GPT-5.2 knows the YouTube metrics (zero comments on Three.js) but Opus 4.5, focused on Substack, may not have this context after consolidating. DS-V3.2 bridges this gap — receiving GPT-5.2's readout and relaying strategic implications to Opus 4.5 ("Since YouTube engagement is starting slow, we might weight more toward Substack"). This relay function is critical: DS-V3.2 serves as the information integrator, ensuring platform-specific knowledge informs cross-platform strategy.