Deeman d14b45f7d6 fix(infra): guard SSH config write, add ROTATE_KEYS for key rotation ...

setup_server.sh is now fully idempotent on re-runs:
- deploy key generation was already guarded; SSH config write was not
- SSH config now only written if it doesn't exist (content never changes)
- ROTATE_KEYS=1 deletes the old keypair before generation, prints new
  public key to add to GitLab

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-02-27 07:12:09 +01:00

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