A Single Session Walked Through From Preparation to Close

Descriptions of a breakout approach usually jump straight to the moment of the break, which is roughly the least interesting part of the day. What follows is one ordinary session described in sequence, with the dull stretches left in, because the dull stretches are where the day is actually decided and they are the part that never appears in a diagram.
Before Anything Trades

The first half hour of the morning goes on things that have nothing to do with charts. The instrument is already chosen and has been for weeks, which removes the most time consuming decision from the day. What remains is checking whether anything scheduled falls inside the session, glancing at how the instrument behaved overnight, and noting whether the previous few sessions have been unusually quiet or unusually wide.
That last check matters more than it looks. A sense of what normal is for this instrument this week is the reference every later judgement gets measured against, and it cannot be acquired at the moment it is needed. It has to be carried in from the days before.
The Range Period

The opening stretch is spent watching and writing nothing down until it ends. Price moves quickly at first, settles somewhat, then makes a second push that takes it to a new extreme with a few minutes left. By the end of the period the range is wider than it looked like being, and it formed in two distinct episodes rather than one.
The urge during this stretch is to act early, because the direction seems obvious well before the period closes. It is obvious in the sense that a coin that has come up heads twice seems to be a heads coin. Sitting through it is not passive. It is the active part of the morning, and the fact that it looks like inactivity is exactly what makes it difficult.
The Break
The range breaks upward a few minutes after the period ends. There is nothing to decide at this point, which is the whole purpose of having decided earlier. The entry level was defined by the range, the stop sits at the opposite edge, and the position size follows from the distance between them and the amount being risked. The arithmetic takes seconds because it was set up to.
What does require a moment is checking the range height against the reference formed earlier in the morning. If the range had come out unusually tall, the honest answer would have been to reduce size or skip, and that check has to happen here rather than after the position exists, when it stops being a check and becomes a rationalisation.
The Long Middle
The hours after entry are the least eventful and the most demanding. Price moves in the intended direction, stalls for a stretch long enough to feel like failure, drifts back partway toward the entry, and then resumes. None of that requires a decision, and the difficulty is entirely in not making one.
This is where a plan written in the morning either holds or quietly gets replaced. A stop that was defined at the opposite edge of the range is a long way off, and every hour it sits there it looks more like negligence and less like a plan. Moving it closer feels like risk management and is actually a change of strategy made mid trade, on the basis of discomfort rather than information.
The Close
The final stretch brings the one decision the morning did not settle, which is whether to exit on the target, on the clock, or on some judgement about how the move looks. On this session the target is not reached and the position is closed before the bell, because the strategy does not hold overnight and a position that must be closed is better closed with time in hand than at the last possible moment.
Afterwards the record takes a few minutes. Range height, how it formed, entry, exit, and one line on anything that felt difficult. The last item is the one most often skipped and the one that pays, because a session that felt wrong while being technically correct is the earliest signal that something about the plan is not survivable in practice. The day ends without any conclusion drawn from it, which is appropriate, because a single session is not evidence of anything.