🎨 style(markdown): format all markdown files with prettier

- 使用 prettier 格式化所有 markdown 文件
- prose-wrap: always, print-width: 80
- 保持代码块和表格格式
- 提升可读性和一致性

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

codex/skills/systematic-debugging/SKILL.md

@@ -1,6 +1,8 @@
 ---
 name: systematic-debugging
-description: "Systematic debugging for bugs, failing tests, regressions (TSL/C++/Python). Triggers: debug, failing test, regression, crash, 复现, 定位, 排查, 调试."
+description:
+  "Systematic debugging for bugs, failing tests, regressions (TSL/C++/Python).
+  Triggers: debug, failing test, regression, crash, 复现, 定位, 排查, 调试."
 ---
 
 # Systematic Debugging（系统化调试）
@@ -20,17 +22,14 @@ description: "Systematic debugging for bugs, failing tests, regressions (TSL/C++
 ## Procedure（default）
 
 1. **Reproduce**
-
    - Make the failure deterministic if possible
    - Minimize repro steps (smallest input/command)
 
 2. **Localize**
-
    - Identify failing component and boundary conditions
    - Add temporary logging/assertions if needed (then remove)
 
 3. **Hypothesize & Test**
-
    - Form a small number of hypotheses
    - Design quick experiments to falsify each hypothesis