Aaron Brown

## Problem Statement When tool outputs exceed the model's context capacity, the SDK's current handling in `SlidingWindowConversationManager` replaces the entire result with a generic message: ```python tool_result_too_large_message = "The tool...

## Problem Statement The `Model` abstract class does not expose the model's context window limit. Applications must hard-code context limits or maintain separate model-to-limit mappings. The SDK handles `ContextWindowOverflowException` reactively...

## Problem Statement The SDK only reports token usage after model calls complete via `accumulated_usage` in `EventLoopMetrics`. There is no way to estimate token counts before sending messages to the...