feat(continue-watsonx-ai-provider): filter out models without native tool support

Author: osdakira

packages/types/src/providers/ibm-watsonx.ts

@@ -20,8 +20,19 @@ export const WATSONX_NON_INFERENCE_MODELS = [
 	"ibm/granite-guardian-3-2b",
 ] as const
 
+/**
+ * Models that don't support tool_calls (native tools).
+ */
+export const WATSONX_NON_TOOL_CALLS_MODELS = [
+	"ibm/granite-3-2-8b-instruct",
+	"ibm/granite-3-3-8b-instruct",
+	"ibm/granite-3-3-8b-instruct-np",
+	"ibm/granite-3-8b-instruct",
+	"mistralai/mistral-medium-2505",
+] as const
+
 export type WatsonxAIModelId = keyof typeof watsonxModels
-export const watsonxDefaultModelId = "ibm/granite-3-3-8b-instruct"
+export const watsonxDefaultModelId = "ibm/granite-4-h-small"
 
 // Common model properties
 export const baseModelInfo: ModelInfo = {
@@ -35,7 +46,7 @@ export const baseModelInfo: ModelInfo = {
 
 export const watsonxModels = {
 	// IBM Granite model
-	"ibm/granite-3-3-8b-instruct": {
+	"ibm/granite-4-h-small": {
 		...baseModelInfo,
 	},
 } as const satisfies Record<string, ModelInfo>

src/api/providers/fetchers/ibm-watsonx.ts

@@ -1,4 +1,4 @@
-import { ModelInfo, REGION_TO_URL, WATSONX_NON_INFERENCE_MODELS } from "@roo-code/types"
+import { ModelInfo, REGION_TO_URL, WATSONX_NON_INFERENCE_MODELS, WATSONX_NON_TOOL_CALLS_MODELS } from "@roo-code/types"
 import { IamAuthenticator, CloudPakForDataAuthenticator, UserOptions } from "ibm-cloud-sdk-core"
 import { WatsonXAI } from "@ibm-cloud/watsonx-ai"
 import WatsonxAiMlVml_v1 from "@ibm-cloud/watsonx-ai/dist/watsonx-ai-ml/vml_v1.js"
@@ -99,6 +99,10 @@ export async function getWatsonxModels(
 							continue
 						}
 
+						if (WATSONX_NON_TOOL_CALLS_MODELS.includes(modelId as any)) {
+							continue
+						}
+
 						const contextWindow = model.model_limits?.max_sequence_length || 128000
 						const maxTokens =
 							model.training_parameters?.max_output_tokens?.max || Math.floor(contextWindow / 16)