Is it a bad idea to draw a polygon locally on the top side of two sided PCB as an alternative to proper solid power plane and star routing and place decoupling capacitors like this:
This is how my board looks now. Main 3.3V power net is highlighted. Small polygon on the bottom layer right in the middle is local 1V power plane. Top-right IC is 1V linear regulator. Large thermal pad should be stitched with ground plane. Please don't pay attention to vias close to power pads.
Both ground planes are filled: