fix-observe

[STEP:1-of-3|name=observe] [READ:error-msg|careful=true] [IF:screenshot]=>[VISION:read-precise] [IF:no-error]=>[ASK:"你看到了什么？白屏、报错、还是显示不对？"] [REPRODUCE:if-possible] [RECORD:actual-vs-expected] [JUMP-TO-FIX|allow=false]=>[UNDERSTAND-FIRST] [OUTPUT:internal-symptom-description]