Black-on-white, monospace, Universal Paperclips aesthetic. All views: lock, setup/create/import, main account, send, receive, add token, settings, and approval. Vanilla JS view switching with stub state. README updated with full UI design philosophy, external services documentation, and view descriptions.
Makefile, Dockerfile, CI workflow, prettier config, manifests for Chrome (MV3) and Firefox (MV2), source directory structure, and minimal test suite. All checks pass.