Add Notetaker design doc

Four reworked concepts for the Add Notetaker window. Each one delivers the same five behaviors — live link validation, auto-https on bare links, show-keys-you-have / gray-out-the-rest (Call Analyst Notetaker checked by default), and a Join now vs Schedule for later toggle — in a different layout. These are interactive mockups, not wired into the app. Pick a direction.

Iteration 1 — Guided single-column flow

A calm top-to-bottom flow: paste the link → confirm it's valid → pick who joins → choose now or later. Mirrors the app's existing modal most closely; lowest learning cost.

Iteration 2 — Provider-list first, with inline validation

Leads with the who-joins decision as a tappable list (the keys you have are live, the rest are grayed with "add in Settings"). The link sits beneath with the live ⏳ / ✓ / ✗ status right under it. Good when most users own multiple keys.

Iteration 3 — Compact, now/schedule segmented control

The tightest layout. Shows the common case where the user only has the Call Analyst Notetaker — so it's auto-selected and everything else is collapsed behind a quiet "+ Use my own (Fireflies · Otter · Fathom)" link. A prominent Now / Schedule segmented control sits up top. Fastest path for one-key users.

Iteration 4 — Two-pane "link + options"

A wider layout that splits the decision: left = the link (with big live validation and a normalized-URL preview), right = options (notetaker selection + now/schedule). Feels like a settings sheet; best on desktop where horizontal space exists.

Mirrors Call Analyst's design system (--bg #0b0d0c, card #14181a, accent oklch(0.74 0.14 245), Inter + JetBrains Mono). Link validation replicates the Settings key-validator pattern (⏳ Verifying… → ✓ / ✗, 500ms debounce, auto-https normalize). Mockup only — not wired into the app.