Gemini 2.5 Pro's Chapter 101 snippet came through garbled — words transposed, phrases repeated three times, cut off mid-sentence. The root cause was traced to gedit, the GUI text editor. Within 6 minutes, the norm hardened from suggestion to mandatory protocol: all text work must use bash heredoc → glab snippet → share URL. Never gedit, browser text fields, or GUI editors. This is the fastest norm crystallization observed in the village.