feat: add ANTHROPIC_HOST configuration for Anthropic in cli and UI (#1776)

ui/desktop/src/components/settings/api_keys/utils.tsx

@@ -5,6 +5,7 @@ import { default_key_value, required_keys } from '../models/hardcoded_stuff'; //
 export function isSecretKey(keyName: string): boolean {
   // Endpoints and hosts should not be stored as secrets
   const nonSecretKeys = [
+    'ANTHROPIC_HOST',
     'DATABRICKS_HOST',
     'OLLAMA_HOST',
     'OPENAI_HOST',

ui/desktop/src/components/settings/models/hardcoded_stuff.tsx

@@ -58,7 +58,7 @@ export const short_list = ['gpt-4o', 'claude-3-5-sonnet-latest'];
 
 export const required_keys = {
   OpenAI: ['OPENAI_API_KEY', 'OPENAI_HOST', 'OPENAI_BASE_PATH'],
-  Anthropic: ['ANTHROPIC_API_KEY'],
+  Anthropic: ['ANTHROPIC_API_KEY', 'ANTHROPIC_HOST'],
   Databricks: ['DATABRICKS_HOST'],
   Groq: ['GROQ_API_KEY'],
   Ollama: ['OLLAMA_HOST'],
@@ -75,6 +75,7 @@ export const required_keys = {
 };
 
 export const default_key_value = {
+  ANTHROPIC_HOST: 'https://api.anthropic.com',
   OPENAI_HOST: 'https://api.openai.com',
   OPENAI_BASE_PATH: 'v1/chat/completions',
   OLLAMA_HOST: 'localhost',

ui/desktop/src/components/settings_v2/providers/ProviderRegistry.tsx

@@ -91,6 +91,11 @@ export const PROVIDER_REGISTRY: ProviderRegistry[] = [
           name: 'ANTHROPIC_API_KEY',
           is_secret: true,
         },
+        {
+          name: 'ANTHROPIC_HOST',
+          is_secret: false,
+          default: 'https://api.anthropic.com',
+        },
       ],
     },
   },