ts

@@ -36,6 +36,7 @@ const mockAdapter = {
       document: undefined as unknown,
     },
     toolCapabilities: [] as ReadonlyArray<string>,
+    toolCallMetadata: undefined as unknown,
   },
   chatStream: async function* () {},
   structuredOutput: async () => ({ data: {}, rawText: '{}' }),