fix: SEO lib uses dynamic OG route as default image (fixes missing og-image.png)

src/lib/seo.ts

@@ -12,7 +12,9 @@ export interface SEOConfig {
 }
 
 const BASE_URL = process.env.NEXT_PUBLIC_APP_URL || 'https://open-prompt.netlify.app'
-const DEFAULT_IMAGE = `${BASE_URL}/logos/og-image.png`
+
+// Use dynamic OG route as default (no static og-image.png needed)
+const DEFAULT_IMAGE = `${BASE_URL}/api/og?title=OpenPrompt&description=The+GitHub+for+AI+Prompts`
 
 /**
  * Generate a dynamic OG image URL via /api/og
@@ -200,8 +202,6 @@ export function generatePromptSchema(prompt: {
     remixesCount?: number
     category?: string
 }) {
-    // Only emit AggregateRating when there are ≥5 meaningful data points
-    // and use a proper 1-5 scale (not the bugged 3+ formula)
     const hasEnoughRatings = prompt.starsCount >= 5
     const normalizedRating = hasEnoughRatings
         ? Math.min(5, Math.max(1, 1 + (prompt.starsCount / (prompt.starsCount + 10)) * 4))
@@ -252,7 +252,7 @@ export function generateToolSchema(tool: {
         '@type': 'WebApplication',
         name: tool.name,
         description: tool.description,
-        url: `${BASE_URL}/tools/${tool.category}/${tool.slug}`,
+        url: `${BASE_URL}/tools/${tool.slug}`,
         applicationCategory: 'Productivity',
         operatingSystem: 'Web',
         offers: {