fix(ai): add Moonshot CN Kimi K2.7 metadata

closes #5760

packages/ai/test/openai-completions-tool-choice.test.ts

@@ -1118,6 +1118,54 @@ describe("openai-completions tool_choice", () => {
 		expect(params.reasoning_effort).toBeUndefined();
 	});
 
+	it("omits disabled thinking for Moonshot Kimi K2.7 Code models", async () => {
+		const cases = [getModel("moonshotai", "kimi-k2.7-code"), getModel("moonshotai-cn", "kimi-k2.7-code")];
+
+		for (const model of cases) {
+			expect(model).toBeDefined();
+			let payload: unknown;
+
+			await streamSimple(
+				model!,
+				{
+					messages: [{ role: "user", content: "Hi", timestamp: Date.now() }],
+				},
+				{
+					apiKey: "test",
+					onPayload: (params: unknown) => {
+						payload = params;
+					},
+				},
+			).result();
+
+			const params = (payload ?? mockState.lastParams) as { thinking?: unknown; reasoning_effort?: string };
+			expect(params.thinking).toBeUndefined();
+			expect(params.reasoning_effort).toBeUndefined();
+		}
+	});
+
+	it("keeps disabled thinking for Moonshot Kimi K2.6 when thinking is off", async () => {
+		const model = getModel("moonshotai-cn", "kimi-k2.6")!;
+		let payload: unknown;
+
+		await streamSimple(
+			model,
+			{
+				messages: [{ role: "user", content: "Hi", timestamp: Date.now() }],
+			},
+			{
+				apiKey: "test",
+				onPayload: (params: unknown) => {
+					payload = params;
+				},
+			},
+		).result();
+
+		const params = (payload ?? mockState.lastParams) as { thinking?: unknown; reasoning_effort?: string };
+		expect(params.thinking).toEqual({ type: "disabled" });
+		expect(params.reasoning_effort).toBeUndefined();
+	});
+
 	it("sends max_tokens for OpenCode completions models", async () => {
 		const cases = [getModel("opencode-go", "kimi-k2.6")!, getModel("opencode", "grok-build-0.1")!] as const;
 

packages/ai/test/supports-xhigh.test.ts

@@ -69,6 +69,15 @@ describe("getSupportedThinkingLevels", () => {
 		expect(getSupportedThinkingLevels(model!)).toEqual(["off", "high"]);
 	});
 
+	it("excludes thinking off for Moonshot Kimi K2.7 Code models", () => {
+		const cases = [getModel("moonshotai", "kimi-k2.7-code"), getModel("moonshotai-cn", "kimi-k2.7-code")];
+
+		for (const model of cases) {
+			expect(model).toBeDefined();
+			expect(getSupportedThinkingLevels(model!)).toEqual(["minimal", "low", "medium", "high"]);
+		}
+	});
+
 	it("includes only high for OpenCode Grok Build", () => {
 		const model = getModel("opencode", "grok-build-0.1");
 		expect(model).toBeDefined();