fix: add OpenCode Go DeepSeek V4 models

src/commands/models/list.list-command.forward-compat.test.ts

@@ -528,6 +528,51 @@ describe("modelsListCommand forward-compat", () => {
       );
     });
 
+    it("includes provider-owned supplemental catalog rows with provider filters", async () => {
+      mocks.resolveConfiguredEntries.mockReturnValueOnce({ entries: [] });
+      mocks.loadModelRegistry.mockResolvedValueOnce({
+        models: [],
+        availableKeys: new Set(["opencode-go/deepseek-v4-pro"]),
+        registry: {
+          getAll: () => [],
+        },
+      });
+      mocks.loadModelCatalog.mockResolvedValueOnce([
+        {
+          provider: "opencode-go",
+          id: "deepseek-v4-pro",
+          name: "DeepSeek V4 Pro",
+          input: ["text"],
+          contextWindow: 1_000_000,
+        },
+      ]);
+      mocks.resolveModelWithRegistry.mockImplementation(
+        ({ provider, modelId }: { provider: string; modelId: string }) =>
+          provider === "opencode-go" && modelId === "deepseek-v4-pro"
+            ? {
+                provider,
+                id: modelId,
+                name: "DeepSeek V4 Pro",
+                api: "anthropic-messages",
+                baseUrl: "https://opencode.ai/zen/go",
+                input: ["text"],
+                contextWindow: 1_000_000,
+                maxTokens: 384_000,
+                cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+              }
+            : undefined,
+      );
+      const runtime = createRuntime();
+
+      await modelsListCommand({ all: true, provider: "opencode-go", json: true }, runtime as never);
+
+      expect(lastPrintedRows<{ key: string }>()).toEqual([
+        expect.objectContaining({
+          key: "opencode-go/deepseek-v4-pro",
+        }),
+      ]);
+    });
+
     it("includes synthetic codex gpt-5.4 in --all output when catalog supports it", async () => {
       mocks.resolveConfiguredEntries.mockReturnValueOnce({ entries: [] });
       mocks.loadModelRegistry.mockResolvedValueOnce({

src/commands/models/list.row-sources.ts

@@ -77,7 +77,7 @@ export async function appendAllModelRowSources(
     seenKeys,
   });
 
-  if (params.modelRegistry && !params.context.filter.provider) {
+  if (params.modelRegistry) {
     await appendCatalogSupplementRows({
       rows: params.rows,
       modelRegistry: params.modelRegistry,