diff --git a/.github/workflows/issue-manage.yml b/.github/workflows/issue-manage.yml
index 6bae7ff..0467fd6 100644
--- a/.github/workflows/issue-manage.yml
+++ b/.github/workflows/issue-manage.yml
@@ -6,8 +6,6 @@ permissions:
 on:
   issues:
     types: [opened, labeled]
-  issue_comment:
-    types: [created]
 
 jobs:
   welcome-new-issues:
@@ -28,61 +26,6 @@ jobs:
             - 💬 加入[QQ交流群](https://qm.qq.com/q/TpeP9Uv2yk) 
             - 🔍 搜索[现有issues](https://github.com/neteasecloudmusicapienhanced/api-enhanced/issues) 看是否有类似问题
 
-  triage:
-    runs-on: ubuntu-latest
-    permissions:
-      id-token: write
-      contents: write
-      pull-requests: write
-      issues: write
-    steps:
-      - name: Check account age
-        id: check
-        uses: actions/github-script@v7
-        with:
-          script: |
-            const user = await github.rest.users.getByUsername({
-              username: context.payload.issue.user.login
-            });
-            const created = new Date(user.data.created_at);
-            const days = (Date.now() - created) / (1000 * 60 * 60 * 24);
-            return days >= 30;
-          result-encoding: string
-
-      - name: Generate bot token
-        id: token
-        uses: actions/create-github-app-token@v1
-        with:
-          app-id: ${{ secrets.APP_ID }}
-          private-key: ${{ secrets.APP_PRIVATE_KEY }}
-          owner: ${{ github.repository_owner }}
-
-      - name: Checkout
-        uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-          token: ${{ steps.token.outputs.token }}
-
-      - name: Configure git identity
-        run: |
-          git config --global user.name "takanashi-hoshino-agent[bot]"
-          git config --global user.email "takanashi-hoshino-agent[bot]@users.noreply.github.com"
-
-      - name: Run opencode
-        uses: anomalyco/opencode/github@latest
-        env:
-          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
-          GITHUB_TOKEN: ${{ steps.token.outputs.token }}
-        with:
-          model: opencode/deepseek-v4-flash-free
-          use_github_token: true
-          prompt: |
-            Review this issue. If there's a clear fix or relevant docs:
-            - Provide documentation links
-            - Add error handling guidance for code examples
-            Otherwise, do not comment.
-            ${{ secrets.OPENCODE_PROMPT }}
-
   stale-issues:
     if: github.event.action == 'opened'
     runs-on: ubuntu-latest
diff --git a/.github/workflows/opencode-auto.yml b/.github/workflows/opencode-auto.yml
new file mode 100644
index 0000000..eadcf95
--- /dev/null
+++ b/.github/workflows/opencode-auto.yml
@@ -0,0 +1,59 @@
+name: OpenCode Automation
+
+on:
+  issues:
+    types: [opened]
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+concurrency:
+  group: auto-${{ github.event.issue.number || github.event.pull_request.number }}
+  cancel-in-progress: false
+
+jobs:
+  automate:
+    # 排除机器人自己的触发，防止自我循环
+    if: |
+      github.actor != 'takanashi-hoshino-agent[bot]' &&
+      github.actor != 'github-actions[bot]' &&
+      github.actor != 'opencode-agent[bot]'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Generate bot token
+        id: token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          token: ${{ steps.token.outputs.token }}
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 22
+
+      - name: Install opencode
+        run: npm i -g opencode-ai@latest
+
+      - name: Run automation
+        env:
+          GITHUB_TOKEN: ${{ steps.token.outputs.token }}
+          MODEL: opencode/deepseek-v4-flash-free
+          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
+          ISSUE_PROMPT: ${{ secrets.OPENCODE_PROMPT }}
+          PR_PROMPT: |
+            ${{ secrets.OPENCODE_PROMPT }}
+            ${{ secrets.PR_REVIEW_PROMPT }}
+        run: node scripts/opencode-automation.mjs
diff --git a/.github/workflows/opencode.yml b/.github/workflows/opencode.yml
index 5d289db..9972ac7 100644
--- a/.github/workflows/opencode.yml
+++ b/.github/workflows/opencode.yml
@@ -14,10 +14,13 @@ permissions:
 jobs:
   bot:
     if: |
-      contains(github.event.comment.body, ' /oc') ||
-      startsWith(github.event.comment.body, '/oc') ||
-      contains(github.event.comment.body, ' /opencode') ||
-      startsWith(github.event.comment.body, '/opencode')
