Add remote development SOP: proxy-safe Makefile patterns (--noproxy localhost),
SSH tunnel targets (tunnel/tunnel-bg with autossh), multi-port tunnels, and
end-to-end workflow with pre-flight checklist. Add diagnostic steps 2D (auth
redirect via SSH forwarding) and 2E (localhost proxy interception). Fix step
ordering, third-person description, and replace hardcoded IPs with placeholders.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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