fix: preserve synced openapi.json in generate.sh

The generate script was downloading openapi.json from production,

overwriting the file synced from the server repo.

Now it only downloads if the file doesn't exist (for manual generation).

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: esteininger

generate.sh

@@ -12,9 +12,14 @@ if ! command -v openapi-generator-cli &> /dev/null; then
     npm install -g @openapitools/openapi-generator-cli
 fi
 
-# Download the latest OpenAPI spec
-echo "📥 Downloading OpenAPI specification..."
-curl -s https://server-xb24.onrender.com/docs/openapi.json -o openapi.json
+# Use existing openapi.json (synced from server repo)
+# Or download if it doesn't exist (for manual generation)
+if [ ! -f "openapi.json" ]; then
+    echo "📥 Downloading OpenAPI specification from production..."
+    curl -s https://server-xb24.onrender.com/docs/openapi.json -o openapi.json
+else
+    echo "✅ Using existing openapi.json file"
+fi
 
 # Clean the OpenAPI spec (remove anyOf with null types and simplify operation IDs)
 echo "🧼 Cleaning OpenAPI specification..."