10. Trading as a user

The full walkthrough is the user guide. Quick checks:

Step	Do	Expect
Watch	Open http://app.prayog.localhost	Session badge OPEN, sim clock ticking, tickers and trades changing every second or two, a two-sided order book
Sign in	Sign in to trade → trader1 / grep PRAYOG_TRADER1_PASSWORD .env	Back on the market, your name top right, the order ticket enabled
Resting order	Buy 15 INFY, Limit, a price well below the market (e.g. 1450.00)	resting, 15 open; a new bid level in the order book; the order in My orders
Immediate fill	Buy 10, Market	filled 10 @ ...; the trade in Trades and in My fills
Cancel	Cancel (or Cancel all) in My orders	The order disappears from My orders and from the book
Refused order	Limit price 1495.01	rejected (PRICE_NOT_ON_TICK)

From a terminal (as the demo bot account): uv run prayog book INFY, uv run prayog buy INFY 10 --price 1495.50, uv run prayog orders, uv run prayog cancel-all, uv run prayog watch INFY.