internal: use pat for claude review (#6025)

* use pat

* check emoji when pr closed

.github/workflows/discord-notification.yml

@@ -24,7 +24,7 @@ jobs:
       DISCORD_BOT_TOKEN: ${{ secrets.DISCORD_AI_BOT_TOKEN }}
 
   merge_success_emoji:
-    if: github.event.pull_request.merged == true
+    if: github.event.action == 'closed'
     uses: ./.github/workflows/shareable-discord-notification.yml
     with:
       PR_STATUS: "merged"

.github/workflows/pr-ready-review.yml

@@ -9,17 +9,10 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubicloud-standard-2
     steps:
-      - name: Generate an installation token
-        id: app
-        uses: actions/create-github-app-token@v2
-        with:
-          app-id: ${{ vars.INTERNAL_APP_ID }}
-          private-key: ${{ secrets.INTERNAL_APP_KEY }}
-
       - name: Add review comment
         uses: actions/github-script@v7
         with:
-          github-token: ${{ steps.app.outputs.token }}
+          github-token: ${{ secrets.PUBLIC_REPO_TOKEN }}
           script: |
             await github.rest.issues.createComment({
               owner: context.repo.owner,