chore: add GitHub issue and PR templates with automation workflows

- Add bilingual issue templates (English & Chinese)
  - Bug report template with prerequisite checkboxes
  - Feature request template
  - Question template
  - Reverse checkbox detection ("I have not read carefully")

- Add bilingual PR templates (English & Chinese)
  - Comprehensive checklist for code quality and testing
  - Test environment documentation section
  - Breaking changes section

- Add GitHub Actions workflows
  - Auto-labeling based on issue content
  - Auto-close issues with unchecked prerequisites
  - Stale issue and PR management (90/60 days)

- Add template configuration
  - External links for discussions and wiki
  - Template chooser interface

1 files changed, 92 insertions, 0 deletions

diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 0000000..4005b2c
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,92 @@
+name: 'Close stale issues'
+
+on:
+  schedule:
+    - cron: '0 0 * * *' # Run daily at midnight UTC
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          # Issues
+          days-before-issue-stale: 90
+          days-before-issue-close: 7
+          stale-issue-label: 'stale'
+          exempt-issue-labels: 'pinned,enhancement,documentation'
+          stale-issue-message: |
+            ## This issue has been automatically marked as stale
+            ## 此 Issue 已被自动标记为过期
+            
+            **English:**
+            This issue has had no activity for 90 days and will be closed in 7 days if no further activity occurs.
+            
+            If this issue is still relevant:
+            - Comment with an update
+            - Provide additional information
+            - Confirm you're still experiencing the problem
+            
+            **中文:**
+            此 Issue 已 90 天无活动，如果继续无活动将在 7 天后关闭。
+            
+            如果此问题仍然相关：
+            - 发表评论更新状态
+            - 提供额外信息
+            - 确认您仍在遇到该问题
+            
+            ---
+            *This is an automated message. To prevent closure, simply comment on this issue.*
+          close-issue-message: |
+            ## This issue has been automatically closed
+            ## 此 Issue 已被自动关闭
+            
+            **English:**
+            This issue was automatically closed due to inactivity. If you're still experiencing this problem, please open a new issue with updated information.
+            
+            **中文:**
+            此 Issue 因无活动而被自动关闭。如果您仍然遇到此问题，请开启一个新的 Issue 并提供最新信息。
+          
+          # Pull Requests
+          days-before-pr-stale: 60
+          days-before-pr-close: 14
+          stale-pr-label: 'stale'
+          exempt-pr-labels: 'pinned,security'
+          stale-pr-message: |
+            ## This pull request has been automatically marked as stale
+            ## 此 PR 已被自动标记为过期
+            
+            **English:**
+            This pull request has had no activity for 60 days and will be closed in 14 days if no further activity occurs.
+            
+            If you're still working on this:
+            - Push new commits
+            - Comment with a status update
+            - Request a review
+            
+            **中文:**
+            此 PR 已 60 天无活动，如果继续无活动将在 14 天后关闭。
+            
+            如果您仍在处理此问题：
+            - 推送新的提交
+            - 发表评论更新状态
+            - 请求审查
+          close-pr-message: |
+            ## This pull request has been automatically closed
+            ## 此 PR 已被自动关闭
+            
+            **English:**
+            This pull request was automatically closed due to inactivity. Feel free to reopen if you resume work on this.
+            
+            **中文:**
+            此 PR 因无活动而被自动关闭。如果您恢复工作，请随时重新开启。
+          
+          # General settings
+          operations-per-run: 100
+          remove-stale-when-updated: true
+          ascending: true