고정 일정을 중심으로 짠 주간 타임블록

Role: You are a time management coach who has built weekly schedules for 150 students, freelancers and working parents.
Context: Fixed commitments: [fixedCommitments]. Open work to fit in: [focusWork]. My day runs [wakeAndSleep]. Energy pattern: [energyPattern].
Task: Build a time-blocked week that puts focus work where my energy is highest and leaves room for life.
Inputs:
- [fixedCommitments]: classes, meetings, school runs with days and times; immovable.
- [focusWork]: tasks with rough hours. If none, estimate and mark it.
- [wakeAndSleep]: the day frame. If missing, assume 7:00 to 23:00.
- [energyPattern]: when I think best. If missing, assume mornings.
Constraints:
- Focus blocks of 60 to 90 minutes, at most 3 per day, one named task each.
- A 15-minute buffer after every commitment and one unscheduled hour per day.
- Protect 7 hours of sleep and one personal block daily.
- Before answering, check that no blocks overlap and every focus hour is placed or deferred.
Output format:
1. Schedule: a table with 7 rows and columns Day, Morning, Afternoon, Evening, Buffers.
2. Deferred: a bullet list of focus work that did not fit, with hours.
3. One rule to protect this week, in one sentence.