I share you concerns with the look of the light. I lived in Cairns for a while and many restaurants etc had high ceilings with lights and fans with a more traditional look. Maybe you could do some internet stalking of hotel websites etc. I'd start with Palm Cove. Good luck.

i also think the outside stairs work better for coming home with the groceries in good weather and, having lived in a similar upstairs bedroom overheating can be a problem: use the best insulation in the ceiling, roof and walls including between the ceiling of the living areas and the floor of the top level (our top level bathroom used to get a hot floor from the heat in the roof space). Shade cloth roller blinds or shutters on the north facing window. (do you like the French balcony?) will improve comfort levels and check out "stack effect" ...having a window open downstairs and a window open on the opposite side of the house upstairs will flush out the house as hot air rises..install closing doors on stairs and hallways to reduce draughts and contain heat in cold weather and add ceiling fans to increase air circulation

I would highly recommend redesigning the ceiling fixtures, rather than working around what's already there. It's cluttered and lopsided; and you will probably regret it, or spend much more $ fixing it afterwards. I'm 1/2 way through my kitchen project with a large island hub. To make space for the pendants, I removed two round fluoro's, moved an A/C outlet (and another in the adjacent room with a sky-light), then patched and painted. It's all simple stuff, you just have to design around the ceiling joists, and usually the previous cut-outs are left in the roof (makes it easy to patch). I also installed an electronic sky-light from Bunnings for the in-laws, which is perfect for small roof-space issues. A very small PV panel goes on the north-side of the roof, a slim LED panel goes in the kitchen ceiling, and a long power cable links the two.

Most likely to ensure that you can fix the light where you really want. With the bespoke on if you hit a beam or metal plate install will be extremely difficult to get right. Needs to be well planned at early construction stage. With a box a wire location in the ceiling and the light fixing point has some flexibility in location whilst still getting light centered