Persist cancelled runs across agents, teams, and workflows

Pick up output files from the RunCompleted event

The RunCompleted event now carries a files field, so anything listening for run completion can grab the files a run produced directly off the event instead of fetching them separately.

Reference Gemini Interactions by model string

The model string parser now recognizes the google-interactions provider, so you can select GeminiInteractions through a model string rather than importing and constructing the class yourself.

Refresh DeepSeek V4 thinking mode and defaults

Updated DeepSeek V4's thinking mode and default settings so agents on DeepSeek run against current, sensible defaults out of the box.