Pass fallback GitHub token directly

Author: brovatten

.github/workflows/codeboarding.yml

@@ -61,20 +61,12 @@ jobs:
         with:
           app-id: ${{ vars.CODEBOARDING_APP_ID }}
           private-key: ${{ secrets.CODEBOARDING_APP_PRIVATE_KEY }}
-      - name: Select CodeBoarding comment token
-        id: codeboarding-comment-token
+      - name: Warn when CodeBoarding App token is unavailable
+        if: steps.codeboarding-app-token-client.outputs.token == '' && steps.codeboarding-app-token-app.outputs.token == ''
         shell: bash
-        env:
-          APP_TOKEN: ${{ steps.codeboarding-app-token-client.outputs.token || steps.codeboarding-app-token-app.outputs.token }}
         run: |
-          if [ -n "$APP_TOKEN" ]; then
-            echo "token=$APP_TOKEN" >> "$GITHUB_OUTPUT"
-            echo "Using CodeBoarding GitHub App token for PR comments."
-          else
-            echo "token=${{ github.token }}" >> "$GITHUB_OUTPUT"
-            echo "::warning::CodeBoarding GitHub App token is unavailable; falling back to github-actions[bot]. Check CODEBOARDING_APP_PRIVATE_KEY formatting if app credentials are configured."
-          fi
+          echo "::warning::CodeBoarding GitHub App token is unavailable; falling back to github-actions[bot]. Check CODEBOARDING_APP_PRIVATE_KEY formatting if app credentials are configured."
       - uses: ./
         with:
-          github_token: ${{ steps.codeboarding-comment-token.outputs.token }}
+          github_token: ${{ steps.codeboarding-app-token-client.outputs.token || steps.codeboarding-app-token-app.outputs.token || github.token }}
           llm_api_key: ${{ secrets.OPENROUTER_API_KEY }}