docs(skill): 补充 PR review 技能触发词

- 补充 `fix pr review` 与 `Use FPR` 作为 `gframework-pr-review` 的快捷触发示例
- 更新 skill 示例列表，降低 PR 审查场景下的调用门槛

.codex/skills/gframework-pr-review/SKILL.md

@@ -51,6 +51,8 @@ The script should produce:
 
 ## Example Triggers
 
+- 'fix pr review'
+- 'Use FPR'
 - `Use $gframework-pr-review on the current branch`
 - `Check the current PR and extract CodeRabbit suggestions`
 - `Look for Failed Tests on the PR page`