Harden generate script fetches

Author: HavenDV

src/libs/Ideogram/generate.sh

@@ -1,11 +1,22 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# OpenAPI spec: https://api.ideogram.ai/openapi.json
+install_autosdk_cli() {
+  dotnet tool update --global autosdk.cli --prerelease >/dev/null 2>&1 || \
+    dotnet tool install --global autosdk.cli --prerelease
+}
+
+fetch_spec() {
+  curl "$@" \
+    --fail --silent --show-error --location \
+    --retry 5 --retry-delay 10 --retry-all-errors \
+    --connect-timeout 30 --max-time 300
+}
 
-dotnet tool install --global autosdk.cli --prerelease
+# OpenAPI spec: https://api.ideogram.ai/openapi.json
+install_autosdk_cli
 rm -rf Generated
-curl --fail --silent --show-error -L https://api.ideogram.ai/openapi.json | jq . > openapi.json
+fetch_spec --fail --silent --show-error -L https://api.ideogram.ai/openapi.json | jq . > openapi.json
 autosdk generate openapi.json \
   --namespace Ideogram \
   --clientClassName IdeogramClient \