Pharos: flashchards memo

A word comes back exactly when you are about to forget it.

Pharos works out that moment for you. Not "revise everything on Sunday", but
each word on its own day. The better you know it, the less often it appears:
ten minutes, then a day, then a week, then six months. The time you save goes
to the words that actually resist.

FOUR WAYS TO REMEMBER
Flashcards — recall, then check yourself. Multiple choice — when you need the
shape of the answer. Typing — write the translation; the check forgives case,
accents and stray spaces, because punishing you for something it is not testing
teaches nothing. Listening — hear the word and recall it without looking.

PRONUNCIATION, NOT JUST TRANSLATION
Any word is spoken aloud in one tap, in the voice of the language you are
learning. Every card has a pronunciation field and room for an example sentence
with its translation — for Greek that is half the point.

YOU CAN SEE WHERE YOU ARE
A daily goal ring, a streak, four months of activity, a two-week forecast of
what is coming, and a breakdown of your vocabulary by maturity: how many words
you know solidly, how many are still settling, how many you have not started.
Words that keep slipping are flagged separately — those are worth rewriting,
not showing forever.

YOUR OWN WORDS IN THIRTY SECONDS
Paste a list out of your notes or a chat — "word — translation", one pair per
line. Dashes, colons, tabs, semicolons and commas all work. A third column can
carry the pronunciation. You see how it parsed before anything is saved.

BRING YOUR ANKI DECKS
Pharos reads .apkg files and Anki's plain-text export: both sides of the card,
pronunciation, examples, tags and the review intervals you have already earned.
It writes them back out too — an .apkg that opens in Anki and AnkiDroid.

A SET CAN BE HANDED OVER
As a .pharos file — plain JSON you can open in a text editor and still read in
ten years. As a link with the whole set inside it, which no server ever sees.
As a QR code: point a camera a…