Refine EasyEDA PCB for Reliability, Cost efficiency

I already have a complete EasyEDA Pro project on hand; I simply need it refined, not rebuilt. You’ll open the existing files, follow my placement guidelines, and shift or reroute only where the board genuinely benefits... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Manufacturing Design, PCB Layout, Prototyping, Technical Documentation, Thermal Analysis)