feat(presets): add ClaudeAPI provider presets

Add ClaudeAPI as a new partner provider with support for:
- Claude Code preset (using ANTHROPIC_AUTH_TOKEN field)
- Claude Desktop preset (direct mode with passthrough routes)
- Icon configuration (ClaudeApi.png)
- i18n support (zh/en/ja) with test credit promotion

ClaudeAPI provides official Anthropic API keys and AWS Bedrock
routing with support for Tool Use and 1M context.

src/icons/extracted/index.ts

@@ -1,6 +1,7 @@
 // Auto-generated icon index
 // Do not edit manually
 
+import _claudeapi from "./ClaudeApi.png";
 import _eflowcode from "./eflowcode.png";
 import _hermes from "./hermes.png";
 import _lemondata from "./lemondata.png";
@@ -81,6 +82,7 @@ export const icons: Record<string, string> = {
 };
 
 export const iconUrls: Record<string, string> = {
+  claudeapi: _claudeapi,
   eflowcode: _eflowcode,
   hermes: _hermes,
   lemondata: _lemondata,

src/icons/extracted/metadata.ts

@@ -72,6 +72,12 @@ export const iconMetadata: Record<string, IconMetadata> = {
     keywords: ["anthropic"],
     defaultColor: "#D4915D",
   },
+  claudeapi: {
+    name: "claudeapi",
+    displayName: "ClaudeAPI",
+    category: "ai-provider",
+    keywords: ["claudeapi", "claude", "anthropic", "bedrock"],
+  },
   cloudflare: {
     name: "cloudflare",
     displayName: "Cloudflare",