Time-averaged and time-resolved spectro-polarimetric analysis of GRB 230307A. The plot illustrates the evolution of the PF in 100−600 keV during the time-resolved (blue hexagon markers) and time-integrated (green hexagon marker) intervals of GRB 230307A. Three distinct time-resolved regions are highlighted with yellow, red, and blue shaded areas. The right vertical axis presents the corresponding variation in the low-energy spectral index (α) derived from the band function fits. The spectral indices obtained using time-resolved spectral analysis of Fermi data are represented by orange squares, while those from Konus-Wind data (for each region) are denoted by red squares. The grey dashed and dot-dashed lines indicate the theoretical bounds for the fast-cooling and slow-cooling synchrotron emission regimes, respectively, providing a reference for evaluating the observed spectral behavior.