The emergence of bio-digital organisms represents a major convergence between computational intelligence, advanced synthetic biology, and systems-level bioengineering, where algorithmic frameworks extend beyond theoretical simulation and actively participate in the structural design, dynamic modeling, and functional organization of living biological systems at multiple scales, integrating computational logic with biological processes in a tightly coupled system. This integration reflects a shift from purely observational biological computing toward interactive and adaptive systems in which digital logic and molecular processes co-evolve in tightly coupled environments, enabling new forms of engineered life that respond dynamically to environmental, genetic, and computational inputs, while also allowing real-time feedback loops that enhance system stability, adaptability, and functional precision across multiple biological scales. This paradigm integrates biological eng...