feat: add issue and pull request templates for better contribution guidelines

Author: peixl

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,73 @@
+name: Bug report
+description: Report a bug, regression, or content problem / 提交 Bug、回归或内容问题
+title: "[Bug]: "
+labels:
+  - bug
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for reporting this issue.
+
+        感谢反馈问题。请尽量提供可复现信息，方便快速定位。
+
+  - type: dropdown
+    id: area
+    attributes:
+      label: Affected area / 影响范围
+      description: Which part is affected?
+      options:
+        - Docs / 文档
+        - UI / UX
+        - i18n / 多语言
+        - Generator / 提示词生成器
+        - Cloudflare deploy / Cloudflare 部署
+        - CI / GitHub Actions
+        - Other / 其他
+    validations:
+      required: true
+
+  - type: textarea
+    id: summary
+    attributes:
+      label: What happened? / 问题现象
+      description: Describe the bug clearly.
+      placeholder: Tell us what you expected and what actually happened.
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce / 复现步骤
+      description: Provide the smallest reproducible steps.
+      placeholder: |
+        1. Go to ...
+        2. Click ...
+        3. See error ...
+    validations:
+      required: true
+
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment / 环境信息
+      description: Browser, OS, device, deployment environment, etc.
+      placeholder: Windows 11, Chrome 136, Cloudflare Workers, main branch
+    validations:
+      required: true
+
+  - type: textarea
+    id: evidence
+    attributes:
+      label: Logs, screenshots, or links / 日志、截图或链接
+      description: Paste relevant errors, screenshots, or page links.
+      render: shell
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Checklist / 检查清单
+      options:
+        - label: I searched existing issues first / 我已先搜索现有 issue
+        - label: I can still reproduce this on the latest main / 最新 main 上仍可复现

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,67 @@
+name: Feature request
+description: Suggest an improvement for UX, content, docs, or workflow / 提交体验、内容、文档或流程优化建议
+title: "[Feature]: "
+labels:
+  - enhancement
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Share the user problem first, then the proposed solution.
+
+        请优先描述用户问题，再描述你建议的方案。
+
+  - type: dropdown
+    id: area
+    attributes:
+      label: Area / 领域
+      options:
+        - Docs / 文档
+        - UI / UX
+        - i18n / 多语言
+        - Lessons / 教程内容
+        - Generator / 提示词生成器
+        - Build / Deploy
+        - CI / GitHub Actions
+        - Other / 其他
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: User problem / 用户问题
+      description: What friction, confusion, or missing value are users facing?
+      placeholder: Describe the user pain point.
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed solution / 建议方案
+      description: What change would improve the experience?
+      placeholder: Describe the improvement you want to see.
+    validations:
+      required: true
+
+  - type: textarea
+    id: outcome
+    attributes:
+      label: Expected outcome / 预期效果
+      description: What should become easier, clearer, or more reliable?
+      placeholder: Explain the expected user-facing result.
+
+  - type: textarea
+    id: references
+    attributes:
+      label: References / 参考信息
+      description: Add screenshots, examples, links, or related issues.
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Checklist / 检查清单
+      options:
+        - label: This request is focused on one clear improvement / 这个建议聚焦于一个明确改进点
+        - label: I checked whether this is already covered in docs or issues / 我已检查文档或现有 issue 中是否已覆盖

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,38 @@
+## Summary / 概要
+
+- What changed?
+- 这次改动解决了什么问题？
+
+## Why / 背景
+
+- Why is this change needed?
+- 这项改动想改善什么用户体验、流程或稳定性？
+
+## Scope / 范围
+
+- [ ] Docs / 文档
+- [ ] UI / UX
+- [ ] i18n / 多语言
+- [ ] Build / CI / Deploy
+- [ ] Content / 教程内容
+- [ ] Other / 其他
+
+## Validation / 验证
+
+- [ ] `npm run build`
+- [ ] Manual smoke test / 手动冒烟验证
+- [ ] Screenshots attached when UI changed / UI 改动已附截图
+
+Validation notes / 验证说明:
+
+## Risks / 风险
+
+- Any known risks, tradeoffs, or follow-up work?
+- 是否有已知风险、权衡或后续待办？
+
+## Checklist / 检查清单
+
+- [ ] I tested the changed behavior locally
+- [ ] 我已检查文案、链接和中英文内容是否一致
+- [ ] I updated docs when needed
+- [ ] 我确认没有提交本地构建产物或临时文件

.github/workflows/ci.yml

@@ -1,6 +1,7 @@
 name: CI
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
@@ -11,6 +12,9 @@ on:
 permissions:
   contents: read
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 concurrency:
   group: ci-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true