diff --git a/.github/workflows/opencode.yml b/.github/workflows/opencode.yml
index 3b20e7b..c682552 100644
--- a/.github/workflows/opencode.yml
+++ b/.github/workflows/opencode.yml
@@ -5,8 +5,6 @@ on:
     types: [created]
   pull_request_review_comment:
     types: [created]
-  pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
   issues:
     types: [opened]
 
diff --git a/.github/workflows/pr-reviewer.yml b/.github/workflows/pr-reviewer.yml
new file mode 100644
index 0000000..187ea33
--- /dev/null
+++ b/.github/workflows/pr-reviewer.yml
@@ -0,0 +1,46 @@
+name: opencode-review
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+permissions:
+  contents: read
+
+jobs:
+  review:
+    # 跳过 fork 来的 PR：GitHub 不会把 secrets 传给 fork PR 触发的工作流，
+    # 跑了也必然失败，所以直接跳过避免噪音（平台限制，非配置问题）。
+    if: github.event.pull_request.head.repo.fork == false
+    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:
+          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 review
+        uses: anomalyco/opencode/github@latest
+        env:
+          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
+          # 用自定义 GitHub App 生成的 bot token，跟原 opencode.yml 一致，
+          # 评论 PR / 提交都走 takanashi-hoshino-agent[bot] 的身份。
+          GITHUB_TOKEN: ${{ steps.token.outputs.token }}
+        with:
+          model: opencode/deepseek-v4-flash-free
+          use_github_token: true
+          prompt: ${{ secrets.OPENCODE_PROMPT }}