Twitter Marketing Bot & SEO Improvements

Release digest

Twitter Marketing Bot 🐦 - Fully automated content posting
- Cloud Run Job: Runs 5x/day via Cloud Scheduler (09, 12, 15, 18, 21 UTC)
- Diverse Content: Risk alerts, Top projects, Market insights, Educational tips
- Changed "SCAM ALERT" → "RISK ALERT" for legal safety
SEO Improvements 🔍 - AI-readable landing page
- JSON-LD structured data for AI crawlers
- Open Graph and Twitter Card meta tags
- robots.txt allowing AI bots (GPTBot, ClaudeBot, etc.)
Farcaster Content Bot 🟣 - Semi-automated cast generator
- Generates ready-to-post content for Warpcast

Cloud SQL Access Restricted 🔒 - Removed 0.0.0.0/0 public access
- Database now only accessible via Cloud SQL Proxy
- Cloud Run services connect securely without public IP
Migrated from GitHub Actions to Cloud Run Jobs - More secure, same GCP VPC
Twitter Content Types:
- risk - Risk alerts for low-trust projects
- top - Highlights for high-trust projects
- insight - Market statistics
- education - DYOR tips
Documentation Updated - Workflow docs reflect Cloud Run automation
GitHub Actions twitter-bot.yml - Replaced by Cloud Run Jobs