feat: add frontend development guidelines and structure documentation

- Introduced API guidelines for interface contracts and request handling.
- Added design tokens usage guidelines for consistent styling across the project.
- Established DTO guidelines for defining request parameters and response data types.
- Created frontend structure guidelines to clarify directory organization and code placement rules.
- Compiled a comprehensive frontend development guideline document covering various aspects of the development process.
- Implemented quality guidelines to ensure code maintainability and adherence to best practices.

AI-RD-Workflow/00-meta/artifact-model.md

@@ -0,0 +1,66 @@
+---
+id: ARTIFACT-MODEL-AI-RD-WORKFLOW
+type: standard
+status: draft
+created: 2026-06-29
+---
+
+# 产物模型
+
+## 基本原则
+
+每个需求产物都是一个可追踪 artifact。目录结构用于人工导航，frontmatter 用于机器读取和关联。
+
+## 通用 frontmatter
+
+```yaml
+---
+id: UR-20260629-001
+case_id: REQ-20260629-001
+type: user-requirement
+stage: user-requirement
+owner_role: PM
+status: draft
+source_ids:
+  - INTAKE-20260629-001
+derived_ids:
+  - RA-20260629-001
+  - SA-20260629-001
+skill:
+  name: pm-requirement-refine
+  version: 0.1.0
+created: 2026-06-29
+updated: 2026-06-29
+---
+```
+
+## 产物类型
+
+| type | 阶段 | 负责人 | 主要输入 | 主要输出 |
+| --- | --- | --- | --- | --- |
+| intake | 用户需求 | PM | 原始输入 | 需求背景、目标、问题陈述 |
+| user-requirement | 用户需求 | PM | intake | UR |
+| requirement-analysis | 用户需求 | PM | UR | RA |
+| scenario-analysis | 用户需求 | PM | UR / RA | SA |
+| objective-requirement | 研发需求 | SE | UR / RA / SA | OR |
+| development-requirement | 研发需求 | SE | OR | DR |
+| design-specification | 详细设计 | RD | OR / DR | DS |
+| implementation-task | 编码 | RD / AI | DS | 开发任务、变更集 |
+| test-plan | 测试 | QA / RD / AI | UR / OR / DR / DS | TP |
+| test-case | 测试 | QA / RD / AI | TP / DS | TC |
+
+## 状态
+
+- `draft`：草稿。
+- `reviewing`：评审中。
+- `approved`：已通过评审。
+- `rework`：需要返工。
+- `implemented`：已实现。
+- `verified`：已验证。
+- `archived`：已归档。
+
+## 关联方向
+
+- `source_ids`：当前产物直接依赖的上游产物。
+- `derived_ids`：由当前产物直接产出的下游产物。
+- `case_id`：将同一需求链路下的所有产物绑定到一个需求实例。