Four screens you use, one you set once. Everything else is behind a More menu.

The big number is months of cash in the reserve. The bar shows the floor and the target. Under it, one next step: usually "save this month's two numbers", sometimes "run a refill".
The two numbers are the total of your accounts and the cash in your paycheck account. From those the desk checks the paycheck against the plan's limits and the reserve against the floor. No upload needed.
Below: the paycheck, the next refill and the target portfolio, each with a one-word status.

A refill is sized to bring the reserve back to target, split across account types the way your plan draws them, and capped at what the plan has left this year. Then the desk picks the shares:
Every row says why. Below the list: the tax estimate, any Medicare tier crossed, and a checklist for your brokerage. "I placed these trades" records the gains for the year.

The Portfolio tab. Four blocks on one screen: the asset mix you want, the funds you want to own and which account each belongs in, each holding marked keep or move out, and the transition plan.
IRA, Roth and HSA holdings move right away, since there is no tax. Taxable holdings go losses first, then lowest gain first, inside the year's gain room. Choose the pace: stay inside the room, finish in a set number of years, or all at once. Refills sell from the move-out list first.

More › Download plan prints the reserve, the paycheck, this refill's trades with the exact shares, a before-you-trade checklist, the money flow between accounts, and the plan's limits. With Privacy view on, names and amounts print blurred.
The full note is on the Privacy and security page.
No. If you have one, the desk reads it. If not, type six numbers.
Fidelity, Schwab and Vanguard statements and lot reports are read directly. Any other brokerage works with its cost-basis CSV, or by typing the holdings in.
No. It gives you a specific-lot instruction to place yourself. Set the account's cost-basis method to specific lots first so the brokerage sells the shares the desk chose.
Long-term versus short-term by the calendar, the 0/15/20% capital gains lines, net investment income tax, the Medicare income tiers, the $3,000 loss offset and carryforward, Schedule D netting order, wash sales across accounts, withholding on IRA withdrawals, and the required-minimum-distribution and 59½ notes. Figures are updated each January. It estimates; your tax professional confirms.
Not unless you show them. You can screen-share or send the plan PDF. The desk itself is sealed to your passcode.
Open the desk and choose an example household. Nothing you do with an example is saved.