optimize: /blog/move-beyond-rest-persistent-connections-for-agents — rewrite title/meta, add FAQ block

[pstayets]

Page: /blog/move-beyond-rest-persistent-connections-for-agents
Before: 314 impressions, 0 clicks, position 13.0

Changes:

• Title: 'Persistent Connections for AI Agents: REST Polling vs WebSocket vs Encrypted UDP Tunnels' (front-loads primary query)
• Meta description: rewritten under 155 chars with problem → deliverable structure
• Opening paragraph: first two sentences state the comparison and deliverable directly
• Added FAQ block (5 entries with JSON-LD for AI Overviews): REST polling waste, WebSocket alternatives, bidirectional support, migration path, memory costs
• Internal links: /blog/replace-webhooks-with-persistent-agent-tunnels and /blog/direct-communication-protocols-ai-agents-guide
• Added entry to public/llms.txt for LLM discoverability