ci: add GitHub workflows for issue handling and update Go setup

Add new workflows:
- issue-reply.yml: Automatically greet new issue creators
- stale.yml: Handle stale issues and PRs with automated warnings/closures
Update ci.yml to use go-version-file instead of hardcoded Go version

generated by llmgit

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.23'
+          go-version-file: 'go.mod'
           cache: true
 
       - name: Download dependencies

.github/workflows/issue-reply.yml

@@ -0,0 +1,49 @@
+name: Issue Reply
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  greet:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: Greet new issue
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const issue = context.payload.issue;
+            const author = issue.user.login;
+
+            // 检查是否是首次提 issue
+            const { data: issues } = await github.rest.issues.listForRepo({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              creator: author,
+              state: 'all'
+            });
+
+            const isFirstIssue = issues.length === 1;
+
+            let comment;
+            if (isFirstIssue) {
+              comment = `👋 Hi @${author}! Thanks for opening your first issue here!
+
+We'll review it as soon as possible. While waiting, please make sure:
+- You've provided enough details about the issue
+- Any error messages are included in full
+- For feature requests, describe your use case
+
+Thanks for your feedback!`;
+            } else {
+              comment = `👋 Thanks @${author} for opening this issue! We'll take a look soon.`;
+            }
+
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: issue.number,
+              body: comment
+            });

.github/workflows/stale.yml

@@ -0,0 +1,44 @@
+name: Stale Issue Handler
+
+on:
+  schedule:
+    - cron: '0 0 * * *'  # 每天运行一次
+  workflow_dispatch:  # 手动触发
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          # Issue settings
+          stale-issue-message: |
+            ⚠️ This issue has been inactive for 30 days.
+
+            If this is still relevant, please add a comment; otherwise it will be closed in 7 days.
+          close-issue-message: |
+            🔒 This issue has been automatically closed due to inactivity.
+
+            If this is still relevant, feel free to reopen or create a new issue.
+          stale-issue-label: 'stale'
+          days-before-issue-stale: 30
+          days-before-issue-close: 7
+
+          # PR settings
+          stale-pr-message: |
+            ⚠️ This PR has been inactive for 60 days.
+
+            If this change is still needed, please update the code or add a comment; otherwise it will be closed in 7 days.
+          close-pr-message: |
+            🔒 This PR has been automatically closed due to inactivity.
+          stale-pr-label: 'stale'
+          days-before-pr-stale: 60
+          days-before-pr-close: 7
+
+          # 豁免标签
+          exempt-issue-labels: 'pinned,security,enhancement'
+          exempt-pr-labels: 'pinned,security'