Enhance GitHub Actions workflow for syncing downloads to PostHog

Added debugging information to check environment variables and set a default value for POSTHOG_HOST if not provided. Improved error handling by logging the response body on failure.

Author: decker502

.github/workflows/sync-github-downloads.yml

@@ -16,6 +16,16 @@ jobs:
           POSTHOG_HOST: ${{ secrets.POSTHOG_HOST }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
+          # 调试：检查环境变量（不显示完整 key）
+          echo "POSTHOG_HOST: ${POSTHOG_HOST}"
+          echo "POSTHOG_API_KEY length: ${#POSTHOG_API_KEY}"
+          echo "POSTHOG_API_KEY prefix: ${POSTHOG_API_KEY:0:5}..."
+          
+          # 如果 POSTHOG_HOST 没有设置，使用默认值
+          if [ -z "$POSTHOG_HOST" ]; then
+            POSTHOG_HOST="https://us.i.posthog.com"
+            echo "Using default POSTHOG_HOST: ${POSTHOG_HOST}"
+          fi
           # 获取所有 releases
           releases=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" \
             "https://api.github.com/repos/mantra-hq/mantra-releases/releases?per_page=100")
@@ -78,11 +88,13 @@ jobs:
                 }")
               
               http_code=$(echo "$response" | tail -1)
+              response_body=$(echo "$response" | head -n -1)
               
               if [ "$http_code" = "200" ]; then
                 echo "  ✓ ${asset_name}: ${download_count} downloads (${platform}/${arch})"
               else
                 echo "  ✗ Failed: ${asset_name} (HTTP ${http_code})"
+                echo "    Response: ${response_body}"
               fi
             done
           done