refactor: replace @ts-ignore with @ts-expect-error and add new free model

- Replaced @ts-ignore-next-line with @ts-expect-error-next-line for better type safety in ClineHandler
- Added "kwaipilot/kat-coder-pro:free" to the list of free models in OpenRouterModelPicker
- Fixed trailing comma in providerUtils.ts filter condition

src/core/api/providers/cline.ts

@@ -184,7 +184,7 @@ export class ClineHandler implements ApiHandler {
 				if (
 					"reasoning_details" in delta &&
 					delta.reasoning_details &&
-					// @ts-ignore-next-line
+					// @ts-expect-error-next-line
 					delta?.reasoning_details?.length && // exists and non-0
 					!shouldSkipReasoningForModel(this.options.openRouterModelId)
 				) {
@@ -196,7 +196,7 @@ export class ClineHandler implements ApiHandler {
 				}
 
 				if (!didOutputUsage && chunk.usage) {
-					// @ts-ignore-next-line
+					// @ts-expect-error-next-line
 					let totalCost = (chunk.usage.cost || 0) + (chunk.usage.cost_details?.upstream_inference_cost || 0)
 
 					if (["x-ai/grok-code-fast-1", "minimax/minimax-m2.1"].includes(this.getModel().id)) {

webview-ui/src/components/settings/OpenRouterModelPicker.tsx

@@ -90,6 +90,11 @@ export const freeModels = [
 		description: "Mistral's latest model with strong coding abilities",
 		label: "FREE",
 	},
+	{
+		id: "kwaipilot/kat-coder-pro:free",
+		description: "KwaiKAT's most advanced agentic coding model in the KAT-Coder series",
+		label: "FREE",
+	},
 ]
 
 const FREE_CLINE_MODELS = freeModels.map((m) => m.id)