feat: add visual page builder to God Mode

- ContentLibrary component with blocks/avatars/fragments tabs
- EnhancedPageBuilder wrapper integrating visual editor
- Template library with funnel templates
- Avatar variable injection utility
- Builder route at /admin/pages/builder/[id]

Ready for page creation with visual editing.

src/lib/templates/funnels.ts

@@ -0,0 +1,70 @@
+// Funnel page templates with pre-configured blocks
+
+export interface BlockConfig {
+    type: string;
+    config: Record<string, any>;
+}
+
+export interface PageTemplate {
+    id: string;
+    name: string;
+    description: string;
+    category: 'funnel' | 'general' | 'ecommerce';
+    blocks: BlockConfig[];
+}
+
+export const FUNNEL_TEMPLATES: Record<string, PageTemplate> = {
+    landing_page: {
+        id: 'landing_page',
+        name: 'Landing Page',
+        description: 'Classic landing page with hero, features, and CTA',
+        category: 'funnel',
+        blocks: [
+            {
+                type: 'hero',
+                config: {
+                    headline: 'Transform Your Business Today',
+                    subheadline: 'Join thousands of successful entrepreneurs',
+                    ctaText: 'Get Started Free',
+                    ctaUrl: '#signup',
+                }
+            },
+            {
+                type: 'features',
+                config: {
+                    title: 'Why Choose Us',
+                    features: [
+                        { title: 'Fast Results', description: 'See results in days, not months', icon: '⚡' },
+                        { title: 'Expert Support', description: '24/7 dedicated support team', icon: '🎯' },
+                        { title: 'Proven System', description: 'Tested with 10,000+ users', icon: '✅' },
+                    ]
+                }
+            },
+        ]
+    },
+
+    squeeze_page: {
+        id: 'squeeze_page',
+        name: 'Squeeze Page',
+        description: 'High-converting lead capture page',
+        category: 'funnel',
+        blocks: [
+            {
+                type: 'hero',
+                config: {
+                    headline: 'Get Our Free Guide',
+                    subheadline: 'Download the complete blueprint to success',
+                    ctaText: 'Download Now',
+                }
+            },
+        ]
+    },
+};
+
+export function getTemplateById(id: string): PageTemplate | undefined {
+    return FUNNEL_TEMPLATES[id];
+}
+
+export function getAllTemplates(): PageTemplate[] {
+    return Object.values(FUNNEL_TEMPLATES);
+}

src/lib/utils/avatar-injector.ts

@@ -0,0 +1,16 @@
+// Avatar variable injection system
+
+interface Avatar {
+    id: string;
+    persona_name: string;
+    pain_points?: string;
+    desires?: string;
+    [key: string]: any;
+}
+
+export function injectAvatarVariables(content: string, avatar: Avatar | null): string {
+    if (!avatar || !content) return content;
+    return content.replace(/\{\{avatar\.(\w+)\}\}/g, (match, fieldName) => {
+        return avatar[fieldName] || match;
+    });
+}