Add cookie-picker route dispatch (no auth, localhost-only), add
cookie-import-browser to WRITE_COMMANDS and CHAIN_WRITE, add serverPort
property to BrowserManager, add write command with two modes (picker UI
vs --domain direct import), update CLI help text.
Two-panel dark-theme picker served from the browse server. Left panel
shows source browser domains with search and import buttons. Right panel
shows imported domains with trash buttons. No cookie values exposed.
6 API endpoints, importedDomains Set tracking, inline clearCookies.
Pure logic module for reading and decrypting cookies from macOS Chromium
browsers (Comet, Chrome, Arc, Brave, Edge). Supports v10 AES-128-CBC
encryption with macOS Keychain access, PBKDF2 key derivation, and
per-browser key caching. 18 unit tests with encrypted cookie fixtures.