+      (contains(github.event.comment.body, ' /oc') ||
+       startsWith(github.event.comment.body, '/oc') ||
+       contains(github.event.comment.body, ' /opencode') ||
+       startsWith(github.event.comment.body, '/opencode')) &&
+      github.actor != 'opencode-agent[bot]' &&
+      github.actor != 'takanashi-hoshino-agent[bot]' &&
+      github.actor != 'github-actions[bot]'
     runs-on: ubuntu-latest
     permissions:
       contents: read
diff --git a/.github/workflows/reviewer.yml b/.github/workflows/reviewer.yml
deleted file mode 100644
index f6818eb..0000000
--- a/.github/workflows/reviewer.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-name: PR Reviewer
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
-
-permissions:
-  contents: write
-  issues: write
-  pull-requests: write
-
-jobs:
-  review:
-    runs-on: ubuntu-latest
-    permissions:
-      id-token: write
-      contents: read
-      pull-requests: read
-      issues: read
-    steps:
-      - name: Generate bot token
-        id: token
-        uses: actions/create-github-app-token@v1
-        with:
-          app-id: ${{ secrets.APP_ID }}
-          private-key: ${{ secrets.APP_PRIVATE_KEY }}
-          owner: ${{ github.repository_owner }}
-
-      - name: Checkout
-        uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-          token: ${{ steps.token.outputs.token }}
-
-      - name: Configure git identity
-        run: |
-          git config --global user.name "takanashi-hoshino-agent[bot]"
-          git config --global user.email "takanashi-hoshino-agent[bot]@users.noreply.github.com"
-
-      - name: Run opencode
-        uses: anomalyco/opencode/github@latest
-        env:
-          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
-          GITHUB_TOKEN: ${{ steps.token.outputs.token }}
-        with:
-          model: opencode/deepseek-v4-flash-free
-          use_github_token: true
-          prompt: |
-            ${{ secrets.PR_REVIEW_PROMPT }}
-            ${{ secrets.OPENCODE_PROMPT }}
\ No newline at end of file
diff --git a/scripts/opencode-automation.mjs b/scripts/opencode-automation.mjs
new file mode 100644
index 0000000..654dc25
--- /dev/null
+++ b/scripts/opencode-automation.mjs
@@ -0,0 +1,204 @@
+#!/usr/bin/env node
+
+import { spawnSync } from 'node:child_process'
+import { readFileSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+
+const eventName = process.env.GITHUB_EVENT_NAME
+const eventPath = process.env.GITHUB_EVENT_PATH
+const token = process.env.GITHUB_TOKEN
+const repo = process.env.GITHUB_REPOSITORY
+const model = process.env.MODEL || 'opencode/deepseek-v4-flash-free'
+const botLogin = process.env.BOT_LOGIN || 'takanashi-hoshino-agent[bot]'
+
+if (!eventPath || !token || !repo) {
+  console.error(
+    'Missing required env: GITHUB_EVENT_PATH / GITHUB_TOKEN / GITHUB_REPOSITORY',
+  )
+  process.exit(1)
+}
+if (!process.env.OPENCODE_API_KEY) {
+  console.error('Missing OPENCODE_API_KEY')
+  process.exit(1)
+}
+
+const event = JSON.parse(readFileSync(eventPath, 'utf8'))
+const [owner, repoName] = repo.split('/')
+const api = `https://api.github.com/repos/${owner}/${repoName}`
+const headers = {
+  Authorization: `Bearer ${token}`,
+  Accept: 'application/vnd.github+json',
+  'X-GitHub-Api-Version': '2022-11-28',
+  'User-Agent': 'opencode-automation',
+}
+
+async function get(path) {
+  const res = await fetch(`${api}${path}`, { headers })
+  if (!res.ok) throw new Error(`GET ${path}: HTTP ${res.status}`)
+  return res.json()
+}
+
+async function post(path, body) {
+  const res = await fetch(`${api}${path}`, {
+    method: 'POST',
+    headers,
+    body: JSON.stringify(body),
+  })
+  const text = await res.text()
+  if (!res.ok) throw new Error(`POST ${path}: HTTP ${res.status} ${text}`)
+  return text ? JSON.parse(text) : null
+}
+
+/** 无头模式跑 opencode，返回模型输出的文本 */
+function runOpencode(prompt, contextFile) {
+  const args = ['run', '--auto', '-m', model, '--format', 'default', prompt]
+  if (contextFile) args.push('-f', contextFile)
+  console.log(
+    `Running: opencode run --auto -m ${model} (prompt ${prompt.length} chars${contextFile ? ', context attached' : ''})`,
+  )
+  const res = spawnSync('opencode', args, {
+    encoding: 'utf8',
+    maxBuffer: 128 * 1024 * 1024,
+  })
+  if (res.error) throw res.error
+  if (res.status !== 0) {
+    if (res.stderr) console.error('opencode stderr:\n' + res.stderr)
