feat: Unify AI provider settings tabs with consistent design

- Add CursorCliStatus component matching Claude's card design
- Add authentication status display to Claude CLI status card
- Add skeleton loading states for both Claude and Cursor tabs
- Add usage info banners (Primary Provider / Board View Only)
- Remove duplicate auth status from API Keys section
- Update Model Configuration card to use unified styling

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/ui/src/components/views/settings-view/providers/claude-settings-tab.tsx

@@ -1,11 +1,14 @@
 import { useAppStore } from '@/store/app-store';
+import { useSetupStore } from '@/store/setup-store';
 import { useCliStatus } from '../hooks/use-cli-status';
 import { ClaudeCliStatus } from '../cli-status/claude-cli-status';
 import { ClaudeMdSettings } from '../claude/claude-md-settings';
 import { ClaudeUsageSection } from '../api-keys/claude-usage-section';
+import { Info } from 'lucide-react';
 
 export function ClaudeSettingsTab() {
   const { apiKeys, autoLoadClaudeMd, setAutoLoadClaudeMd } = useAppStore();
+  const { claudeAuthStatus } = useSetupStore();
 
   // Use CLI status hook
   const { claudeCliStatus, isCheckingClaudeCli, handleRefreshClaudeCli } = useCliStatus();
@@ -18,8 +21,20 @@ export function ClaudeSettingsTab() {
 
   return (
     <div className="space-y-6">
+      {/* Usage Info */}
+      <div className="flex items-start gap-3 p-4 rounded-xl bg-blue-500/10 border border-blue-500/20">
+        <Info className="w-5 h-5 text-blue-400 shrink-0 mt-0.5" />
+        <div className="text-sm text-blue-400/90">
+          <span className="font-medium">Primary Provider</span>
+          <p className="text-xs text-blue-400/70 mt-1">
+            Claude is used throughout the app including chat, analysis, and agent tasks.
+          </p>
+        </div>
+      </div>
+
       <ClaudeCliStatus
         status={claudeCliStatus}
+        authStatus={claudeAuthStatus}
         isChecking={isCheckingClaudeCli}
         onRefresh={handleRefreshClaudeCli}
       />