fix(ai): isolate Groq and Vertex metadata keys (#52598)

packages/ai/src/providers/google-vertex-messages.ts

@@ -37,7 +37,7 @@ export type Settings = ProviderPackage.Settings &
 const route = Route.make({
   id: "google-vertex-messages",
   provider: id,
-  providerMetadataKey: "anthropic",
+  providerMetadataKey: "vertex",
   protocol: Protocol.make({
     id: AnthropicMessages.protocol.id,
     body: {

packages/ai/src/providers/groq.ts

@@ -71,7 +71,7 @@ export const protocol = Protocol.make({
 export const route = Route.make({
   id: "groq-chat",
   provider: id,
-  providerMetadataKey: "openai",
+  providerMetadataKey: "groq",
   protocol,
   endpoint: Endpoint.path("/chat/completions", { baseURL }),
   framing: OpenAIChat.framing,

packages/ai/test/provider/google-vertex.test.ts

@@ -302,6 +302,7 @@ describe("Google Vertex providers", () => {
 
       expect(model.provider).toBe("google-vertex")
       expect(response.text).toBe("Hello.")
+      expect(response.usage?.providerMetadata).toHaveProperty("vertex")
     }),
   )
 

packages/ai/test/provider/groq.recorded.test.ts

@@ -171,6 +171,7 @@ describe("Groq recorded", () => {
         expect(response.text).not.toContain("<think>")
         expect(response.reasoning.length).toBeGreaterThan(0)
         expect(response.events.some(LLMEvent.is.reasoningDelta)).toBe(true)
+        expect(response.usage?.providerMetadata).toHaveProperty("groq")
         expectUsage(response)
       }),
     60_000,

packages/ai/test/provider/native-providers.test.ts

@@ -48,7 +48,7 @@ describe("native OpenAI-compatible providers", () => {
       [GoogleVertex.configure(vertex).model("model"), "vertex"],
       [GoogleVertexChat.configure(vertex).model("model"), "vertex"],
       [GoogleVertexResponses.configure(vertex).model("model"), "vertex"],
-      [GoogleVertexMessages.configure(vertex).model("model"), "anthropic"],
+      [GoogleVertexMessages.configure(vertex).model("model"), "vertex"],
       [Anthropic.configure({ apiKey: "test" }).model("model"), "anthropic"],
       [
         AnthropicCompatible.configure({ baseURL: "https://example.test/v1", provider: "minimax" }).model("model"),
@@ -64,6 +64,7 @@ describe("native OpenAI-compatible providers", () => {
       [DeepSeek.configure({ apiKey: "test" }).model("model"), "deepseek"],
       [Fireworks.configure({ apiKey: "test" }).model("model"), "fireworks"],
       [DeepInfra.configure({ apiKey: "test" }).model("model"), "deepinfra"],
+      [Groq.configure({ apiKey: "test" }).model("model"), "groq"],
       [TogetherAI.configure({ apiKey: "test" }).model("model"), "togetherai"],
       [CloudflareAIGateway.configure({ accountId: "account" }).model("model"), "cloudflare-ai-gateway"],
       [CloudflareWorkersAI.configure({ accountId: "account" }).model("model"), "cloudflare-workers-ai"],