feat(ui): add kiro and ghcp to provider types and configs

- update Variant, CreateVariant, UpdateVariant, OAuthAccount types

- add ghcp to PROVIDER_ASSETS, PROVIDER_COLORS, PROVIDER_NAMES

- add ghcp catalog with model configurations

ui/src/lib/api-client.ts

@@ -47,20 +47,20 @@ export interface UpdateProfile {
 
 export interface Variant {
   name: string;
-  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'copilot';
+  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'ghcp';
   settings: string;
   account?: string;
 }
 
 export interface CreateVariant {
   name: string;
-  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'copilot';
+  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'ghcp';
   model?: string;
   account?: string;
 }
 
 export interface UpdateVariant {
-  provider?: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'copilot';
+  provider?: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'ghcp';
   model?: string;
   account?: string;
 }
@@ -69,7 +69,7 @@ export interface UpdateVariant {
 export interface OAuthAccount {
   id: string;
   email?: string;
-  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'copilot';
+  provider: 'gemini' | 'codex' | 'agy' | 'qwen' | 'iflow' | 'kiro' | 'ghcp';
   isDefault: boolean;
   tokenFile: string;
   createdAt: string;

ui/src/lib/model-catalogs.ts

@@ -196,9 +196,9 @@ export const MODEL_CATALOGS: Record<string, ProviderCatalog> = {
       },
     ],
   },
-  copilot: {
-    provider: 'copilot',
-    displayName: 'GitHub Copilot',
+  ghcp: {
+    provider: 'ghcp',
+    displayName: 'GitHub Copilot (OAuth)',
     defaultModel: 'claude-sonnet-4.5',
     models: [
       {

ui/src/lib/provider-config.ts

@@ -10,7 +10,7 @@ export const PROVIDER_ASSETS: Record<string, string> = {
   codex: '/assets/providers/openai.svg',
   qwen: '/assets/providers/qwen-color.svg',
   kiro: '/assets/providers/kiro.png',
-  copilot: '/assets/providers/copilot.svg',
+  ghcp: '/assets/providers/copilot.svg',
 };
 
 // Provider brand colors
@@ -22,7 +22,7 @@ export const PROVIDER_COLORS: Record<string, string> = {
   iflow: '#f94144',
   qwen: '#6236FF',
   kiro: '#4d908e', // Dark Cyan (AWS-inspired)
-  copilot: '#43aa8b', // Seaweed (GitHub-inspired)
+  ghcp: '#43aa8b', // Seaweed (GitHub-inspired)
 };
 
 // Provider display names
@@ -34,7 +34,7 @@ const PROVIDER_NAMES: Record<string, string> = {
   iflow: 'iFlow',
   qwen: 'Qwen',
   kiro: 'Kiro (AWS)',
-  copilot: 'GitHub Copilot',
+  ghcp: 'GitHub Copilot (OAuth)',
 };
 
 // Map provider to display name