tasks: add homepage placeholders

inbox/task-homepage-placeholder-seo.md

@@ -0,0 +1,75 @@
+# Task: Homepage Placeholder SEO Keywords
+
+**Priority:** High  
+**Estimated time:** 5 min  
+**Type:** SEO optimization
+
+---
+
+## Change 1: Update keywords in metadata
+
+**File:** `apps/landing/src/app/(landings)/page.tsx`
+
+**Find:**
+```typescript
+keywords: [
+  'API-first image generation',
+  'AI image API',
+  'image generation for developers',
+  'prompt to image API',
+  'CDN image delivery',
+],
+```
+
+**Replace with:**
+```typescript
+keywords: [
+  'AI image API',
+  'image generation for developers',
+  'prompt to image API',
+  'CDN image delivery',
+  'placeholder images',
+  'ai placeholder generator',
+  'placeholder image url',
+  'image placeholder api',
+],
+```
+
+---
+
+## Change 2: Update PromptUrlsSection subtitle
+
+**File:** `apps/landing/src/app/(landings)/_components/PromptUrlsSection.tsx`
+
+**Find:**
+```tsx
+<p className="text-gray-500 text-sm mt-4">
+  Perfect for static sites, prototypes, and AI coding agents that generate HTML.
+</p>
+```
+
+**Replace with:**
+```tsx
+<p className="text-gray-500 text-sm mt-4">
+  Perfect for placeholder images, prototypes, static sites, and AI coding agents.
+</p>
+```
+
+---
+
+## Verification
+
+After changes:
+1. Run `pnpm dev` in `apps/landing`
+2. Check homepage loads without errors
+3. Inspect page source — verify new keywords in meta tag
+4. Scroll to Prompt URLs section — verify updated text
+
+---
+
+## Done criteria
+
+- [ ] Keywords array updated with 8 items
+- [ ] PromptUrlsSection shows "placeholder images" first in list
+- [ ] No TypeScript/lint errors
+- [ ] Page renders correctly