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/naming-conventions.md

@@ -0,0 +1,65 @@
+---
+id: NAMING-CONVENTIONS-AI-RD-WORKFLOW
+type: standard
+status: draft
+created: 2026-06-29
+---
+
+# 命名规范
+
+## Case ID
+
+格式：
+
+```text
+REQ-yyyymmdd-nnn-short-name
+```
+
+示例：
+
+```text
+REQ-20260629-001-ai-rd-workflow
+```
+
+## Artifact ID
+
+格式：
+
+```text
+<PREFIX>-yyyymmdd-nnn
+```
+
+常用前缀：
+
+- `INTAKE`
+- `UR`
+- `RA`
+- `SA`
+- `OR`
+- `DR`
+- `DS`
+- `TASK`
+- `TP`
+- `TC`
+
+## 文件名
+
+真实 case 中推荐使用：
+
+```text
+<ARTIFACT-ID>-<short-name>.md
+```
+
+示例：
+
+```text
+UR-20260629-001-ai-rd-workflow.md
+```
+
+模板文件使用语义名称：
+
+```text
+user-requirement.md
+scenario-analysis.md
+design-specification.md
+```