fix(models): expose static models list so UI renders entries before listModels resolves

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/index.ts

@@ -1,7 +1,8 @@
 export const type = "claude_k8s";
 export const label = "Claude (Kubernetes)";
 
-export const models: undefined = undefined;
+import { DIRECT_MODELS, BEDROCK_MODELS, isBedrockEnv } from "./server/models.js";
+export const models = isBedrockEnv() ? BEDROCK_MODELS : DIRECT_MODELS;
 
 export const agentConfigurationDoc = `# claude_k8s agent configuration