feat: convert Chutes to dynamic/router provider

- Add chutes to dynamicProviders array in provider-settings
- Add chutes entry to dynamicProviderExtras in api.ts
- Create fetcher function for Chutes models API
- Convert ChutesHandler to extend RouterProvider
- Update tests to work with dynamic provider setup
- Export chutesDefaultModelInfo for RouterProvider constructor

Author: roomote

packages/types/src/provider-settings.ts

@@ -50,6 +50,7 @@ export const dynamicProviders = [
 	"unbound",
 	"glama",
 	"roo",
+	"chutes",
 ] as const
 
 export type DynamicProvider = (typeof dynamicProviders)[number]

packages/types/src/providers/chutes.ts

@@ -45,6 +45,16 @@ export type ChutesModelId =
 
 export const chutesDefaultModelId: ChutesModelId = "deepseek-ai/DeepSeek-R1-0528"
 
+export const chutesDefaultModelInfo: ModelInfo = {
+	maxTokens: 32768,
+	contextWindow: 163840,
+	supportsImages: false,
+	supportsPromptCache: false,
+	inputPrice: 0,
+	outputPrice: 0,
+	description: "DeepSeek R1 0528 model.",
+}
+
 export const chutesModels = {
 	"deepseek-ai/DeepSeek-R1-0528": {
 		maxTokens: 32768,