Third β sub-plan. Adds cross-cutting UI surfaces on top of β₁'s typed-
item forms:
- Custom-fields editor: collapsible disclosure in edit forms; sections
+ fields of kind Text/Password/Concealed (other 8 FieldKinds deferred).
No reordering. Always-visible below typed rows in detail mode.
- Full VaultSettings view: trash retention, field-history retention,
generator defaults (preview + "configure" link to the popover),
autofill origin-ack revoke. Skip attachment caps (γ concern).
- Inline generator popover: invoked at every "gen" button. Random/BIP39
kind toggle, length/word-count slider, charset checkboxes. Actions:
use this value / save as default / reset / cancel. Shared with the
Settings screen's "configure ▾" button.
- Two new popup-only messages: get_vault_settings / update_vault_settings
(thin wrappers around α's fetchAndDecryptSettings / encryptAndWrite-
Settings). NOT in SETUP_ALLOWED.
- generate_passphrase message added if missing for BIP39 previews.
Five-slice sequencing in execution order:
1. Custom-fields detail rendering (read-only)
2. Custom-fields edit rendering (disclosure + add/remove)
3. Vault-settings SW plumbing (+ generate_passphrase if needed)
4. Generator inline popover
5. Settings view + origin-ack revoke + default wiring
Slice 3 intentionally lands before Slice 4 so the popover's "save
as default" action is fully functional the moment it ships.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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