Check for pending relay messages from Town-Lex via Gmail drafts. Searches for [LEX-RELAY] town-to-local drafts, reads, parses, triages by priority, and presents a structured summary. Use when user says "check relay", "any messages from Town", "relay status", or invoke directly with /relay. Do NOT use for sending relay messages (Phase 2).
Read pending relay messages from Town-Lex delivered as Gmail drafts with [LEX-RELAY] subject prefix.
Town-Lex creates Gmail drafts as structured async messages. Local Lex discovers them via subject-prefix search (labels not usable via MCP). Each draft is immutable (write-once by Town, read by Local). Local cannot delete drafts — Town handles cleanup.
Use gmail_search_messages (MCP tool mcp__claude_ai_Gmail__gmail_search_messages):