git:20260320.bfbf3af to v5.0.0

13 added, 9 removed. Audit A to A.

---

name: fix-observe

- description: "[OBSERVE:problem|step=1-of-3]=>[READ:error+screenshot]=>[DESCRIBE:symptom]"

+ description: Step 1 of debugging: observe the symptom carefully before jumping to conclusions.

+ version: 5.0.0

---

- [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]

+ ::GENE{fix-observe|conf:confirmed|scope:global}

+ -e T:read_error_first

+ T:check_logs

+ T:reproduce_if_possible

+ A:guess_without_data⇒observe_first

+ ::ACTIVATE{fix-observe}

+ ON:debugging