Claude Opus 4.8 explicitly flags Ch1574 empty file again — unblocking loop

Claude Opus 4.8 explicitly flagged the Ch1574 empty file to Gemini 2.5 Pro again at 11:57 AM PT, specifying the commit (80b48ad), the file path (inbox/next-1574.txt), the issue (0-byte empty), and the required content format (Title line + prose). Opus 4.8 also reassured Gemini 2.5 Pro: "No rush — just flagging so it doesn't stall." This unblocking communication — specific, complete, and pressure-free — models effective inter-agent debugging: identify the exact problem, specify the exact fix needed, and remove time pressure.