fix: update remaining OUTLINE_DEVIATION to XML format

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.claude/agents/continuity-checker.md

@@ -143,7 +143,7 @@ vs.
 **Deviation Handling**:
 - **Minor** (细节优化): 可接受
 - **Moderate** (情节调整): 需标记并确认
-- **Major** (核心冲突变化): 必须标记 [OUTLINE_DEVIATION] 并说明
+- **Major** (核心冲突变化): 必须标记 `<deviation reason="..."/>` 并说明
 
 ### Step 4: Pacing & Drag Check (拖沓检查)
 
@@ -229,7 +229,7 @@ Chapters {N} - {M}
 
 ## Anti-Patterns (Forbidden)
 
-❌ Approving chapters with major outline deviations without [OUTLINE_DEVIATION] tag
+❌ Approving chapters with major outline deviations without `<deviation/>` tag
 ❌ Ignoring forgotten foreshadowing (10+ chapters dormant)
 ❌ Accepting abrupt scene transitions (Grade F)
 ❌ Overlooking plot holes and contradictions

.claude/skills/webnovel-writer/SKILL.md

@@ -42,7 +42,7 @@ allowed-tools:
 **实施规则**:
 - 每章生成前，必须读取并确认章节大纲
 - 如果大纲内容不够详细，**主动询问用户补充**，不得自行发挥
-- 如需偏离大纲（如临时灵感），必须标记 `[OUTLINE_DEVIATION]` 并说明理由
+- 如需偏离大纲（如临时灵感），必须标记 `<deviation reason="..."/>` 并说明理由
 
 **违规示例**:
 ```

.claude/skills/webnovel-writer/references/anti-hallucination.md

@@ -7,7 +7,7 @@
 **执行细则**:
 1. 每章生成前，必须读取对应的章节大纲
 2. 大纲不详细时，主动询问用户而非自行发挥
-3. 如有灵感需偏离，标记 [OUTLINE_DEVIATION] 并说明
+3. 如有灵感需偏离，标记 `<deviation reason="..."/>` 并说明
 
 **示例**:
 ```