refactor: remove ollama core facades

extensions/ollama/index.test.ts

@@ -301,6 +301,35 @@ describe("ollama plugin", () => {
     expect((payloadSeen?.options as Record<string, unknown> | undefined)?.num_ctx).toBe(202752);
   });
 
+  it("declares streaming usage support for OpenAI-compatible Ollama routes", () => {
+    const provider = registerProvider();
+
+    expect(
+      provider.contributeResolvedModelCompat?.({
+        modelId: "qwen3:32b",
+        provider: "ollama",
+        model: {
+          api: "openai-completions",
+          provider: "ollama",
+          id: "qwen3:32b",
+          baseUrl: "http://127.0.0.1:11434/v1",
+        },
+      } as never),
+    ).toEqual({ supportsUsageInStreaming: true });
+    expect(
+      provider.contributeResolvedModelCompat?.({
+        modelId: "qwen3:32b",
+        provider: "custom",
+        model: {
+          api: "openai-completions",
+          provider: "custom",
+          id: "qwen3:32b",
+          baseUrl: "https://proxy.example.com/v1",
+        },
+      } as never),
+    ).toBeUndefined();
+  });
+
   it("owns replay policy for OpenAI-compatible Ollama routes only", () => {
     const provider = registerProvider();
 

extensions/ollama/index.ts

@@ -28,6 +28,7 @@ import { resolveOllamaApiBase } from "./src/provider-models.js";
 import {
   createConfiguredOllamaCompatStreamWrapper,
   createConfiguredOllamaStreamFn,
+  isOllamaCompatProvider,
   resolveConfiguredOllamaProviderConfig,
 } from "./src/stream.js";
 import { createOllamaWebSearchProvider } from "./src/web-search-provider.js";
@@ -93,6 +94,21 @@ function hasMeaningfulExplicitOllamaConfig(providerConfig?: OllamaProviderLikeCo
   return false;
 }
 
+function usesOllamaOpenAICompatTransport(model: {
+  api?: unknown;
+  provider?: unknown;
+  baseUrl?: unknown;
+}): boolean {
+  return (
+    model.api === "openai-completions" &&
+    isOllamaCompatProvider({
+      provider: typeof model.provider === "string" ? model.provider : undefined,
+      baseUrl: typeof model.baseUrl === "string" ? model.baseUrl : undefined,
+      api: "openai-completions",
+    })
+  );
+}
+
 export default definePluginEntry({
   id: "ollama",
   name: "Ollama Provider",
@@ -248,6 +264,8 @@ export default definePluginEntry({
         });
       },
       ...OPENAI_COMPATIBLE_REPLAY_HOOKS,
+      contributeResolvedModelCompat: ({ model }) =>
+        usesOllamaOpenAICompatTransport(model) ? { supportsUsageInStreaming: true } : undefined,
       resolveReasoningOutputMode: () => "native",
       wrapStreamFn: createConfiguredOllamaCompatStreamWrapper,
       createEmbeddingProvider: async ({ config, model, remote }) => {