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-fields/SKILL.md

@@ -1,30 +1,30 @@
 ---
-description: 向现有调研outline补充字段定义。
+description: Add field definitions to existing research outline.
 allowed-tools: Bash, Read, Write, Glob, WebSearch, Task, AskUserQuestion
 ---
 
-# Research Add Fields - 补充调研字段
+# Research Add Fields - Supplement Research Fields
 
-## 触发方式
+## Trigger
 `/research-add-fields`
 
-## 执行流程
+## Workflow
 
-### Step 1: 自动定位Fields文件
-在当前工作目录查找 `*/fields.yaml` 文件，自动读取现有fields定义。
+### Step 1: Auto-locate Fields File
+Find `*/fields.yaml` file in current working directory, auto-read existing fields definitions.
 
-### Step 2: 获取补充来源
-询问用户选择：
-- **A. 用户直接输入**：用户提供字段名称和描述
-- **B. Web Search搜索**：启动agent搜索该领域常用字段
+### Step 2: Get Supplement Source
+Ask user to choose:
+- **A. User direct input**: User provides field names and descriptions
+- **B. Web Search**: Launch agent to search common fields in this domain
 
-### Step 3: 展示并确认
-- 展示建议的新字段列表
-- 用户确认哪些字段需要添加
-- 用户指定字段分类和detail_level
+### Step 3: Display and Confirm
+- Display suggested new fields list
+- User confirms which fields to add
+- User specifies field category and detail_level
 
-### Step 4: 保存更新
-将确认的字段追加到fields.yaml，保存文件。
+### Step 4: Save Update
+Append confirmed fields to fields.yaml, save file.
 
-## 输出
-更新后的 `{topic}/fields.yaml` 文件（原地修改，需用户确认）
+## Output
+Updated `{topic}/fields.yaml` file (in-place modification, requires user confirmation)