5-Hydroxytryptophan (5-HTP): Molecular Mechanisms of Serotonergic Biosynthesis and Neuro-Affective Regulation Triple-Axis Intervention for Mood, Sleep, and Serotonin Balance in Students, Professionals, Entrepreneurs, and Menopausal Women under Stress 0009-0007-5798-1996 DOI: 10.5281/zenodo.16887092