fix: remove hardcoded temperature in Z.AI provider

- Remove ZAI_DEFAULT_TEMPERATURE constant (was hardcoded to 0)
- Allow Z.AI API to use its own default temperature (0.6 for glm-4.5)
- Update tests to reflect the change

Fixes #8286

Author: roomote

packages/types/src/providers/zai.ts

@@ -103,8 +103,6 @@ export const mainlandZAiModels = {
 	},
 } as const satisfies Record<string, ModelInfo>
 
-export const ZAI_DEFAULT_TEMPERATURE = 0
-
 export const zaiApiLineConfigs = {
 	international_coding: {
 		name: "International Coding Plan",

src/api/providers/__tests__/zai.spec.ts

@@ -13,7 +13,6 @@ import {
 	mainlandZAiDefaultModelId,
 	internationalZAiModels,
 	mainlandZAiModels,
-	ZAI_DEFAULT_TEMPERATURE,
 } from "@roo-code/types"
 
 import { ZAiHandler } from "../zai"
@@ -228,7 +227,7 @@ describe("ZAiHandler", () => {
 				expect.objectContaining({
 					model: modelId,
 					max_tokens: modelInfo.maxTokens,
-					temperature: ZAI_DEFAULT_TEMPERATURE,
+					temperature: 0, // Default temperature from base provider when not specified
 					messages: expect.arrayContaining([{ role: "system", content: systemPrompt }]),
 					stream: true,
 					stream_options: { include_usage: true },

src/api/providers/zai.ts

@@ -5,7 +5,6 @@ import {
 	mainlandZAiDefaultModelId,
 	type InternationalZAiModelId,
 	type MainlandZAiModelId,
-	ZAI_DEFAULT_TEMPERATURE,
 	zaiApiLineConfigs,
 } from "@roo-code/types"
 
@@ -26,7 +25,6 @@ export class ZAiHandler extends BaseOpenAiCompatibleProvider<InternationalZAiMod
 			apiKey: options.zaiApiKey ?? "not-provided",
 			defaultProviderModelId: defaultModelId,
 			providerModels: models,
-			defaultTemperature: ZAI_DEFAULT_TEMPERATURE,
 		})
 	}
 }