Placement of sofa
Put it by the east wall, and the lighting will not affect it. Make a semi-partition or breathable partition where the sofa is now placed to put the TV. Or build a one-meter-high wall behind the sofa, or make a cabinet. Sofas in these two places will not be affected by reflection.
Utilization of the right side wall of the entrance door
The concave wall on the right side of your entrance door can be made into an embedded closet, which can be used as a wardrobe.
Changes of toilet pattern
No, the layout of the bathroom mainly depends on the position of the toilet, which is difficult to change. If it is split in two, on the one hand, it will affect the use of the toilet, on the other hand, it will be crowded and uncomfortable.
Geomantic layout
As for feng shui, your room faces east and west, and the north and south are transparent. Eight diagrams belong to the earthquake palace, five elements belong to wood, water likes the afterlife, and wood likes helping others. Avoid gold and Tired Ofthe Fire, fish tanks and plants should be placed. The specific feng shui decoration needs to be judged according to the master's numerology. This is a family classification. If you are particularly meticulous about geomantic omen, then you can go to the folk classification and ask.