fix(agents): map Moonshot developer role compatibility

Co-authored-by: Sheng-Fu Chuang <sedernet@gmail.com>

# Conflicts:
#	CHANGELOG.md

src/agents/model-compat.test.ts

@@ -51,6 +51,32 @@ describe("normalizeModelCompat", () => {
     ).toBe(false);
   });
 
+  it("forces supportsDeveloperRole off for moonshot models", () => {
+    const model = {
+      ...baseModel(),
+      provider: "moonshot",
+      baseUrl: "https://api.moonshot.ai/v1",
+    };
+    delete (model as { compat?: unknown }).compat;
+    const normalized = normalizeModelCompat(model);
+    expect(
+      (normalized.compat as { supportsDeveloperRole?: boolean } | undefined)?.supportsDeveloperRole,
+    ).toBe(false);
+  });
+
+  it("forces supportsDeveloperRole off for custom moonshot-compatible endpoints", () => {
+    const model = {
+      ...baseModel(),
+      provider: "custom-kimi",
+      baseUrl: "https://api.moonshot.cn/v1",
+    };
+    delete (model as { compat?: unknown }).compat;
+    const normalized = normalizeModelCompat(model);
+    expect(
+      (normalized.compat as { supportsDeveloperRole?: boolean } | undefined)?.supportsDeveloperRole,
+    ).toBe(false);
+  });
+
   it("leaves non-zai models untouched", () => {
     const model = {
       ...baseModel(),

src/agents/model-compat.ts

@@ -7,7 +7,11 @@ function isOpenAiCompletionsModel(model: Model<Api>): model is Model<"openai-com
 export function normalizeModelCompat(model: Model<Api>): Model<Api> {
   const baseUrl = model.baseUrl ?? "";
   const isZai = model.provider === "zai" || baseUrl.includes("api.z.ai");
-  if (!isZai || !isOpenAiCompletionsModel(model)) {
+  const isMoonshot =
+    model.provider === "moonshot" ||
+    baseUrl.includes("moonshot.ai") ||
+    baseUrl.includes("moonshot.cn");
+  if ((!isZai && !isMoonshot) || !isOpenAiCompletionsModel(model)) {
     return model;
   }