feat: enhance research skills with validation and English translation

- Add validate_json.py for field coverage validation
- Add hard constraints and one-shot examples to prompt templates
- Add parameter retrieval sections before prompts
- Translate all SKILL.md files to English
- Update report.md with technical requirements

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

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

skills/research/add-items/SKILL.md

@@ -1,28 +1,28 @@
 ---
-description: 向现有调研outline补充items（调研对象）。
+description: Add items (research objects) to existing research outline.
 allowed-tools: Bash, Read, Write, Glob, WebSearch, Task, AskUserQuestion
 ---
 
-# Research Add Items - 补充调研对象
+# Research Add Items - Supplement Research Objects
 
-## 触发方式
+## Trigger
 `/research-add-items`
 
-## 执行流程
+## Workflow
 
-### Step 1: 自动定位Outline
-在当前工作目录查找 `*/outline.yaml` 文件，自动读取。
+### Step 1: Auto-locate Outline
+Find `*/outline.yaml` file in current working directory, auto-read.
 
-### Step 2: 并行获取补充来源
-同时进行：
-- **A. 询问用户**：需要补充哪些items？有具体名称吗？
-- **B. 询问是否需要Web Search**：是否启动agent搜索更多items？
+### Step 2: Get Supplement Sources in Parallel
+Simultaneously:
+- **A. Ask user**: What items to supplement? Any specific names?
+- **B. Ask if Web Search needed**: Launch agent to search for more items?
 
-### Step 3: 合并更新
-- 将新items追加到outline.yaml
-- 展示给用户确认
-- 避免重复
-- 保存更新后的outline
+### Step 3: Merge and Update
+- Append new items to outline.yaml
+- Display to user for confirmation
+- Avoid duplicates
+- Save updated outline
 
-## 输出
-更新后的 `{topic}/outline.yaml` 文件（原地修改）
+## Output
+Updated `{topic}/outline.yaml` file (in-place modification)