Providers: fix kimi-coding thinking normalization

extensions/kimi-coding/index.ts

@@ -77,6 +77,7 @@ export default definePluginEntry({
         },
       },
       capabilities: {
+        openAiPayloadNormalizationMode: "moonshot-thinking",
         preserveAnthropicThinkingSignatures: false,
       },
     });

src/agents/provider-capabilities.test.ts

@@ -32,6 +32,7 @@ const resolveProviderCapabilitiesWithPluginMock = vi.fn((params: { provider: str
       };
     case "kimi":
       return {
+        openAiPayloadNormalizationMode: "moonshot-thinking",
         preserveAnthropicThinkingSignatures: false,
       };
     default:
@@ -122,7 +123,7 @@ describe("resolveProviderCapabilities", () => {
     expect(resolveProviderCapabilities("kimi-code")).toEqual({
       anthropicToolSchemaMode: "native",
       anthropicToolChoiceMode: "native",
-      openAiPayloadNormalizationMode: "default",
+      openAiPayloadNormalizationMode: "moonshot-thinking",
       providerFamily: "default",
       preserveAnthropicThinkingSignatures: false,
       openAiCompatTurnValidation: true,
@@ -143,6 +144,7 @@ describe("resolveProviderCapabilities", () => {
 
   it("routes moonshot payload compatibility through the capability registry", () => {
     expect(usesMoonshotThinkingPayloadCompat("moonshot")).toBe(true);
+    expect(usesMoonshotThinkingPayloadCompat("kimi-coding")).toBe(true);
     expect(usesMoonshotThinkingPayloadCompat("openai")).toBe(false);
   });
 

src/agents/provider-capabilities.ts

@@ -67,6 +67,9 @@ const PLUGIN_CAPABILITIES_FALLBACKS: Record<string, Partial<ProviderCapabilities
   moonshot: {
     openAiPayloadNormalizationMode: "moonshot-thinking",
   },
+  "kimi-coding": {
+    openAiPayloadNormalizationMode: "moonshot-thinking",
+  },
   opencode: {
     openAiCompatTurnValidation: false,
     geminiThoughtSignatureSanitization: true,