Adds Azure OpenAI and Dell Pro AI Studio provider cases to the LangChain chat model switch statement used during content summarization fallback, fixing a crash when agents with those providers try to summarize content exceeding the context window.
Adds missing azure and dpais provider routing in the summarization fallback path so agents using Azure OpenAI or Dell Pro AI Studio can complete long-document summarization instead of crashing.
Users whose agents are configured with Azure OpenAI or Dell Pro AI Studio can now summarize web pages and documents that exceed the context window without the agent throwing an unsupported-provider error and stopping. This eliminates a silent workflow break that forced those users to avoid the summarization fallback entirely. Teams should verify that the ChatOpenAI base-URL formatting for each provider produces correct responses in real deployments, since the contributor could not test with live credentials.