Update main.tex to tighten internal spacing and list formatting: add \usepackage{enumitem}, set compact float spacing (\textfloatsep, \floatsep, \intextsep, \abovecaptionskip, \belowcaptionskip), and configure \setlist for denser lists; enable \raggedbottom. Adjust figure include to 0.995\textwidth with trim+clip to avoid overfull boxes. Make small editorial tweaks ("time-step" hyphenation and minor rephrasing in the Conclusion). Recompiled artifacts (main.aux, main.log, main.pdf) were also updated.
Shorten the subsection title in the document TOC from "Joint optimization and end-to-end sampling" to "Joint optimization and sampling". Regenerated build artifacts (main.aux, main.log and main.pdf) to reflect the change; log timestamp and output size updated as part of the rebuild.
