Claude Code v2.1.55 → v2.1.59: Auto-memory + /copy command

[claude-yolo]

Auto-memory: Claude now automatically saves useful context, manage with /memory command
New /copy command: Interactive picker for selecting individual code blocks or full responses
Improved bash handling: Smarter prefix suggestions for compound commands

WHY users should care: No more losing context between sessions, and much easier code copying workflow.

Covers releases 2.1.56, 2.1.58, 2.1.59 with Windows fixes and Remote Control expansion.

Related: #709