155 lines
7.4 KiB
Markdown
155 lines
7.4 KiB
Markdown
# Vault Tab UI + Session Timeout — Design Spec
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**Date:** 2026-04-27
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**Scope:** New `vault.html` full-tab UI, shared session timeout, popup↔vault navigation
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## Problem
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Chrome extension popups close when focus leaves them (e.g., file picker dialogs). The popup is also too cramped for complex operations like editing identity/card items, managing attachments, or bulk vault operations. Currently we work around this with `popOutToTab()` which opens `popup.html` in a tab — a hack that reuses popup-sized UI in a full window.
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Additionally, there's no session timeout — users must re-enter their passphrase every time they interact with the extension.
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## Design
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### Two entry points, one shared core
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- **`popup.html`** — quick access: search, copy, autofill, add login/secure_note (without attachments)
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- **`vault.html`** — full "desktop" UI in a browser tab: sidebar + detail pane, handles everything including attachments, bulk operations, trash, devices, settings, field history
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Both talk to the same service worker, share the same WASM session handle and unlock state.
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### vault.html layout
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Sidebar + detail pane, similar to 1Password's desktop app:
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```
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┌──────────────────────────────────────────────────┐
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│ 🔒 relicario [lock] [settings] │
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├────────────────┬─────────────────────────────────┤
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│ [search...] │ │
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│ │ (detail view for selected │
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│ ── logins ── │ item, or form when │
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│ GitHub 🔑 │ adding/editing) │
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│ AWS 🔑 │ │
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│ │ │
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│ ── notes ── │ │
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│ Recovery 📝 │ │
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│ │ │
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│ │ │
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│ │ │
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├────────────────┤ │
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│ 🗑 trash │ │
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│ 📱 devices │ │
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│ ⚙ settings │ │
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└────────────────┴─────────────────────────────────┘
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```
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- **Left sidebar (~240px):** vault name/lock status at top, search input, item list grouped by type, nav links at bottom (trash, devices, settings)
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- **Right pane:** detail view for selected item, or add/edit form. Empty state when nothing selected.
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- URL hash tracks current selection (`#item/abc123`, `#add/login`, `#trash`, etc.) for browser back/forward
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### Session timeout
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Lives in the **service worker**, not in any UI. Shared across popup and vault tab.
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**Timer logic** — new `session-timer.ts` module alongside existing `session.ts`:
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- Holds a `setTimeout` ID, reads config from `chrome.storage.local`
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- Resets on every message routed through the SW (any popup or vault tab interaction)
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- When it fires: calls `clearCurrent()` to zero the WASM handle, then broadcasts `{ type: 'session_expired' }` via `chrome.runtime.sendMessage`
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- Both popup and vault tab listen for this broadcast and show the lock screen
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**Config shape** in `chrome.storage.local`:
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```json
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{ "session_timeout": { "mode": "inactivity", "minutes": 15 } }
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```
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or:
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```json
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{ "session_timeout": { "mode": "every_time" } }
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```
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Default: `{ mode: 'inactivity', minutes: 15 }`. This is a **per-device setting** (stored in `chrome.storage.local`, not in the encrypted vault) since different devices have different risk profiles.
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**UI for timeout config:** In a "device settings" section, a simple toggle:
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- "Lock after inactivity" with a minutes dropdown (5, 15, 30, 60)
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- "Lock every time" (current behavior)
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Changing the setting sends an `update_session_config` message to the SW which immediately applies the new timer.
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### Navigation between popup and vault
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**Popup → vault:**
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- "Open vault" link on the lock screen and item list toolbar
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- `Shift+F` keydown listener in popup — opens/focuses the vault tab
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- When navigating from popup with context (e.g., viewing an item), pass item ID via URL: `vault.html#item/abc123`
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- `popOutToTab()` now redirects to `vault.html` instead of `popup.html` for types that need it
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**Global shortcut:**
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- `chrome.commands` manifest entry (default unbound, user configures in `chrome://extensions/shortcuts`)
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- SW listener opens or focuses existing vault tab
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**Vault → popup:**
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- Not needed — vault tab is the superset
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### Shared components
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Form renderers (login, secure-note, identity, card, key, totp, document), field helpers, attachments disclosure, generator panel are currently in `popup/components/`. These get moved to `shared/components/` so both entry points can import them.
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The popup wrappers conditionally hide attachments (via `isInTab()`); the vault versions always show everything.
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### Keyboard shortcuts
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| Key | Context | Action |
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|-----|---------|--------|
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| `/` | Popup list, vault sidebar | Focus search |
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| `+` | Popup list, vault sidebar | New item |
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| `↑↓` | Popup list, vault sidebar | Navigate items |
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| `Enter` | Popup list, vault sidebar | Open selected item |
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| `Escape` | Popup | Close popup |
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| `Escape` | Vault form/detail | Back to list |
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| `Shift+F` | Popup | Open/focus vault tab |
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| Global | Anywhere in Chrome | Open/focus vault tab (user-configured) |
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### New files
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```
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extension/
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├── src/
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│ ├── vault/
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│ │ ├── vault.ts # Entry point, state management, hash routing
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│ │ ├── vault-shell.ts # Layout container, sidebar/pane split
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│ │ ├── vault-sidebar.ts # Search, grouped item list, nav links
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│ │ └── vault-pane.ts # Detail/form/settings renderer
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│ ├── shared/
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│ │ └── components/ # Moved from popup/components/
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│ │ ├── types/ # login.ts, secure-note.ts, etc.
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│ │ ├── fields.ts
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│ │ ├── attachments-disclosure.ts
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│ │ └── generator-panel.ts
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│ ├── service-worker/
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│ │ └── session-timer.ts # Inactivity timeout logic
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│ └── popup/
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│ └── components/ # Thin wrappers that import from shared/
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├── vault.html # New entry point
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└── vault.css # Vault-specific layout styles (imports shared)
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```
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### What stays in popup
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The popup keeps its stacked-view navigation and compact layout. It imports form/detail components from `shared/` but wraps them in popup-specific chrome (back buttons, condensed headers). Login and secure_note forms render inline in the popup (without attachments); all other types redirect to `vault.html`.
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### Messages
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New message types:
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- `update_session_config` — popup/vault → SW, updates timeout settings
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- `get_session_config` — popup/vault → SW, reads current timeout settings
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New broadcast:
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- `session_expired` — SW → all extension views, triggers lock screen
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### Out of scope
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- Grouping/tagging/export features (future work, mentioned as eventual goal)
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- Mobile-style responsive layout for vault tab
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- Theme customization
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- Multi-vault support
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