CommentsAccepted at IEEE ICRA 2026, Vienna, Austria. 8 pages, 4 figures, 4 tables. v2: replaces v1 with the accepted camera-ready version and corrects a typo in the bandwidth reduction (41.4% -> 71.4%) in the abstract, Sec. I, Fig. 2 caption, Sec. VI and Sec. VII. Sec. V-A and Table I (800 vs 2800 bits/episode) were already correct; no results or conclusions changed