Deletes the Claude-orchestrated /setup and /new-setup flows. The scripted installer (bash nanoclaw.sh → setup:auto) now handles bootstrap, container, OneCLI, auth, service, first agent, and optional channel wiring end-to-end with inline Claude-assisted recovery on failure. Keeps /setup as a one-line redirect so the trigger still resolves. Drops the opt-out diagnostics files that belonged to the old flow and updates cross-refs in add-wechat, migrate-nanoclaw, and update-nanoclaw.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Matches the pattern used by /setup and /update-nanoclaw. Captures
migration-specific properties (tier, phase, customization count,
skill interactions). Opt-out permanently disables across all skills.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
