feat: add issue templates for bug reports, feature requests (#1036)

* feat: add issue templates for bug reports, feature requests and RFC

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

* feat: add issue management workflow for auto-labeling and stale cleanup

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

* feat: adapt issue templates and workflow for plugin repo context

- Remove RFC template (not needed for plugin repo)

- Remove 问题类型/功能改进类型 dropdowns

- Update workflow label rules to match simplified templates

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

---------

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

.github/workflows/issues.yml

@@ -0,0 +1,144 @@
+name: Close inactive issues
+on:
+  workflow_dispatch:
+
+  issues:
+    types: [opened, edited]
+
+  schedule:
+    - cron: "0 18 * * *"
+
+jobs:
+  label-opened-issue:
+    if: github.event_name == 'issues'
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            const issue = context.payload.issue;
+            const title = issue.title || '';
+            const body = issue.body || '';
+            const currentLabels = (issue.labels || []).map((label) => label.name);
+
+            // 网页 Issue Form 已经会自动带模板 labels；这里只兜底处理
+            // API 创建或异常路径产生的无 label issue，避免重复补标。
+            if (currentLabels.length > 0) {
+              core.info(`Issue #${issue.number} already has labels: ${currentLabels.join(', ')}`);
+              return;
+            }
+
+            const hasAllMarkers = (markers) => markers.every((marker) => body.includes(marker));
+            const labelRules = [
+              {
+                label: 'bug',
+                titlePrefix: '[错误报告]:',
+                markers: ['### 当前程序版本', '### 运行环境', '### 问题描述'],
+              },
+              {
+                label: 'feature request',
+                titlePrefix: '[Feature Request]:',
+                markers: ['### 当前程序版本', '### 运行环境', '### 功能改进'],
+              },
+            ];
+
+            const matched = labelRules.find((rule) => (
+              title.startsWith(rule.titlePrefix) || hasAllMarkers(rule.markers)
+            ));
+
+            if (!matched) {
+              core.info(`Issue #${issue.number} does not match known issue templates.`);
+              return;
+            }
+
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: issue.number,
+              labels: [matched.label],
+            });
+            core.info(`Added label "${matched.label}" to issue #${issue.number}.`);
+
+  label-unlabeled-issues:
+    if: github.event_name != 'issues'
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            const labelRules = [
+              {
+                label: 'bug',
+                titlePrefix: '[错误报告]:',
+                markers: ['### 当前程序版本', '### 运行环境', '### 问题描述'],
+              },
+              {
+                label: 'feature request',
+                titlePrefix: '[Feature Request]:',
+                markers: ['### 当前程序版本', '### 运行环境', '### 功能改进'],
+              },
+            ];
+
+            const hasAllMarkers = (body, markers) => markers.every((marker) => body.includes(marker));
+            const getMatchedRule = (issue) => {
+              const title = issue.title || '';
+              const body = issue.body || '';
+              return labelRules.find((rule) => (
+                title.startsWith(rule.titlePrefix) || hasAllMarkers(body, rule.markers)
+              ));
+            };
+
+            // Search API 支持 no:label 查询；issues.listForRepo 的 labels=none
+            // 会被当作名为 none 的标签，不能用于扫描无 label issue。
+            const query = `repo:${context.repo.owner}/${context.repo.repo} is:issue is:open no:label`;
+            for await (const response of github.paginate.iterator(github.rest.search.issuesAndPullRequests, {
+              q: query,
+              per_page: 100,
+            })) {
+              for (const issue of response.data) {
+                if (issue.pull_request) {
+                  continue;
+                }
+
+                const matched = getMatchedRule(issue);
+                if (!matched) {
+                  continue;
+                }
+
+                await github.rest.issues.addLabels({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue.number,
+                  labels: [matched.label],
+                });
+                core.info(`Added label "${matched.label}" to issue #${issue.number}.`);
+              }
+            }
+
+  close-issues:
+    if: github.event_name != 'issues'
+    needs: label-unlabeled-issues
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v5
+        with:
+          # 标记 stale 标签时间
+          days-before-issue-stale: 30
+          # 关闭 issues 标签时间
+          days-before-issue-close: 14
+          # 自定义标签名
+          stale-issue-label: "stale"
+          stale-issue-message: "此问题已过时，因为它已打开 30 天且没有任何活动。"
+          close-issue-message: "此问题已关闭，因为它在标记为 stale 后，已处于无更新状态 14 天。"
+          # 忽略所有的 Pull Request，只处理 Issue
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          operations-per-run: 500
+          repo-token: ${{ secrets.GITHUB_TOKEN }}