Add Ant Ling provider

packages/coding-agent/src/cli/args.ts

@@ -328,6 +328,7 @@ ${chalk.bold("Examples:")}
 ${chalk.bold("Environment Variables:")}
   ANTHROPIC_API_KEY                - Anthropic Claude API key
   ANTHROPIC_OAUTH_TOKEN            - Anthropic OAuth token (alternative to API key)
+  ANT_LING_API_KEY                 - Ant Ling API key
   OPENAI_API_KEY                   - OpenAI GPT API key
   AZURE_OPENAI_API_KEY             - Azure OpenAI API key
   AZURE_OPENAI_BASE_URL            - Azure OpenAI/Cognitive Services base URL (e.g. https://{resource}.openai.azure.com)

packages/coding-agent/src/core/model-resolver.ts

@@ -13,6 +13,7 @@ import type { ModelRegistry } from "./model-registry.ts";
 /** Default model IDs for each known provider */
 export const defaultModelPerProvider: Record<KnownProvider, string> = {
 	"amazon-bedrock": "us.anthropic.claude-opus-4-6-v1",
+	"ant-ling": "Ring-2.6-1T",
 	anthropic: "claude-opus-4-8",
 	openai: "gpt-5.4",
 	"azure-openai-responses": "gpt-5.4",

packages/coding-agent/src/core/provider-display-names.ts

@@ -1,6 +1,7 @@
 export const BUILT_IN_PROVIDER_DISPLAY_NAMES: Record<string, string> = {
 	anthropic: "Anthropic",
 	"amazon-bedrock": "Amazon Bedrock",
+	"ant-ling": "Ant Ling",
 	"azure-openai-responses": "Azure OpenAI Responses",
 	cerebras: "Cerebras",
 	"cloudflare-ai-gateway": "Cloudflare AI Gateway",