+    throw new Error(`opencode exited with code ${res.status}`)
+  }
+  return (res.stdout || '').trim()
+}
+
+/** 该 issue/PR 是否已有 bot 评论（用于去重，避免 synchronize 重复评论） */
+async function hasBotComment(target) {
+  const comments = await get(`/issues/${target}/comments?per_page=100`)
+  return comments.some((c) => c.user?.login === botLogin)
+}
+
+async function comment(target, body) {
+  if (!body) {
+    console.log('No output from agent, skip comment')
+    return
+  }
+  if (body.length > 60000) body = body.slice(0, 60000) + '\n\n_...(truncated)_'
+  await post(`/issues/${target}/comments`, { body })
+  console.log(`Commented on #${target}`)
+}
+
+async function handleIssue(issue) {
+  const n = issue.number
+  console.log(`Handling issue #${n}`)
+  if (await hasBotComment(n)) {
+    console.log(`Already handled by bot, skip`)
+    return
+  }
+
+  const comments = await get(`/issues/${n}/comments?per_page=100`)
+  const thread = comments
+    .filter((c) => c.user?.login !== botLogin)
+    .map(
+      (c) =>
+        `- **${c.user?.login}** (${c.created_at}):\n  ${(c.body || '').replace(/\n/g, '\n  ')}`,
+    )
+    .join('\n')
+
+  const ctx = [
+    `# Issue #${n}: ${issue.title}`,
+    ``,
+    `- State: ${issue.state}`,
+    `- Author: ${issue.user?.login}`,
+    `- Created: ${issue.created_at}`,
+    ``,
+    `## Body`,
+    ``,
+    issue.body || '(empty)',
+    ...(thread ? [`\n## Comments\n\n${thread}`] : []),
+  ].join('\n')
+
+  const ctxFile = join(tmpdir(), 'opencode-issue-context.md')
+  writeFileSync(ctxFile, ctx)
+
+  const prompt =
+    process.env.ISSUE_PROMPT ||
+    [
+      `You are a maintainer bot for the ${repo} repository.`,
+      `Read the attached file for the issue context.`,
+      `If the issue has a clear fix or points to relevant docs, reply with documentation links and/or`,
+      `error-handling guidance for code examples. If nothing actionable, reply with exactly "NO_ACTION".`,
+      `Do NOT modify any files, do NOT commit, do NOT push. Output only the comment text.`,
+    ].join('\n')
+
+  const output = runOpencode(prompt, ctxFile)
+  if (output === 'NO_ACTION' || output.startsWith('NO_ACTION')) {
+    console.log('Agent decided no action needed')
+    return
+  }
+  await comment(n, output)
+}
+
+async function handlePullRequest(pr) {
+  const n = pr.number
+  console.log(`Handling PR #${n}`)
+  if (await hasBotComment(n)) {
+    console.log(`Already handled by bot, skip`)
+    return
+  }
+
+  let files = []
+  try {
+    files = await get(`/pulls/${n}/files?per_page=100`)
+  } catch (e) {
+    console.warn(`Failed to fetch changed files: ${e.message}`)
+  }
+  const fileList = files
+    .map((f) => `- ${f.status} ${f.filename} (+${f.additions}/-${f.deletions})`)
+    .join('\n')
+
+  const ctx = [
+    `# PR #${n}: ${pr.title}`,
+    ``,
+    `- State: ${pr.state}`,
+    `- Author: ${pr.user?.login}`,
+    `- Base: ${pr.base?.ref} <- Head: ${pr.head?.ref}`,
+    `- Created: ${pr.created_at}`,
+    `- Stats: +${pr.additions}/-${pr.deletions}, ${pr.changed_files} files`,
+    ``,
+    `## Body`,
+    ``,
+    pr.body || '(empty)',
+    ...(fileList ? [`\n## Changed files\n\n${fileList}`] : []),
+  ].join('\n')
+
+  const ctxFile = join(tmpdir(), 'opencode-pr-context.md')
+  writeFileSync(ctxFile, ctx)
+
+  const prompt =
+    process.env.PR_PROMPT ||
+    [
+      `You are a maintainer bot for the ${repo} repository.`,
+      `Read the attached file for the PR context. The PR branch is already checked out.`,
+      `Run \`git diff HEAD^1 HEAD\` (or \`git diff origin/${pr.base?.ref}...HEAD\`) to see the changes.`,
+      `Review the code changes: point out bugs, risks and improvements, and suggest fixes for obvious issues.`,
+      `If the PR looks good, say so concisely.`,
+      `Do NOT modify any files, do NOT commit, do NOT push. Output only the review comment text.`,
+    ].join('\n')
+
+  const output = runOpencode(prompt, ctxFile)
+  await comment(n, output)
+}
+
+async function main() {
+  console.log(`Event: ${eventName} on ${repo}`)
+  if (eventName === 'issues') {
+    await handleIssue(event.issue)
+  } else if (eventName === 'pull_request') {
+    await handlePullRequest(event.pull_request)
+  } else {
+    console.log(`Unhandled event type: ${eventName}`)
+  }
+}
+
+main().catch((e) => {
+  console.error(`Automation failed: ${e.message}`)
+  process.exit(1)
+})