v0.5.20

Fixed

• nlm create infographic crash when --style not specified (Issue #142)
• Multiple verb-first commands missing parameters: --focus (quiz, flashcards), --wait/--wait-timeout (add url/text/drive), --auto-import (research start), --format (download slides), --json (describe, query, content), --confirm (delete alias)

Changed

• Widened fastmcp dependency to >=2.0.0,<4.0 to resolve MCP server startup crash from fakeredis 2.35.0 incompatibility (Issue #141)

Added

• Parameter parity test to prevent future verb/command parameter drift