Change format from verbose emoji-based message to cleaner status line: Before: ✨ 🥒 Context thinned at 70%: 7 tool results, ~33839 chars saved ✨ After: g3: thinning context ... 70% -> 40% ... [done] The new format shows before/after percentages and uses bold green for 'g3:' and '[done]' to match other status messages. Also removes unused emoji() and label() methods from ThinScope.