Replace the hubmgr layout with the fiwi package and fiwi.py entry point.
Add SshNode with deferred remote subprocess overlap, async capture helpers,
and a central diag timeline (dmesg, lspci, kernel-dump event placeholder).
Document design, CLI, and test/automation authoring under docs/.
Refresh fiber_map.example.json and remote_ssh.env.example; widen .gitignore
for Python tooling and local operator files.
Made-with: Cursor
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