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* Avoid bun memory leak bug from TransformStream * fix(executor): skip content persistence when stream consumer exits early Previously, if the onStream consumer caught an internal error without re-throwing, the block-executor would treat the shortened accumulator as the complete response, persist a truncated string to memory via appendToMemory, and set it as executionOutput.content. Track whether the source ReadableStream actually closed (done=true) in the pull handler. If onStream returns before the source drains, skip content persistence and log a warning — the old tee()-based flow was immune to this because the executor branch drained independently of the client branch. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix lint * fix(executor): early-return when no streamed content to make onFullContent symmetric Previously, executionOutput.content was guarded by `if (fullContent)` but `onFullContent` fired regardless. The agent-handler implementor defensively bails on empty/whitespace content, but that's a callee contract, not enforced at the call site — future implementors could spuriously persist empty assistant turns to memory. Hoist the `!fullContent` check to a single early return, so both the output write and the callback share the same precondition. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>