dsh-vault v0.8.2

v0.8.2 — Autofill check, HOTP, explicit backup

• vault_autofill_check: does a URL/host have credentials? (never returns the secret)
• vault_totp: HOTP counter mode (RFC 4226)
• vault_backup_now: explicit immediate-backup alias
• Bug fix: vault_autofill_check empty-host false match; vault_import_csv numeric overflow guard
• UI: icon/color fields in the entry form

69 tools, 137 tests.