chore(api): sync prompts.csv from API and update message translations

.github/workflows/update-contributors.yml

@@ -34,6 +34,26 @@ jobs:
           chmod +x scripts/generate-contributors.sh
           ./scripts/generate-contributors.sh
 
+      - name: Sync prompts.csv from API (removes unlisted prompts)
+        env:
+          PROMPTS_API_URL: "https://prompts.chat"
+        run: |
+          if [ -n "$PROMPTS_API_URL" ]; then
+            echo "Fetching prompts.csv from API..."
+            curl -s "${PROMPTS_API_URL}/prompts.csv" -o prompts.csv.new
+            if [ -s prompts.csv.new ]; then
+              mv prompts.csv.new prompts.csv
+              git add prompts.csv
+              git diff --cached --quiet || git commit -m "Update prompts.csv (sync from API)"
+              echo "prompts.csv updated from API"
+            else
+              echo "Warning: Empty response from API, keeping existing prompts.csv"
+              rm -f prompts.csv.new
+            fi
+          else
+            echo "PROMPTS_API_URL not set, skipping prompts.csv sync"
+          fi
+
       - name: Push changes
         run: |
           git push origin main --force-with-lease