feat: vaults, scopes and files show their details: a vault's settings, who has a scope, a file's keys and git status

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docs/azure.md

@@ -64,3 +64,10 @@ Secrets, keys and certificates, each on their own tab of the Secrets pane
 key (PEM public key) or certificate; private key material is never
 fetched. `v` lists an item's versions. Items expiring within
 `expiryWarningDays` (30 by default) are marked `⚠ 12d`, expired ones `✗`.
+
+On a vault, the right pane shows its settings from the Key Vault
+management API: resource group, location, SKU, whether access is by Azure
+roles or access policies, soft delete and purge protection, which networks
+can reach it, private endpoints and tags. They load the first time you're
+on the vault (`r` in the Vaults pane loads them again), and need read
+access to the vault resource, as discovering it does.