• change: Sturdier form open and close across all edit screens.
• change: Host, tunnel, snippet and provider forms share a single open and close routine, so a fix to one path benefits all four.
• change: Vault config writes after a save are reliably persisted before the form closes.
• change: Per-provider sync defaults (DigitalOcean on, Proxmox off) are pinned by tests so a future refactor cannot silently flip them.